[exo-jcr-commits] exo-jcr SVN: r1376 - jcr/branches/1.12.0-JBCCACHE/exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/core/lock.

do-not-reply at jboss.org do-not-reply at jboss.org
Wed Jan 13 08:52:15 EST 2010


Author: sergiykarpenko
Date: 2010-01-13 08:52:14 -0500 (Wed, 13 Jan 2010)
New Revision: 1376

Removed:
   jcr/branches/1.12.0-JBCCACHE/exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/core/lock/CacheableLockManager.java
Log:
EXOJCR-332: CacheableLockManager removed


Deleted: jcr/branches/1.12.0-JBCCACHE/exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/core/lock/CacheableLockManager.java
===================================================================
--- jcr/branches/1.12.0-JBCCACHE/exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/core/lock/CacheableLockManager.java	2010-01-13 13:33:22 UTC (rev 1375)
+++ jcr/branches/1.12.0-JBCCACHE/exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/core/lock/CacheableLockManager.java	2010-01-13 13:52:14 UTC (rev 1376)
@@ -1,844 +0,0 @@
-/*
- * Copyright (C) 2003-2010 eXo Platform SAS.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Affero General Public License
- * as published by the Free Software Foundation; either version 3
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see<http://www.gnu.org/licenses/>.
- */
-package org.exoplatform.services.jcr.impl.core.lock;
-
-import org.exoplatform.management.annotations.Managed;
-import org.exoplatform.management.annotations.ManagedDescription;
-import org.exoplatform.management.jmx.annotations.NameTemplate;
-import org.exoplatform.management.jmx.annotations.Property;
-import org.exoplatform.services.jcr.access.SystemIdentity;
-import org.exoplatform.services.jcr.config.RepositoryConfigurationException;
-import org.exoplatform.services.jcr.config.WorkspaceEntry;
-import org.exoplatform.services.jcr.core.ExtendedSession;
-import org.exoplatform.services.jcr.dataflow.ChangesLogIterator;
-import org.exoplatform.services.jcr.dataflow.CompositeChangesLog;
-import org.exoplatform.services.jcr.dataflow.DataManager;
-import org.exoplatform.services.jcr.dataflow.ItemState;
-import org.exoplatform.services.jcr.dataflow.ItemStateChangesLog;
-import org.exoplatform.services.jcr.dataflow.PlainChangesLog;
-import org.exoplatform.services.jcr.dataflow.PlainChangesLogImpl;
-import org.exoplatform.services.jcr.dataflow.TransactionChangesLog;
-import org.exoplatform.services.jcr.datamodel.InternalQName;
-import org.exoplatform.services.jcr.datamodel.ItemData;
-import org.exoplatform.services.jcr.datamodel.NodeData;
-import org.exoplatform.services.jcr.datamodel.PropertyData;
-import org.exoplatform.services.jcr.datamodel.QPathEntry;
-import org.exoplatform.services.jcr.datamodel.ValueData;
-import org.exoplatform.services.jcr.impl.Constants;
-import org.exoplatform.services.jcr.impl.core.NodeImpl;
-import org.exoplatform.services.jcr.impl.core.SessionImpl;
-import org.exoplatform.services.jcr.impl.dataflow.AbstractValueData;
-import org.exoplatform.services.jcr.impl.dataflow.TransientItemData;
-import org.exoplatform.services.jcr.impl.dataflow.TransientPropertyData;
-import org.exoplatform.services.jcr.impl.dataflow.persistent.WorkspacePersistentDataManager;
-import org.exoplatform.services.jcr.impl.dataflow.persistent.jbosscache.BufferedJBossCache;
-import org.exoplatform.services.jcr.observation.ExtendedEvent;
-import org.exoplatform.services.jcr.util.IdGenerator;
-import org.exoplatform.services.log.ExoLogger;
-import org.exoplatform.services.log.Log;
-import org.jboss.cache.CacheFactory;
-import org.jboss.cache.DefaultCacheFactory;
-
-import java.io.IOException;
-import java.io.Serializable;
-import java.io.UnsupportedEncodingException;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Map;
-
-import javax.jcr.AccessDeniedException;
-import javax.jcr.RepositoryException;
-import javax.jcr.UnsupportedRepositoryOperationException;
-import javax.jcr.lock.Lock;
-import javax.jcr.lock.LockException;
-
-/**
- * Created by The eXo Platform SAS.
