[jbosscache-commits] JBoss Cache SVN: r6460 - in core/trunk/src: main/java/org/jboss/cache/commands/legacy and 12 other directories.

Author: manik.surtani(a)jboss.com Date: 2008-07-31 07:07:45 -0400 (Thu, 31 Jul 2008) New Revision: 6460 Removed: core/trunk/src/main/java/org/jboss/cache/registry/ Modified: core/trunk/src/main/java/org/jboss/cache/DataContainerImpl.java core/trunk/src/main/java/org/jboss/cache/LegacyRegionManagerImpl.java core/trunk/src/main/java/org/jboss/cache/NodeSPI.java core/trunk/src/main/java/org/jboss/cache/PessimisticNodeFactory.java core/trunk/src/main/java/org/jboss/cache/PessimisticUnversionedNode.java core/trunk/src/main/java/org/jboss/cache/VersionedNode.java core/trunk/src/main/java/org/jboss/cache/commands/legacy/ReversibleCommand.java core/trunk/src/main/java/org/jboss/cache/commands/legacy/read/LegacyGravitateDataCommand.java core/trunk/src/main/java/org/jboss/cache/commands/legacy/read/PessGetChildrenNamesCommand.java core/trunk/src/main/java/org/jboss/cache/commands/legacy/write/LegacyEvictCommand.java core/trunk/src/main/java/org/jboss/cache/commands/legacy/write/PessClearDataCommand.java core/trunk/src/main/java/org/jboss/cache/commands/legacy/write/PessCreateNodeCommand.java core/trunk/src/main/java/org/jboss/cache/commands/legacy/write/PessMoveCommand.java core/trunk/src/main/java/org/jboss/cache/commands/legacy/write/PessPutDataMapCommand.java core/trunk/src/main/java/org/jboss/cache/commands/legacy/write/PessPutForExternalReadCommand.java core/trunk/src/main/java/org/jboss/cache/commands/legacy/write/PessPutKeyValueCommand.java core/trunk/src/main/java/org/jboss/cache/commands/legacy/write/PessRemoveKeyCommand.java core/trunk/src/main/java/org/jboss/cache/commands/legacy/write/PessRemoveNodeCommand.java core/trunk/src/main/java/org/jboss/cache/commands/legacy/write/VersionedInvalidateCommand.java core/trunk/src/main/java/org/jboss/cache/commands/read/GetChildrenNamesCommand.java core/trunk/src/main/java/org/jboss/cache/commands/write/MoveCommand.java core/trunk/src/main/java/org/jboss/cache/interceptors/LegacyActivationInterceptor.java core/trunk/src/main/java/org/jboss/cache/interceptors/LegacyCacheLoaderInterceptor.java core/trunk/src/main/java/org/jboss/cache/interceptors/LegacyPassivationInterceptor.java core/trunk/src/main/java/org/jboss/cache/interceptors/MVCCLockingInterceptor.java core/trunk/src/main/java/org/jboss/cache/interceptors/OptimisticCreateIfNotExistsInterceptor.java core/trunk/src/main/java/org/jboss/cache/interceptors/OptimisticInterceptor.java core/trunk/src/main/java/org/jboss/cache/interceptors/OptimisticLockingInterceptor.java core/trunk/src/main/java/org/jboss/cache/interceptors/OptimisticNodeInterceptor.java core/trunk/src/main/java/org/jboss/cache/interceptors/OptimisticReplicationInterceptor.java core/trunk/src/main/java/org/jboss/cache/interceptors/OptimisticTxInterceptor.java core/trunk/src/main/java/org/jboss/cache/interceptors/OptimisticValidatorInterceptor.java core/trunk/src/main/java/org/jboss/cache/interceptors/PessimisticLockInterceptor.java core/trunk/src/main/java/org/jboss/cache/invocation/LegacyInvocationContext.java core/trunk/src/main/java/org/jboss/cache/invocation/NodeInvocationDelegate.java core/trunk/src/main/java/org/jboss/cache/lock/MVCCLockManager.java core/trunk/src/main/java/org/jboss/cache/mvcc/MVCCNodeFactory.java core/trunk/src/main/java/org/jboss/cache/mvcc/MVCCNodeHelper.java core/trunk/src/main/java/org/jboss/cache/mvcc/NullMarkerNode.java core/trunk/src/main/java/org/jboss/cache/mvcc/ReadCommittedNode.java core/trunk/src/main/java/org/jboss/cache/mvcc/RepeatableReadNode.java core/trunk/src/main/java/org/jboss/cache/optimistic/OptimisticNodeFactory.java core/trunk/src/main/java/org/jboss/cache/optimistic/TransactionWorkspace.java core/trunk/src/main/java/org/jboss/cache/optimistic/TransactionWorkspaceImpl.java core/trunk/src/main/java/org/jboss/cache/optimistic/WorkspaceNode.java core/trunk/src/main/java/org/jboss/cache/optimistic/WorkspaceNodeImpl.java core/trunk/src/main/java/org/jboss/cache/transaction/OptimisticTransactionContext.java core/trunk/src/main/java/org/jboss/cache/transaction/PessimisticTransactionContext.java core/trunk/src/main/java/org/jboss/cache/util/concurrent/SelfInitializingConcurrentHashMap.java core/trunk/src/test/java/org/jboss/cache/mock/NodeSpiMock.java Log: - Refactored and optimised MVCC codebase - added deprecation to deprecated classes and components Modified: core/trunk/src/main/java/org/jboss/cache/DataContainerImpl.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/DataContainerImpl.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/DataContainerImpl.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -643,7 +643,7 @@ NodeSPI childNode; Map children = n.getChildrenMapDirect(); - childNode = children == null ? null : (NodeSPI) children.get(childName); + childNode = (NodeSPI) children.get(childName); if (childNode == null) { Modified: core/trunk/src/main/java/org/jboss/cache/LegacyRegionManagerImpl.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/LegacyRegionManagerImpl.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/LegacyRegionManagerImpl.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -12,8 +12,10 @@ * * @author <a href="mailto:manik@jboss.org">Manik Surtani</a> * @since 2.0.0 + * @deprecated will be removed along with optimistic and pessimistic locking. */ @ThreadSafe +@Deprecated public class LegacyRegionManagerImpl extends RegionManagerImpl { /** Modified: core/trunk/src/main/java/org/jboss/cache/NodeSPI.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/NodeSPI.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/NodeSPI.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -509,23 +509,20 @@ * <p/> * Only used with MVCC. * - * @param ctx invocation context * @param container data container - * @param nodeFactory node factory for creating new nodes/copies. * @param writeSkewCheck if true, and the node supports write skew checking, nodes are tested for write skews. */ - void markForUpdate(InvocationContext ctx, DataContainer container, NodeFactory nodeFactory, boolean writeSkewCheck); + void markForUpdate(DataContainer container, boolean writeSkewCheck); /** * Commits any updates made on this node to the underlying data structure, making it visible to all other transactions. * <p/> * Only used with MVCC. * - * @param ctx invocation context - * @param container data container - * @param nodeFactory node factory + * @param ctx invocation context + * @param container data container */ - void commitUpdate(InvocationContext ctx, DataContainer container, NodeFactory nodeFactory); + void commitUpdate(InvocationContext ctx, DataContainer container); /** * Only used with MVCC. Modified: core/trunk/src/main/java/org/jboss/cache/PessimisticNodeFactory.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/PessimisticNodeFactory.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/PessimisticNodeFactory.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -10,7 +10,9 @@ * * @author Manik Surtani (<a href="mailto:manik@jboss.org">manik@jboss.org</a>) * @since 3.0 + * @deprecated will be removed along with optimistic and pessimistic locking. */ +@Deprecated public class PessimisticNodeFactory<K, V> extends AbstractNodeFactory<K, V> { private LockStrategyFactory lockStrategyFactory; Modified: core/trunk/src/main/java/org/jboss/cache/PessimisticUnversionedNode.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/PessimisticUnversionedNode.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/PessimisticUnversionedNode.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -21,8 +21,10 @@ * * @author Manik Surtani (<a href="mailto:manik@jboss.org">manik@jboss.org</a>) * @since 3.0 + * @deprecated will be removed along with optimistic and pessimistic locking. */ @SuppressWarnings("deprecation") +@Deprecated public class PessimisticUnversionedNode<K, V> extends UnversionedNode<K, V> { /** Modified: core/trunk/src/main/java/org/jboss/cache/VersionedNode.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/VersionedNode.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/VersionedNode.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -23,7 +23,9 @@ * * @author <a href="mailto:manik@jboss.org">Manik Surtani (manik(a)jboss.org)&lt;/a&gt; * @since 2.0.0 + * @deprecated will be removed along with optimistic and pessimistic locking. */ +@Deprecated public class VersionedNode<K, V> extends PessimisticUnversionedNode<K, V> { private static final String DATA_VERSION_INTERNAL_KEY = "_JBOSS_INTERNAL_OPTIMISTIC_DATA_VERSION"; Modified: core/trunk/src/main/java/org/jboss/cache/commands/legacy/ReversibleCommand.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/commands/legacy/ReversibleCommand.