[exo-jcr-commits] exo-jcr SVN: r4331 - in jcr/branches/1.12.x/patch/1.12.9-GA: JCR-1611 and 1 other directory.
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Fri Apr 29 04:25:14 EDT 2011
Author: tolusha
Date: 2011-04-29 04:25:13 -0400 (Fri, 29 Apr 2011)
New Revision: 4331
Added:
jcr/branches/1.12.x/patch/1.12.9-GA/JCR-1611/
jcr/branches/1.12.x/patch/1.12.9-GA/JCR-1611/JCR-1611.patch
Log:
JCR-1611: patch proposed
Added: jcr/branches/1.12.x/patch/1.12.9-GA/JCR-1611/JCR-1611.patch
===================================================================
--- jcr/branches/1.12.x/patch/1.12.9-GA/JCR-1611/JCR-1611.patch (rev 0)
+++ jcr/branches/1.12.x/patch/1.12.9-GA/JCR-1611/JCR-1611.patch 2011-04-29 08:25:13 UTC (rev 4331)
@@ -0,0 +1,1086 @@
+Index: exo.jcr.component.core/src/test/java/org/exoplatform/services/jcr/impl/dataflow/persistent/jbosscache/TestJBossCacheWorkspaceStorageCacheInClusterMode.java
+===================================================================
+--- exo.jcr.component.core/src/test/java/org/exoplatform/services/jcr/impl/dataflow/persistent/jbosscache/TestJBossCacheWorkspaceStorageCacheInClusterMode.java (revision 4327)
++++ exo.jcr.component.core/src/test/java/org/exoplatform/services/jcr/impl/dataflow/persistent/jbosscache/TestJBossCacheWorkspaceStorageCacheInClusterMode.java (working copy)
+@@ -96,6 +96,7 @@
+ // Test getChildNodesData
+ Action readAction = new Action(cwdmNode2)
+ {
++ @Override
+ public void execute(NodeData parentNode) throws Exception
+ {
+ cwdm.getChildNodesData(parentNode);
+@@ -103,6 +104,7 @@
+ };
+ Action writeAction = new Action(cwdmNode1)
+ {
++ @Override
+ public void execute(NodeData parentNode) throws Exception
+ {
+ PlainChangesLog chlog = new PlainChangesLogImpl();
+@@ -127,6 +129,7 @@
+ // Test getChildPropertiesData
+ readAction = new Action(cwdmNode2)
+ {
++ @Override
+ public void execute(NodeData parentNode) throws Exception
+ {
+ cwdm.getChildPropertiesData(parentNode);
+@@ -134,6 +137,7 @@
+ };
+ writeAction = new Action(cwdmNode1)
+ {
++ @Override
+ public void execute(NodeData parentNode) throws Exception
+ {
+ PlainChangesLog chlog = new PlainChangesLogImpl();
+@@ -161,6 +165,7 @@
+ // Test getReferencesData
+ readAction = new Action(cwdmNode2)
+ {
++ @Override
+ public void execute(NodeData parentNode) throws Exception
+ {
+ cwdm.getReferencesData(parentNode.getIdentifier(), false);
+@@ -168,6 +173,7 @@
+ };
+ writeAction = new Action(cwdmNode1)
+ {
++ @Override
+ public void execute(NodeData parentNode) throws Exception
+ {
+ PlainChangesLog chlog = new PlainChangesLogImpl();
+@@ -196,6 +202,7 @@
+ // Test getItemData by Id
+ readAction = new Action(cwdmNode2)
+ {
++ @Override
+ public void execute(NodeData parentNode) throws Exception
+ {
+ cwdm.getItemData(parentNode.getIdentifier());
+@@ -203,6 +210,7 @@
+ };
+ writeAction = new Action(cwdmNode1)
+ {
++ @Override
+ public void execute(NodeData parentNode) throws Exception
+ {
+ PlainChangesLog chlog = new PlainChangesLogImpl();
+@@ -231,6 +239,7 @@
+ final QPathEntry qpe = new QPathEntry(null, "my-property", 1);
+ readAction = new Action(cwdmNode2)
+ {
++ @Override
+ public void execute(NodeData parentNode) throws Exception
+ {
+ cwdm.getItemData(parentNode, qpe, ItemType.PROPERTY);
+@@ -238,6 +247,7 @@
+ };
+ writeAction = new Action(cwdmNode1)
+ {
++ @Override
+ public void execute(NodeData parentNode) throws Exception
+ {
+ PlainChangesLog chlog = new PlainChangesLogImpl();
+@@ -308,6 +318,7 @@
+ final CountDownLatch doneSignal = new CountDownLatch(2);
+ Thread writer = new Thread()
+ {
++ @Override
+ public void run()
+ {
+ try
+@@ -331,6 +342,7 @@
+ writer.start();
+ Thread reader = new Thread()
+ {
++ @Override
+ public void run()
+ {
+ try
+@@ -593,6 +605,11 @@
+ InvalidItemStateException, IllegalStateException
+ {
+ }
++
++ public int getLastOrderNumber(NodeData parent) throws RepositoryException
++ {
++ return -1;
++ }
+ };
+
+ private static class MyWorkspaceDataContainer extends WorkspaceDataContainerBase
+Index: exo.jcr.component.core/src/test/java/org/exoplatform/services/jcr/impl/dataflow/persistent/TestCacheableWorkspaceDataManager.java
+===================================================================
+--- exo.jcr.component.core/src/test/java/org/exoplatform/services/jcr/impl/dataflow/persistent/TestCacheableWorkspaceDataManager.java (revision 4327)
++++ exo.jcr.component.core/src/test/java/org/exoplatform/services/jcr/impl/dataflow/persistent/TestCacheableWorkspaceDataManager.java (working copy)
+@@ -526,6 +526,12 @@
+ {
+ }
+
++ @Override
++ public int getLastOrderNumber(NodeData parent) throws RepositoryException
++ {
++ return -1;
++ }
++
+ };
+
+ private static class MyWorkspaceDataContainer extends WorkspaceDataContainerBase
+Index: exo.jcr.component.core/src/test/java/org/exoplatform/services/jcr/impl/core/TestNodeOrder.java
+===================================================================
+--- exo.jcr.component.core/src/test/java/org/exoplatform/services/jcr/impl/core/TestNodeOrder.java (revision 4327)
++++ exo.jcr.component.core/src/test/java/org/exoplatform/services/jcr/impl/core/TestNodeOrder.java (working copy)
+@@ -36,14 +36,14 @@
+ */
+ package org.exoplatform.services.jcr.impl.core;
+
++import org.exoplatform.services.jcr.JcrImplBaseTest;
++import org.exoplatform.services.jcr.datamodel.NodeData;
++
+ import javax.jcr.ItemExistsException;
+ import javax.jcr.Node;
+ import javax.jcr.NodeIterator;
+ import javax.jcr.Session;
+
+-import org.exoplatform.services.jcr.JcrImplBaseTest;
+-import org.exoplatform.services.jcr.datamodel.NodeData;
+-
+ /**
+ * Created by The eXo Platform SAS.
