[jbosscache-commits] JBoss Cache SVN: r6901 - in core/branches/flat/src: main/java/org/jboss/starobrno/commands/read and 10 other directories.

Author: manik.surtani(a)jboss.com Date: 2008-10-10 05:43:27 -0400 (Fri, 10 Oct 2008) New Revision: 6901 Added: core/branches/flat/src/test/java/org/jboss/starobrno/api/CacheAPITest.java core/branches/flat/src/test/java/org/jboss/starobrno/api/CacheSPITest.java core/branches/flat/src/test/java/org/jboss/starobrno/api/batch/AbstractBatchTest.java core/branches/flat/src/test/java/org/jboss/starobrno/api/batch/BatchWithTM.java core/branches/flat/src/test/java/org/jboss/starobrno/api/batch/BatchWithoutTM.java core/branches/flat/src/test/java/org/jboss/starobrno/api/mvcc/LockAssert.java core/branches/flat/src/test/java/org/jboss/starobrno/api/mvcc/LockTestBase.java core/branches/flat/src/test/java/org/jboss/starobrno/api/mvcc/read_committed/CacheAPIMVCCTest.java core/branches/flat/src/test/java/org/jboss/starobrno/api/mvcc/read_committed/ReadCommittedLockTest.java core/branches/flat/src/test/java/org/jboss/starobrno/api/mvcc/repeatable_read/CacheAPIMVCCTest.java core/branches/flat/src/test/java/org/jboss/starobrno/api/mvcc/repeatable_read/RepeatableReadLockTest.java core/branches/flat/src/test/java/org/jboss/starobrno/api/mvcc/repeatable_read/WriteSkewTest.java Modified: core/branches/flat/src/main/java/org/jboss/cache/transaction/DummyBaseTransactionManager.java core/branches/flat/src/main/java/org/jboss/starobrno/commands/read/AbstractDataCommand.java core/branches/flat/src/main/java/org/jboss/starobrno/commands/read/GetKeyValueCommand.java core/branches/flat/src/main/java/org/jboss/starobrno/commands/write/EvictCommand.java core/branches/flat/src/main/java/org/jboss/starobrno/container/MVCCEntryCreator.java core/branches/flat/src/main/java/org/jboss/starobrno/container/ReadCommittedEntry.java core/branches/flat/src/main/java/org/jboss/starobrno/context/EntryLookup.java core/branches/flat/src/main/java/org/jboss/starobrno/context/InvocationContext.java core/branches/flat/src/main/java/org/jboss/starobrno/context/InvocationContextImpl.java core/branches/flat/src/main/java/org/jboss/starobrno/context/TransactionContextImpl.java core/branches/flat/src/main/java/org/jboss/starobrno/interceptors/InterceptorChain.java core/branches/flat/src/main/java/org/jboss/starobrno/interceptors/InvocationContextInterceptor.java core/branches/flat/src/main/java/org/jboss/starobrno/interceptors/LockingInterceptor.java core/branches/flat/src/main/java/org/jboss/starobrno/interceptors/TxInterceptor.java core/branches/flat/src/main/java/org/jboss/starobrno/notifications/NotifierImpl.java Log: Fixed stuff Modified: core/branches/flat/src/main/java/org/jboss/cache/transaction/DummyBaseTransactionManager.java =================================================================== --- core/branches/flat/src/main/java/org/jboss/cache/transaction/DummyBaseTransactionManager.java 2008-10-10 08:18:13 UTC (rev 6900) +++ core/branches/flat/src/main/java/org/jboss/cache/transaction/DummyBaseTransactionManager.java 2008-10-10 09:43:27 UTC (rev 6901) @@ -21,6 +21,9 @@ */ package org.jboss.cache.transaction; +import org.apache.commons.logging.Log; +import org.apache.commons.logging.LogFactory; + import javax.transaction.HeuristicMixedException; import javax.transaction.HeuristicRollbackException; import javax.transaction.InvalidTransactionException; @@ -41,6 +44,8 @@ { static ThreadLocal<Transaction> thread_local = new ThreadLocal<Transaction>(); private static final long serialVersionUID = -6716097342564237376l; + private static final Log log = LogFactory.getLog(DummyBaseTransactionManager.class); + private static final boolean trace = log.isTraceEnabled(); /** * Starts a new transaction, and associate it with the calling thread. @@ -214,6 +219,7 @@ { Transaction retval = getTransaction(); setTransaction(null); + if (trace) log.trace("Suspending tx " + retval); return retval; } @@ -233,6 +239,7 @@ */ public void resume(Transaction tx) throws InvalidTransactionException, IllegalStateException, SystemException { + if (trace) log.trace("Resuming tx " + tx); setTransaction(tx); } Modified: core/branches/flat/src/main/java/org/jboss/starobrno/commands/read/AbstractDataCommand.java =================================================================== --- core/branches/flat/src/main/java/org/jboss/starobrno/commands/read/AbstractDataCommand.java 2008-10-10 08:18:13 UTC (rev 6900) +++ core/branches/flat/src/main/java/org/jboss/starobrno/commands/read/AbstractDataCommand.java 2008-10-10 09:43:27 UTC (rev 6901) @@ -76,4 +76,12 @@ { return (key != null ? key.hashCode() : 0); } + + + public String toString() + { + return getClass().getSimpleName() + "{" + + "key=" + key + + '}'; + } } Modified: core/branches/flat/src/main/java/org/jboss/starobrno/commands/read/GetKeyValueCommand.java =================================================================== --- core/branches/flat/src/main/java/org/jboss/starobrno/commands/read/GetKeyValueCommand.java 2008-10-10 08:18:13 UTC (rev 6900) +++ core/branches/flat/src/main/java/org/jboss/starobrno/commands/read/GetKeyValueCommand.java 2008-10-10 09:43:27 UTC (rev 6901) @@ -61,7 +61,7 @@ MVCCEntry entry = ctx.lookupEntry(key); if (entry == null || entry.isNullEntry()) { - if (trace) log.trace("Node not found"); + if (trace) log.trace("Entry not found"); return null; } if (entry.isDeleted()) Modified: core/branches/flat/src/main/java/org/jboss/starobrno/commands/write/EvictCommand.java =================================================================== --- core/branches/flat/src/main/java/org/jboss/starobrno/commands/write/EvictCommand.java 2008-10-10 08:18:13 UTC (rev 6900) +++ core/branches/flat/src/main/java/org/jboss/starobrno/commands/write/EvictCommand.java 2008-10-10 09:43:27 UTC (rev 6901) @@ -62,12 +62,4 @@ { return METHOD_ID; } - - - public String toString() - { - return "AbstractDataCommand{" + - "key=" + key + - '}'; - } } Modified: core/branches/flat/src/main/java/org/jboss/starobrno/container/MVCCEntryCreator.java =================================================================== --- core/branches/flat/src/main/java/org/jboss/starobrno/container/MVCCEntryCreator.java 2008-10-10 08:18:13 UTC (rev 6900) +++ core/branches/flat/src/main/java/org/jboss/starobrno/container/MVCCEntryCreator.java 2008-10-10 09:43:27 UTC (rev 6901) @@ -79,7 +79,7 @@ MVCCEntry mvccEntry; if (forceWriteLock) { - if (trace) log.trace("Forcing lock on reading key " + key); + if (trace) log.trace("Forcing lock on reading"); return wrapEntryForWriting(ctx, key, false, false); } else if ((mvccEntry = ctx.lookupEntry(key)) == null) @@ -88,12 +88,12 @@ // simple implementation. Peek the node, wrap it, put wrapped node in the context. Object value = container.get(key); mvccEntry = entryFactory.createWrappedEntry(key, value, false); - if (mvccEntry != null && putInContext) ctx.putLookedUpEntry(mvccEntry); + if (mvccEntry != null && putInContext) ctx.putLookedUpEntry(key, mvccEntry); return mvccEntry; } else { - if (trace) log.trace("Key " + key + " is already in context."); + if (trace) log.trace("Key is already in context"); return mvccEntry; } } @@ -110,7 +110,7 @@ // create a copy of the underlying