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/commands/legacy/ReversibleCommand.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -7,7 +7,9 @@ * * @author Manik Surtani (<a href="mailto:manik@jboss.org">manik@jboss.org</a>) * @since 3.0 + * @deprecated will be removed along with optimistic and pessimistic locking. */ +@Deprecated public interface ReversibleCommand extends WriteCommand { /** Modified: core/trunk/src/main/java/org/jboss/cache/commands/legacy/read/LegacyGravitateDataCommand.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/commands/legacy/read/LegacyGravitateDataCommand.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/commands/legacy/read/LegacyGravitateDataCommand.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -13,7 +13,9 @@ * * @author Manik Surtani (<a href="mailto:manik@jboss.org">manik@jboss.org</a>) * @since 3.0 + * @deprecated will be removed along with optimistic and pessimistic locking. */ +@Deprecated public class LegacyGravitateDataCommand extends GravitateDataCommand { public LegacyGravitateDataCommand(Fqn fqn, boolean searchSubtrees, Address localAddress) Modified: core/trunk/src/main/java/org/jboss/cache/commands/legacy/read/PessGetChildrenNamesCommand.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/commands/legacy/read/PessGetChildrenNamesCommand.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/commands/legacy/read/PessGetChildrenNamesCommand.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -12,6 +12,10 @@ import java.util.Map; import java.util.Set; +/** + * @deprecated will be removed along with optimistic and pessimistic locking. + */ +@Deprecated public class PessGetChildrenNamesCommand extends GetChildrenNamesCommand { public PessGetChildrenNamesCommand() @@ -36,7 +40,7 @@ NodeSPI<?, ?> n = fqn == null ? null : ctx.lookUpNode(fqn); if (n == null || n.isDeleted()) return null; Map<Object, ? extends Node<?, ?>> childrenMap = n.getChildrenMapDirect(); - Collection<NodeSPI<?, ?>> children = (Collection<NodeSPI<?, ?>>) ((childrenMap == null || childrenMap.isEmpty()) ? Collections.emptySet() : childrenMap.values()); + Collection<NodeSPI<?, ?>> children = (Collection<NodeSPI<?, ?>>) (childrenMap.isEmpty() ? Collections.emptySet() : childrenMap.values()); return getCorrectedChildNames(children, ctx); } Modified: core/trunk/src/main/java/org/jboss/cache/commands/legacy/write/LegacyEvictCommand.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/commands/legacy/write/LegacyEvictCommand.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/commands/legacy/write/LegacyEvictCommand.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -12,7 +12,9 @@ * * @author Manik Surtani (<a href="mailto:manik@jboss.org">manik@jboss.org</a>) * @since 3.0 + * @deprecated will be removed along with optimistic and pessimistic locking. */ +@Deprecated public class LegacyEvictCommand extends EvictCommand { public LegacyEvictCommand(Fqn fqn) Modified: core/trunk/src/main/java/org/jboss/cache/commands/legacy/write/PessClearDataCommand.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/commands/legacy/write/PessClearDataCommand.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/commands/legacy/write/PessClearDataCommand.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -15,7 +15,9 @@ * * @author Manik Surtani (<a href="mailto:manik@jboss.org">manik@jboss.org</a>) * @since 3.0 + * @deprecated will be removed along with optimistic and pessimistic locking. */ +@Deprecated public class PessClearDataCommand extends ClearDataCommand implements ReversibleCommand { private HashMap originalData; Modified: core/trunk/src/main/java/org/jboss/cache/commands/legacy/write/PessCreateNodeCommand.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/commands/legacy/write/PessCreateNodeCommand.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/commands/legacy/write/PessCreateNodeCommand.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -12,7 +12,9 @@ * * @author Manik Surtani (<a href="mailto:manik@jboss.org">manik@jboss.org</a>) * @since 3.0 + * @deprecated will be removed along with optimistic and pessimistic locking. */ +@Deprecated public class PessCreateNodeCommand extends CreateNodeCommand implements ReversibleCommand { public PessCreateNodeCommand(Fqn fqn) Modified: core/trunk/src/main/java/org/jboss/cache/commands/legacy/write/PessMoveCommand.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/commands/legacy/write/PessMoveCommand.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/commands/legacy/write/PessMoveCommand.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -13,7 +13,9 @@ * * @author Manik Surtani (<a href="mailto:manik@jboss.org">manik@jboss.org</a>) * @since 3.0 + * @deprecated will be removed along with optimistic and pessimistic locking. */ +@Deprecated public class PessMoveCommand extends MoveCommand implements ReversibleCommand { public PessMoveCommand() Modified: core/trunk/src/main/java/org/jboss/cache/commands/legacy/write/PessPutDataMapCommand.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/commands/legacy/write/PessPutDataMapCommand.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/commands/legacy/write/PessPutDataMapCommand.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -16,7 +16,9 @@ * * @author Manik Surtani (<a href="mailto:manik@jboss.org">manik@jboss.org</a>) * @since 3.0 + * @deprecated will be removed along with optimistic and pessimistic locking. */ +@Deprecated public class PessPutDataMapCommand extends PutDataMapCommand implements ReversibleCommand { Map oldData; Modified: core/trunk/src/main/java/org/jboss/cache/commands/legacy/write/PessPutForExternalReadCommand.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/commands/legacy/write/PessPutForExternalReadCommand.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/commands/legacy/write/PessPutForExternalReadCommand.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -14,7 +14,9 @@ * * @author Manik Surtani (<a href="mailto:manik@jboss.org">manik@jboss.org</a>) * @since 3.0 + * @deprecated will be removed along with optimistic and pessimistic locking. */ +@Deprecated public class PessPutForExternalReadCommand extends PutForExternalReadCommand implements ReversibleCommand { protected Object oldValue; Modified: core/trunk/src/main/java/org/jboss/cache/commands/legacy/write/PessPutKeyValueCommand.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/commands/legacy/write/PessPutKeyValueCommand.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/commands/legacy/write/PessPutKeyValueCommand.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -14,7 +14,9 @@ * * @author Manik Surtani (<a href="mailto:manik@jboss.org">manik@jboss.org</a>) * @since 3.0 + * @deprecated will be removed along with optimistic and pessimistic locking. */ +@Deprecated public class PessPutKeyValueCommand extends PutKeyValueCommand implements ReversibleCommand { protected Object oldValue; Modified: core/trunk/src/main/java/org/jboss/cache/commands/legacy/write/PessRemoveKeyCommand.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/commands/legacy/write/PessRemoveKeyCommand.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/commands/legacy/write/PessRemoveKeyCommand.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -13,7 +13,9 @@ * * @author Manik Surtani (<a href="mailto:manik@jboss.org">manik@jboss.org</a>) * @since 3.0 + * @deprecated will be removed along with optimistic and pessimistic locking. */ +@Deprecated public class PessRemoveKeyCommand extends RemoveKeyCommand implements ReversibleCommand { /* internally used for rollback */ Modified: core/trunk/src/main/java/org/jboss/cache/commands/legacy/write/PessRemoveNodeCommand.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/commands/legacy/write/PessRemoveNodeCommand.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/commands/legacy/write/PessRemoveNodeCommand.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -16,7 +16,9 @@ * * @author Manik Surtani (<a href="mailto:manik@jboss.org">manik@jboss.org</a>) * @since 3.0 + * @deprecated will be removed along with optimistic and pessimistic locking. */ +@Deprecated public class PessRemoveNodeCommand extends RemoveNodeCommand implements ReversibleCommand { protected Map originalData; Modified: core/trunk/src/main/java/org/jboss/cache/commands/legacy/write/VersionedInvalidateCommand.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/commands/legacy/write/VersionedInvalidateCommand.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/commands/legacy/write/VersionedInvalidateCommand.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -27,7 +27,9 @@ * * @author Mircea.Markus(a)jboss.com * @since 2.2 + * @deprecated will be removed along with optimistic and pessimistic locking. */ +@Deprecated public class VersionedInvalidateCommand extends InvalidateCommand implements VersionedDataCommand { private static final Log log = LogFactory.getLog(VersionedInvalidateCommand.class); Modified: core/trunk/src/main/java/org/jboss/cache/commands/read/GetChildrenNamesCommand.