/*
* Copyright (C) 2009 eXo Platform SAS.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.services.jcr.impl.storage.jdbc.optimisation.db;
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.itemfilters.QPathEntryFilter;
import org.exoplatform.services.jcr.impl.dataflow.ValueDataConvertor;
import org.exoplatform.services.jcr.impl.storage.jdbc.optimisation.CQJDBCStorageConnection;
import org.exoplatform.services.jcr.impl.util.io.FileCleaner;
import org.exoplatform.services.jcr.storage.value.ValueStoragePluginProvider;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Types;
import java.util.List;
/**
* Single database connection implementation.
*
* Created by The eXo Platform SAS. </br>
*
* @author <a href="mailto:gennady.azarenkov@exoplatform.com">Gennady
* Azarenkov</a>
* @version $Id: MultiDbJDBCConnection.java 20950 2008-10-06 14:23:07Z
* pnedonosko $
*/
public class MultiDbJDBCConnection extends CQJDBCStorageConnection
{
protected static final String FIND_NODES_BY_PARENTID_CQ_QUERY =
"select I.*, P.NAME AS PROP_NAME, V.ORDER_NUM, V.DATA from JCR_MITEM I, JCR_MITEM P, JCR_MVALUE V"
+ " where I.I_CLASS=1 and I.PARENT_ID=? and P.I_CLASS=2 and P.PARENT_ID=I.ID and"
+ " (P.NAME='[http://www.jcp.org/jcr/1.0]primaryType' or P.NAME='[http://www.jcp.org/jcr/1.0]mixinTypes'"
+ " or P.NAME='[http://www.exoplatform.com/jcr/exo/1.0]owner'"
+ " or P.NAME='[http://www.exoplatform.com/jcr/exo/1.0]permissions')"
+ " and V.PROPERTY_ID=P.ID order by I.N_ORDER_NUM, I.ID";
protected static final String FIND_PROPERTIES_BY_PARENTID_CQ_QUERY =
"select I.ID, I.PARENT_ID, I.NAME, I.VERSION, I.I_CLASS, I.I_INDEX, I.N_ORDER_NUM, I.P_TYPE, I.P_MULTIVALUED,"
+ " V.ORDER_NUM, V.DATA, V.STORAGE_DESC from JCR_MITEM I LEFT OUTER JOIN JCR_MVALUE V ON (V.PROPERTY_ID=I.ID)"
+ " where I.I_CLASS=2 and I.PARENT_ID=? order by I.NAME";
protected static final String FIND_ITEM_QPATH_BY_ID_CQ_QUERY =
"select I.ID, I.PARENT_ID, I.NAME, I.I_INDEX"
+ " 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";
protected String PATTERN_ESCAPE_STRING = "\\"; //valid for HSQL, Sybase, DB2, MSSQL, ORACLE
/**
* Multidatabase JDBC Connection constructor.
*
* @param dbConnection JDBC connection, shoudl be opened before
* @param readOnly, boolean if true the dbConnection was marked as READ-ONLY.
* @param containerName Workspace Storage Container name (see configuration)
* @param valueStorageProvider External Value Storages provider
* @param maxBufferSize Maximum buffer size (see configuration)
* @param swapDirectory Swap directory (see configuration)
* @param swapCleaner Swap cleaner (internal FileCleaner).