+ *
+@@ -227,7 +227,7 @@
+ assertEquals(order++, orderNumb);
+ }
+ }
+-
++
+ public void testOrderWithRefreshKeep() throws Exception
+ {
+ Node testNode = root.addNode("testNode");
+@@ -268,4 +268,41 @@
+ }
+ }
+
++ public void testRemoveOrder() throws Exception
++ {
++ Node list = session.getRootNode().addNode("list");
++ assertTrue(list.getPrimaryNodeType().hasOrderableChildNodes());
++ list.addNode("foo", "nt:unstructured");
++ list.addNode("bar", "nt:unstructured");
++ list.addNode("juu", "nt:unstructured");
++ session.save();
++
++ list = session.getRootNode().getNode("list");
++ list.getNode("bar").remove();
++ session.save();
++
++ list = session.getRootNode().getNode("list");
++ list.addNode("daa", "nt:unstructured");
++ session.save();
++
++ //check order numbers
++ NodeImpl foo = (NodeImpl)list.getNode("foo");
++ assertEquals(0, ((NodeData)foo.getData()).getOrderNumber());
++ NodeImpl juu = (NodeImpl)list.getNode("juu");
++ assertEquals(2, ((NodeData)juu.getData()).getOrderNumber());
++ NodeImpl daa = (NodeImpl)list.getNode("daa");
++ assertEquals(3, ((NodeData)daa.getData()).getOrderNumber());
++
++ // list.orderBefore("daa", null);
++ NodeIterator it = list.getNodes();
++ foo = (NodeImpl)it.nextNode();
++ assertEquals("foo", foo.getName());
++ juu = (NodeImpl)it.nextNode();
++ assertEquals("juu", juu.getName());
++ daa = (NodeImpl)it.nextNode();
++ assertEquals("daa", daa.getName());
++ assertFalse(it.hasNext());
++ session.save();
++ }
++
+ }
+Index: exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/dataflow/ItemDataConsumer.java
+===================================================================
+--- exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/dataflow/ItemDataConsumer.java (revision 4327)
++++ exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/dataflow/ItemDataConsumer.java (working copy)
+@@ -91,6 +91,15 @@
+ * @return int, child nodes count
+ */
+ int getChildNodesCount(NodeData parent) throws RepositoryException;
++
++ /**
++ * Get order number of parent's last child node.
++ *
++ * @param parent node
++ * @return int Returns last child nodes order number or -1 if there is no subnodes.
++ * @throws RepositoryException
++ */
++ int getLastOrderNumber(NodeData parent) throws RepositoryException;
+
+ /**
+ * Get child Properties of the parent node.
+Index: exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/core/NodeImpl.java
+===================================================================
+--- exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/core/NodeImpl.java (revision 4327)
++++ exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/core/NodeImpl.java (working copy)
+@@ -2824,7 +2824,7 @@
+
+ private int getNextChildOrderNum() throws RepositoryException
+ {
+- return dataManager.getChildNodesCount(nodeData());
++ return dataManager.getLastOrderNumber(nodeData()) + 1;
+ }
+
+ private int getNextChildIndex(InternalQName nameToAdd, NodeData parentNode) throws RepositoryException,
+Index: exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/core/SessionDataManager.java
+===================================================================
+--- exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/core/SessionDataManager.java (revision 4327)
++++ exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/core/SessionDataManager.java (working copy)
+@@ -843,6 +843,17 @@
+ /**
+ * {@inheritDoc}
+ */
++ public int getLastOrderNumber(NodeData parent) throws RepositoryException
++ {
++ int lastOrderNumber = changesLog.getLastChildOrderNumber(parent.getIdentifier());
++ int lastPersistedNodeOrderNumber = transactionableManager.getLastOrderNumber(parent);
++
++ return Math.max(lastPersistedNodeOrderNumber, lastOrderNumber);
++ }
++
++ /**
++ * {@inheritDoc}
++ */
+ public int getChildNodesCount(NodeData parent) throws RepositoryException
+ {
+ int childsCount =
+Index: exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/dataflow/session/LocalWorkspaceStorageDataManagerProxy.java
+===================================================================
+--- exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/dataflow/session/LocalWorkspaceStorageDataManagerProxy.java (revision 4327)
++++ exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/dataflow/session/LocalWorkspaceStorageDataManagerProxy.java (working copy)
+@@ -135,6 +135,14 @@
+ /**
+ * {@inheritDoc}
+ */
++ public int getLastOrderNumber(final NodeData parent) throws RepositoryException
++ {
++ return storageDataManager.getLastOrderNumber(parent);
++ }
++
++ /**
++ * {@inheritDoc}
++ */
+ public int getChildNodesCount(final NodeData parent) throws RepositoryException
+ {
+ return storageDataManager.getChildNodesCount(parent);
+Index: exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/dataflow/session/SessionChangesLog.java
+===================================================================
+--- exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/dataflow/session/SessionChangesLog.java (revision 4327)
++++ exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/dataflow/session/SessionChangesLog.java (working copy)
+@@ -62,11 +62,24 @@
+ new HashMap<String, Map<String, ItemState>>();
+
+ /**
+- * Stores persisted child nodes count.