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/commands/read/GetChildrenNamesCommand.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/commands/read/GetChildrenNamesCommand.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -51,7 +51,7 @@ ReadCommittedNode n = (ReadCommittedNode) (fqn == null ? null : ctx.lookUpNode(fqn)); if (n == null || n.isDeleted()) return null; Map<Object, InternalNode<?, ?>> childrenMap = n.getDelegationTarget().getChildrenMap(); - Collection<InternalNode> children = (Collection<InternalNode>) ((childrenMap == null || childrenMap.isEmpty()) ? Collections.emptySet() : childrenMap.values()); + Collection<InternalNode> children = (Collection<InternalNode>) (childrenMap.isEmpty() ? Collections.emptySet() : childrenMap.values()); return getCorrectedChildNames(children, ctx); } Modified: core/trunk/src/main/java/org/jboss/cache/commands/write/MoveCommand.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/commands/write/MoveCommand.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/commands/write/MoveCommand.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -96,12 +96,13 @@ return null; } + @SuppressWarnings("unchecked") private void moveRecursively(NodeSPI oldNode, NodeSPI newNode, InvocationContext ctx) { if (trace) log.trace("Moving " + oldNode.getFqn() + " to " + newNode.getFqn()); // start deep. Map<Object, InternalNode> children = oldNode.getDelegationTarget().getChildrenMap(); - if (children != null && !children.isEmpty()) + if (!children.isEmpty()) { for (InternalNode child : children.values()) { Modified: core/trunk/src/main/java/org/jboss/cache/interceptors/LegacyActivationInterceptor.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/interceptors/LegacyActivationInterceptor.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/interceptors/LegacyActivationInterceptor.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -39,7 +39,9 @@ * * @author <a href="mailto:{hmesha@novell.com}">{Hany Mesha}</a> * @version $Id$ + * @deprecated will be removed along with optimistic and pessimistic locking. */ +@Deprecated public class LegacyActivationInterceptor extends LegacyCacheLoaderInterceptor implements ActivationInterceptorMBean { Modified: core/trunk/src/main/java/org/jboss/cache/interceptors/LegacyCacheLoaderInterceptor.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/interceptors/LegacyCacheLoaderInterceptor.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/interceptors/LegacyCacheLoaderInterceptor.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -46,7 +46,9 @@ * * @author Bela Ban * @version $Id$ + * @deprecated will be removed along with optimistic and pessimistic locking. */ +@Deprecated public class LegacyCacheLoaderInterceptor extends CommandInterceptor implements CacheLoaderInterceptorMBean { private long cacheLoads = 0; Modified: core/trunk/src/main/java/org/jboss/cache/interceptors/LegacyPassivationInterceptor.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/interceptors/LegacyPassivationInterceptor.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/interceptors/LegacyPassivationInterceptor.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -13,7 +13,9 @@ * * @author Manik Surtani (<a href="mailto:manik@jboss.org">manik@jboss.org</a>) * @since 3.0 + * @deprecated will be removed along with optimistic and pessimistic locking. */ +@Deprecated public class LegacyPassivationInterceptor extends PassivationInterceptor { private DataContainer dataContainer; Modified: core/trunk/src/main/java/org/jboss/cache/interceptors/MVCCLockingInterceptor.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/interceptors/MVCCLockingInterceptor.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/interceptors/MVCCLockingInterceptor.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -3,7 +3,6 @@ import org.jboss.cache.DataContainer; import org.jboss.cache.Fqn; import org.jboss.cache.InternalNode; -import org.jboss.cache.NodeFactory; import org.jboss.cache.NodeSPI; import org.jboss.cache.commands.VisitableCommand; import org.jboss.cache.commands.read.ExistsCommand; @@ -49,15 +48,13 @@ { LockManager lockManager; DataContainer dataContainer; - NodeFactory nodeFactory; MVCCNodeHelper helper; @Inject - public void setDependencies(LockManager lockManager, DataContainer dataContainer, NodeFactory nodeFactory, MVCCNodeHelper helper) + public void setDependencies(LockManager lockManager, DataContainer dataContainer, MVCCNodeHelper helper) { this.lockManager = lockManager; this.dataContainer = dataContainer; - this.nodeFactory = nodeFactory; this.helper = helper; } @@ -95,7 +92,7 @@ @Override public Object handleRemoveNodeCommand(InvocationContext ctx, RemoveNodeCommand command) throws Throwable { - helper.wrapNodesForWriting(ctx, command.getFqn()); + helper.wrapNodesRecursivelyForRemoval(ctx, command.getFqn()); return invokeNextInterceptor(ctx, command); } @@ -129,13 +126,14 @@ List<Fqn> fqnsToEvict; if (command.getFqn().isRoot()) { - // special treatment - deal with all of root's kids instead. + // if this is the root node, do not attempt to lock this for writing but instead just get all direct children of root. Map<Object, InternalNode> children = dataContainer.peekInternalNode(Fqn.ROOT, false).getChildrenMap(); - if (children != null && !children.isEmpty()) + if (!children.isEmpty()) { fqnsToEvict = new LinkedList<Fqn>(); + // lock recursively. for (InternalNode child : children.values()) - fqnsToEvict.addAll(helper.wrapNodesForWriting(ctx, child.getFqn())); + fqnsToEvict.addAll(helper.wrapNodesRecursivelyForRemoval(ctx, child.getFqn())); } else { @@ -144,9 +142,11 @@ } else { - fqnsToEvict = helper.wrapNodesForWriting(ctx, command.getFqn()); + // lock current node recursively. + fqnsToEvict = helper.wrapNodesRecursivelyForRemoval(ctx, command.getFqn()); } + // set these in the evict command so that the command is aware of what needs to be evicted. command.setNodesToEvict(fqnsToEvict); } @@ -155,8 +155,9 @@ { if (command.getFqn().isRoot()) { + // if this is the root node, do not attempt to lock this for writing but instead just get all direct children of root. Map<Object, NodeSPI> children = dataContainer.peekInternalNode(Fqn.ROOT, false).getChildrenMap(); - if (children != null && !children.isEmpty()) + if (!children.isEmpty()) { for (NodeSPI child : children.values()) helper.wrapNodeForWriting(ctx, child.getFqn(), true, false, false, true, true); @@ -164,6 +165,7 @@ } else { + // just wrap the node for writing. Do not create if absent. helper.wrapNodeForWriting(ctx, command.getFqn(), true, false, false, true, true); } } @@ -173,7 +175,7 @@ { // this should be handled the same as a recursive evict command. ctx.getOptionOverrides().setLockAcquisitionTimeout(0); - if (!command.getFqn().isRoot()) helper.wrapNodesForWriting(ctx, command.getFqn()); + if (!command.getFqn().isRoot()) helper.wrapNodesRecursivelyForRemoval(ctx, command.getFqn()); return invokeNextInterceptor(ctx, command); } @@ -229,20 +231,21 @@ @Override public Object handleMoveCommand(InvocationContext ctx, MoveCommand command) throws Throwable { - // nodes we need to get WLs for: - // node we are moving FROM (and it's parent and children.) Same as removeNode. - List<Fqn> nodeAndChildren = helper.wrapNodesForWriting(ctx, command.getFqn()); + // Nodes we need to get WLs for: + // 1) node we are moving FROM, and it's parent and ALL children. Same as removeNode. + List<Fqn> nodeAndChildren = helper.wrapNodesRecursivelyForRemoval(ctx, command.getFqn()); + Fqn newParent = command.getTo(); Fqn oldParent = command.getFqn().getParent(); - // now lock the new parent. + // 2) The new parent. helper.wrapNodeForWriting(ctx, newParent, true, true, false, false, false); - if (!oldParent.equals(newParent) && nodeAndChildren != null) + if (!oldParent.equals(newParent)) { // the nodeAndChildren list contains all child nodes, including the node itself. - // now obtain locks on the new places these new nodes will occupy. + // 3) now obtain locks on the new places these new nodes will occupy. for (Fqn f : nodeAndChildren) { Fqn newChildFqn = f.replaceAncestor(oldParent, newParent); @@ -313,6 +316,7 @@ return retval; } + @SuppressWarnings("unchecked") protected void doAfterCall(InvocationContext ctx, VisitableCommand command) { // for non-transactional stuff. @@ -321,21 +325,7 @@ List<Fqn> locks; if (!