- * 
- * <br/>Date: 
- *
- * @author <a href="karpenko.sergiy at gmail.com">Karpenko Sergiy</a> 
- * @version $Id: CacheableLockManager.java 111 2008-11-11 11:11:11Z serg $
- */
- at Managed
- at NameTemplate(@Property(key = "service", value = "lockmanager"))
-public class CacheableLockManager extends LockManagerImpl
-{
-
-   /**
-    * Default lock time out. 30min
-    */
-   public static final long DEFAULT_LOCK_TIMEOUT = 1000 * 60 * 30;
-
-   // Search constants
-   /**
-    * The exact lock token.
-    */
-   private static final int SEARCH_EXECMATCH = 1;
-
-   /**
-    * Lock token of closed parent
-    */
-   private static final int SEARCH_CLOSEDPARENT = 2;
-
-   /**
-    * Lock token of closed child
-    */
-   private static final int SEARCH_CLOSEDCHILD = 4;
-
-   /**
-    * Path to jbosscache-configuration
-    */
-   public static final String JBOSSCACHE_CONFIG = "jbosscache-configuration";
-
-   /**
-    * Logger
-    */
-   private final Log log = ExoLogger.getLogger("jcr.lock.LockManager");
-
-   /**
-    * Map NodeIdentifier -- lockData
-    */
-   private final Map<String, LockData> locks;
-
-   /**
-    * Data manager.
-    */
-   private final DataManager dataManager;
-
-   /**
-    * Map NodeIdentifier -- lockData
-    */
-   private final Map<String, LockData> pendingLocks;
-
-   /**
-    * Map lockToken --lockData
-    */
-   private final Map<String, LockData> tokensMap;
-
-   /**
-    * Run time lock time out.
-    */
-   private long lockTimeOut;
-
-   /**
-    * Lock remover thread.
-    */
-   private LockRemover lockRemover;
-
-   /**
-    * Lock persister instance.
-    */
-   private final LockPersister persister;
-
-   private BufferedJBossCache cache;
-
-   /**
-    * Constructor for workspace without LockPersister
-    * 
-    * @param dataManager
-    * @param config
-    */
-   public CacheableLockManager(WorkspacePersistentDataManager dataManager, WorkspaceEntry config)
-      throws RepositoryConfigurationException
-   {
-      this(dataManager, config, null);
-   }
-
-   public CacheableLockManager(WorkspacePersistentDataManager dataManager, WorkspaceEntry config,
-      LockPersister persister) throws RepositoryConfigurationException
-   {
-      super(dataManager, config, null);
-      this.dataManager = dataManager;
-      this.persister = persister;
-      if (config.getLockManager() != null)
-      {
-         lockTimeOut =
-            config.getLockManager().getTimeout() > 0 ? config.getLockManager().getTimeout() : DEFAULT_LOCK_TIMEOUT;
-      }
-      else
-         lockTimeOut = DEFAULT_LOCK_TIMEOUT;
-
-      locks = new HashMap<String, LockData>();
-      pendingLocks = new HashMap<String, LockData>();
-      tokensMap = new HashMap<String, LockData>();
-
-      dataManager.addItemPersistenceListener(this);
-
-      CacheFactory<Serializable, Object> factory = new DefaultCacheFactory<Serializable, Object>();
-      this.cache = new BufferedJBossCache(factory.createCache(readJBCConfig(config), false));
-
-      //      cache.create();
-
-   }
-
-   protected static String readJBCConfig(final WorkspaceEntry wsConfig) throws RepositoryConfigurationException
-   {
-      if (wsConfig.getLockManager() != null)
-      {
-         return wsConfig.getLockManager().getCacheConfig();
-      }
-      else
-      {