++ * Stores info for persisted child nodes by parent identifier.
++ * <br>Index in array points to:
++ * <br>0 - child nodes count
++ * <br>1 - last child order number
+ */
+- protected Map<String, int[]> childNodesCount = new HashMap<String, int[]>();
++ protected Map<String, int[]> childNodesInfo = new HashMap<String, int[]>();
+
+ /**
++ * Index in <code>childNodesInfo<code> value array to store child nodes count.
++ */
++ protected final int CHILD_NODES_COUNT_INDEX = 0;
++
++ /**
++ * Index in <code>childNodesInfo<code> value array to store last child order number.
++ */
++ protected final int CHILD_NODES_LAST_ORDER_NUMBER_INDEX = 1;
++
++ /**
+ * Create empty ChangesLog.
+ *
+ * @param sessionId
+@@ -129,7 +142,7 @@
+ index.clear();
+ lastChildNodeStates.clear();
+ lastChildPropertyStates.clear();
+- childNodesCount.clear();
++ childNodesInfo.clear();
+ }
+
+ /**
+@@ -153,21 +166,25 @@
+ index.remove(item.getData().getQPath());
+ index.remove(new ParentIDQPathBasedKey(item));
+ index.remove(new IDStateBasedKey(item.getData().getIdentifier(), item.getState()));
+- childNodesCount.remove(item.getData().getIdentifier());
++ childNodesInfo.remove(item.getData().getIdentifier());
+ lastChildNodeStates.remove(item.getData().getIdentifier());
+ lastChildPropertyStates.remove(item.getData().getIdentifier());
+
+ if (item.isNode() && item.isPersisted())
+ {
+- int childCount[] = childNodesCount.get(item.getData().getParentIdentifier());
+- if (childCount != null)
++ int childInfo[] = childNodesInfo.get(item.getData().getParentIdentifier());
++ if (childInfo != null)
+ {
+ if (item.isDeleted())
+- ++childCount[0];
++ {
++ ++childInfo[CHILD_NODES_COUNT_INDEX];
++ }
+ else if (item.isAdded())
+- --childCount[0];
++ {
++ --childInfo[CHILD_NODES_COUNT_INDEX];
++ }
+
+- childNodesCount.put(item.getData().getParentIdentifier(), childCount);
++ childNodesInfo.put(item.getData().getParentIdentifier(), childInfo);
+ }
+ }
+
+@@ -412,10 +429,17 @@
+
+ public int getChildNodesCount(String rootIdentifier)
+ {
+- int[] childCount = childNodesCount.get(rootIdentifier);
+- return childCount == null ? 0 : childCount[0];
++ int[] childInfo = childNodesInfo.get(rootIdentifier);
++ return childInfo == null ? 0 : childInfo[CHILD_NODES_COUNT_INDEX];
+ }
+
++ public int getLastChildOrderNumber(String rootIdentifier)
++ {
++
++ int[] childInfo = childNodesInfo.get(rootIdentifier);
++ return childInfo == null ? -1 : childInfo[CHILD_NODES_LAST_ORDER_NUMBER_INDEX];
++ }
++
+ /**
+ * Collect last in ChangesLog order item child changes.
+ *
+@@ -663,16 +687,22 @@
+
+ if (item.isNode() && item.isPersisted())
+ {
+- int[] childCount = childNodesCount.get(item.getData().getParentIdentifier());
+- if (childCount == null)
+- childCount = new int[1];
++ int[] childInfo = childNodesInfo.get(item.getData().getParentIdentifier());
++ if (childInfo == null)
++ {
++ childInfo = new int[2];
++ }
+
+ if (item.isDeleted())
+- --childCount[0];
++ {
++ --childInfo[CHILD_NODES_COUNT_INDEX];
++ }
+ else if (item.isAdded())
+- ++childCount[0];
+-
+- childNodesCount.put(item.getData().getParentIdentifier(), childCount);
++ {
++ ++childInfo[CHILD_NODES_COUNT_INDEX];
++ childInfo[CHILD_NODES_LAST_ORDER_NUMBER_INDEX] = ((NodeData)item.getData()).getOrderNumber();
++ }
++ childNodesInfo.put(item.getData().getParentIdentifier(), childInfo);
+ }
+ }
+
+Index: exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/dataflow/session/TransactionableDataManager.java
+===================================================================
+--- exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/dataflow/session/TransactionableDataManager.java (revision 4327)
++++ exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/dataflow/session/TransactionableDataManager.java (working copy)
+@@ -114,6 +114,37 @@
+ /**
+ * {@inheritDoc}
+ */
++ public int getLastOrderNumber(final NodeData parent) throws RepositoryException
++ {
++ if (txStarted())
++ {
++ int txLastOrderNumber = -1;
++ for (ItemState change : transactionLog.getAllStates())
++ {
++ if (change.isNode() && change.isPersisted() && change.isAdded()
++ && change.getData().getParentIdentifier().equals(parent.getIdentifier()))
++ {
++ int orderNumber = ((NodeData)change.getData()).getOrderNumber();
++ if (orderNumber > txLastOrderNumber)
++ {
++ txLastOrderNumber = orderNumber;
++ }
++ }
++ }
++
++ int lastOrderNumber = storageDataManager.getLastOrderNumber(parent);
++
++ return Math.max(lastOrderNumber, txLastOrderNumber);
++ }
++ else
++ {
++ return storageDataManager.getLastOrderNumber(parent);
++ }
++ }
++
++ /**
++ * {@inheritDoc}
++ */
+ public int getChildNodesCount(final NodeData parent) throws RepositoryException
+ {
+ if (txStarted())
+Index: exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/dataflow/DefaultItemDataCopyVisitor.java
+===================================================================
+--- exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/dataflow/DefaultItemDataCopyVisitor.java (revision 4327)