(locks = ctx.getLocks()).isEmpty()) { - // clean up. - // unlocking needs to be done in reverse order. - ListIterator<Fqn> it = locks.listIterator(locks.size()); - Object owner = Thread.currentThread(); - while (it.hasPrevious()) - { - Fqn f = it.previous(); - // for each of these, swap refs - NodeSPI rcn = ctx.lookUpNode(f); - if (rcn != null) rcn.commitUpdate(ctx, dataContainer, nodeFactory); // could be null with read-committed - // and then unlock - if (trace) log.trace("Releasing lock on [" + f + "] for thread " + owner); - lockManager.unlock(f, owner); - } - ctx.clearLocks(); + cleanupLocks(locks, ctx, Thread.currentThread(), true); } else { @@ -344,47 +334,55 @@ } else { - if (trace) - log.trace("Nothing to do since there is a transaction in scope."); + if (trace) log.trace("Nothing to do since there is a transaction in scope."); } } - protected void transactionalCleanup(boolean commit, InvocationContext ctx) + private void cleanupLocks(List<Fqn> locks, InvocationContext ctx, Object owner, boolean commit) { - if (ctx.getTransactionContext() != null) + // clean up. + // unlocking needs to be done in reverse order. + ListIterator<Fqn> it = locks.listIterator(locks.size()); + + if (commit) { - List<Fqn> locks; - if (!(locks = ctx.getTransactionContext().getLocks()).isEmpty()) + while (it.hasPrevious()) { - // clean up. - // unlocking needs to be done in reverse order. - ListIterator<Fqn> it = locks.listIterator(locks.size()); - Object owner = ctx.getGlobalTransaction(); - while (it.hasPrevious()) - { - Fqn f = it.previous(); - NodeSPI rcn = ctx.lookUpNode(f); - if (rcn != null) // could be null with read-committed - { - if (commit) - { - // for each of these, swap refs - rcn.commitUpdate(ctx, dataContainer, nodeFactory); - } - else - { - rcn.rollbackUpdate(); - } - } - // and then unlock - if (trace) log.trace("Releasing lock on [" + f + "] for transaction " + owner); - lockManager.unlock(f, owner); - } - ctx.clearLocks(); + Fqn f = it.previous(); + NodeSPI rcn = ctx.lookUpNode(f); + // could be null with read-committed + if (rcn != null) rcn.commitUpdate(ctx, dataContainer); + // and then unlock + if (trace) log.trace("Releasing lock on [" + f + "] for owner " + owner); + lockManager.unlock(f, owner); } } else { + while (it.hasPrevious()) + { + Fqn f = it.previous(); + NodeSPI rcn = ctx.lookUpNode(f); + // could be null with read-committed + if (rcn != null) rcn.rollbackUpdate(); + // and then unlock + if (trace) log.trace("Releasing lock on [" + f + "] for owner " + owner); + lockManager.unlock(f, owner); + } + } + ctx.clearLocks(); + } + + @SuppressWarnings("unchecked") + private void transactionalCleanup(boolean commit, InvocationContext ctx) + { + if (ctx.getTransactionContext() != null) + { + List<Fqn> locks = ctx.getTransactionContext().getLocks(); + if (!locks.isEmpty()) cleanupLocks(locks, ctx, ctx.getGlobalTransaction(), commit); + } + else + { throw new IllegalStateException("Attempting to do a commit or rollback but there is no transactional context in scope. " + ctx); } } Modified: core/trunk/src/main/java/org/jboss/cache/interceptors/OptimisticCreateIfNotExistsInterceptor.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/interceptors/OptimisticCreateIfNotExistsInterceptor.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/interceptors/OptimisticCreateIfNotExistsInterceptor.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -37,7 +37,9 @@ * * @author <a href="mailto:manik@jboss.org">Manik Surtani (manik(a)jboss.org)&lt;/a&gt; * @author <a href="mailto:stevew@jofti.com">Steve Woodcock (stevew(a)jofti.com)&lt;/a&gt; + * @deprecated will be removed along with optimistic and pessimistic locking. */ +@Deprecated public class OptimisticCreateIfNotExistsInterceptor extends OptimisticInterceptor { /** Modified: core/trunk/src/main/java/org/jboss/cache/interceptors/OptimisticInterceptor.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/interceptors/OptimisticInterceptor.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/interceptors/OptimisticInterceptor.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -30,7 +30,9 @@ * Abstract interceptor for optimistic locking * * @author <a href="mailto:manik@jboss.org">Manik Surtani (manik(a)jboss.org)&lt;/a&gt; + * @deprecated will be removed along with optimistic and pessimistic locking. */ +@Deprecated public abstract class OptimisticInterceptor extends CommandInterceptor { protected TransactionManager txManager; Modified: core/trunk/src/main/java/org/jboss/cache/interceptors/OptimisticLockingInterceptor.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/interceptors/OptimisticLockingInterceptor.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/interceptors/OptimisticLockingInterceptor.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -27,7 +27,9 @@ * * @author <a href="mailto:manik@jboss.org">Manik Surtani (manik(a)jboss.org)&lt;/a&gt; * @author <a href="mailto:stevew@jofti.com">Steve Woodcock (stevew(a)jofti.com)&lt;/a&gt; + * @deprecated will be removed along with optimistic and pessimistic locking. */ +@Deprecated public class OptimisticLockingInterceptor extends OptimisticInterceptor { @Start Modified: core/trunk/src/main/java/org/jboss/cache/interceptors/OptimisticNodeInterceptor.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/interceptors/OptimisticNodeInterceptor.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/interceptors/OptimisticNodeInterceptor.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -49,7 +49,9 @@ * * @author <a href="mailto:manik@jboss.org">Manik Surtani (manik(a)jboss.org)&lt;/a&gt; * @author <a href="mailto:stevew@jofti.com">Steve Woodcock (stevew(a)jofti.com)&lt;/a&gt; + * @deprecated will be removed along with optimistic and pessimistic locking. */ +@Deprecated public class OptimisticNodeInterceptor extends OptimisticInterceptor { /** Modified: core/trunk/src/main/java/org/jboss/cache/interceptors/OptimisticReplicationInterceptor.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/interceptors/OptimisticReplicationInterceptor.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/interceptors/OptimisticReplicationInterceptor.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -50,7 +50,9 @@ * * @author <a href="mailto:manik@jboss.org">Manik Surtani (manik(a)jboss.org)&lt;/a&gt; * @author <a href="mailto:stevew@jofti.com">Steve Woodcock (stevew(a)jofti.com)&lt;/a&gt; + * @deprecated will be removed along with optimistic and pessimistic locking. */ +@Deprecated public class OptimisticReplicationInterceptor extends BaseRpcInterceptor { /** Modified: core/trunk/src/main/java/org/jboss/cache/interceptors/OptimisticTxInterceptor.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/interceptors/OptimisticTxInterceptor.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/interceptors/OptimisticTxInterceptor.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -24,7 +24,9 @@ * * @author Manik Surtani (<a href="mailto:manik@jboss.org">manik@jboss.org</a>) * @since 2.2.0 + * @deprecated will be removed along with optimistic and pessimistic locking. */ +@Deprecated public class OptimisticTxInterceptor extends TxInterceptor { protected final ModificationsReplayVisitor replayVisitor = new ModificationsReplayVisitor(); Modified: core/trunk/src/main/java/org/jboss/cache/interceptors/OptimisticValidatorInterceptor.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/interceptors/OptimisticValidatorInterceptor.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/interceptors/OptimisticValidatorInterceptor.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -45,7 +45,9 @@ * * @author Manik Surtani (<a href="mailto:manik@jboss.org">manik@jboss.org</a>) * @author Steve Woodcock (<a href="mailto:stevew@jofti.com">stevew@jofti.com</a>) + * @deprecated will be removed along with optimistic and pessimistic locking. */ +@Deprecated public class OptimisticValidatorInterceptor extends OptimisticInterceptor { private boolean useTombstones; @@ -139,6 +141,7 @@ return invokeNextInterceptor(ctx, command); } + @SuppressWarnings("unchecked") private void commitTransaction(InvocationContext ctx) { GlobalTransaction gtx = getGlobalTransaction(ctx); @@ -194,14 +197,11 @@ { // mark it as invalid so any direct references are marked as such Map childNode = underlyingNode.getChildrenMapDirect(); - if (childNode != null) + for (Object o : childNode.values()) { - for (Object o : childNode.values()) - { - NodeSPI cn = (NodeSPI) o; - cn.setValid(false, true); - if (!useTombstones) underlyingNode.removeChildDirect(cn.getFqn().getLastElement()); - } + NodeSPI cn = (NodeSPI) o; + cn.setValid(false, true); + if (!useTombstones) underlyingNode.removeChildDirect(cn.getFqn().getLastElement()); } } Modified: core/trunk/src/main/java/org/jboss/cache/interceptors/PessimisticLockInterceptor.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/interceptors/PessimisticLockInterceptor.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/interceptors/PessimisticLockInterceptor.