* @throws SQLException
* @see org.exoplatform.services.jcr.impl.util.io.FileCleaner
*/
public MultiDbJDBCConnection(Connection dbConnection, boolean readOnly, String containerName,
ValueStoragePluginProvider valueStorageProvider, int maxBufferSize, File swapDirectory, FileCleaner swapCleaner)
throws SQLException
{
super(dbConnection, readOnly, containerName, valueStorageProvider, maxBufferSize, swapDirectory, swapCleaner);
}
/**
* {@inheritDoc}
*/
@Override
protected String getIdentifier(final String internalId)
{
return internalId;
}
/**
* {@inheritDoc}
*/
@Override
protected String getInternalId(final String identifier)
{
return identifier;
}
/**
* {@inheritDoc}
*/
@Override
protected void prepareQueries() throws SQLException
{
JCR_PK_ITEM = "JCR_PK_MITEM";
JCR_FK_ITEM_PARENT = "JCR_FK_MITEM_PARENT";
JCR_IDX_ITEM_PARENT = "JCR_IDX_MITEM_PARENT";
JCR_IDX_ITEM_PARENT_NAME = "JCR_IDX_MITEM_PARENT_NAME";
JCR_IDX_ITEM_PARENT_ID = "JCR_IDX_MITEM_PARENT_ID";
JCR_PK_VALUE = "JCR_PK_MVALUE";
JCR_FK_VALUE_PROPERTY = "JCR_FK_MVALUE_PROPERTY";
JCR_IDX_VALUE_PROPERTY = "JCR_IDX_MVALUE_PROPERTY";
JCR_PK_REF = "JCR_PK_MREF";
JCR_IDX_REF_PROPERTY = "JCR_IDX_MREF_PROPERTY";
FIND_ITEM_BY_ID = "select * from JCR_MITEM where ID=?";
FIND_ITEM_BY_NAME =
"select * from JCR_MITEM I where PARENT_ID=? and NAME=? and I_INDEX=? order by I_CLASS, VERSION DESC";
FIND_PROPERTY_BY_NAME =
"select V.DATA" + " from JCR_MITEM I, JCR_MVALUE V"
+ " where I.I_CLASS=2 and I.PARENT_ID=? and I.NAME=? and I.ID=V.PROPERTY_ID order by V.ORDER_NUM";
FIND_REFERENCES =
"select P.ID, P.PARENT_ID, P.VERSION, P.P_TYPE, P.P_MULTIVALUED, P.NAME" + " from JCR_MREF R, JCR_MITEM P"
+ " where R.NODE_ID=? and P.ID=R.PROPERTY_ID and P.I_CLASS=2";
FIND_VALUES_BY_PROPERTYID =
"select PROPERTY_ID, ORDER_NUM, DATA, STORAGE_DESC from JCR_MVALUE where PROPERTY_ID=? order by ORDER_NUM";
FIND_VALUES_VSTORAGE_DESC_BY_PROPERTYID = "select distinct STORAGE_DESC from JCR_MVALUE where PROPERTY_ID=?";
FIND_NODES_BY_PARENTID = "select * from JCR_MITEM" + " where I_CLASS=1 and PARENT_ID=?" + " order by N_ORDER_NUM";
FIND_NODES_BY_PARENTID_CQ = FIND_NODES_BY_PARENTID_CQ_QUERY;
FIND_NODE_MAIN_PROPERTIES_BY_PARENTID_CQ =
"select I.NAME, V.DATA, V.ORDER_NUM from JCR_MITEM I, JCR_MVALUE V"
+ " where I.I_CLASS=2 and I.PARENT_ID=? and (I.NAME='[http://www.jcp.org/jcr/1.0]primaryType' or"
+ " I.NAME='[http://www.jcp.org/jcr/1.0]mixinTypes' or"
+ " I.NAME='[http://www.exoplatform.com/jcr/exo/1.0]owner' or"
+ " I.NAME='[http://www.exoplatform.com/jcr/exo/1.0]permissions') and " + "I.ID=V.PROPERTY_ID";
FIND_ITEM_QPATH_BY_ID_CQ = FIND_ITEM_QPATH_BY_ID_CQ_QUERY;
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";
// property may contain no values
FIND_PROPERTIES_BY_PARENTID_CQ = FIND_PROPERTIES_BY_PARENTID_CQ_QUERY;
FIND_PROPERTIES_BY_PARENTID_AND_PATTERN_CQ_TEMPLATE =
"select I.ID, I.PARENT_ID, I.NAME, I.VERSION, I.I_CLASS, I.I_INDEX, I.N_ORDER_NUM, I.P_TYPE, I.P_MULTIVALUED,"
+ " V.ORDER_NUM, V.DATA, V.STORAGE_DESC from JCR_MITEM I LEFT OUTER JOIN JCR_MVALUE V ON (V.PROPERTY_ID=I.ID)";
FIND_NODES_BY_PARENTID_AND_PATTERN_CQ_TEMPLATE =