-         throw new RepositoryConfigurationException("Cache configuration not found");
-      }
-   }
-
-   /*
-    * (non-Javadoc)
-    * @see
-    * org.exoplatform.services.jcr.impl.core.lock.LockManager#lockTokenAdded(org.exoplatform.services
-    * .jcr.impl.core.SessionImpl, java.lang.String)
-    */
-   public synchronized void addLockToken(String sessionId, String lt)
-   {
-      LockData currLock = tokensMap.get(lt);
-      if (currLock != null)
-      {
-         currLock.addLockHolder(sessionId);
-      }
-   }
-
-   /*
-    * (non-Javadoc)
-    * @see
-    * org.exoplatform.services.jcr.impl.core.lock.LockManager#addPendingLock(org.exoplatform.services
-    * .jcr.impl.core.NodeImpl, boolean, boolean, long)
-    */
-   public synchronized Lock addPendingLock(NodeImpl node, boolean isDeep, boolean isSessionScoped, long timeOut)
-      throws LockException
-   {
-      LockData lData = getLockData((NodeData)node.getData(), SEARCH_EXECMATCH | SEARCH_CLOSEDPARENT);
-      if (lData != null)
-      {
-         if (lData.getNodeIdentifier().equals(node.getInternalIdentifier()))
-         {
-            throw new LockException("Node already locked: " + node.getData().getQPath());
-         }
-         else if (lData.isDeep())
-         {
-            throw new LockException("Parent node has deep lock.");
-         }
-      }
-
-      if (isDeep && getLockData((NodeData)node.getData(), SEARCH_CLOSEDCHILD) != null)
-      {
-         throw new LockException("Some child node is locked.");
-      }
-
-      String lockToken = IdGenerator.generate();
-      lData =
-         new LockData(node.getInternalIdentifier(), lockToken, isDeep, isSessionScoped, node.getSession().getUserID(),
-            timeOut > 0 ? timeOut : lockTimeOut);
-
-      lData.addLockHolder(node.getSession().getId());
-      pendingLocks.put(node.getInternalIdentifier(), lData);
-      tokensMap.put(lockToken, lData);
-
-      LockImpl lock = new LockImpl(node.getSession(), lData);
-      return lock;
-   }
-
-   /*
-    * (non-Javadoc)
-    * @see
-    * org.exoplatform.services.jcr.impl.core.lock.LockManager#getLock(org.exoplatform.services.jcr
-    * .impl.core.NodeImpl)
-    */
-   public LockImpl getLock(NodeImpl node) throws LockException, RepositoryException
-   {
-
-      LockData lData = getLockData((NodeData)node.getData(), SEARCH_EXECMATCH | SEARCH_CLOSEDPARENT);
-
-      if (lData == null || (!node.getInternalIdentifier().equals(lData.getNodeIdentifier()) && !lData.isDeep()))
-      {
-         throw new LockException("Node not locked: " + node.getData().getQPath());
-
-      }
-      return new LockImpl(node.getSession(), lData);
-   }
-
-   /*
-    * (non-Javadoc)
-    * @see org.exoplatform.services.jcr.impl.core.lock.LockManager#getLockTokens(java.lang.String)
-    */
-   public synchronized String[] getLockTokens(String sessionID)
-   {
-      List<String> retval = new ArrayList<String>();
-
-      for (LockData lockData : locks.values())
-      {
-         if (lockData.isLockHolder(sessionID))
-            retval.add(lockData.getLockToken(sessionID));
-
-      }
-      return retval.toArray(new String[retval.size()]);
-   }
-
-   /*
-    * (non-Javadoc)
-    * @see
-    * org.exoplatform.services.jcr.impl.core.lock.LockManager#holdsLock(org.exoplatform.services.