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -55,7 +55,9 @@ * * @author Bela Ban * @version $Id$ + * @deprecated will be removed along with optimistic and pessimistic locking. */ +@Deprecated public class PessimisticLockInterceptor extends PrePostProcessingCommandInterceptor { private DataContainer dataContainer; @@ -289,6 +291,7 @@ * @param transactionContext transaction entry * @throws InterruptedException in the event of interruption */ + @SuppressWarnings("unchecked") public void lockAllForRemoval(NodeSPI node, InvocationContext ctx, TransactionContext transactionContext) throws InterruptedException { if (node == null) return; @@ -300,13 +303,10 @@ // now children. Map<Object, NodeSPI> children = node.getChildrenMapDirect(); - if (children != null) + for (NodeSPI child : children.values()) { - for (NodeSPI child : children.values()) - { - // lock child. - lockAllForRemoval(child, ctx, transactionContext); - } + // lock child. + lockAllForRemoval(child, ctx, transactionContext); } } Modified: core/trunk/src/main/java/org/jboss/cache/invocation/LegacyInvocationContext.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/invocation/LegacyInvocationContext.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/invocation/LegacyInvocationContext.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -11,7 +11,9 @@ * * @author Manik Surtani (<a href="mailto:manik@jboss.org">manik@jboss.org</a>) * @since 3.0 + * @deprecated will be removed along with optimistic and pessimistic locking. */ +@Deprecated public class LegacyInvocationContext extends AbstractInvocationContext { DataContainer container; Modified: core/trunk/src/main/java/org/jboss/cache/invocation/NodeInvocationDelegate.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/invocation/NodeInvocationDelegate.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/invocation/NodeInvocationDelegate.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -8,7 +8,6 @@ import org.jboss.cache.Fqn; import org.jboss.cache.InternalNode; import org.jboss.cache.Node; -import org.jboss.cache.NodeFactory; import org.jboss.cache.NodeNotValidException; import org.jboss.cache.NodeSPI; import org.jboss.cache.config.Option; @@ -525,12 +524,12 @@ throw new UnsupportedOperationException(); } - public void markForUpdate(InvocationContext ctx, DataContainer container, NodeFactory nodeFactory, boolean writeSkewCheck) + public void markForUpdate(DataContainer container, boolean writeSkewCheck) { throw new UnsupportedOperationException(); } - public void commitUpdate(InvocationContext ctx, DataContainer container, NodeFactory nodeFactory) + public void commitUpdate(InvocationContext ctx, DataContainer container) { throw new UnsupportedOperationException(); } Modified: core/trunk/src/main/java/org/jboss/cache/lock/MVCCLockManager.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/lock/MVCCLockManager.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/lock/MVCCLockManager.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -136,6 +136,7 @@ } } + @SuppressWarnings("unchecked") private boolean lockRecursively(InternalNode node, long timeoutMillis, boolean excludeInternalFqns, InvocationContext ctx) throws InterruptedException { if (excludeInternalFqns && internalFqns.contains(node.getFqn())) @@ -150,7 +151,6 @@ // need to recursively walk through the node's children and acquire locks. This needs to happen using API methods // since any cache loading will need to happen. - //Set<InternalNode> children = node.getChildren(); Map<Object, InternalNode> children = node.getChildrenMap(); try { Modified: core/trunk/src/main/java/org/jboss/cache/mvcc/MVCCNodeFactory.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/mvcc/MVCCNodeFactory.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/mvcc/MVCCNodeFactory.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -49,6 +49,7 @@ * @return a ReadCommittedNode */ @Override + @SuppressWarnings("unchecked") public ReadCommittedNode createWrappedNode(InternalNode<K, V> node) { if (node == null) return useRepeatableRead ? NULL_MARKER : null; @@ -58,36 +59,20 @@ return rcn; } -// private NodeSPI<K, V> initializeNodeInvocationDelegate(UnversionedNode<K, V> internal) -// { -// internal.injectDependencies(cache, commandsFactory, this); -// -// // always assume that new nodes do not have data loaded -// internal.setDataLoaded(false); -// NodeSPI<K, V> nid = createNodeInvocationDelegate(internal, !useRepeatableRead); -// -// // back reference -// internal.setDelegate(nid); -// return nid; -// } - @Override public NodeSPI<K, V> createNode(Fqn fqn, NodeSPI<K, V> parent, Map<K, V> data) { -// UnversionedNode<K, V> internal = new UnversionedNode<K, V>(fqn, cache, lockChildForInsertRemove, data); -// return initializeNodeInvocationDelegate(internal); throw new UnsupportedOperationException(); } @Override public NodeSPI<K, V> createNode(Fqn fqn, NodeSPI<K, V> parent) { -// UnversionedNode<K, V> internal = new UnversionedNode<K, V>(fqn, cache, lockChildForInsertRemove); -// return initializeNodeInvocationDelegate(internal); throw new UnsupportedOperationException(); } @Override + @SuppressWarnings("unchecked") public NodeSPI<K, V> createRootNode() { return createWrappedNode(createInternalNode(Fqn.ROOT)); @@ -112,18 +97,8 @@ return createNode(Fqn.fromRelativeElements(parent.getFqn(), childName), parent); } -// @Override -// protected NodeSPI<K, V> createNodeInvocationDelegate(InternalNode<K, V> internalNode, boolean wrapWithNodeReference) -// { -// if (wrapWithNodeReference && internalNode instanceof NodeReference) -// throw new IllegalArgumentException("Cannot wrap a NodeReference with a NodeReference!"); -// if (wrapWithNodeReference && useRepeatableRead) -// throw new IllegalArgumentException("Cannot use NodeReferences with RepeatableRead!"); -// if (wrapWithNodeReference) internalNode = new NodeReference<K, V>(internalNode); -// return super.createNodeInvocationDelegate(internalNode, false); -// } - @Override + @SuppressWarnings("unchecked") public InternalNode<K, V> createAndRegister(Fqn fqn, InternalNode<K, V> parent, InvocationContext ctx, boolean attachToParent) { InternalNode<K, V> child; @@ -141,7 +116,7 @@ if (trace) log.trace("Created new child with fqn [" + fqn + "]"); - TransactionContext tctx = null; + TransactionContext tctx; if ((tctx = ctx.getTransactionContext()) != null) { CreateNodeCommand createNodeCommand = commandsFactory.buildCreateNodeCommand(fqn); Modified: core/trunk/src/main/java/org/jboss/cache/mvcc/MVCCNodeHelper.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/mvcc/MVCCNodeHelper.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/mvcc/MVCCNodeHelper.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -7,6 +7,7 @@ import org.jboss.cache.Fqn; import org.jboss.cache.InternalNode; import org.jboss.cache.NodeFactory; +import org.jboss.cache.NodeNotExistsException; import org.jboss.cache.NodeSPI; import org.jboss.cache.config.Configuration; import org.jboss.cache.factories.annotations.Inject; @@ -18,6 +19,7 @@ import org.jboss.cache.lock.TimeoutException; import java.util.Collection; +import java.util.Collections; import java.util.LinkedList; import java.util.List; import java.util.Map; @@ -98,6 +100,7 @@ return wrapNodeForReading(ctx, fqn, ctx.getOptionOverrides().isForceWriteLock()); } + @SuppressWarnings("unchecked") private NodeSPI wrapNodeForReading(InvocationContext ctx, Fqn f, boolean writeLockForced) throws InterruptedException { NodeSPI n; @@ -156,6 +159,7 @@ * data structure. It will lock the node, and potentially the parent as well, if necessary. If the parent is locked, * it too will be added to the context if it wasn't there already. * + * @param context invocation context * @param fqn to retrieve * @param lockForWriting if true, a lock will be acquired. * @param createIfAbsent if true, will be created if absent. @@ -163,7 +167,9 @@ * @param forRemoval if true, the parent may also be locked if locking parents for removal is necessary. * @param force if true, will force the write lock even if the node is null. * @return a wrapped node, or null. + * @throws InterruptedException if interrupted */ + @SuppressWarnings("unchecked") public NodeSPI wrapNodeForWriting(InvocationContext context, Fqn fqn, boolean lockForWriting, boolean createIfAbsent, boolean includeInvalidNodes, boolean forRemoval, boolean force) throws InterruptedException { Fqn parentFqn = null; @@ -175,7 +181,7 @@ if (lockForWriting && acquireLock(context, fqn)) { // create a copy of the underlying node - n.markForUpdate(context, dataContainer, nodeFactory, writeSkewCheck); + n.markForUpdate(dataContainer, writeSkewCheck); } if (trace) log.trace("Retrieving wrapped node " + fqn); if (n.isDeleted() && createIfAbsent) @@ -200,7 +206,7 @@ } n = nodeFactory.createWrappedNode(in); context.putLookedUpNode(fqn, n); - if (needToCopy) n.markForUpdate(context, dataContainer, nodeFactory, writeSkewCheck); + if (needToCopy) n.markForUpdate(dataContainer, writeSkewCheck); } else if (createIfAbsent) // else, do we need to create one? { @@ -212,21 +218,17 @@ if (parentLockNeeded && acquireLock(context, parentFqn)) { ReadCommittedNode parentRCN = (ReadCommittedNode) context.lookUpNode(parentFqn); - parentRCN.markForUpdate(context, dataContainer, nodeFactory, writeSkewCheck); + parentRCN.markForUpdate(dataContainer, writeSkewCheck); } // now to lock and create the node. Lock first to prevent concurrent creation! acquireLock(context, fqn); in = nodeFactory.createAndRegister(fqn, null, context, false); -// NodeSPI temp = parent.getOrCreateChild(fqn.getLastElement(), context.getGlobalTransaction()); -// parent.removeChildDirect(fqn.getLastElement()); -// in = ((NodeInvocationDelegate) temp).getDelegationTarget(); - n = nodeFactory.createWrappedNode(in); n.setCreated(true); context.putLookedUpNode(fqn, n); - n.markForUpdate(context, dataContainer, nodeFactory, writeSkewCheck); + n.markForUpdate(dataContainer, writeSkewCheck); } } @@ -241,6 +243,50 @@ } /** + * The same as {@link #wrapNodeForWriting(org.jboss.cache.invocation.InvocationContext, org.jboss.cache.Fqn, boolean, boolean, boolean, boolean, boolean)} + * except that it takes in an {@link org.jboss.cache.InternalNode} instead of a {@link Fqn}. Saves on a lookup. + * <p/> + * Also assumes that the node exists, and hence will not be created. + * <p/> + * + * @param context invocation context + * @param node node to wrap + * @return a wrapped node, or null. + * @throws InterruptedException if interrupted + */ + @SuppressWarnings("unchecked") + public NodeSPI wrapNodeForWriting(InvocationContext context, InternalNode node) throws InterruptedException + { + Fqn fqn = node.getFqn(); + NodeSPI n = context.lookUpNode(fqn); + if (n != null) // exists in context! Just acquire lock if needed, and wrap. + { + // acquire lock if needed + if (acquireLock(context, fqn)) + { + // create a copy of the underlying node + n.markForUpdate(dataContainer, writeSkewCheck); + } + if (trace) log.trace("Retrieving wrapped node " + fqn); + } + else + { + // exists in cache! Just acquire lock if needed, and wrap. + // do we need a lock? + boolean needToCopy = false; + if (acquireLock(context, fqn)) + { + needToCopy = true; + } + n = nodeFactory.createWrappedNode(node); + context.putLookedUpNode(fqn, n); + if (needToCopy) n.markForUpdate(dataContainer, writeSkewCheck); + } + + return n; + } + + /** * Wraps a node and all its subnodes and adds them to the context, acquiring write locks for them all. * * @param ctx context @@ -248,7 +294,8 @@ * @return a list of Fqns of locks acquired in this call. * @throws InterruptedException if the lock manager is interrupted. */ - public List<Fqn> wrapNodesForWriting(InvocationContext ctx, Fqn fqn) throws InterruptedException + @SuppressWarnings("unchecked") + public List<Fqn> wrapNodesRecursivelyForRemoval(InvocationContext ctx, Fqn fqn) throws InterruptedException { // when removing a node we want to get a lock on the Fqn anyway and return the wrapped node. if (fqn.isRoot()) throw new CacheException("Attempting to remove Fqn.ROOT!"); @@ -257,49 +304,57 @@ // inspect parent boolean needToCopyParent = false; boolean parentLockNeeded = isParentLockNeeded(parentFqn, ctx); + ReadCommittedNode parent = null; if (parentLockNeeded) { needToCopyParent = acquireLock(ctx, parentFqn); // Ensure the node is in the context. - putNodeInContext(ctx, parentFqn, needToCopyParent); + parent = wrapAndPutInContext(ctx, parentFqn, needToCopyParent); } boolean needToCopyNode = acquireLock(ctx, fqn); // Ensure the node is in the context. - putNodeInContext(ctx, fqn, needToCopyNode); + ReadCommittedNode node = wrapAndPutInContext(ctx, fqn, needToCopyNode); - ReadCommittedNode node = (ReadCommittedNode) ctx.lookUpNode(fqn); - - // update child ref on parent to point to child as this is now a copy. - if (node != null && !(node.isNullNode())) + if (node == null || node.isNullNode()) { + // node does not exist; return an empty list since there is nothing to remove! + return Collections.emptyList(); + } + else + { + // update child ref on parent to point to child as this is now a copy. if (parentLockNeeded && (needToCopyNode || needToCopyParent)) { - ReadCommittedNode parent = (ReadCommittedNode) ctx.lookUpNode(parentFqn); + if (parent == null) throw new NodeNotExistsException("Parent node " + parentFqn + " does not exist!"); parent.getDelegationTarget().addChild(node.getDelegationTarget()); - -// parent.addChildDirect(nodeFactory.createNodeInvocationDelegate(node.getDelegationTarget(), configuration.getIsolationLevel() == IsolationLevel.READ_COMMITTED)); } // now deal with children. -// Map childMap = node.getChildrenMapDirect(); Map<Object, InternalNode<?, ?>> childMap = node.getDelegationTarget().getChildrenMap(); List<Fqn> fqnsToBeRemoved = new LinkedList<Fqn>(); fqnsToBeRemoved.add(fqn); - if (childMap == null || childMap.isEmpty()) return fqnsToBeRemoved; - for (InternalNode n : childMap.values()) + if (!childMap.isEmpty()) { - lockForWritingRecursive(n.getFqn(), ctx, fqnsToBeRemoved); + for (InternalNode n : childMap.values()) lockForWritingRecursive(n.getFqn(), ctx, fqnsToBeRemoved); } return fqnsToBeRemoved; } - - return null; } + /** + * Locks a node recursively for writing, not creating if it doesn't exist. + * + * @param fqn Fqn to lock + * @param ctx invocation context to add wrapped node to + * @param fqnList fqnList to update - this list should not be null but should be initially empty and will be populated + * with a list of all Fqns locked in this call. + * @throws InterruptedException if interrupted + */ + @SuppressWarnings("unchecked") private void lockForWritingRecursive(Fqn fqn, InvocationContext ctx, List<Fqn> fqnList) throws InterruptedException { acquireLock(ctx, fqn); // lock node @@ -309,30 +364,51 @@ NodeSPI rcn = wrapNodeForWriting(ctx, fqn, true, false, true, false, false); if (rcn != null) { - rcn.markForUpdate(ctx, dataContainer, nodeFactory, writeSkewCheck); + rcn.markForUpdate(dataContainer, writeSkewCheck); + Map<Object, InternalNode<?, ?>> children = rcn.getDelegationTarget().getChildrenMap(); + for (InternalNode child : children.values()) lockForWritingRecursive(child, ctx, fqnList); + } + } - // Why is this necessary again?!?? - Manik, 24Jul08 + /** + * Identical to {@link #lockForWritingRecursive(org.jboss.cache.Fqn, org.jboss.cache.invocation.InvocationContext, java.util.List)} + * except that it uses an {@link org.jboss.cache.InternalNode} instead of an {@link Fqn} - saves a lookup. + * + * @param node node to lock recursively + * @param ctx invocation context + * @param fqnList list of Fqns to add to + * @throws InterruptedException if interrupted + */ + @SuppressWarnings("unchecked") + private void lockForWritingRecursive(InternalNode node, InvocationContext ctx, List<Fqn> fqnList) throws InterruptedException + { + Fqn fqn = node.getFqn(); + acquireLock(ctx, fqn); // lock node + if (fqnList != null) fqnList.add(fqn); -// NodeSPI parent = ctx.lookUpNode(fqn.getParent()); -// parent.getDelegationTarget().addChild(rcn.getDelegationTarget()); - - // yukky logic. - -// parent.addChildDirect(nodeFactory.createNodeInvocationDelegate(rcn.getDelegationTarget(), configuration.getIsolationLevel() == IsolationLevel.READ_COMMITTED)); - -// Map<Object, NodeSPI> children = rcn.getChildrenMapDirect(); + // now wrap and add to the context + NodeSPI rcn = wrapNodeForWriting(ctx, node); + if (rcn != null) + { + rcn.markForUpdate(dataContainer, writeSkewCheck); Map<Object, InternalNode<?, ?