"select I.*, P.NAME AS PROP_NAME, V.ORDER_NUM, V.DATA from JCR_MITEM I, JCR_MITEM P, JCR_MVALUE V";
FIND_MAX_PROPERTY_VERSIONS =
"select max(VERSION) FROM JCR_MITEM WHERE PARENT_ID=? and NAME=? and I_INDEX=? and I_CLASS=2";
INSERT_NODE =
"insert into JCR_MITEM(ID, PARENT_ID, NAME, VERSION, I_CLASS, I_INDEX, N_ORDER_NUM) VALUES(?,?,?,?,"
+ I_CLASS_NODE + ",?,?)";
INSERT_PROPERTY =
"insert into JCR_MITEM(ID, PARENT_ID, NAME, VERSION, I_CLASS, I_INDEX, P_TYPE, P_MULTIVALUED) VALUES(?,?,?,?,"
+ I_CLASS_PROPERTY + ",?,?,?)";
INSERT_VALUE = "insert into JCR_MVALUE(DATA, ORDER_NUM, PROPERTY_ID, STORAGE_DESC) VALUES(?,?,?,?)";
INSERT_REF = "insert into JCR_MREF(NODE_ID, PROPERTY_ID, ORDER_NUM) VALUES(?,?,?)";
RENAME_NODE = "update JCR_MITEM set PARENT_ID=?, NAME =?, VERSION=?, I_INDEX =?, N_ORDER_NUM =? where ID=?";
UPDATE_NODE = "update JCR_MITEM set VERSION=?, I_INDEX=?, N_ORDER_NUM=? where ID=?";
UPDATE_PROPERTY = "update JCR_MITEM set VERSION=?, P_TYPE=? where ID=?";
//UPDATE_VALUE = "update JCR_MVALUE set DATA=?, STORAGE_DESC=? where PROPERTY_ID=?, ORDER_NUM=?";
DELETE_ITEM = "delete from JCR_MITEM where ID=?";
DELETE_VALUE = "delete from JCR_MVALUE where PROPERTY_ID=?";
DELETE_REF = "delete from JCR_MREF where PROPERTY_ID=?";
FIND_NODES_AND_PROPERTIES =
"select J.*, P.ID AS P_ID, P.NAME AS P_NAME, P.VERSION AS P_VERSION, P.P_TYPE, P.P_MULTIVALUED,"
+ " V.DATA, V.ORDER_NUM, V.STORAGE_DESC from JCR_MVALUE V, JCR_MITEM P"
+ " join (select I.ID, I.PARENT_ID, I.NAME, I.VERSION, I.I_INDEX, I.N_ORDER_NUM from JCR_MITEM I"
+ " where I.I_CLASS=1 AND I.ID > ? order by I.ID LIMIT ? OFFSET ?) J on P.PARENT_ID = J.ID"
+ " where P.I_CLASS=2 and V.PROPERTY_ID=P.ID order by J.ID";
FIND_PROPERTY_BY_ID =
"select I.P_TYPE, V.STORAGE_DESC from JCR_MITEM I, JCR_MVALUE V where I.ID = ? and V.PROPERTY_ID = I.ID";
DELETE_VALUE_BY_ORDER_NUM = "delete from JCR_MVALUE where PROPERTY_ID=? and ORDER_NUM >= ?";
UPDATE_VALUE = "update JCR_MVALUE set DATA=?, STORAGE_DESC=? where PROPERTY_ID=? and ORDER_NUM=?";
FIND_NODES_BY_PARENTID_LAZILY_CQ =
"select I.*, P.NAME AS PROP_NAME, V.ORDER_NUM, V.DATA from JCR_MITEM I, JCR_MITEM P, JCR_MVALUE V"
+ " where I.I_CLASS=1 and I.PARENT_ID=? and I.N_ORDER_NUM >= ? and I.N_ORDER_NUM <= ? and"
+ " P.I_CLASS=2 and P.PARENT_ID=I.ID and (P.NAME='[http://www.jcp.org/jcr/1.0]primaryType' or"
+ " P.NAME='[http://www.jcp.org/jcr/1.0]mixinTypes' or"
+ " P.NAME='[http://www.exoplatform.com/jcr/exo/1.0]owner' or"
+ " P.NAME='[http://www.exoplatform.com/jcr/exo/1.0]permissions')"
+ " and V.PROPERTY_ID=P.ID order by I.N_ORDER_NUM, I.ID";
FIND_ACL_HOLDERS =
"select I.PARENT_ID, I.P_TYPE "
+ " from JCR_MITEM I where I.I_CLASS=2 and (I.NAME='[http://www.exoplatform.com/jcr/exo/1.0]owner'"
+ " or I.NAME='[http://www.exoplatform.com/jcr/exo/1.0]permissions')";
}
/**
* {@inheritDoc}
*/
@Override
protected int addNodeRecord(NodeData data) throws SQLException
{
if (insertNode == null)
{
insertNode = dbConnection.prepareStatement(INSERT_NODE);
}
else
{
insertNode.clearParameters();
}
insertNode.setString(1, data.getIdentifier());
insertNode.setString(2, data.getParentIdentifier() == null ? Constants.ROOT_PARENT_UUID : data
.getParentIdentifier());