-    * jcr.impl.core.NodeImpl)
-    */
-   public boolean holdsLock(NodeData node) throws RepositoryException
-   {
-      return getLockData(node, SEARCH_EXECMATCH) != null;
-   }
-
-   /*
-    * (non-Javadoc)
-    * @see
-    * org.exoplatform.services.jcr.impl.core.lock.LockManager#isLocked(org.exoplatform.services.jcr
-    * .datamodel.NodeData)
-    */
-   public boolean isLocked(NodeData node)
-   {
-      LockData lData = getLockData(node, SEARCH_EXECMATCH | SEARCH_CLOSEDPARENT);
-
-      if (lData == null || (!node.getIdentifier().equals(lData.getNodeIdentifier()) && !lData.isDeep()))
-      {
-         return false;
-      }
-      return true;
-   }
-
-   /*
-    * (non-Javadoc)
-    * @see
-    * org.exoplatform.services.jcr.impl.core.lock.LockManager#isLockHolder(org.exoplatform.services
-    * .jcr.impl.core.NodeImpl)
-    */
-   public boolean isLockHolder(NodeImpl node) throws RepositoryException
-   {
-      LockData lData = getLockData((NodeData)node.getData(), SEARCH_EXECMATCH | SEARCH_CLOSEDPARENT);
-      return lData != null && lData.isLockHolder(node.getSession().getId());
-   }
-
-   /*
-    * (non-Javadoc)
-    * @see
-    * org.exoplatform.services.jcr.core.SessionLifecycleListener#onCloseSession(org.exoplatform.services
-    * .jcr.core.ExtendedSession)
-    */
-   public synchronized void onCloseSession(ExtendedSession session)
-   {
-      // List<String> deadLocksList = new ArrayList<String>();
-      SessionImpl sessionImpl = (SessionImpl)session;
-      for (Iterator<Map.Entry<String, LockData>> entries = locks.entrySet().iterator(); entries.hasNext();)
-      {
-         Map.Entry<String, LockData> entry = entries.next();
-         LockData lockData = entry.getValue();
-         if (lockData.isLive())
-         {
-            if (lockData.isLockHolder(session.getId()))
-            {
-               if (lockData.isSessionScoped())
-               {
-                  // if no session currently holds lock except this
-                  try
-                  {
-                     // TODO it's possible to have next error
-                     // java.lang.NullPointerException
-                     // at
-                     // org.exoplatform.services.jcr.impl.core.lock.LockManagerImpl.onCloseSession(LockManagerImpl.java:312)
-                     // at org.exoplatform.services.jcr.impl.core.SessionImpl.logout(SessionImpl.java:794)
-                     // at
-                     // org.exoplatform.services.jcr.impl.core.XASessionImpl.logout(XASessionImpl.java:254)
-                     // at
-                     // org.exoplatform.services.jcr.impl.core.SessionRegistry$SessionCleaner.callPeriodically(SessionRegistry.java:165)
-                     // at
-                     // org.exoplatform.services.jcr.impl.proccess.WorkerThread.run(WorkerThread.java:46)
-                     ((NodeImpl)sessionImpl.getTransientNodesManager().getItemByIdentifier(
-                        lockData.getNodeIdentifier(), false)).unlock();
-                  }
-                  catch (UnsupportedRepositoryOperationException e)
-                  {
-                     log.error(e.getLocalizedMessage());
-                  }
-                  catch (LockException e)
-                  {
-                     log.error(e.getLocalizedMessage());
-                  }
-                  catch (AccessDeniedException e)
-                  {
-                     log.error(e.getLocalizedMessage());
-                  }
-                  catch (RepositoryException e)
-                  {
-                     log.error(e.getLocalizedMessage());
-                  }
-
-               }
-               else
-               {
-                  lockData.removeLockHolder(session.getId());
-               }
-            }
-         }
-         else
-         {
-            entries.remove();
-         }
-      }
-   }
-
-   /*
-    * (non-Javadoc)
-    * @seeorg.exoplatform.services.jcr.dataflow.persistent.ItemsPersistenceListener#onSaveItems(org.