++++ exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/dataflow/DefaultItemDataCopyVisitor.java (working copy)
+@@ -264,7 +264,7 @@
+
+ protected int calculateNewNodeOrderNumber() throws RepositoryException
+ {
+- return dataManager.getChildNodesCount(curParent());
++ return dataManager.getLastOrderNumber(curParent()) + 1;
+ }
+
+ protected QPath calculateNewNodePath(NodeData node, int level) throws RepositoryException
+Index: exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/dataflow/persistent/WorkspacePersistentDataManager.java
+===================================================================
+--- exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/dataflow/persistent/WorkspacePersistentDataManager.java (revision 4327)
++++ exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/dataflow/persistent/WorkspacePersistentDataManager.java (working copy)
+@@ -473,10 +473,27 @@
+ con.close();
+ }
+ }
+-
++
+ /**
+ * {@inheritDoc}
+ */
++ @Override
++ public int getLastOrderNumber(final NodeData nodeData) throws RepositoryException
++ {
++ final WorkspaceStorageConnection con = dataContainer.openConnection();
++ try
++ {
++ return con.getLastOrderNumber(nodeData);
++ }
++ finally
++ {
++ con.close();
++ }
++ }
++
++ /**
++ * {@inheritDoc}
++ */
+ public int getChildNodesCount(NodeData parent) throws RepositoryException
+ {
+ final WorkspaceStorageConnection con = dataContainer.openConnection();
+Index: exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/dataflow/persistent/ACLInheritanceSupportedWorkspaceDataManager.java
+===================================================================
+--- exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/dataflow/persistent/ACLInheritanceSupportedWorkspaceDataManager.java (revision 4327)
++++ exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/dataflow/persistent/ACLInheritanceSupportedWorkspaceDataManager.java (working copy)
+@@ -158,6 +158,14 @@
+ /**
+ * {@inheritDoc}
+ */
++ public int getLastOrderNumber(final NodeData parent) throws RepositoryException
++ {
++ return persistentManager.getLastOrderNumber(parent);
++ }
++
++ /**
++ * {@inheritDoc}
++ */
+ public int getChildNodesCount(final NodeData parent) throws RepositoryException
+ {
+ return persistentManager.getChildNodesCount(parent);
+Index: exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/storage/inmemory/InmemoryStorageConnection.java
+===================================================================
+--- exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/storage/inmemory/InmemoryStorageConnection.java (revision 4327)
++++ exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/storage/inmemory/InmemoryStorageConnection.java (working copy)
+@@ -126,6 +126,11 @@
+ return null;
+ }
+
++ public int getLastOrderNumber(NodeData nodeData) throws RepositoryException
++ {
++ return -1;
++ }
++
+ public int getChildNodesCount(NodeData nodeData) throws RepositoryException
+ {
+ return 0;
+Index: exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/storage/jdbc/optimisation/db/HSQLDBMultiDbJDBCConnection.java
+===================================================================
+--- exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/storage/jdbc/optimisation/db/HSQLDBMultiDbJDBCConnection.java (revision 4327)
++++ exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/storage/jdbc/optimisation/db/HSQLDBMultiDbJDBCConnection.java (working copy)
+@@ -78,6 +78,10 @@
+ "select V.DATA" + " from JCR_MITEM I, JCR_MVALUE V"
+ + " where I.PARENT_ID=? and I.I_CLASS=2 and I.NAME=? and I.ID=V.PROPERTY_ID order by V.ORDER_NUM";
+ FIND_NODES_BY_PARENTID = "select * from JCR_MITEM" + " where PARENT_ID=? and I_CLASS=1" + " order by N_ORDER_NUM";
++
++ FIND_LAST_ORDER_NUMBER_BY_PARENTID =
++ "select count(*), max(N_ORDER_NUM) from JCR_MITEM where PARENT_ID=? and I_CLASS=1";
++
+ FIND_NODES_COUNT_BY_PARENTID = "select count(ID) from JCR_MITEM" + " where PARENT_ID=? and I_CLASS=1";
+ FIND_PROPERTIES_BY_PARENTID = "select * from JCR_MITEM" + " where PARENT_ID=? and I_CLASS=2" + " order by ID";
+ FIND_NODES_BY_PARENTID_CQ =
+Index: exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/storage/jdbc/optimisation/db/MultiDbJDBCConnection.java
+===================================================================
+--- exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/storage/jdbc/optimisation/db/MultiDbJDBCConnection.java (revision 4327)
++++ exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/storage/jdbc/optimisation/db/MultiDbJDBCConnection.java (working copy)
+@@ -151,6 +151,9 @@
+ + " from JCR_MITEM I, (SELECT ID, PARENT_ID from JCR_MITEM where ID=?) J"
+ + " where I.ID = J.ID or I.ID = J.PARENT_ID";
+
++ FIND_LAST_ORDER_NUMBER_BY_PARENTID =
++ "select count(*), max(N_ORDER_NUM) from JCR_MITEM where I_CLASS=1 and PARENT_ID=?";
++
+ FIND_NODES_COUNT_BY_PARENTID = "select count(ID) from JCR_MITEM" + " where I_CLASS=1 and PARENT_ID=?";