insertNode.setString(3, data.getQPath().getName().getAsString());
insertNode.setInt(4, data.getPersistedVersion());
insertNode.setInt(5, data.getQPath().getIndex());
insertNode.setInt(6, data.getOrderNumber());
return insertNode.executeUpdate();
}
/**
* {@inheritDoc}
*/
@Override
protected int addPropertyRecord(PropertyData data) throws SQLException
{
if (insertProperty == null)
{
insertProperty = dbConnection.prepareStatement(INSERT_PROPERTY);
}
else
{
insertProperty.clearParameters();
}
insertProperty.setString(1, data.getIdentifier());
insertProperty.setString(2, data.getParentIdentifier());
insertProperty.setString(3, data.getQPath().getName().getAsString());
insertProperty.setInt(4, data.getPersistedVersion());
insertProperty.setInt(5, data.getQPath().getIndex());
insertProperty.setInt(6, data.getType());
insertProperty.setBoolean(7, data.isMultiValued());
return insertProperty.executeUpdate();
}
/**
* {@inheritDoc}
*/
@Override
protected int addReference(PropertyData data) throws SQLException, IOException
{
if (insertReference == null)
{
insertReference = dbConnection.prepareStatement(INSERT_REF);
}
else
{
insertReference.clearParameters();
}
if (data.getQPath().getAsString().indexOf("versionableUuid") > 0)
{
LOG.info("add ref versionableUuid " + data.getQPath().getAsString());
}
List<ValueData> values = data.getValues();
int added = 0;
for (int i = 0; i < values.size(); i++)
{
ValueData vdata = values.get(i);
String refNodeIdentifier = ValueDataConvertor.readString(vdata);
insertReference.setString(1, refNodeIdentifier);
insertReference.setString(2, data.getIdentifier());
insertReference.setInt(3, i);
added += insertReference.executeUpdate();
}
return added;
}
/**
* {@inheritDoc}
*/
@Override
protected int deleteReference(String propertyIdentifier) throws SQLException
{
if (deleteReference == null)
{
deleteReference = dbConnection.prepareStatement(DELETE_REF);
}
else
{
deleteReference.clearParameters();
}
deleteReference.setString(1, propertyIdentifier);
return deleteReference.executeUpdate();
}
/**
* {@inheritDoc}
*/
@Override
protected int deleteItemByIdentifier(String identifier) throws SQLException
{
if (deleteItem == null)
{
deleteItem = dbConnection.prepareStatement(DELETE_ITEM);
}
else
{
deleteItem.clearParameters();
}
deleteItem.setString(1, identifier);
return deleteItem.executeUpdate();
}
/**
* {@inheritDoc}
*/
@Override
protected int updateNodeByIdentifier(int version, int index, int orderNumb, String identifier) throws SQLException
{
if (updateNode == null)
{
updateNode = dbConnection.prepareStatement(UPDATE_NODE);
}
else
{
updateNode.clearParameters();
}
updateNode.setInt(1, version);
updateNode.setInt(2, index);
updateNode.setInt(3, orderNumb);
updateNode.setString(4, identifier);
return updateNode.executeUpdate();
}
/**
* {@inheritDoc}
*/
@Override
protected int updatePropertyByIdentifier(int version, int type, String identifier) throws SQLException
{
if (updateProperty == null)
{
updateProperty = dbConnection.prepareStatement(UPDATE_PROPERTY);
}
else
{
updateProperty.clearParameters();
}
updateProperty.setInt(1, version);
updateProperty.setInt(2, type);