-    * exoplatform.services.jcr.dataflow.ItemStateChangesLog)
-    */
-   public void onSaveItems(ItemStateChangesLog changesLog)
-   {
-      List<PlainChangesLog> chengesLogList = new ArrayList<PlainChangesLog>();
-      if (changesLog instanceof TransactionChangesLog)
-      {
-         ChangesLogIterator logIterator = ((TransactionChangesLog)changesLog).getLogIterator();
-
-         while (logIterator.hasNextLog())
-         {
-            chengesLogList.add(logIterator.nextLog());
-         }
-      }
-      else if (changesLog instanceof PlainChangesLog)
-      {
-         chengesLogList.add((PlainChangesLog)changesLog);
-      }
-      else if (changesLog instanceof CompositeChangesLog)
-      {
-         for (ChangesLogIterator iter = ((CompositeChangesLog)changesLog).getLogIterator(); iter.hasNextLog();)
-         {
-            chengesLogList.add(iter.nextLog());
-         }
-      }
-
-      for (PlainChangesLog currChangesLog : chengesLogList)
-      {
-         String nodeIdentifier;
-         try
-         {
-            switch (currChangesLog.getEventType())
-            {
-               case ExtendedEvent.LOCK :
-                  if (currChangesLog.getSize() < 2)
-                  {
-                     log.error("Incorrect changes log  of type ExtendedEvent.LOCK size=" + currChangesLog.getSize()
-                        + "<2 \n" + currChangesLog.dump());
-                     break;
-                  }
-                  nodeIdentifier = currChangesLog.getAllStates().get(0).getData().getParentIdentifier();
-
-                  if (pendingLocks.containsKey(nodeIdentifier))
-                  {
-                     internalLock(nodeIdentifier);
-                  }
-                  else
-                  {
-                     log.warn("No lock in pendingLocks for identifier " + nodeIdentifier
-                        + " Probably lock come from replication.");
-
-                     String lockToken = IdGenerator.generate();
-                     ItemState ownerState = getItemState(currChangesLog, Constants.JCR_LOCKOWNER);
-                     ItemState isDeepState = getItemState(currChangesLog, Constants.JCR_LOCKISDEEP);
-                     if (ownerState != null && isDeepState != null)
-                     {
-
-                        String owner =
-                           new String(((((TransientPropertyData)(ownerState.getData())).getValues()).get(0))
-                              .getAsByteArray(), Constants.DEFAULT_ENCODING);
-
-                        boolean isDeep =
-                           Boolean.valueOf(
-                              new String(((((TransientPropertyData)(isDeepState.getData())).getValues()).get(0))
-                                 .getAsByteArray(), Constants.DEFAULT_ENCODING)).booleanValue();
-
-                        createRemoteLock(currChangesLog.getSessionId(), nodeIdentifier, lockToken, isDeep, false, owner);
-                     }
-                  }
-                  break;
-               case ExtendedEvent.UNLOCK :
-                  if (currChangesLog.getSize() < 2)
-                  {
-                     log.error("Incorrect changes log  of type ExtendedEvent.UNLOCK size=" + currChangesLog.getSize()
-                        + "<2 \n" + currChangesLog.dump());
-                     break;
-                  }
-
-                  internalUnLock(currChangesLog.getSessionId(), currChangesLog.getAllStates().get(0).getData()
-                     .getParentIdentifier());
-                  break;
-               default :
-                  HashSet<String> removedLock = new HashSet<String>();
-                  for (ItemState itemState : currChangesLog.getAllStates())
-                  {
-                     // this is a node and node is locked
-                     if (itemState.getData().isNode() && locks.containsKey(itemState.getData().getIdentifier()))
-                     {
-                        nodeIdentifier = itemState.getData().getIdentifier();
-                        if (itemState.isDeleted())
-                        {
-                           removedLock.add(nodeIdentifier);
-                        }
-                        else if (itemState.isAdded() || itemState.isRenamed() || itemState.isUpdated())
-                        {
-                           removedLock.remove(nodeIdentifier);
-                        }
-                     }
-                  }
-                  for (String identifier : removedLock)
-                  {
-                     internalUnLock(currChangesLog.getSessionId(), identifier);
-                  }
-                  break;
-            }
-         }
-         catch (LockException e)
-         {
-            log.error(e.getLocalizedMessage(), e);
-         }
-         catch (UnsupportedEncodingException e)
-         {
-            log.error(e.getLocalizedMessage(), e);
-         }
-         catch (IllegalStateException e)
-         {
-            log.error(e.getLocalizedMessage(), e);
-         }
-         catch (IOException e)
-         {
-            log.error(e.getLocalizedMessage(), e);
-         }
-      }
-   }
-
-   /*
-    * (non-Javadoc)
-    * @see
-    * org.exoplatform.services.jcr.impl.core.lock.LockManager#lockTokenRemoved(org.exoplatform.services
-    * .jcr.impl.core.SessionImpl, java.lang.String)
-    */
-   public synchronized void removeLockToken(String sessionId, String lt)
-   {
-      LockData lData = tokensMap.get(lt);
-      if (lData != null && lData.isLockHolder(sessionId))
-      {
-         lData.removeLockHolder(sessionId);
-      }
-   }
-
-   /*
-    * (non-Javadoc)
-    * @see org.picocontainer.Startable#start()
-    */
-   public void start()
-   {
-      //  cache.start();
-      lockRemover = new LockRemover(this);
-
-   }
-
-   // Quick method. We need to reconstruct
-   synchronized List<LockData> getLockList()
-   {
-      return new ArrayList<LockData>(locks.values());
-   }
-
-   /**
-    * Remove expired locks. Used from LockRemover.