node mvccEntry.copyForUpdate(container, writeSkewCheck); } - if (trace) log.trace("Retrieving wrapped node " + key); + if (trace) log.trace("Exists in context."); if (mvccEntry.isDeleted() && createIfAbsent) { if (trace) log.trace("Node is deleted in current scope. Need to un-delete."); @@ -124,21 +124,23 @@ Object value = container.get(key); if (value != null) { + if (trace) log.trace("Retrieved from container."); // exists in cache! Just acquire lock if needed, and wrap. // do we need a lock? boolean needToCopy = false; if (acquireLock(ctx, key)) needToCopy = true; mvccEntry = entryFactory.createWrappedEntry(key, value, false); - ctx.putLookedUpEntry(mvccEntry); + ctx.putLookedUpEntry(key, mvccEntry); if (needToCopy) mvccEntry.copyForUpdate(container, writeSkewCheck); } else if (createIfAbsent) // else, do we need to create one? { + if (trace) log.trace("Creating new entry."); // now to lock and create the node. Lock first to prevent concurrent creation! acquireLock(ctx, key); mvccEntry = entryFactory.createWrappedEntry(key, value, true); mvccEntry.setCreated(true); - ctx.putLookedUpEntry(mvccEntry); + ctx.putLookedUpEntry(key, mvccEntry); mvccEntry.copyForUpdate(container, writeSkewCheck); } } Modified: core/branches/flat/src/main/java/org/jboss/starobrno/container/ReadCommittedEntry.java =================================================================== --- core/branches/flat/src/main/java/org/jboss/starobrno/container/ReadCommittedEntry.java 2008-10-10 08:18:13 UTC (rev 6900) +++ core/branches/flat/src/main/java/org/jboss/starobrno/container/ReadCommittedEntry.java 2008-10-10 09:43:27 UTC (rev 6901) @@ -202,4 +202,17 @@ else unsetFlag(DELETED); } + + public String toString() + { + return getClass().getSimpleName() + "(" + System.identityHashCode(this) + "){" + + "key=" + key + + ", value=" + value + + ", oldValue=" + oldValue + + ", isCreated=" + isCreated() + + ", isChanged=" + isChanged() + + ", isDeleted=" + isDeleted() + + ", isValid=" + isValid() + + '}'; + } } \ No newline at end of file Modified: core/branches/flat/src/main/java/org/jboss/starobrno/context/EntryLookup.java =================================================================== --- core/branches/flat/src/main/java/org/jboss/starobrno/context/EntryLookup.java 2008-10-10 08:18:13 UTC (rev 6900) +++ core/branches/flat/src/main/java/org/jboss/starobrno/context/EntryLookup.java 2008-10-10 09:43:27 UTC (rev 6901) @@ -24,7 +24,6 @@ import org.jboss.starobrno.container.MVCCEntry; import java.util.Map; -import java.util.Set; /** * // TODO: MANIK: Document this @@ -38,9 +37,9 @@ Map<Object, MVCCEntry> getLookedUpEntries(); - void putLookedUpEntry(MVCCEntry e); + void putLookedUpEntry(Object key, MVCCEntry e); - void putLookedUpEntries(Set<MVCCEntry> lookedUpEntries); + void putLookedUpEntries(Map<Object, MVCCEntry> lookedUpEntries); void clearLookedUpEntries(); } Modified: core/branches/flat/src/main/java/org/jboss/starobrno/context/InvocationContext.java =================================================================== --- core/branches/flat/src/main/java/org/jboss/starobrno/context/InvocationContext.java 2008-10-10 08:18:13 UTC (rev 6900) +++ core/branches/flat/src/main/java/org/jboss/starobrno/context/InvocationContext.java 2008-10-10 09:43:27 UTC (rev 6901) @@ -21,7 +21,6 @@ */ package org.jboss.starobrno.context; -import org.jboss.starobrno.commands.VisitableCommand; import org.jboss.starobrno.config.Option; import org.jboss.starobrno.transaction.GlobalTransaction; @@ -84,10 +83,6 @@ long getLockAcquisitionTimeout(long timeout); - void setCommand(VisitableCommand cacheCommand); - - VisitableCommand getCommand(); - boolean isValidTransaction(); void throwIfNeeded(Throwable e) throws Throwable; Modified: core/branches/flat/src/main/java/org/jboss/starobrno/context/InvocationContextImpl.java =================================================================== --- core/branches/flat/src/main/java/org/jboss/starobrno/context/InvocationContextImpl.java 2008-10-10 08:18:13 UTC (rev 6900) +++ core/branches/flat/src/main/java/org/jboss/starobrno/context/InvocationContextImpl.java 2008-10-10 09:43:27 UTC (rev 6901) @@ -24,7 +24,6 @@ import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.jboss.cache.util.Immutables; -import org.jboss.starobrno.commands.VisitableCommand; import org.jboss.starobrno.config.Option; import org.jboss.starobrno.container.MVCCEntry; import org.jboss.starobrno.transaction.GlobalTransaction; @@ -36,7 +35,6 @@ import java.util.LinkedHashSet; import java.util.List; import java.util.Map; -import java.util.Set; /** * // TODO: MANIK: Document this @@ -51,13 +49,11 @@ private Transaction transaction; private GlobalTransaction globalTransaction; - protected TransactionContext transactionContext; + protected volatile TransactionContext transactionContext; private Option optionOverrides; // defaults to true. private boolean originLocal = true; private boolean localRollbackOnly; - @Deprecated - private VisitableCommand command; /** * LinkedHashSet of locks acquired by the invocation. We use a LinkedHashSet because we need efficient Set semantics @@ -80,8 +76,14 @@ */ public MVCCEntry lookupEntry(Object k) { - if (transactionContext != null) return transactionContext.lookupEntry(k); - return lookedUpEntries == null ? null : lookedUpEntries.get(k); + if (transactionContext != null) + { + return transactionContext.lookupEntry(k); + } + else + { + return lookedUpEntries == null ? null : lookedUpEntries.get(k); + } } /** @@ -90,21 +92,20 @@ * If a transaction is in progress, implementations should delegate to {@link org.jboss.cache.transaction.MVCCTransactionContext#putLookedUpNode(Fqn, NodeSPI)} * <p/> * - * @param f fqn to add - * @param n node to add + * @param key */ - public void putLookedUpEntry(MVCCEntry e) + public void putLookedUpEntry(Object key, MVCCEntry e) { if (transactionContext != null) - transactionContext.putLookedUpEntry(e); + transactionContext.putLookedUpEntry(key, e); else { if (lookedUpEntries == null) lookedUpEntries = new HashMap<Object, MVCCEntry>(4); - lookedUpEntries.put(e.getKey(), e); + lookedUpEntries.put(key, e); } } - public void putLookedUpEntries(Set<MVCCEntry> lookedUpEntries) + public void putLookedUpEntries(Map<Object, MVCCEntry> lookedUpEntries) { if (transactionContext != null) transactionContext.putLookedUpEntries(lookedUpEntries); @@ -113,20 +114,15 @@ if (this.lookedUpEntries == null) this.lookedUpEntries = new HashMap<Object, MVCCEntry>(); - for (MVCCEntry e : lookedUpEntries) this.lookedUpEntries.put(e.getKey(), e); + this.lookedUpEntries.putAll(lookedUpEntries); } } /** * Clears the registry of looked up nodes. - * <p/> - * If a transaction is in progress, implementations should delegate to {@link org.jboss.cache.transaction.MVCCTransactionContext#clearLookedUpNodes()}. */ public void clearLookedUpEntries() { -// if (transactionContext != null) -// transactionContext.clearLookedUpEntries(); -// else if (lookedUpEntries != null) lookedUpEntries.clear(); if (lookedUpEntries != null) lookedUpEntries.clear(); } @@ -452,7 +448,6 @@ optionOverrides = null; originLocal = true; invocationLocks = null; - command = null; if (lookedUpEntries != null) { lookedUpEntries.clear(); @@ -498,31 +493,6 @@ } /** - * This is only used for backward compatibility with old interceptors implementation and should <b>NOT</b> be - * use by any new custom interceptors. The commands is now passed in as the second param in each implementing - * handlers (handler = method in ChainedInterceptor class) - * - * @param cacheCommand command to set - */ - @Deprecated - @SuppressWarnings("deprecation") - public void setCommand(VisitableCommand cacheCommand) - { - this.command = cacheCommand; - } - - /** - * @return command that is in scope - * @see #setCommand(org.jboss.cache.commands.VisitableCommand) - */ - @Deprecated - @SuppressWarnings("deprecation") - public VisitableCommand getCommand() - { - return command; - } - - /** * @return true if there is current transaction associated with the invocation, and this transaction is in a valid state. */ public boolean isValidTransaction() @@ -555,7 +525,6 @@ protected void doCopy(InvocationContext c) { InvocationContextImpl copy = (InvocationContextImpl) c; - copy.command = command; copy.globalTransaction = globalTransaction; copy.invocationLocks = invocationLocks == null ? null : new LinkedHashSet(invocationLocks); copy.localRollbackOnly = localRollbackOnly; Modified: core/branches/flat/src/main/java/org/jboss/starobrno/context/TransactionContextImpl.java =================================================================== --- core/branches/flat/src/main/java/org/jboss/starobrno/context/TransactionContextImpl.java 2008-10-10 08:18:13 UTC (rev 6900) +++ core/branches/flat/src/main/java/org/jboss/starobrno/context/TransactionContextImpl.java 2008-10-10 09:43:27 UTC (rev 6901) @@ -37,7 +37,6 @@ import java.util.LinkedList; import java.util.List; import java.util.Map; -import java.util.Set; /** * A transaction context specially geared to dealing with MVCC. @@ -116,12 +115,11 @@ * would delegate to this method if a transaction is in scope. * <p/> * - * @param f fqn to add - * @param n node to add + * @param key */ - public void putLookedUpEntry(MVCCEntry entry) + public void putLookedUpEntry(Object key, MVCCEntry entry) { - lookedUpEntries.put(entry.getKey(), entry); + lookedUpEntries.put(key, entry); } /** @@ -162,9 +160,9 @@ lookedUpEntries.clear(); } - public void putLookedUpEntries(Set<MVCCEntry> entries) + public void putLookedUpEntries(Map<Object, MVCCEntry> entries) { - for (MVCCEntry e : entries) lookedUpEntries.put(e.getKey(), e); + lookedUpEntries.putAll(entries); } public void addModification(VisitableCommand command) @@ -291,7 +289,7 @@ public String toString() { StringBuilder sb = new StringBuilder(); - sb.append("TransactionEntry\nmodificationList: ").append(modificationList); + sb.append("TransactionContext (" + System.identityHashCode(this) + ") nmodificationList: ").append(modificationList); return sb.toString(); } Modified: core/branches/flat/src/main/java/org/jboss/starobrno/interceptors/InterceptorChain.java =================================================================== --- core/branches/flat/src/main/java/org/jboss/starobrno/interceptors/InterceptorChain.java 2008-10-10 08:18:13 UTC (rev 6900) +++ core/branches/flat/src/main/java/org/jboss/starobrno/interceptors/InterceptorChain.java 2008-10-10 09:43:27 UTC (rev 6901) @@ -259,7 +259,6 @@ @SuppressWarnings("deprecation") public Object invoke(InvocationContext ctx, VisitableCommand command) { - ctx.setCommand(command); try { return command.acceptVisitor(ctx, firstInChain); Modified: core/branches/flat/src/main/java/org/jboss/starobrno/interceptors/InvocationContextInterceptor.java =================================================================== --- core/branches/flat/src/main/java/org/jboss/starobrno/interceptors/InvocationContextInterceptor.java 2008-10-10 08:18:13 UTC (rev 6900) +++ core/branches/flat/src/main/java/org/jboss/starobrno/interceptors/InvocationContextInterceptor.java 2008-10-10 09:43:27 UTC (rev 6901) @@ -60,7 +60,7 @@ @Override public Object visitPutKeyValueCommand(InvocationContext ctx, PutKeyValueCommand command) throws Throwable { - return handleAll(ctx, command, ctx.getGlobalTransaction(), false); + return handleAll(ctx, command, ctx.getGlobalTransaction(), true); } @Override @@ -102,7 +102,7 @@ @Override public Object handleDefault(InvocationContext ctx, VisitableCommand command) throws Throwable { - return handleAll(ctx, command, null, false); + return handleAll(ctx, command, null, true); } @SuppressWarnings("deprecation") @@ -199,9 +199,6 @@ } } - // reset the context to prevent leakage of internals - ctx.setCommand(null); - // TODO: Calling ctx.reset() here breaks stuff. Check whether this is just becuse UTs expect stuff in the ctx or whether this really breaks functionality. // ctx.reset(); // instead, for now, just wipe contents of the looked up node map Modified: core/branches/flat/src/main/java/org/jboss/starobrno/interceptors/LockingInterceptor.java =================================================================== --- core/branches/flat/src/main/java/org/jboss/starobrno/interceptors/LockingInterceptor.java 2008-10-10 08:18:13 UTC (rev 6900) +++ core/branches/flat/src/main/java/org/jboss/starobrno/interceptors/LockingInterceptor.java 2008-10-10 09:43:27 UTC (rev 6901) @@ -226,7 +226,7 @@ Set<Object> keysToRemove = new HashSet<Object>(); for (MVCCEntry e : ctx.getLookedUpEntries().values()) { - if (e.isChanged()) keysToRemove.add(e.getKey()); + if (!e.isChanged()) keysToRemove.add(e.getKey()); } for (Object k : keysToRemove) ctx.removeKeyLocked(k); } Modified: core/branches/flat/src/main/java/org/jboss/starobrno/interceptors/TxInterceptor.java =================================================================== --- core/branches/flat/src/main/java/org/jboss/starobrno/interceptors/TxInterceptor.java 2008-10-10 08:18:13 UTC (rev 6900) +++ core/branches/flat/src/main/java/org/jboss/starobrno/interceptors/TxInterceptor.java 2008-10-10 09:43:27 UTC (rev 6901) @@ -482,16 +482,7 @@ { GlobalTransaction gtx = ctx.getGlobalTransaction(); Object result; - VisitableCommand originalCommand = ctx.getCommand(); - ctx.setCommand(command); - try - { - result = invokeNextInterceptor(ctx, command); - } - finally - { - ctx.setCommand(originalCommand); - } + result = invokeNextInterceptor(ctx, command); if (log.isDebugEnabled()) log.debug("Finished local commit/rollback method for " + gtx); return result; } @@ -605,16 +596,7 @@ Transaction currentTransaction = txManager.getTransaction(); if (currentTransaction != null && ltx != null && currentTransaction.equals(ltx)) { - VisitableCommand originalCommand = ctx.getCommand(); - ctx.setCommand(prepareCommand); - try - { - result = invokeNextInterceptor(ctx, prepareCommand); - } - finally - { - ctx.setCommand(originalCommand); - } + result = invokeNextInterceptor(ctx, prepareCommand); } else { Modified: core/branches/flat/src/main/java/org/jboss/starobrno/notifications/NotifierImpl.java =================================================================== --- core/branches/flat/src/main/java/org/jboss/starobrno/notifications/NotifierImpl.java 2008-10-10 08:18:13 UTC (rev 6900) +++ core/branches/flat/src/main/java/org/jboss/starobrno/notifications/NotifierImpl.java 2008-10-10 09:43:27 UTC (rev 6901) @@ -35,7 +35,6 @@ import org.jboss.starobrno.CacheException; import