>> children = rcn.getDelegationTarget().getChildrenMap(); - if (children != null) - { - for (InternalNode child : children.values()) - { - lockForWritingRecursive(child.getFqn(), ctx, fqnList); - } - } + for (InternalNode child : children.values()) lockForWritingRecursive(child, ctx, fqnList); } } - private void putNodeInContext(InvocationContext ctx, Fqn fqn, boolean needToCopyNode) + + /** + * Wraps a node and puts it in the context, optionally copying the node for updating if <tt>forUpdate</tt> is <tt>true</tt>. + * If the node is already in the context, a new wrapped node is not created, but the existing one is still checked + * for changes and potentially marked for update if <tt>forUpdate</tt> is <tt>true</tt>. + * + * @param ctx invocation context to add node to + * @param fqn fqn of node to add + * @param forUpdate if true, the wrapped node is marked for update before adding to the context. + * @return the ReadCommittedNode wrapper, or null if the node does not exist. + */ + @SuppressWarnings("unchecked") + private ReadCommittedNode wrapAndPutInContext(InvocationContext ctx, Fqn fqn, boolean forUpdate) { ReadCommittedNode node = (ReadCommittedNode) ctx.lookUpNode(fqn); if (node == null) @@ -342,17 +418,31 @@ ctx.putLookedUpNode(fqn, node); } - if (needToCopyNode && node != null && !node.isChanged()) // node could be null if using read-committed - { - node.markForUpdate(ctx, dataContainer, nodeFactory, writeSkewCheck); - } + // node could be null if using read-committed + if (forUpdate && node != null && !node.isChanged()) node.markForUpdate(dataContainer, writeSkewCheck); + + return node; } + /** + * An overloaded version of {@link #isParentLockNeeded(org.jboss.cache.Fqn, org.jboss.cache.invocation.InvocationContext)} + * which takes in an {@link org.jboss.cache.InternalNode} instead of a {@link Fqn}. + * + * @param parent parent node to test + * @return true if parent lock is needed, false otherwise. + */ private boolean isParentLockNeeded(InternalNode parent) { return lockParentForChildInsertRemove || (parent != null && parent.isLockForChildInsertRemove()); } + /** + * Tests if locking the parent is necessary when locking a specific node. + * + * @param parent Fqn of parent node to check + * @param ctx invocation context + * @return true if parent lock is needed, false otherwise. + */ private boolean isParentLockNeeded(Fqn parent, InvocationContext ctx) { ReadCommittedNode parentNodeTmp = (ReadCommittedNode) ctx.lookUpNode(parent); Modified: core/trunk/src/main/java/org/jboss/cache/mvcc/NullMarkerNode.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/mvcc/NullMarkerNode.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/mvcc/NullMarkerNode.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -2,8 +2,6 @@ import org.jboss.cache.DataContainer; import org.jboss.cache.InternalNode; -import org.jboss.cache.NodeFactory; -import org.jboss.cache.invocation.InvocationContext; /** * A marker node to represent a null node for repeatable read, so that a read that returns a null can continue to return @@ -50,7 +48,7 @@ * A no-op. */ @Override - public void markForUpdate(InvocationContext ctx, DataContainer d, NodeFactory nodeFactory, boolean b) + public void markForUpdate(DataContainer d, boolean b) { // no op } Modified: core/trunk/src/main/java/org/jboss/cache/mvcc/ReadCommittedNode.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/mvcc/ReadCommittedNode.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/mvcc/ReadCommittedNode.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -5,7 +5,6 @@ import org.jboss.cache.DataContainer; import org.jboss.cache.Fqn; import org.jboss.cache.InternalNode; -import org.jboss.cache.NodeFactory; import org.jboss.cache.NodeNotExistsException; import org.jboss.cache.NodeSPI; import org.jboss.cache.invocation.InvocationContext; @@ -37,6 +36,7 @@ } } + @SuppressWarnings("unchecked") public ReadCommittedNode(InternalNode node) { super(node); @@ -80,22 +80,25 @@ } @Override - public void markForUpdate(InvocationContext ctx, DataContainer container, NodeFactory nodeFactory, boolean writeSkewCheck) + public void markForUpdate(DataContainer container, boolean writeSkewCheck) { if (isFlagSet(CHANGED)) return; // already copied - setFlag(CHANGED); - if (!isFlagSet(CREATED)) + setFlag(CHANGED); // mark as changed + if (!isFlagSet(CREATED)) // if newly created, then nothing to copy. { backup = node; + // don't copy the NodeReference but the InternalNode that the NodeReference delegates to. InternalNode backupDelegationTarget = ((NodeReference) backup).getDelegate(); node = backupDelegationTarget.copy(); } } @Override - public void commitUpdate(InvocationContext ctx, DataContainer container, NodeFactory nodeFactory) + @SuppressWarnings("unchecked") + public void commitUpdate(InvocationContext ctx, DataContainer container) { + // only do stuff if there are changes. if (isFlagSet(CHANGED)) { Fqn fqn = getFqn(); @@ -110,10 +113,11 @@ InternalNode parent = lookupParent(fqn, ctx, container); parent.removeChild(fqn.getLastElement()); setValid(false, false); - updateNode(ctx, container, nodeFactory); + updateNode(ctx, container); } else { + // should never get here. Other layers should prevent a delete on root. log.warn("Attempting to remove the root node. Not doing anything!"); } } @@ -121,14 +125,15 @@ { // add newly created nodes to parents. InternalNode parent = lookupParent(fqn, ctx, container); -// parent.addChildDirect(nodeFactory.createNodeInvocationDelegate(node, false)); parent.addChild(node); } else { - updateNode(ctx, container, nodeFactory); + // Only content has been updated, just update refs. + updateNode(ctx, container); } + // reset internal flags and refs to backups, etc. reset(); } } @@ -154,12 +159,14 @@ InternalNode retval; Fqn parentFqn = fqn.getParent(); NodeSPI parent = ctx.lookUpNode(parentFqn); + // first check if the parent is cached in the context. if (parent != null) { retval = parent.getDelegationTarget(); } else { + // if not, get it from the data container. No need to wrap here, we're just going to update the parent's child map. retval = container.peekInternalNode(parentFqn, false); } if (retval == null) @@ -172,9 +179,9 @@ * * @param ctx invocation context * @param dataContainer data container - * @param nf node factory */ - protected void updateNode(InvocationContext ctx, DataContainer dataContainer, NodeFactory nf) + @SuppressWarnings("unchecked") + protected void updateNode(InvocationContext ctx, DataContainer dataContainer) { // swap refs if (!isFlagSet(CREATED)) ((NodeReference) backup).setDelegate(node); @@ -209,7 +216,8 @@ unsetFlag(CREATED); } - // do not propagate deletion flags to the underlying node. + // do not delegate deletion flags to the InternalNode since this will cause problems with concurrent readers. Maintain + // deletion information here and update on commit. @Override public boolean isDeleted() Modified: core/trunk/src/main/java/org/jboss/cache/mvcc/RepeatableReadNode.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/mvcc/RepeatableReadNode.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/mvcc/RepeatableReadNode.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -5,7 +5,6 @@ import org.jboss.cache.DataContainer; import org.jboss.cache.Fqn; import org.jboss.cache.InternalNode; -import org.jboss.cache.NodeFactory; import org.jboss.cache.invocation.InvocationContext; import static org.jboss.cache.mvcc.ReadCommittedNode.Flags.CHANGED; import static org.jboss.cache.mvcc.ReadCommittedNode.Flags.DELETED; @@ -27,7 +26,7 @@ } @Override - public void markForUpdate(InvocationContext ctx, DataContainer container, NodeFactory nodeFactory, boolean writeSkewCheck) + public void markForUpdate(DataContainer container, boolean writeSkewCheck) { if (isFlagSet(CHANGED)) return; // already copied @@ -55,15 +54,17 @@ } @Override - protected void updateNode(InvocationContext ctx, DataContainer dataContainer, NodeFactory nf) + @SuppressWarnings("unchecked") + protected void updateNode(InvocationContext ctx, DataContainer dataContainer) { - if (getFqn().isRoot()) + Fqn fqn = getFqn(); + if (fqn.isRoot()) { dataContainer.setRoot(node); } else if (!isFlagSet(DELETED)) { - InternalNode parent = lookupParent(getFqn(), ctx, dataContainer); + InternalNode parent = lookupParent(fqn, ctx, dataContainer); parent.addChild(node); } } Modified: core/trunk/src/main/java/org/jboss/cache/optimistic/OptimisticNodeFactory.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/optimistic/OptimisticNodeFactory.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/optimistic/OptimisticNodeFactory.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -15,7 +15,9 @@ * * @author Manik Surtani (<a href="mailto:manik@jboss.org">manik@jboss.org</a>) * @since 3.0 + * @deprecated will be removed along with optimistic and pessimistic locking. */ +@Deprecated public class OptimisticNodeFactory<K, V> extends AbstractNodeFactory<K, V> { private LockStrategyFactory lockStrategyFactory; Modified: core/trunk/src/main/java/org/jboss/cache/optimistic/TransactionWorkspace.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/optimistic/TransactionWorkspace.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/optimistic/TransactionWorkspace.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -21,8 +21,9 @@ * * @author Manik Surtani (<a href="mailto:manik@jboss.org">manik@jboss.org</a>) * @author Steve Woodcock (<a href="mailto:stevew@jofti.com">stevew@jofti.com</a>) + * @deprecated will be removed along with optimistic and pessimistic locking. */ - +@Deprecated public interface TransactionWorkspace<K, V> { /** Modified: core/trunk/src/main/java/org/jboss/cache/optimistic/TransactionWorkspaceImpl.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/optimistic/TransactionWorkspaceImpl.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/optimistic/TransactionWorkspaceImpl.