updateProperty.setString(3, identifier);
return updateProperty.executeUpdate();
}
/**
* {@inheritDoc}
*/
@Override
protected ResultSet findItemByName(String parentId, String name, int index) throws SQLException
{
if (findItemByName == null)
{
findItemByName = dbConnection.prepareStatement(FIND_ITEM_BY_NAME);
}
else
{
findItemByName.clearParameters();
}
findItemByName.setString(1, parentId);
findItemByName.setString(2, name);
findItemByName.setInt(3, index);
return findItemByName.executeQuery();
}
/**
* {@inheritDoc}
*/
@Override
protected ResultSet findPropertyByName(String parentId, String name) throws SQLException
{
if (findPropertyByName == null)
{
findPropertyByName = dbConnection.prepareStatement(FIND_PROPERTY_BY_NAME);
}
else
{
findPropertyByName.clearParameters();
}
findPropertyByName.setString(1, parentId);
findPropertyByName.setString(2, name);
return findPropertyByName.executeQuery();
}
/**
* {@inheritDoc}
*/
@Override
protected ResultSet findItemByIdentifier(String identifier) throws SQLException
{
if (findItemById == null)
{
findItemById = dbConnection.prepareStatement(FIND_ITEM_BY_ID);
}
else
{
findItemById.clearParameters();
}
findItemById.setString(1, identifier);
return findItemById.executeQuery();
}
/**
* {@inheritDoc}
*/
@Override
protected ResultSet findReferences(String nodeIdentifier) throws SQLException
{
if (findReferences == null)
{
findReferences = dbConnection.prepareStatement(FIND_REFERENCES);
}
else
{
findReferences.clearParameters();
}
findReferences.setString(1, nodeIdentifier);
return findReferences.executeQuery();
}
/**
* {@inheritDoc}
*/
@Override
protected ResultSet findChildNodesByParentIdentifier(String parentIdentifier) throws SQLException
{
if (findNodesByParentId == null)
{
findNodesByParentId = dbConnection.prepareStatement(FIND_NODES_BY_PARENTID);
}
else
{
findNodesByParentId.clearParameters();
}
findNodesByParentId.setString(1, parentIdentifier);
return findNodesByParentId.executeQuery();
}
/**
* {@inheritDoc}
*/
@Override
protected ResultSet findChildNodesByParentIdentifierCQ(String parentIdentifier) throws SQLException
{
if (findNodesByParentIdCQ == null)
{
findNodesByParentIdCQ = dbConnection.prepareStatement(FIND_NODES_BY_PARENTID_CQ);
}
else
{
findNodesByParentIdCQ.clearParameters();
}
findNodesByParentIdCQ.setString(1, parentIdentifier);
return findNodesByParentIdCQ.executeQuery();
}
/**
* {@inheritDoc}
*/
@Override
protected ResultSet findChildNodesByParentIdentifierCQ(String parentIdentifier, List<QPathEntryFilter> pattern)
throws SQLException
{
if (pattern.isEmpty())
{
throw new SQLException("Pattern list is empty.");
}
else
{
if (findNodesByParentIdAndComplexPatternCQ == null)
{
findNodesByParentIdAndComplexPatternCQ = dbConnection.createStatement();
}
//create query from list
StringBuilder query = new StringBuilder(FIND_NODES_BY_PARENTID_AND_PATTERN_CQ_TEMPLATE);
query.append(" where I.I_CLASS=1 and I.PARENT_ID='");
query.append(parentIdentifier);
query.append("' and ( ");
appendPattern(query, pattern.get(0).getQPathEntry(), true);
for (int i = 1; i < pattern.size(); i++)
{
query.append(" or ");
appendPattern(query, pattern.get(i).getQPathEntry(), true);