org.jboss.starobrno.CacheSPI; import org.jboss.starobrno.config.Configuration; -import org.jboss.starobrno.container.MVCCEntry; import org.jboss.starobrno.context.InvocationContext; import org.jboss.starobrno.factories.annotations.Destroy; import org.jboss.starobrno.factories.annotations.Inject; @@ -638,10 +637,7 @@ { InvocationContext currentIC = cache.getInvocationContext(); backup.clearLookedUpEntries(); - for (MVCCEntry me : currentIC.getLookedUpEntries().values()) - { - backup.putLookedUpEntry(me); - } + backup.putLookedUpEntries(currentIC.getLookedUpEntries()); cache.setInvocationContext(backup); } @@ -658,10 +654,7 @@ cache.setInvocationContext(null); // get a new Invocation Context InvocationContext newContext = cache.getInvocationContext(); - for (MVCCEntry me : ctx.getLookedUpEntries().values()) - { - newContext.putLookedUpEntry(me); - } + newContext.putLookedUpEntries(ctx.getLookedUpEntries()); return ctx; } Added: core/branches/flat/src/test/java/org/jboss/starobrno/api/CacheAPITest.java =================================================================== --- core/branches/flat/src/test/java/org/jboss/starobrno/api/CacheAPITest.java (rev 0) +++ core/branches/flat/src/test/java/org/jboss/starobrno/api/CacheAPITest.java 2008-10-10 09:43:27 UTC (rev 6901) @@ -0,0 +1,154 @@ +package org.jboss.starobrno.api; + +import org.jboss.cache.CacheFactory; +import org.jboss.cache.DefaultCacheFactory; +import org.jboss.cache.transaction.GenericTransactionManagerLookup; +import org.jboss.starobrno.CacheSPI; +import org.jboss.starobrno.config.Configuration; +import org.jboss.starobrno.config.ConfigurationException; +import org.jboss.starobrno.util.TestingUtil; +import static org.testng.AssertJUnit.assertEquals; +import static org.testng.AssertJUnit.assertNull; +import org.testng.annotations.AfterMethod; +import org.testng.annotations.BeforeMethod; +import org.testng.annotations.Test; + +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +/** + * Tests the {@link org.jboss.cache.Cache} public API at a high level + * + * @author <a href="mailto:manik@jboss.org">Manik Surtani</a> + */ + +@Test(groups = {"functional", "pessimistic"}) +public class CacheAPITest +{ + private CacheSPI<String, String> cache; + final List<String> events = new ArrayList<String>(); + + @BeforeMethod(alwaysRun = true) + public void setUp() throws Exception + { + // start a single cache instance + CacheFactory<String, String> cf = new DefaultCacheFactory<String, String>(); + cache = (CacheSPI<String, String>) cf.createCache("configs/local-tx.xml", false); + cache.getConfiguration().setEvictionConfig(null); + configure(cache.getConfiguration()); + cache.start(); + events.clear(); + } + + protected void configure(Configuration c) + { + } + + + @AfterMethod(alwaysRun = true) + public void tearDown() + { + TestingUtil.killCaches(cache); + } + + /** + * Tests that the configuration contains the values expected, as well as immutability of certain elements + */ + public void testConfiguration() + { + Configuration c = cache.getConfiguration(); + assertEquals(Configuration.CacheMode.LOCAL, c.getCacheMode()); + assertEquals(GenericTransactionManagerLookup.class.getName(), c.getTransactionManagerLookupClass()); + + // note that certain values should be immutable. E.g., CacheMode cannot be changed on the fly. + try + { + c.setCacheMode(Configuration.CacheMode.REPL_SYNC); + assert false : "Should have thrown an Exception"; + } + catch (ConfigurationException e) + { + // expected + } + + // others should be changeable though. + c.setLockAcquisitionTimeout(100); + } + + public void testGetMembersInLocalMode() + { + assert cache.getRPCManager() == null : "Cache members should be null if running in LOCAL mode"; + } + + /** + * All cache operations should happen on a {@link Node} - I.e., you look up a {@link Node} and perform data operations + * on this {@link Node}. For convenience and familiarity with JBoss Cache 1.x, we provide some helpers in {@link Cache} + * which dives you direct data access to nodes. + * <p/> + * This test exercises these. + */ + public void testConvenienceMethods() + { + String key = "key", value = "value"; + Map<String, String> data = new HashMap<String, String>(); + data.put(key, value); + + assertNull(cache.get(key)); + + cache.put(key, value); + + assertEquals(value, cache.get(key)); + + cache.remove(key); + + assertNull(cache.get(key)); + + cache.putAll(data); + + assertEquals(value, cache.get(key)); + } + + /** + * Tests basic eviction + */ + public void testEvict() + { + String key1 = "keyOne", key2 = "keyTwo", value = "value"; + + cache.put(key1, value); + cache.put(key2, value); + + assert cache.containsKey(key1); + assert cache.containsKey(key2); + assert cache.size() == 2; + + // evict two + cache.evict(key2); + + assert cache.containsKey(key1); + assert !cache.containsKey(key2); + assert cache.size() == 1; + + cache.evict(key1); + + assert !cache.containsKey(key1); + assert !cache.containsKey(key2); + assert cache.size() == 0; + } + + public void testStopClearsData() throws Exception + { + String key = "key", value = "value"; + cache.put(key, value); + assert cache.get(key).equals(value); + assert 1 == cache.size(); + cache.stop(); + + cache.start(); + + assert !cache.containsKey(key); + assert cache.isEmpty(); + } +} Added: core/branches/flat/src/test/java/org/jboss/starobrno/api/CacheSPITest.java =================================================================== --- core/branches/flat/src/test/java/org/jboss/starobrno/api/CacheSPITest.java (rev 0) +++ core/branches/flat/src/test/java/org/jboss/starobrno/api/CacheSPITest.java 2008-10-10 09:43:27 UTC (rev 6901) @@ -0,0 +1,97 @@ +package org.jboss.starobrno.api; + +import org.jboss.cache.DefaultCacheFactory; +import org.jboss.starobrno.CacheSPI; +import org.jboss.starobrno.config.Configuration; +import org.jboss.starobrno.config.Configuration.CacheMode; +import org.jboss.starobrno.util.TestingUtil; +import org.jboss.starobrno.util.internals.ViewChangeListener; +import org.testng.annotations.AfterMethod; +import org.testng.annotations.BeforeMethod; +import org.testng.annotations.Test; + +import java.util.List; +import java.util.concurrent.TimeUnit; + +@Test(groups = {"functional", "pessimistic"}) +public class CacheSPITest +{ + private CacheSPI<Object, Object> cache1; + private CacheSPI<Object, Object> cache2; + + @BeforeMethod(alwaysRun = true) + public void setUp() throws Exception + { + + Configuration conf1 = new Configuration(); + conf1.setCacheMode(CacheMode.REPL_SYNC); + + Configuration conf2 = conf1.clone(); + + cache1 = (CacheSPI<Object, Object>) new DefaultCacheFactory<Object, Object>().createCache(conf1, false); + cache2 = (CacheSPI<Object, Object>) new DefaultCacheFactory<Object, Object>().createCache(conf2, false); + } + + @AfterMethod(alwaysRun = true) + public void tearDown() throws Exception + { + if (cache1 != null) + { + try + { + cache1.stop(); + } + catch (Exception e) + { + } + } + + if (cache2 != null) + { + try + { + cache2.stop(); + } + catch (Exception e) + { + } + } + } + + public void testGetMembers() throws Exception + { + cache1.start(); + List memb1 = cache1.getRPCManager().getMembers(); + assert 1 == memb1.size(); + + Object