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -19,7 +19,9 @@ * * @author Manik Surtani (<a href="mailto:manik@jboss.org">manik@jboss.org</a>) * @author Steve Woodcock (<a href="mailto:stevew@jofti.com">stevew@jofti.com</a>) + * @deprecated will be removed along with optimistic and pessimistic locking. */ +@Deprecated public class TransactionWorkspaceImpl<K, V> implements TransactionWorkspace<K, V> { Modified: core/trunk/src/main/java/org/jboss/cache/optimistic/WorkspaceNode.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/optimistic/WorkspaceNode.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/optimistic/WorkspaceNode.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -24,7 +24,9 @@ * @author Manik Surtani (<a href="mailto:manik@jboss.org">manik@jboss.org</a>) * @author Steve Woodcock (<a href="mailto:stevew@jofti.com">stevew@jofti.com</a>) * @since 1.3.0 + * @deprecated will be removed along with optimistic and pessimistic locking. */ +@Deprecated public interface WorkspaceNode<K, V>// extends Node<K, V> { Fqn getFqn(); Modified: core/trunk/src/main/java/org/jboss/cache/optimistic/WorkspaceNodeImpl.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/optimistic/WorkspaceNodeImpl.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/optimistic/WorkspaceNodeImpl.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -32,7 +32,9 @@ * * @author Manik Surtani (<a href="mailto:manik@jboss.org">manik@jboss.org</a>) * @author Steve Woodcock (<a href="mailto:stevew@jofti.com">stevew@jofti.com</a>) + * @deprecated will be removed along with optimistic and pessimistic locking. */ +@Deprecated public class WorkspaceNodeImpl<K, V> extends AbstractNode<K, V> implements WorkspaceNode<K, V> { @@ -215,7 +217,7 @@ private void initialiseChildMap() { Map<Object, Node<K, V>> childrenMap = node.getChildrenMapDirect(); - this.optimisticChildNodeMap = childrenMap == null ? new HashMap() : new HashMap(childrenMap); + this.optimisticChildNodeMap = new HashMap(childrenMap); } private void realPut(Map<K, V> data, boolean eraseData) Modified: core/trunk/src/main/java/org/jboss/cache/transaction/OptimisticTransactionContext.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/transaction/OptimisticTransactionContext.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/transaction/OptimisticTransactionContext.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -19,8 +19,9 @@ * * @author <a href="mailto:manik@jboss.org">Manik Surtani (manik(a)jboss.org)&lt;/a&gt; * @author <a href="mailto:stevew@jofti.com">Steve Woodcock (stevew(a)jofti.com)&lt;/a&gt; + * @deprecated will be removed along with optimistic and pessimistic locking. */ - +@Deprecated public class OptimisticTransactionContext extends PessimisticTransactionContext { private TransactionWorkspace transactionWorkSpace = new TransactionWorkspaceImpl(); Modified: core/trunk/src/main/java/org/jboss/cache/transaction/PessimisticTransactionContext.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/transaction/PessimisticTransactionContext.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/transaction/PessimisticTransactionContext.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -38,7 +38,9 @@ * @author <a href="mailto:bela@jboss.org">Bela Ban</a> * @author Manik Surtani * @version $Revision$ + * @deprecated will be removed along with optimistic and pessimistic locking. */ +@Deprecated public class PessimisticTransactionContext implements TransactionContext { Modified: core/trunk/src/main/java/org/jboss/cache/util/concurrent/SelfInitializingConcurrentHashMap.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/util/concurrent/SelfInitializingConcurrentHashMap.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/main/java/org/jboss/cache/util/concurrent/SelfInitializingConcurrentHashMap.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -1,7 +1,5 @@ package org.jboss.cache.util.concurrent; -import org.jboss.cache.UnversionedNode; - import java.util.Collection; import java.util.Collections; import java.util.Map; @@ -18,44 +16,8 @@ */ public class SelfInitializingConcurrentHashMap<K, V> implements ConcurrentMap<K, V> { - static boolean DEBUG = false; // TODO remove this - private volatile ConcurrentMap<K, V> delegate; -// private int initialCapacity = -1, concurrencyLevel = -1; -// private float loadFactor = -1; - /** - * Creates a new delegate map and will use a default constructor to initialize the {@link java.util.concurrent.ConcurrentMap} - * it will eventually delegate to. - */ - public SelfInitializingConcurrentHashMap() - { - - } - - /** - * Creates a new delegate map and will use the params passed in to initialize the {@link java.util.concurrent.ConcurrentMap} - * it will eventually delegate to. - * - * @param initialCapacity the initial capacity. The implementation - * performs internal sizing to accommodate this many elements. - * @param loadFactor the load factor threshold, used to control resizing. - * Resizing may be performed when the average number of elements per - * bin exceeds this threshold. - * @param concurrencyLevel the estimated number of concurrently - * updating threads. The implementation performs internal sizing - * to try to accommodate this many threads. - * @throws IllegalArgumentException if the initial capacity is - * negative or the load factor or concurrencyLevel are - * nonpositive. - */ -// public SelfInitializingConcurrentHashMap(int initialCapacity, float loadFactor, int concurrencyLevel) -// { -// this.initialCapacity = initialCapacity; -// this.loadFactor = loadFactor; -// this.concurrencyLevel = concurrencyLevel; -// } - // -------------- initialization methods and helpers ---------------------- private ConcurrentMap<K, V> getDelegate() { @@ -66,27 +28,13 @@ private synchronized void init() { // Reminiscent of DCL but the delegate here is volatile so construction reordering should not affect. - if (delegate == null) - { - delegate = new ConcurrentHashMap<K, V>(4, 0.75f, 4); - // hard-coded for node child maps for now - -// if (initialCapacity == -1 || concurrencyLevel == -1 || loadFactor == -1) -// { -// delegate = new ConcurrentHashMap<K, V>(); -// } -// else -// { -// delegate = new ConcurrentHashMap<K, V>(initialCapacity, loadFactor, concurrencyLevel); -// } - } + if (delegate == null) delegate = new ConcurrentHashMap<K, V>(4, 0.75f, 4); } // -------------- Public API methods that will trigger initialization ---------------------- public final V put(K key, V value) { - if (DEBUG) if (value instanceof UnversionedNode) throw new RuntimeException(); return getDelegate().put(key, value); } @@ -102,19 +50,16 @@ public final V putIfAbsent(K key, V value) { - if (DEBUG) if (value instanceof UnversionedNode) throw new RuntimeException(); return getDelegate().putIfAbsent(key, value); } public final boolean replace(K key, V oldValue, V newValue) { - if (DEBUG) if (oldValue instanceof UnversionedNode) throw new RuntimeException(); return getDelegate().replace(key, oldValue, newValue); } public final V replace(K key, V value) { - if (DEBUG) if (value instanceof UnversionedNode) throw new RuntimeException(); return getDelegate().replace(key, value); } @@ -157,19 +102,19 @@ public final Set<K> keySet() { - if (delegate == null) return Collections.emptySet(); + if (delegate == null || delegate.isEmpty()) return Collections.emptySet(); return delegate.keySet(); } public final Collection<V> values() { - if (delegate == null) return Collections.emptySet(); + if (delegate == null || delegate.isEmpty()) return Collections.emptySet(); return delegate.values(); } public final Set<Entry<K, V>> entrySet() { - if (delegate == null) return Collections.emptySet(); + if (delegate == null || delegate.isEmpty()) return Collections.emptySet(); return delegate.entrySet(); } Modified: core/trunk/src/test/java/org/jboss/cache/mock/NodeSpiMock.java =================================================================== --- core/trunk/src/test/java/org/jboss/cache/mock/NodeSpiMock.java 2008-07-31 09:23:24 UTC (rev 6459) +++ core/trunk/src/test/java/org/jboss/cache/mock/NodeSpiMock.java 2008-07-31 11:07:45 UTC (rev 6460) @@ -5,7 +5,6 @@ import org.jboss.cache.Fqn; import org.jboss.cache.InternalNode; import org.jboss.cache.Node; -import org.jboss.cache.NodeFactory; import org.jboss.cache.NodeSPI; import org.jboss.cache.invocation.InvocationContext; import org.jboss.cache.lock.NodeLock; @@ -301,12 +300,12 @@ throw new UnsupportedOperationException(); } - public void markForUpdate(InvocationContext ctx, DataContainer container, NodeFactory nodeFactory, boolean writeSkewCheck) + public void markForUpdate(DataContainer container, boolean writeSkewCheck) { throw new UnsupportedOperationException(); } - public void commitUpdate(InvocationContext ctx, DataContainer container, NodeFactory nodeFactory) + public void commitUpdate(InvocationContext ctx, DataContainer container) { throw new UnsupportedOperationException(); }