+
+ FIND_PROPERTIES_BY_PARENTID = "select * from JCR_MITEM" + " where I_CLASS=2 and PARENT_ID=?" + " order by NAME";
+@@ -413,6 +416,21 @@
+ * {@inheritDoc}
+ */
+ @Override
++ protected ResultSet findLastOrderNumberByParentIdentifier(String parentIdentifier) throws SQLException
++ {
++ if (findLastOrderNumberByParentId == null)
++ findLastOrderNumberByParentId = dbConnection.prepareStatement(FIND_LAST_ORDER_NUMBER_BY_PARENTID);
++ else
++ findLastOrderNumberByParentId.clearParameters();
++
++ findLastOrderNumberByParentId.setString(1, parentIdentifier);
++ return findLastOrderNumberByParentId.executeQuery();
++ }
++
++ /**
++ * {@inheritDoc}
++ */
++ @Override
+ protected ResultSet findChildNodesCountByParentIdentifier(String parentIdentifier) throws SQLException
+ {
+ if (findNodesCountByParentId == null)
+Index: exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/storage/jdbc/optimisation/db/HSQLDBSingleDbJDBCConnection.java
+===================================================================
+--- exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/storage/jdbc/optimisation/db/HSQLDBSingleDbJDBCConnection.java (revision 4327)
++++ exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/storage/jdbc/optimisation/db/HSQLDBSingleDbJDBCConnection.java (working copy)
+@@ -85,6 +85,10 @@
+ + " where I.PARENT_ID=? and I.I_CLASS=2 and I.CONTAINER_NAME=? and I.NAME=? and I.ID=V.PROPERTY_ID order by V.ORDER_NUM";
+ FIND_NODES_BY_PARENTID =
+ "select * from JCR_SITEM" + " where PARENT_ID=? and I_CLASS=1 and CONTAINER_NAME=?" + " order by N_ORDER_NUM";
++
++ FIND_LAST_ORDER_NUMBER_BY_PARENTID =
++ "select count(*), max(N_ORDER_NUM) from JCR_SITEM where PARENT_ID=? and I_CLASS=1 and CONTAINER_NAME=?";
++
+ FIND_NODES_COUNT_BY_PARENTID =
+ "select count(ID) from JCR_SITEM" + " where PARENT_ID=? and I_CLASS=1 and CONTAINER_NAME=?";
+ FIND_PROPERTIES_BY_PARENTID =
+@@ -165,6 +169,23 @@
+ * {@inheritDoc}
+ */
+ @Override
++ protected ResultSet findLastOrderNumberByParentIdentifier(String parentIdentifier) throws SQLException
++ {
++ if (findLastOrderNumberByParentId == null)
++ findLastOrderNumberByParentId = dbConnection.prepareStatement(FIND_LAST_ORDER_NUMBER_BY_PARENTID);
++ else
++ findLastOrderNumberByParentId.clearParameters();
++
++ findLastOrderNumberByParentId.setString(1, parentIdentifier);
++ findLastOrderNumberByParentId.setString(2, containerName);
++
++ return findLastOrderNumberByParentId.executeQuery();
++ }
++
++ /**
++ * {@inheritDoc}
++ */
++ @Override
+ protected ResultSet findChildNodesCountByParentIdentifier(String parentCid) throws SQLException
+ {
+ if (findNodesCountByParentId == null)
+Index: exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/storage/jdbc/optimisation/db/SingleDbJDBCConnection.java
+===================================================================
+--- exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/storage/jdbc/optimisation/db/SingleDbJDBCConnection.java (revision 4327)
++++ exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/storage/jdbc/optimisation/db/SingleDbJDBCConnection.java (working copy)
+@@ -157,6 +157,9 @@
+ + " from JCR_SITEM I, (SELECT ID, PARENT_ID from JCR_SITEM where ID=?) J"
+ + " where I.ID = J.ID or I.ID = J.PARENT_ID";
+
++ FIND_LAST_ORDER_NUMBER_BY_PARENTID =
++ "select count(*), max(N_ORDER_NUM) from JCR_SITEM where I_CLASS=1 and CONTAINER_NAME=? and PARENT_ID=?";
++
+ FIND_NODES_COUNT_BY_PARENTID =
+ "select count(ID) from JCR_SITEM" + " where I_CLASS=1 and CONTAINER_NAME=? and PARENT_ID=?";
+
+@@ -308,6 +311,22 @@
+ * {@inheritDoc}
+ */
+ @Override
++ protected ResultSet findLastOrderNumberByParentIdentifier(String parentIdentifier) throws SQLException
++ {
++ if (findLastOrderNumberByParentId == null)
++ findLastOrderNumberByParentId = dbConnection.prepareStatement(FIND_LAST_ORDER_NUMBER_BY_PARENTID);
++ else
++ findLastOrderNumberByParentId.clearParameters();
++
++ findLastOrderNumberByParentId.setString(1, containerName);
++ findLastOrderNumberByParentId.setString(2, parentIdentifier);
++ return findLastOrderNumberByParentId.executeQuery();
++ }
++
++ /**
++ * {@inheritDoc}
++ */
++ @Override
+ protected ResultSet findChildNodesCountByParentIdentifier(String parentCid) throws SQLException
+ {
+ if (findNodesCountByParentId == null)
+Index: exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/storage/jdbc/DBConstants.java
+===================================================================
+--- exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/storage/jdbc/DBConstants.java (revision 4327)
++++ exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/storage/jdbc/DBConstants.java (working copy)
+@@ -128,8 +128,13 @@
+ * FIND_NODES_BY_PARENTID.
+ */
+ protected String FIND_NODES_BY_PARENTID;
+-
++
+ /**
++ * FIND_LAST_ORDER_NUMBER_BY_PARENTID.
++ */
++ protected String FIND_LAST_ORDER_NUMBER_BY_PARENTID;
++
++ /**
+ * FIND_NODES_COUNT_BY_PARENTID.