coord = memb1.get(0); + + cache2.start(); + memb1 = cache1.getRPCManager().getMembers(); + TestingUtil.blockUntilViewsReceived(5000, false, cache1, cache2); + List memb2 = cache2.getRPCManager().getMembers(); + assert 2 == memb1.size(); + assert memb1 == memb2; + + cache1.stop(); + TestingUtil.blockUntilViewsReceived(5000, false, cache2); + memb2 = cache2.getRPCManager().getMembers(); + assert 1 == memb2.size(); + assert !coord.equals(memb2.get(0)); + } + + public void testIsCoordinator() throws Exception + { + cache1.start(); + assert cache1.getRPCManager().isCoordinator(); + + cache2.start(); + assert cache1.getRPCManager().isCoordinator(); + assert !cache2.getRPCManager().isCoordinator(); + ViewChangeListener viewChangeListener = new ViewChangeListener(cache2); + cache1.stop(); + // wait till cache2 gets the view change notification + assert viewChangeListener.waitForViewChange(60, TimeUnit.SECONDS) : "Should have received a view change!"; + assert cache2.getRPCManager().isCoordinator(); + } +} \ No newline at end of file Added: core/branches/flat/src/test/java/org/jboss/starobrno/api/batch/AbstractBatchTest.java =================================================================== --- core/branches/flat/src/test/java/org/jboss/starobrno/api/batch/AbstractBatchTest.java (rev 0) +++ core/branches/flat/src/test/java/org/jboss/starobrno/api/batch/AbstractBatchTest.java 2008-10-10 09:43:27 UTC (rev 6901) @@ -0,0 +1,24 @@ +package org.jboss.starobrno.api.batch; + +import org.jboss.starobrno.Cache; + +import java.util.concurrent.atomic.AtomicReference; + +public abstract class AbstractBatchTest +{ + protected String getOnDifferentThread(final Cache<String, String> cache, final String key) throws InterruptedException + { + final AtomicReference<String> ref = new AtomicReference<String>(); + Thread t = new Thread() + { + public void run() + { + ref.set(cache.get(key)); + } + }; + + t.start(); + t.join(); + return ref.get(); + } +} Added: core/branches/flat/src/test/java/org/jboss/starobrno/api/batch/BatchWithTM.java =================================================================== --- core/branches/flat/src/test/java/org/jboss/starobrno/api/batch/BatchWithTM.java (rev 0) +++ core/branches/flat/src/test/java/org/jboss/starobrno/api/batch/BatchWithTM.java 2008-10-10 09:43:27 UTC (rev 6901) @@ -0,0 +1,123 @@ +package org.jboss.starobrno.api.batch; + +import org.jboss.cache.CacheFactory; +import org.jboss.cache.DefaultCacheFactory; +import org.jboss.cache.transaction.DummyTransactionManagerLookup; +import org.jboss.starobrno.Cache; +import org.jboss.starobrno.config.Configuration; +import org.jboss.starobrno.util.TestingUtil; +import org.testng.annotations.Test; + +import javax.transaction.TransactionManager; + + +@Test(groups = {"functional", "transaction"}) +public class BatchWithTM extends AbstractBatchTest +{ + public void testBatchWithOngoingTM() throws Exception + { + Cache<String, String> cache = null; + try + { + cache = createCache(); + TransactionManager tm = getTransactionManager(cache); + tm.begin(); + cache.put("k", "v"); + cache.startBatch(); + cache.put("k2", "v2"); + tm.commit(); + + assert "v".equals(cache.get("k")); + assert "v2".equals(cache.get("k2")); + + cache.endBatch(false); // should be a no op + assert "v".equals(cache.get("k")); + assert "v2".equals(cache.get("k2")); + } + finally + { + TestingUtil.killCaches(cache); + } + } + + public void testBatchWithoutOngoingTMSuspension() throws Exception + { + Cache<String, String> cache = null; + try + { + cache = createCache(); + TransactionManager tm = getTransactionManager(cache); + assert tm.getTransaction() == null : "Should have no ongoing txs"; + cache.startBatch(); + cache.put("k", "v"); + assert tm.getTransaction() == null : "Should have no ongoing txs"; + cache.put("k2", "v2"); + + assert getOnDifferentThread(cache, "k") == null; + assert getOnDifferentThread(cache, "k2") == null; + + try + { + tm.commit(); // should have no effect + } + catch (Exception e) + { + // the TM may barf here ... this is OK. + } + + assert tm.getTransaction() == null : "Should have no ongoing txs"; + + assert getOnDifferentThread(cache, "k") == null; + assert getOnDifferentThread(cache, "k2") == null; + + cache.endBatch(true); // should be a no op + + assert "v".equals(getOnDifferentThread(cache, "k")); + assert "v2".equals(getOnDifferentThread(cache, "k2")); + } + finally + { + TestingUtil.killCaches(cache); + } + } + + public void testBatchRollback() throws Exception + { + Cache<String, String> cache = null; + try + { + cache = createCache(); + TransactionManager tm = getTransactionManager(cache); + cache.startBatch(); + cache.put("k", "v"); + cache.put("k2", "v2"); + + assert getOnDifferentThread(cache, "k") == null; + assert getOnDifferentThread(cache, "k2") == null; + + cache.endBatch(false); + + assert getOnDifferentThread(cache, "k") == null; + assert getOnDifferentThread(cache, "k2") == null; + } + finally + { + TestingUtil.killCaches(cache); + } + } + + private TransactionManager getTransactionManager(Cache<String, String> c) + { + return c.getConfiguration().getRuntimeConfig().getTransactionManager(); + } + + private Cache<String, String> createCache() + { + CacheFactory<String, String> cf = new DefaultCacheFactory<String, String>(); + Configuration c = new Configuration(); + c.setTransactionManagerLookupClass(DummyTransactionManagerLookup.class.getName()); + c.setInvocationBatchingEnabled(true); + assert c.getTransactionManagerLookupClass() != null : "Should have a transaction manager lookup class attached!!"; + return cf.createCache(c); + } +} Added: core/branches/flat/src/test/java/org/jboss/starobrno/api/batch/BatchWithoutTM.java =================================================================== --- core/branches/flat/src/test/java/org/jboss/starobrno/api/batch/BatchWithoutTM.java (rev 0) +++ core/branches/flat/src/test/java/org/jboss/starobrno/api/batch/BatchWithoutTM.java 2008-10-10 09:43:27 UTC (rev 6901) @@ -0,0 +1,144 @@ +package org.jboss.starobrno.api.batch; + +import org.jboss.cache.CacheFactory; +import org.jboss.cache.DefaultCacheFactory; +import org.jboss.starobrno.Cache; +import org.jboss.starobrno.config.Configuration; +import org.jboss.starobrno.config.ConfigurationException; +import org.jboss.starobrno.util.TestingUtil; +import org.testng.annotations.Test; + +@Test(groups = "functional") +public class BatchWithoutTM extends AbstractBatchTest +{ + public void testBatchWithoutCfg() + { + Cache<String, String> cache = null; + try + { + cache = createCache(false); + try + { + cache.startBatch(); + assert false : "Should have failed"; + } + catch (ConfigurationException good) + { + // do nothing + } + + try + { + cache.endBatch(true); + assert false : "Should have failed"; + } + catch (ConfigurationException good) + { + // do nothing + } + + try + { + cache.endBatch(false); + assert false : "Should have failed"; + } + catch (ConfigurationException good) + { + // do nothing + } + } + finally + { + TestingUtil.killCaches(cache); + } + } + + public void testEndBatchWithoutStartBatch() + { + Cache<String, String> cache = null; + try + { + cache = createCache(true); + cache.endBatch(true); + cache.endBatch(false); + // should