-    */
-   public synchronized void removeExpired()
-   {
-      final List<String> removeLockList = new ArrayList<String>();
-
-      for (LockData lock : locks.values())
-      {
-         if (!lock.isSessionScoped() && lock.getTimeToDeath() < 0)
-         {
-            removeLockList.add(lock.getNodeIdentifier());
-         }
-      }
-
-      for (String rLock : removeLockList)
-      {
-         removeLock(rLock);
-      }
-   }
-
-   /*
-    * (non-Javadoc)
-    * @see org.picocontainer.Startable#stop()
-    */
-   public void stop()
-   {
-
-      lockRemover.halt();
-      lockRemover.interrupt();
-      locks.clear();
-      pendingLocks.clear();
-      tokensMap.clear();
-      //  cache.stop();
-   }
-
-   /**
-    * Copy <code>PropertyData prop<code> to new TransientItemData
-    * 
-    * @param prop
-    * @return
-    * @throws RepositoryException
-    */
-   private TransientItemData copyItemData(PropertyData prop) throws RepositoryException
-   {
-
-      if (prop == null)
-         return null;
-
-      // make a copy
-      TransientPropertyData newData =
-         new TransientPropertyData(prop.getQPath(), prop.getIdentifier(), prop.getPersistedVersion(), prop.getType(),
-            prop.getParentIdentifier(), prop.isMultiValued());
-
-      List<ValueData> values = null;
-      // null is possible for deleting items
-      if (prop.getValues() != null)
-      {
-         values = new ArrayList<ValueData>();
-         for (ValueData val : prop.getValues())
-         {
-            values.add(((AbstractValueData)val).createTransientCopy());
-         }
-      }
-      newData.setValues(values);
-      return newData;
-   }
-
-   /**
-    * Search item with name <code>itemName<code> in changesLog
-    * 
-    * @param changesLog
-    * @param itemName
-    * @return Item
-    */
-   private ItemState getItemState(PlainChangesLog changesLog, InternalQName itemName)
-   {
-      List<ItemState> allStates = changesLog.getAllStates();
-      for (int i = allStates.size() - 1; i >= 0; i--)
-      {
-         ItemState state = allStates.get(i);
-         if (state.getData().getQPath().getName().equals(itemName))
-            return state;
-      }
-      return null;
-   }
-
-   /**
-    * Search lock in maps.
-    * 
-    * @param data
-    * @param searchType
-    * @return
-    */
-   private LockData getLockData(NodeData data, int searchType)
-   {
-      if (data == null || locks.size() == 0)
-         return null;
-      LockData retval = null;
-      try
-      {
-         if ((searchType & SEARCH_EXECMATCH) != 0)
-         {
-            retval = locks.get(data.getIdentifier());
-         }
-         if (retval == null && (searchType & SEARCH_CLOSEDPARENT) != 0)
-         {
-
-            NodeData parentData = (NodeData)dataManager.getItemData(data.getParentIdentifier());
-            if (parentData != null)
-            {
-               retval = locks.get(parentData.getIdentifier());
-               // parent not found try to fo upper
-               if (retval == null)
-               {
-                  retval = getLockData(parentData, SEARCH_CLOSEDPARENT);
-               }
-            }
-         }
-         if (retval == null && (searchType & SEARCH_CLOSEDCHILD) != 0)
-         {
-
-            List<NodeData> childData = dataManager.getChildNodesData(data);
-            for (NodeData nodeData : childData)
-            {
-               retval = locks.get(nodeData.getIdentifier());
-               if (retval != null)
-                  break;
-            }
-            if (retval == null)
-            {
-               // child not found try to find diper
-               for (NodeData nodeData : childData)
-               {
-                  retval = getLockData(nodeData, SEARCH_CLOSEDCHILD);
-                  if (retval != null)
-                     break;
-               }
-            }
-         }
-      }
-      catch (RepositoryException e)
-      {
-         return null;
-      }
-
-      return retval;
-   }
-
-   /**
-    * Internal lock
-    * 
-    * @param nodeIdentifier
-    * @throws LockException
-    */
-   private synchronized void internalLock(String nodeIdentifier) throws LockException
-   {
-      LockData ldata = pendingLocks.get(nodeIdentifier);
-      if (ldata != null)
-      {
-         locks.put(nodeIdentifier, ldata);
-
-         if (persister != null)
-         {
-            persister.add(ldata);
-         }
-         pendingLocks.remove(nodeIdentifier);
-      }
-      else
-      {
-         throw new LockException("No lock in pending locks");
-      }
-   }
-
-   /**
-    * Internal unlock.