}
query.append(" ) and P.I_CLASS=2 and P.PARENT_ID=I.ID and (P.NAME='[http://www.jcp.org/jcr/1.0]primaryType'");
query.append(" or P.NAME='[http://www.jcp.org/jcr/1.0]mixinTypes'");
query.append(" or P.NAME='[http://www.exoplatform.com/jcr/exo/1.0]owner'");
query.append(" or P.NAME='[http://www.exoplatform.com/jcr/exo/1.0]permissions')");
query.append(" and V.PROPERTY_ID=P.ID order by I.N_ORDER_NUM, I.ID");
return findNodesByParentIdAndComplexPatternCQ.executeQuery(query.toString());
}
}
/**
* {@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)
{
findNodesCountByParentId = dbConnection.prepareStatement(FIND_NODES_COUNT_BY_PARENTID);
}
else
{
findNodesCountByParentId.clearParameters();
}
findNodesCountByParentId.setString(1, parentIdentifier);
return findNodesCountByParentId.executeQuery();
}
/**
* {@inheritDoc}
*/
@Override
protected ResultSet findChildPropertiesByParentIdentifier(String parentIdentifier) throws SQLException
{
if (findPropertiesByParentId == null)
{
findPropertiesByParentId = dbConnection.prepareStatement(FIND_PROPERTIES_BY_PARENTID);
}
else
{
findPropertiesByParentId.clearParameters();
}
findPropertiesByParentId.setString(1, parentIdentifier);
return findPropertiesByParentId.executeQuery();
}
/**
* {@inheritDoc}
*/
@Override
protected ResultSet findChildPropertiesByParentIdentifierCQ(String parentCid, List<QPathEntryFilter> pattern)
throws SQLException
{
if (pattern.isEmpty())
{
throw new SQLException("Pattern list is empty.");
}
else
{
if (findPropertiesByParentIdAndComplexPatternCQ == null)
{
findPropertiesByParentIdAndComplexPatternCQ = dbConnection.createStatement();
}
//create query from list
StringBuilder query = new StringBuilder(FIND_PROPERTIES_BY_PARENTID_AND_PATTERN_CQ_TEMPLATE);
query.append(" where I.I_CLASS=2 and I.PARENT_ID='");
query.append(parentCid);
query.append("' and ( ");
appendPattern(query, pattern.get(0).getQPathEntry(), false);
for (int i = 1; i < pattern.size(); i++)
{
query.append(" or ");
appendPattern(query, pattern.get(i).getQPathEntry(), false);
}
query.append(" ) order by I.NAME");
return findPropertiesByParentIdAndComplexPatternCQ.executeQuery(query.toString());
}
}
/**
* {@inheritDoc}
*/
protected ResultSet findChildNodesByParentIdentifier(String parentCid, int fromOrderNum, int toOrderNum)
throws SQLException
{
if (findNodesByParentIdLazilyCQ == null)
{
findNodesByParentIdLazilyCQ = dbConnection.prepareStatement(FIND_NODES_BY_PARENTID_LAZILY_CQ);
}
else
{
findNodesByParentIdLazilyCQ.clearParameters();
}
findNodesByParentIdLazilyCQ.setString(1, parentCid);
findNodesByParentIdLazilyCQ.setInt(2, fromOrderNum);
findNodesByParentIdLazilyCQ.setInt(3, toOrderNum);
return findNodesByParentIdLazilyCQ.executeQuery();
}
// -------- values processing ------------
/**
* {@inheritDoc}
*/
@Override
protected int addValueData(String cid, int orderNumber, InputStream stream, int streamLength, String storageDesc)
throws SQLException
{
if (insertValue == null)
{
insertValue = dbConnection.prepareStatement(INSERT_VALUE);
}
else
{
insertValue.clearParameters();
}
if (stream == null)
{
// [PN] store vd reference to external storage etc.