not fail. + } + finally + { + TestingUtil.killCaches(cache); + } + } + + public void testStartBatchIdempotency() + { + Cache<String, String> cache = null; + try + { + cache = createCache(true); + cache.startBatch(); + cache.put("k", "v"); + cache.startBatch(); // again + cache.put("k2", "v2"); + cache.endBatch(true); + + assert "v".equals(cache.get("k")); + assert "v2".equals(cache.get("k2")); + } + finally + { + TestingUtil.killCaches(cache); + } + } + + public void testBatchVisibility() throws InterruptedException + { + Cache<String, String> cache = null; + try + { + cache = createCache(true); + cache.startBatch(); + cache.put("k", "v"); + assert getOnDifferentThread(cache, "k") == null : "Other thread should not see batch update till batch completes!"; + + cache.endBatch(true); + + assert "v".equals(getOnDifferentThread(cache, "k")); + } + finally + { + TestingUtil.killCaches(cache); + } + } + + public void testBatchRollback() throws Exception + { + Cache<String, String> cache = null; + try + { + cache = createCache(true); + cache.startBatch(); + cache.put("k", "v"); + cache.put("k2", "v2"); + + assert getOnDifferentThread(cache, "k") == null; + assert getOnDifferentThread(cache, "k2") == null; + + cache.endBatch(false); + + assert getOnDifferentThread(cache, "k") == null; + assert getOnDifferentThread(cache, "k2") == null; + } + finally + { + TestingUtil.killCaches(cache); + } + } + + private Cache<String, String> createCache(boolean enableBatch) + { + CacheFactory<String, String> cf = new DefaultCacheFactory<String, String>(); + Configuration c = new Configuration(); + c.setInvocationBatchingEnabled(enableBatch); + return cf.createCache(c); + } +} Added: core/branches/flat/src/test/java/org/jboss/starobrno/api/mvcc/LockAssert.java =================================================================== --- core/branches/flat/src/test/java/org/jboss/starobrno/api/mvcc/LockAssert.java (rev 0) +++ core/branches/flat/src/test/java/org/jboss/starobrno/api/mvcc/LockAssert.java 2008-10-10 09:43:27 UTC (rev 6901) @@ -0,0 +1,35 @@ +package org.jboss.starobrno.api.mvcc; + +import org.jboss.cache.util.concurrent.locks.LockContainer; +import org.jboss.starobrno.invocation.InvocationContextContainer; +import org.jboss.starobrno.lock.LockManager; +import org.jboss.starobrno.util.TestingUtil; + +/** + * Helper class to assert lock status in MVCC + * + * @author Manik Surtani (<a href="mailto:manik@jboss.org">manik@jboss.org</a>) + * @since 3.0 + */ +public class LockAssert +{ + public static void assertLocked(Object key, LockManager lockManager, InvocationContextContainer icc) + { + assert lockManager.isLocked(key) : key + " not locked!"; +// assert icc.get().getKeysLocked().contains(key) : "Lock not recorded for " + key; + } + + public static void assertNotLocked(Object key, InvocationContextContainer icc) + { + // can't rely on the negative test since other nodes may share the same lock with lock striping. +// assert !lockManager.isLocked(fqn) : fqn + " is locked!"; + assert !icc.get().getKeysLocked().contains(key) : key + " lock recorded!"; + } + + public static void assertNoLocks(LockManager lockManager, InvocationContextContainer icc) + { + LockContainer lc = (LockContainer) TestingUtil.extractField(lockManager, "lockContainer"); + assert lc.getNumLocksHeld() == 0 : "Stale locks exist! NumLocksHeld is " + lc.getNumLocksHeld() + " and lock info is " + lockManager.printLockInfo(); + assert icc.get().getKeysLocked().isEmpty() : "Stale (?) locks recorded! " + icc.get().getKeysLocked(); + } +} Added: core/branches/flat/src/test/java/org/jboss/starobrno/api/mvcc/LockTestBase.java =================================================================== --- core/branches/flat/src/test/java/org/jboss/starobrno/api/mvcc/LockTestBase.java (rev 0) +++ core/branches/flat/src/test/java/org/jboss/starobrno/api/mvcc/LockTestBase.java 2008-10-10 09:43:27 UTC (rev 6901) @@ -0,0 +1,301 @@ +package org.jboss.starobrno.api.mvcc; + +import org.apache.commons.logging.Log; +import org.apache.commons.logging.LogFactory; +import org.jboss.cache.DefaultCacheFactory; +import org.jboss.cache.lock.IsolationLevel; +import org.jboss.cache.lock.TimeoutException; +import org.jboss.cache.transaction.DummyTransactionManagerLookup; +import org.jboss.starobrno.Cache; +import org.jboss.starobrno.config.Configuration; +import org.jboss.starobrno.invocation.InvocationContextContainer; +import org.jboss.starobrno.lock.LockManager; +import org.jboss.starobrno.util.TestingUtil; +import org.testng.annotations.AfterMethod; +import org.testng.annotations.BeforeMethod; +import org.testng.annotations.Test; + +import javax.transaction.Transaction; +import javax.transaction.TransactionManager; +import java.util.Collections; + +/** + * @author Manik Surtani (<a href="mailto:manik@jboss.org">manik@jboss.org</a>) + * @since 3.0 + */ +@Test(groups = {"functional", "mvcc"}) +public abstract class LockTestBase +{ + protected Cache<String, String> cache; + protected TransactionManager tm; + protected LockManager lockManager; + protected InvocationContextContainer icc; + protected boolean repeatableRead = true; + protected boolean lockParentForChildInsertRemove = false; + private Log log = LogFactory.getLog(LockTestBase.class); + + + @BeforeMethod + public void setUp() + { + cache = new DefaultCacheFactory<String, String>().createCache(new Configuration(), false); + cache.getConfiguration().setTransactionManagerLookupClass(DummyTransactionManagerLookup.class.getName()); + cache.getConfiguration().setIsolationLevel(repeatableRead ? IsolationLevel.REPEATABLE_READ : IsolationLevel.READ_COMMITTED); + cache.getConfiguration().setLockParentForChildInsertRemove(lockParentForChildInsertRemove); + // reduce lock acquisition timeout so this doesn't take forever to run + cache.getConfiguration().setLockAcquisitionTimeout(200); // 200 ms + cache.start(); + lockManager = TestingUtil.extractComponentRegistry(cache).getComponent(LockManager.class); + icc = TestingUtil.extractComponentRegistry(cache).getComponent(InvocationContextContainer.class); + tm = TestingUtil.extractComponentRegistry(cache).getComponent(TransactionManager.class); + } + + @AfterMethod + public void tearDown() + { + log.debug("**** - STARTING TEARDOWN - ****"); + TestingUtil.killCaches(cache); + } + + protected void assertLocked(Object key) + { + LockAssert.assertLocked(key, lockManager, icc); + } + + protected void assertNotLocked(Object key) + { + LockAssert.assertNotLocked(key, icc); + } + + protected void assertNoLocks() + { + LockAssert.assertNoLocks(lockManager, icc); + } + + public void testLocksOnPutKeyVal() throws Exception + { + tm.begin(); + cache.put("k", "v"); + assertLocked("k"); + tm.commit(); + + assertNoLocks(); + + tm.begin(); + assert cache.get("k").equals("v"); + assertNotLocked("k"); + tm.commit(); + + assertNoLocks(); + + tm.begin(); + cache.remove("k"); + assertLocked("k"); + tm.commit(); + + assertNoLocks(); + } + + public void testLocksOnPutData() throws Exception + { + tm.begin(); + cache.putAll(Collections.singletonMap("k", "v")); + assertLocked("k"); + assert "v".equals(cache.get("k")); + tm.commit(); + + assertNoLocks(); + + tm.begin(); + assert "v".equals(cache.get("k")); + assertNoLocks(); + tm.commit(); + + assertNoLocks(); + } + + public void testLocksOnEvictNode() throws Exception + { + // init some data on a node + cache.putAll(Collections.singletonMap("k", "v")); + + assert "v".equals(cache.get("k")); + + tm.begin(); + cache.evict("k"); + assertLocked("k"); + tm.commit(); + assert !cache.containsKey("k") : "Should not exist"; + assertNoLocks(); + } + + public void testLocksOnRemoveNonexistentNode() throws Exception + { + assert !cache.containsKey("k") : "Should not exist"; + + tm.begin(); + cache.remove("k"); + assertLocked("k"); + tm.commit(); + assert !cache.containsKey("k") : "Should not exist"; + assertNoLocks(); + } + + public void testLocksOnEvictNonexistentNode() throws Exception + { + assert !cache.containsKey("k") : "Should not exist"; + + tm.begin(); + cache.evict("k"); + assertLocked("k"); + tm.commit(); + assert !cache.containsKey("k") : "Should not exist"; + assertNoLocks(); + } + + public void testLocksOnRemoveData() throws Exception + { + // init some data on a node + cache.put("k", "v"); + cache.put("k2", "v2"); + + assert "v".equals(cache.get("k")); + assert "v2".equals(cache.get("k2")); + + // remove + tm.begin(); + cache.clear(); + assertLocked("k"); + assertLocked("k2"); + tm.commit(); + + assert cache.isEmpty(); + assertNoLocks(); + } + + public void testWriteDoesntBlockRead() throws Exception + { + cache.put("k", "v"); + + // start a write. + tm.begin(); + cache.put("k2", "v2"); + assertLocked("k2"); + Transaction write = tm.suspend(); + + // now start a read and confirm that the write doesn't block it. + tm.begin(); + assert "v".equals(cache.get("k")); + assert null == cache.get("k2") : "Should not see uncommitted changes"; + Transaction read = tm.suspend(); + + // commit the write + tm.resume(write); + tm.commit(); + + assertNoLocks(); + + tm.resume(read); + if (repeatableRead) + assert null == cache.get("k2") : "Should have repeatable read"; + else + assert "v2".equals(cache.get("k2")) : "Read committed should see committed changes"; + tm.commit(); + assertNoLocks(); + } + + public void testWriteDoesntBlockReadNonexistent() throws Exception + { + // start a write. + tm.begin(); + cache.put("k", "v"); + assertLocked("k"); + Transaction write = tm.suspend(); + + // now start a read and confirm that the write doesn't block it. + tm.begin(); + assert null == cache.get("k") : "Should not see uncommitted changes"; + Transaction read = tm.suspend(); + + // commit the write + tm.resume(write); + tm.commit(); + + assertNoLocks(); + + tm.resume(read); + if (repeatableRead) + { + assert null == cache.get("k") : "Should have repeatable read"; + } + else + { + assert "v".equals(cache.get("k")) : "Read committed should see committed changes"; + } + tm.commit(); + assertNoLocks(); + } + + public void testConcurrentWriters() throws Exception + { + tm.begin(); + cache.put("k", "v"); + Transaction t1 = tm.suspend(); + + tm.begin(); + try + { + cache.put("k", "v"); + assert false : "Should fail lock acquisition"; + } + catch (TimeoutException expected) + { +// expected.printStackTrace(); // for debugging + } + tm.commit(); + tm.resume(t1); + tm.commit(); + assertNoLocks(); + } + + public void testRollbacks() throws Exception + { + cache.put("k", "v"); + tm.begin(); + assert "v".equals(cache.get("k")); + Transaction reader = tm.suspend(); + + tm.begin(); + cache.put("k", "v2"); + tm.rollback(); + + tm.resume(reader); + Object value = cache.get("k"); + assert "v".equals(value) : "Expecting 'v' but was " + value; + tm.commit(); + + // even after commit + assert "v".equals(cache.get("k")); + assertNoLocks(); + } + + public void testRollbacksOnNullNode() throws Exception + { + tm.begin(); + assert null == cache.get("k"); + Transaction reader = tm.suspend(); + + tm.begin(); + cache.put("k", "v"); + assert "v".equals(cache.get("k")); + tm.rollback(); + + tm.resume(reader); + assert null == cache.get("k") : "Expecting null but was " + cache.get("k"); + tm.commit(); + + // even after commit + assert null == cache.get("k"); + assertNoLocks(); + } +} Added: core/branches/flat/src/test/java/org/jboss/starobrno/api/mvcc/read_committed/CacheAPIMVCCTest.java =================================================================== --- core/branches/flat/src/test/java/org/jboss/starobrno/api/mvcc/read_committed/CacheAPIMVCCTest.java (rev 0) +++ core/branches/flat/src/test/java/org/jboss/starobrno/api/mvcc/read_committed/CacheAPIMVCCTest.java 2008-10-10 09:43:27 UTC (rev 6901) @@ -0,0 +1,20 @@ +package org.jboss.starobrno.api.mvcc.read_committed; + +import org.jboss.cache.lock.IsolationLevel; +import org.jboss.starobrno.api.CacheAPITest; +import org.jboss.starobrno.config.Configuration; +import org.testng.annotations.Test; + +/** + * MVCC version of {@link org.jboss.cache.api.CacheAPITest} + */ +@Test(groups = {"functional", "mvcc"}) +public class CacheAPIMVCCTest extends CacheAPITest +{ + @Override + protected void configure(Configuration c) + { + super.configure(c); + c.setIsolationLevel(IsolationLevel.READ_COMMITTED); + } +} \ No newline at end of file Added: core/branches/flat/src/test/java/org/jboss/starobrno/api/mvcc/read_committed/ReadCommittedLockTest.java =================================================================== --- core/branches/flat/src/test/java/org/jboss/starobrno/api/mvcc/read_committed/ReadCommittedLockTest.java (rev 0) +++ core/branches/flat/src/test/java/org/jboss/starobrno/api/mvcc/read_committed/ReadCommittedLockTest.java 2008-10-10 09:43:27 UTC (rev 6901) @@ -0,0 +1,13 @@ +package org.jboss.starobrno.api.mvcc.read_committed; + +import org.jboss.starobrno.api.mvcc.LockTestBase; +import org.testng.annotations.Test; + +@Test(groups = {"functional", "mvcc"}) +public class ReadCommittedLockTest extends LockTestBase +{ + public ReadCommittedLockTest() + { + repeatableRead = false; + } +} Added: core/branches/flat/src/test/java/org/jboss/starobrno/api/mvcc/repeatable_read/CacheAPIMVCCTest.java =================================================================== --- core/branches/flat/src/test/java/org/jboss/starobrno/api/mvcc/repeatable_read/CacheAPIMVCCTest.java (rev 0) +++ core/branches/flat/src/test/java/org/jboss/starobrno/api/mvcc/repeatable_read/CacheAPIMVCCTest.java 2008-10-10 09:43:27 UTC (rev 6901) @@ -0,0 +1,20 @@ +package org.jboss.starobrno.api.mvcc.repeatable_read; + +import org.jboss.cache.lock.IsolationLevel; +import org.jboss.starobrno.api.CacheAPITest; +import org.jboss.starobrno.config.Configuration; +import org.testng.annotations.Test; + +/** + * MVCC version of {@link org.jboss.cache.api.CacheAPITest} + */ +@Test(groups = {"functional", "mvcc"}) +public class CacheAPIMVCCTest extends CacheAPITest +{ + @Override + protected void configure(Configuration c) + { + super.configure(c); + c.setIsolationLevel(IsolationLevel.REPEATABLE_READ); + } +} \ No newline at end of file Added: core/branches/flat/src/test/java/org/jboss/starobrno/api/mvcc/repeatable_read/RepeatableReadLockTest.java =================================================================== --- core/branches/flat/src/test/java/org/jboss/starobrno/api/mvcc/repeatable_read/RepeatableReadLockTest.java (rev 0) +++ core/branches/flat/src/test/java/org/jboss/starobrno/api/mvcc/repeatable_read/RepeatableReadLockTest.java 