+ */
+ protected String FIND_NODES_COUNT_BY_PARENTID;
+Index: exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/storage/jdbc/db/HSQLDBMultiDbJDBCConnection.java
+===================================================================
+--- exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/storage/jdbc/db/HSQLDBMultiDbJDBCConnection.java (revision 4327)
++++ exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/storage/jdbc/db/HSQLDBMultiDbJDBCConnection.java (working copy)
+@@ -74,6 +74,8 @@
+ "select V.DATA" + " from JCR_MITEM I, JCR_MVALUE V"
+ + " where I.PARENT_ID=? and I.I_CLASS=2 and I.NAME=? and I.ID=V.PROPERTY_ID order by V.ORDER_NUM";
+ FIND_NODES_BY_PARENTID = "select * from JCR_MITEM" + " where PARENT_ID=? and I_CLASS=1" + " order by N_ORDER_NUM";
++ FIND_LAST_ORDER_NUMBER_BY_PARENTID =
++ "select count(*), max(N_ORDER_NUM) from JCR_MITEM where PARENT_ID=? and I_CLASS=1";
+ FIND_NODES_COUNT_BY_PARENTID = "select count(ID) from JCR_MITEM" + " where PARENT_ID=? and I_CLASS=1";
+ FIND_PROPERTIES_BY_PARENTID = "select * from JCR_MITEM" + " where PARENT_ID=? and I_CLASS=2" + " order by ID";
+ }
+Index: exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/storage/jdbc/db/MultiDbJDBCConnection.java
+===================================================================
+--- exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/storage/jdbc/db/MultiDbJDBCConnection.java (revision 4327)
++++ exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/storage/jdbc/db/MultiDbJDBCConnection.java (working copy)
+@@ -127,6 +127,9 @@
+
+ FIND_NODES_BY_PARENTID = "select * from JCR_MITEM" + " where I_CLASS=1 and PARENT_ID=?" + " order by N_ORDER_NUM";
+
++ FIND_LAST_ORDER_NUMBER_BY_PARENTID =
++ "select count(*), max(N_ORDER_NUM) from JCR_MITEM where I_CLASS=1 and PARENT_ID=?";
++
+ FIND_NODES_COUNT_BY_PARENTID = "select count(ID) from JCR_MITEM" + " where I_CLASS=1 and PARENT_ID=?";
+
+ FIND_PROPERTIES_BY_PARENTID = "select * from JCR_MITEM" + " where I_CLASS=2 and PARENT_ID=?" + " order by ID";
+@@ -371,6 +374,21 @@
+ * {@inheritDoc}
+ */
+ @Override
++ protected ResultSet findLastOrderNumberByParentIdentifier(String parentIdentifier) throws SQLException
++ {
++ if (findLastOrderNumberByParentId == null)
++ findLastOrderNumberByParentId = dbConnection.prepareStatement(FIND_LAST_ORDER_NUMBER_BY_PARENTID);
++ else
++ findLastOrderNumberByParentId.clearParameters();
++
++ findLastOrderNumberByParentId.setString(1, parentIdentifier);
++ return findLastOrderNumberByParentId.executeQuery();
++ }
++
++ /**
++ * {@inheritDoc}
++ */
++ @Override
+ protected ResultSet findChildNodesCountByParentIdentifier(String parentIdentifier) throws SQLException
+ {
+ if (findNodesCountByParentId == null)
+Index: exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/storage/jdbc/db/HSQLDBSingleDbJDBCConnection.java
+===================================================================
+--- exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/storage/jdbc/db/HSQLDBSingleDbJDBCConnection.java (revision 4327)
++++ exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/storage/jdbc/db/HSQLDBSingleDbJDBCConnection.java (working copy)
+@@ -81,6 +81,8 @@
+ + " where I.PARENT_ID=? and I.I_CLASS=2 and I.CONTAINER_NAME=? and I.NAME=? and I.ID=V.PROPERTY_ID order by V.ORDER_NUM";
+ FIND_NODES_BY_PARENTID =
+ "select * from JCR_SITEM" + " where PARENT_ID=? and I_CLASS=1 and CONTAINER_NAME=?" + " order by N_ORDER_NUM";
++ FIND_LAST_ORDER_NUMBER_BY_PARENTID =
++ "select count(*), max(N_ORDER_NUM) from JCR_SITEM where PARENT_ID=? and I_CLASS=1 and CONTAINER_NAME=?";
+ FIND_NODES_COUNT_BY_PARENTID =
+ "select count(ID) from JCR_SITEM" + " where PARENT_ID=? and I_CLASS=1 and CONTAINER_NAME=?";
+ FIND_PROPERTIES_BY_PARENTID =
+@@ -142,6 +144,23 @@
+ * {@inheritDoc}
+ */
+ @Override
++ protected ResultSet findLastOrderNumberByParentIdentifier(String parentIdentifier) throws SQLException
++ {
++ if (findLastOrderNumberByParentId == null)
++ findLastOrderNumberByParentId = dbConnection.prepareStatement(FIND_LAST_ORDER_NUMBER_BY_PARENTID);
++ else
++ findLastOrderNumberByParentId.clearParameters();
++
++ findLastOrderNumberByParentId.setString(1, parentIdentifier);
++ findLastOrderNumberByParentId.setString(2, containerName);
++
++ return findLastOrderNumberByParentId.executeQuery();
++ }
++
++ /**
++ * {@inheritDoc}
++ */
++ @Override
+ protected ResultSet findChildNodesCountByParentIdentifier(String parentCid) throws SQLException
+ {
+ if (findNodesCountByParentId == null)
+Index: exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/storage/jdbc/db/SingleDbJDBCConnection.java
+===================================================================
+--- exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/storage/jdbc/db/SingleDbJDBCConnection.java (revision 4327)
++++ exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/storage/jdbc/db/SingleDbJDBCConnection.java (working copy)
+@@ -133,6 +133,9 @@
+ FIND_NODES_BY_PARENTID =
+ "select * from JCR_SITEM" + " where I_CLASS=1 and CONTAINER_NAME=? and PARENT_ID=?" + " order by N_ORDER_NUM";
+
++ FIND_LAST_ORDER_NUMBER_BY_PARENTID =
++ "select count(*), max(N_ORDER_NUM) from JCR_SITEM where I_CLASS=1 and CONTAINER_NAME=? and PARENT_ID=?";
++
+ FIND_NODES_COUNT_BY_PARENTID =
+ "select count(ID) from JCR_SITEM" + " where I_CLASS=1 and CONTAINER_NAME=? and PARENT_ID=?";
+