insertValue.setNull(1, Types.BINARY);
insertValue.setString(4, storageDesc);
}
else
{
insertValue.setBinaryStream(1, stream, streamLength);
insertValue.setNull(4, Types.VARCHAR);
}
insertValue.setInt(2, orderNumber);
insertValue.setString(3, cid);
return insertValue.executeUpdate();
}
/**
* {@inheritDoc}
*/
@Override
protected int deleteValueData(String cid) throws SQLException
{
if (deleteValue == null)
{
deleteValue = dbConnection.prepareStatement(DELETE_VALUE);
}
else
{
deleteValue.clearParameters();
}
deleteValue.setString(1, cid);
return deleteValue.executeUpdate();
}
/**
* {@inheritDoc}
*/
@Override
protected ResultSet findValuesByPropertyId(String cid) throws SQLException
{
if (findValuesByPropertyId == null)
{
findValuesByPropertyId = dbConnection.prepareStatement(FIND_VALUES_BY_PROPERTYID);
}
else
{
findValuesByPropertyId.clearParameters();
}
findValuesByPropertyId.setString(1, cid);
return findValuesByPropertyId.executeQuery();
}
/**
* {@inheritDoc}
*/
@Override
protected int renameNode(NodeData data) throws SQLException
{
if (renameNode == null)
{
renameNode = dbConnection.prepareStatement(RENAME_NODE);
}
else
{
renameNode.clearParameters();
}
renameNode.setString(1, data.getParentIdentifier() == null ? Constants.ROOT_PARENT_UUID : data
.getParentIdentifier());
renameNode.setString(2, data.getQPath().getName().getAsString());
renameNode.setInt(3, data.getPersistedVersion());
renameNode.setInt(4, data.getQPath().getIndex());
renameNode.setInt(5, data.getOrderNumber());
renameNode.setString(6, data.getIdentifier());
return renameNode.executeUpdate();
}
/**
* {@inheritDoc}
*/
@Override
protected ResultSet findValuesStorageDescriptorsByPropertyId(String cid) throws SQLException
{
if (findValuesStorageDescriptorsByPropertyId == null)
{
findValuesStorageDescriptorsByPropertyId =
dbConnection.prepareStatement(FIND_VALUES_VSTORAGE_DESC_BY_PROPERTYID);
}
else
{
findValuesStorageDescriptorsByPropertyId.clearParameters();
}
findValuesStorageDescriptorsByPropertyId.setString(1, cid);
return findValuesStorageDescriptorsByPropertyId.executeQuery();
}
/**
* {@inheritDoc}
*/
@Override
protected ResultSet findChildPropertiesByParentIdentifierCQ(String parentIdentifier) throws SQLException
{
if (findPropertiesByParentIdCQ == null)
{
findPropertiesByParentIdCQ = dbConnection.prepareStatement(FIND_PROPERTIES_BY_PARENTID_CQ);
}
else
{
findPropertiesByParentIdCQ.clearParameters();
}
findPropertiesByParentIdCQ.setString(1, parentIdentifier);
return findPropertiesByParentIdCQ.executeQuery();
}
/**
* {@inheritDoc}
*/
@Override
protected ResultSet findNodeMainPropertiesByParentIdentifierCQ(String parentIdentifier) throws SQLException
{
if (findNodeMainPropertiesByParentIdentifierCQ == null)
{
findNodeMainPropertiesByParentIdentifierCQ =
dbConnection.prepareStatement(FIND_NODE_MAIN_PROPERTIES_BY_PARENTID_CQ);
}
else
{
findNodeMainPropertiesByParentIdentifierCQ.clearParameters();
}
findNodeMainPropertiesByParentIdentifierCQ.setString(1, parentIdentifier);
return findNodeMainPropertiesByParentIdentifierCQ.executeQuery();
}
/**
* {@inheritDoc}
*/
@Override
protected ResultSet findItemQPathByIdentifierCQ(String identifier) throws SQLException
{
if (findItemQPathByIdentifierCQ == null)
{
findItemQPathByIdentifierCQ = dbConnection.prepareStatement(FIND_ITEM_QPATH_BY_ID_CQ);
}
else
{
findItemQPathByIdentifierCQ.clearParameters();
}
findItemQPathByIdentifierCQ.setString(1, identifier);