2008-10-10 09:43:27 UTC (rev 6901) @@ -0,0 +1,90 @@ +package org.jboss.starobrno.api.mvcc.repeatable_read; + +import org.jboss.starobrno.api.mvcc.LockTestBase; +import org.testng.annotations.Test; + +import javax.transaction.Transaction; + +@Test(groups = {"functional", "mvcc"}) +public class RepeatableReadLockTest extends LockTestBase +{ + public RepeatableReadLockTest() + { + repeatableRead = true; + } + + public void testRepeatableReadWithRemove() throws Exception + { + cache.put("k", "v"); + + tm.begin(); + assert cache.get("k") != null; + Transaction reader = tm.suspend(); + + tm.begin(); + assert cache.remove("k") != null; + assert cache.get("k") == null; + tm.commit(); + + assert cache.get("k") == null; + + tm.resume(reader); + assert cache.get("k") != null; + assert "v".equals(cache.get("k")); + tm.commit(); + + assert cache.get("k") == null; + assertNoLocks(); + } + + public void testRepeatableReadWithEvict() throws Exception + { + cache.put("k", "v"); + + tm.begin(); + assert cache.get("k") != null; + Transaction reader = tm.suspend(); + + tm.begin(); + cache.evict("k"); + assert cache.get("k") == null; + tm.commit(); + + assert cache.get("k") == null; + + tm.resume(reader); + assert cache.get("k") != null; + assert "v".equals(cache.get("k")); + tm.commit(); + + assert cache.get("k") == null; + assertNoLocks(); + } + + public void testRepeatableReadWithNull() throws Exception + { + assert cache.get("k") == null; + + tm.begin(); + assert cache.get("k") == null; + Transaction reader = tm.suspend(); + + tm.begin(); + cache.put("k", "v"); + assert cache.get("k") != null; + assert "v".equals(cache.get("k")); + tm.commit(); + + assert cache.get("k") != null; + assert "v".equals(cache.get("k")); + + tm.resume(reader); + Object o = cache.get("k"); + assert o == null : "found value " + o; + tm.commit(); + + assert cache.get("k") != null; + assert "v".equals(cache.get("k")); + assertNoLocks(); + } +} Added: core/branches/flat/src/test/java/org/jboss/starobrno/api/mvcc/repeatable_read/WriteSkewTest.java =================================================================== --- core/branches/flat/src/test/java/org/jboss/starobrno/api/mvcc/repeatable_read/WriteSkewTest.java (rev 0) +++ core/branches/flat/src/test/java/org/jboss/starobrno/api/mvcc/repeatable_read/WriteSkewTest.java 2008-10-10 09:43:27 UTC (rev 6901) @@ -0,0 +1,191 @@ +package org.jboss.starobrno.api.mvcc.repeatable_read; + +import org.jboss.cache.DefaultCacheFactory; +import org.jboss.cache.lock.IsolationLevel; +import org.jboss.cache.transaction.DummyTransactionManagerLookup; +import org.jboss.starobrno.Cache; +import org.jboss.starobrno.api.mvcc.LockAssert; +import org.jboss.starobrno.config.Configuration; +import org.jboss.starobrno.invocation.InvocationContextContainer; +import org.jboss.starobrno.lock.LockManager; +import org.jboss.starobrno.util.TestingUtil; +import org.testng.annotations.AfterMethod; +import org.testng.annotations.BeforeMethod; +import org.testng.annotations.Test; + +import javax.transaction.SystemException; +import javax.transaction.TransactionManager; +import java.util.Collection; +import java.util.HashSet; +import java.util.Set; +import java.util.concurrent.CountDownLatch; + +@Test(groups = {"functional", "mvcc"}) +public class WriteSkewTest +{ + protected Cache<String, String> cache; + protected TransactionManager tm; + protected LockManager lockManager; + protected InvocationContextContainer icc; + protected boolean repeatableRead = true; + + @BeforeMethod + public void setUp() + { + cache = new DefaultCacheFactory<String, String>().createCache(new Configuration(), false); + cache.getConfiguration().setTransactionManagerLookupClass(DummyTransactionManagerLookup.class.getName()); + cache.getConfiguration().setIsolationLevel(repeatableRead ? IsolationLevel.REPEATABLE_READ : IsolationLevel.READ_COMMITTED); + // reduce lock acquisition timeout so this doesn't take forever to run + cache.getConfiguration().setLockAcquisitionTimeout(200); // 200 ms + } + + @AfterMethod + public void tearDown() + { + TestingUtil.killCaches(cache); + } + + private void postStart() + { + lockManager = TestingUtil.extractComponentRegistry(cache).getComponent(LockManager.class); + icc = TestingUtil.extractComponentRegistry(cache).getComponent(InvocationContextContainer.class); + tm = TestingUtil.extractComponentRegistry(cache).getComponent(TransactionManager.class); + } + + protected void assertNoLocks() + { + LockAssert.assertNoLocks(lockManager, icc); + } + + public void testDontCheckWriteSkew() throws Exception + { + cache.getConfiguration().setWriteSkewCheck(false); + cache.start(); + postStart(); + doTest(true); + } + + public void testCheckWriteSkew() throws Exception + { + cache.getConfiguration().setWriteSkewCheck(true); + cache.start(); + postStart(); + doTest(false); + } + + private void doTest(final boolean allowWriteSkew) throws Exception + { + if (repeatableRead) + { + cache.put("k", "v"); + final Set<Exception> w1exceptions = new HashSet<Exception>(); + final Set<Exception> w2exceptions = new HashSet<Exception>(); + final CountDownLatch w1Signal = new CountDownLatch(1); + final CountDownLatch w2Signal = new CountDownLatch(1); + final CountDownLatch threadSignal = new CountDownLatch(2); + + Thread w1 = new Thread("Writer-1") + { + public void run() + { + boolean didCoundDown = false; + try + { + tm.begin(); + assert "v".equals(cache.get("k")); + threadSignal.countDown(); + didCoundDown = true; + w1Signal.await(); + cache.put("k", "v2"); + tm.commit(); + } + catch (Exception e) + { + w1exceptions.add(e); + } + finally + { + if (!didCoundDown) threadSignal.countDown(); + } + } + }; + + Thread w2 = new Thread("Writer-2") + { + public void run() + { + boolean didCoundDown = false; + try + { + tm.begin(); + assert "v".equals(cache.get("k")); + threadSignal.countDown(); + didCoundDown = true; + w2Signal.await(); + cache.put("k", "v3"); + tm.commit(); + } + catch (Exception e) + { + w2exceptions.add(e); + // the exception will be thrown when doing a cache.put(). We should make sure we roll back the tx to release locks. + if (!allowWriteSkew) + { + try + { + tm.rollback(); + } + catch (SystemException e1) + { + // do nothing. + } + } + } + finally + { + if (!didCoundDown) threadSignal.countDown(); + } + } + }; + + w1.start(); + w2.start(); + + threadSignal.await(); + // now. both txs have read. + // let tx1 start writing + w1Signal.countDown(); + w1.join(); + + w2Signal.countDown(); + w2.join(); + + if (allowWriteSkew) + { + // should have no exceptions!! + throwExceptions(w1exceptions, w2exceptions); + assert w2exceptions.size() == 0; + assert w1exceptions.size() == 0; + assert "v3".equals(cache.get("k")) : "W2 should have overwritten W1's work!"; + } + else + { + // there should be a single exception from w2. + assert w2exceptions.size() == 1; + throwExceptions(w1exceptions); + assert w1exceptions.size() == 0; + assert "v2".equals(cache.get("k")) : "W2 should NOT have overwritten W1's work!"; + } + + assertNoLocks(); + } + } + + private void throwExceptions(Collection<Exception>... exceptions) throws Exception + { + for (Collection<Exception> ce : exceptions) + { + for (Exception e : ce) throw e; + } + } +}