+@@ -282,6 +285,22 @@
+ * {@inheritDoc}
+ */
+ @Override
++ protected ResultSet findLastOrderNumberByParentIdentifier(String parentIdentifier) throws SQLException
++ {
++ if (findLastOrderNumberByParentId == null)
++ findLastOrderNumberByParentId = dbConnection.prepareStatement(FIND_LAST_ORDER_NUMBER_BY_PARENTID);
++ else
++ findLastOrderNumberByParentId.clearParameters();
++
++ findLastOrderNumberByParentId.setString(1, containerName);
++ findLastOrderNumberByParentId.setString(2, parentIdentifier);
++ return findLastOrderNumberByParentId.executeQuery();
++ }
++
++ /**
++ * {@inheritDoc}
++ */
++ @Override
+ protected ResultSet findChildNodesCountByParentIdentifier(String parentCid) throws SQLException
+ {
+ if (findNodesCountByParentId == null)
+Index: exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/storage/jdbc/JDBCStorageConnection.java
+===================================================================
+--- exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/storage/jdbc/JDBCStorageConnection.java (revision 4327)
++++ exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/storage/jdbc/JDBCStorageConnection.java (working copy)
+@@ -151,6 +151,8 @@
+
+ protected PreparedStatement findNodesByParentId;
+
++ protected PreparedStatement findLastOrderNumberByParentId;
++
+ protected PreparedStatement findNodesCountByParentId;
+
+ protected PreparedStatement findPropertiesByParentId;
+@@ -459,6 +461,11 @@
+ findNodesByParentId.close();
+ }
+
++ if (findLastOrderNumberByParentId != null)
++ {
++ findLastOrderNumberByParentId.close();
++ }
++
+ if (findNodesCountByParentId != null)
+ {
+ findNodesCountByParentId.close();
+@@ -921,6 +928,44 @@
+ /**
+ * {@inheritDoc}
+ */
++ public int getLastOrderNumber(NodeData parent) throws RepositoryException
++ {
++ checkIfOpened();
++ try
++ {
++ ResultSet count = findLastOrderNumberByParentIdentifier(getInternalId(parent.getIdentifier()));
++ try
++ {
++ if (count.next() && count.getInt(1) > 0)
++ {
++ return count.getInt(2);
++ }
++ else
++ {
++ return -1;
++ }
++ }
++ finally
++ {
++ try
++ {
++ count.close();
++ }
++ catch (SQLException e)
++ {
++ LOG.error("Can't close the ResultSet: " + e);
++ }
++ }
++ }
++ catch (SQLException e)
++ {
++ throw new RepositoryException(e);
++ }
++ }
++
++ /**
++ * {@inheritDoc}
++ */
+ public int getChildNodesCount(NodeData parent) throws RepositoryException
+ {
+ checkIfOpened();
+@@ -2454,6 +2499,8 @@
+
+ protected abstract ResultSet findChildNodesByParentIdentifier(String parentIdentifier) throws SQLException;
+
++ protected abstract ResultSet findLastOrderNumberByParentIdentifier(String parentIdentifier) throws SQLException;
++
+ protected abstract ResultSet findChildNodesCountByParentIdentifier(String parentIdentifier) throws SQLException;
+
+ protected abstract ResultSet findChildPropertiesByParentIdentifier(String parentIdentifier) throws SQLException;
+Index: exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/storage/jdbc/statistics/StatisticsJDBCStorageConnection.java
+===================================================================
+--- exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/storage/jdbc/statistics/StatisticsJDBCStorageConnection.java (revision 4327)
++++ exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/impl/storage/jdbc/statistics/StatisticsJDBCStorageConnection.java (working copy)
+@@ -117,6 +117,12 @@
+ * <code>getChildNodesCount(NodeData parent)</code>
+ */
+ private static final String GET_CHILD_NODES_COUNT_DESCR = "getChildNodesCount";
++
++ /**
++ * The description of the statistics corresponding to the method
++ * <code>getLastOrderNumber(NodeData parent)</code>
++ */
++ private static final String GET_LAST_ORDER_NUMBER_DESCR = "getLastOrderNumber";
+
+ /**
+ * The description of the statistics corresponding to the method
+@@ -171,6 +177,8 @@
+ GET_ITEM_DATA_BY_NODE_DATA_NQ_PATH_ENTRY_DESCR));
+ ALL_STATISTICS.put(GET_CHILD_NODES_DATA_DESCR, new Statistics(GLOBAL_STATISTICS, GET_CHILD_NODES_DATA_DESCR));
+ ALL_STATISTICS.put(GET_CHILD_NODES_COUNT_DESCR, new Statistics(GLOBAL_STATISTICS, GET_CHILD_NODES_COUNT_DESCR));
++ ALL_STATISTICS.put(GET_LAST_ORDER_NUMBER_DESCR, new Statistics(GLOBAL_STATISTICS, GET_LAST_ORDER_NUMBER_DESCR));
++
+ ALL_STATISTICS.put(GET_CHILD_PROPERTIES_DATA_DESCR, new Statistics(GLOBAL_STATISTICS,
+ GET_CHILD_PROPERTIES_DATA_DESCR));
+ ALL_STATISTICS.put(LIST_CHILD_PROPERTIES_DATA_DESCR, new Statistics(GLOBAL_STATISTICS,
+@@ -227,7 +235,7 @@
+ }
+
+ /**
+- * @see org.exoplatform.services.jcr.storage.WorkspaceStorageConnection#add(org.exoplatform.services.jcr.datamodel.NodeData)
++ * {@inheritDoc}
+ */
+ public void add(NodeData data) throws RepositoryException, UnsupportedOperationException, InvalidItemStateException,
+ IllegalStateException
+@@ -245,7 +253,7 @@
+ }
+
+ /**
+- * @see org.exoplatform.services.jcr.storage.WorkspaceStorageConnection#add(org.exoplatform.services.jcr.datamodel.PropertyData)
++ * {@inheritDoc}
+ */
+ public void add(PropertyData data) throws RepositoryException, UnsupportedOperationException,
+ InvalidItemStateException, IllegalStateException
+@@ -263,7 +271,7 @@
+ }
+
+ /**
+- * @see org.exoplatform.services.jcr.storage.WorkspaceStorageConnection#close()
++ * {@inheritDoc}
+ */
+ public void close() throws IllegalStateException, RepositoryException
+ {
+@@ -280,7 +288,7 @@
+ }
+
+ /**