-    * 
-    * @param sessionId
-    * @param nodeIdentifier
-    * @throws LockException
-    */
-   private synchronized void internalUnLock(String sessionId, String nodeIdentifier) throws LockException
-   {
-      LockData lData = locks.get(nodeIdentifier);
-
-      if (lData != null)
-      {
-         tokensMap.remove(lData.getLockToken(sessionId));
-         locks.remove(nodeIdentifier);
-
-         lData.setLive(false);
-         if (persister != null)
-         {
-            persister.remove(lData);
-         }
-         lData = null;
-      }
-   }
-
-   /**
-    * For locks comes from remote JCRs (replication usecase)
-    * 
-    * @param sessionId
-    *          String
-    * @param nodeIdentifier
-    *          String
-    * @param lockToken
-    *          String
-    * @param isDeep
-    *          boolean
-    * @param sessionScoped
-    *          boolean
-    * @param owner
-    *          String
-    * @return LockData
-    */
-   private synchronized LockData createRemoteLock(String sessionId, String nodeIdentifier, String lockToken,
-      boolean isDeep, boolean sessionScoped, String owner)
-   {
-      LockData lData = new LockData(nodeIdentifier, lockToken, isDeep, sessionScoped, owner, lockTimeOut);
-      lData.addLockHolder(sessionId);
-      locks.put(nodeIdentifier, lData);
-      tokensMap.put(lockToken, lData);
-
-      return lData;
-   }
-
-   /**
-    * Remove lock, used by Lock remover.
-    * 
-    * @param nodeIdentifier String
-    */
-   protected void removeLock(String nodeIdentifier)
-   {
-      try
-      {
-         NodeData nData = (NodeData)dataManager.getItemData(nodeIdentifier);
-         PlainChangesLog changesLog =
-            new PlainChangesLogImpl(new ArrayList<ItemState>(), SystemIdentity.SYSTEM, ExtendedEvent.UNLOCK);
-
-         ItemData lockOwner =
-            copyItemData((PropertyData)dataManager.getItemData(nData, new QPathEntry(Constants.JCR_LOCKOWNER, 1)));
-
-         changesLog.add(ItemState.createDeletedState(lockOwner));
-
-         ItemData lockIsDeep =
-            copyItemData((PropertyData)dataManager.getItemData(nData, new QPathEntry(Constants.JCR_LOCKISDEEP, 1)));
-         changesLog.add(ItemState.createDeletedState(lockIsDeep));
-
-         // lock probably removed by other thread
-         if (lockOwner == null && lockIsDeep == null)
-            return;
-         dataManager.save(new TransactionChangesLog(changesLog));
-      }
-      catch (RepositoryException e)
-      {
-         log.error("Error occur during removing lock" + e.getLocalizedMessage());
-      }
-   }
-
-   @Managed
-   @ManagedDescription("The number of active locks")
-   public int getNumLocks()
-   {
-      return locks.size();
-   }
-
-   @Managed
-   @ManagedDescription("Remove the expired locks")
-   public void cleanExpiredLocks()
-   {
-      removeExpired();
-   }
-
-   /**
-    * {@inheritDoc}
-    */
-   public boolean isTXAware()
-   {
-      return true;
-   }
-}



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