+- * @see org.exoplatform.services.jcr.storage.WorkspaceStorageConnection#commit()
++ * {@inheritDoc}
+ */
+ public void commit() throws IllegalStateException, RepositoryException
+ {
+@@ -297,7 +305,7 @@
+ }
+
+ /**
+- * @see org.exoplatform.services.jcr.storage.WorkspaceStorageConnection#delete(org.exoplatform.services.jcr.datamodel.NodeData)
++ * {@inheritDoc}
+ */
+ public void delete(NodeData data) throws RepositoryException, UnsupportedOperationException,
+ InvalidItemStateException, IllegalStateException
+@@ -315,7 +323,7 @@
+ }
+
+ /**
+- * @see org.exoplatform.services.jcr.storage.WorkspaceStorageConnection#delete(org.exoplatform.services.jcr.datamodel.PropertyData)
++ * {@inheritDoc}
+ */
+ public void delete(PropertyData data) throws RepositoryException, UnsupportedOperationException,
+ InvalidItemStateException, IllegalStateException
+@@ -333,8 +341,25 @@
+ }
+
+ /**
+- * @see org.exoplatform.services.jcr.storage.WorkspaceStorageConnection#getChildNodesCount(org.exoplatform.services.jcr.datamodel.NodeData)
++ * {@inheritDoc}
+ */
++ public int getLastOrderNumber(NodeData parent) throws RepositoryException
++ {
++ Statistics s = ALL_STATISTICS.get(GET_LAST_ORDER_NUMBER_DESCR);
++ try
++ {
++ s.begin();
++ return wcs.getLastOrderNumber(parent);
++ }
++ finally
++ {
++ s.end();
++ }
++ }
++
++ /**
++ * {@inheritDoc}
++ */
+ public int getChildNodesCount(NodeData parent) throws RepositoryException
+ {
+ Statistics s = ALL_STATISTICS.get(GET_CHILD_NODES_COUNT_DESCR);
+@@ -350,7 +375,7 @@
+ }
+
+ /**
+- * @see org.exoplatform.services.jcr.storage.WorkspaceStorageConnection#getChildNodesData(org.exoplatform.services.jcr.datamodel.NodeData)
++ * {@inheritDoc}
+ */
+ public List<NodeData> getChildNodesData(NodeData parent) throws RepositoryException, IllegalStateException
+ {
+@@ -367,7 +392,7 @@
+ }
+
+ /**
+- * @see org.exoplatform.services.jcr.storage.WorkspaceStorageConnection#getChildPropertiesData(org.exoplatform.services.jcr.datamodel.NodeData)
++ * {@inheritDoc}
+ */
+ public List<PropertyData> getChildPropertiesData(NodeData parent) throws RepositoryException, IllegalStateException
+ {
+@@ -410,7 +435,7 @@
+ }
+
+ /**
+- * @see org.exoplatform.services.jcr.storage.WorkspaceStorageConnection#getItemData(java.lang.String)
++ * {@inheritDoc}
+ */
+ public ItemData getItemData(String identifier) throws RepositoryException, IllegalStateException
+ {
+@@ -427,7 +452,7 @@
+ }
+
+ /**
+- * @see org.exoplatform.services.jcr.storage.WorkspaceStorageConnection#getReferencesData(java.lang.String)
++ * {@inheritDoc}
+ */
+ public List<PropertyData> getReferencesData(String nodeIdentifier) throws RepositoryException,
+ IllegalStateException, UnsupportedOperationException
+@@ -445,7 +470,7 @@
+ }
+
+ /**
+- * @see org.exoplatform.services.jcr.storage.WorkspaceStorageConnection#isOpened()
++ * {@inheritDoc}
+ */
+ public boolean isOpened()
+ {
+@@ -462,7 +487,7 @@
+ }
+
+ /**
+- * @see org.exoplatform.services.jcr.storage.WorkspaceStorageConnection#listChildPropertiesData(org.exoplatform.services.jcr.datamodel.NodeData)
++ * {@inheritDoc}
+ */
+ public List<PropertyData> listChildPropertiesData(NodeData parent) throws RepositoryException, IllegalStateException
+ {
+@@ -479,7 +504,7 @@
+ }
+
+ /**
+- * @see org.exoplatform.services.jcr.storage.WorkspaceStorageConnection#rename(org.exoplatform.services.jcr.datamodel.NodeData)
++ * {@inheritDoc}
+ */
+ public void rename(NodeData data) throws RepositoryException, UnsupportedOperationException,
+ InvalidItemStateException, IllegalStateException
+@@ -497,7 +522,7 @@
+ }
+
+ /**
+- * @see org.exoplatform.services.jcr.storage.WorkspaceStorageConnection#rollback()
++ * {@inheritDoc}
+ */
+ public void rollback() throws IllegalStateException, RepositoryException
+ {
+@@ -514,7 +539,7 @@
+ }
+
+ /**
+- * @see org.exoplatform.services.jcr.storage.WorkspaceStorageConnection#update(org.exoplatform.services.jcr.datamodel.NodeData)
++ * {@inheritDoc}
+ */
+ public void update(NodeData data) throws RepositoryException, UnsupportedOperationException,
+ InvalidItemStateException, IllegalStateException
+@@ -532,7 +557,7 @@
+ }
+
+ /**
+- * @see org.exoplatform.services.jcr.storage.WorkspaceStorageConnection#update(org.exoplatform.services.jcr.datamodel.PropertyData)
++ * {@inheritDoc}
+ */
+ public void update(PropertyData data) throws RepositoryException, UnsupportedOperationException,
+ InvalidItemStateException, IllegalStateException
+Index: exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/storage/WorkspaceStorageConnection.java
+===================================================================
+--- exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/storage/WorkspaceStorageConnection.java (revision 4327)
++++ exo.jcr.component.core/src/main/java/org/exoplatform/services/jcr/storage/WorkspaceStorageConnection.java (working copy)
+@@ -126,6 +126,15 @@
+ int getChildNodesCount(NodeData parent) throws RepositoryException;
+
+ /**
++ * Reads order number of last <code>parent<code/> child nodes.
++ *
++ * @param parent NodeData
++ * @return long, order number of last parent's child node.
++ * @throws RepositoryException if error occurs
++ */
++ int getLastOrderNumber(NodeData parent) throws RepositoryException;
++
++ /**
+ * Reads <code>List</code> of <code>PropertyData</code> from the storage using item's parent
+ * location.
+ *
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