return findItemQPathByIdentifierCQ.executeQuery();
}
protected int deleteValueDataByOrderNum(String id, int orderNum) throws SQLException
{
if (deleteValueDataByOrderNum == null)
{
deleteValueDataByOrderNum = dbConnection.prepareStatement(DELETE_VALUE_BY_ORDER_NUM);
}
else
{
deleteValueDataByOrderNum.clearParameters();
}
deleteValueDataByOrderNum.setString(1, id);
deleteValueDataByOrderNum.setInt(2, orderNum);
return deleteValueDataByOrderNum.executeUpdate();
}
protected ResultSet findPropertyById(String id) throws SQLException
{
if (findPropertyById == null)
{
findPropertyById = dbConnection.prepareStatement(FIND_PROPERTY_BY_ID);
}
else
{
findPropertyById.clearParameters();
}
findPropertyById.setString(1, id);
return findPropertyById.executeQuery();
}
protected int updateValueData(String cid, int orderNumber, InputStream stream, int streamLength, String storageDesc)
throws SQLException
{
if (updateValue == null)
{
updateValue = dbConnection.prepareStatement(UPDATE_VALUE);
}
else
{
updateValue.clearParameters();
}
if (stream == null)
{
// [PN] store vd reference to external storage etc.
updateValue.setNull(1, Types.BINARY);
updateValue.setString(2, storageDesc);
}
else
{
updateValue.setBinaryStream(1, stream, streamLength);
updateValue.setNull(2, Types.VARCHAR);
}
updateValue.setString(3, cid);
updateValue.setInt(4, orderNumber);
return updateValue.executeUpdate();
}
/**
* {@inheritDoc}
*/
@Override
protected ResultSet findNodesAndProperties(String lastNodeId, int offset, int limit) throws SQLException
{
if (findNodesAndProperties == null)
{
findNodesAndProperties = dbConnection.prepareStatement(FIND_NODES_AND_PROPERTIES);
}
else
{
findNodesAndProperties.clearParameters();
}
findNodesAndProperties.setString(1, lastNodeId);
findNodesAndProperties.setInt(2, limit);
findNodesAndProperties.setInt(3, offset);
return findNodesAndProperties.executeQuery();
}
/**
* Replace underscore in pattern with escaped symbol. Replace jcr-wildcard '*' with sql-wildcard '%'.
*
* @param pattern
* @return pattern with escaped underscore and fixed wildcard symbols
*/
protected String fixEscapeSymbols(String pattern)
{
char[] chars = pattern.toCharArray();
StringBuilder sb = new StringBuilder();
for (int i = 0; i < chars.length; i++)
{
switch (chars[i])
{
case '*' :
sb.append('%');
break;
case '_' :
case '%' :
sb.append(getWildcardEscapeSymbold());
default :
sb.append(chars[i]);
}
}
return sb.toString();
}
/**
* Append pattern expression.
* Appends String "I.NAME LIKE 'escaped pattern' ESCAPE 'escapeString'" or "I.NAME='pattern'"
* to String builder sb.
*
* @param sb StringBuilder
* @param indexConstraint
* @param pattern
*/
protected void appendPattern(StringBuilder sb, QPathEntry entry, boolean indexConstraint)
{
String pattern = entry.getAsString(false);
sb.append("(I.NAME");
if (pattern.contains("*"))
{
sb.append(" LIKE '");
sb.append(fixEscapeSymbols(pattern));
sb.append("' ESCAPE '");
sb.append(getLikeExpressionEscape());
sb.append("'");
}
else
{
sb.append("='");
sb.append(pattern);
sb.append("'");
}
if (indexConstraint && entry.getIndex() != -1)
{
sb.append(" and I.I_INDEX=");
sb.append(entry.getIndex());
}
sb.append(")");
}
protected String getWildcardEscapeSymbold()
{
return PATTERN_ESCAPE_STRING;
}
protected String getLikeExpressionEscape()
{
return PATTERN_ESCAPE_STRING;
}
/**
* {@inheritDoc}
*/
@Override
protected ResultSet findACLHolders() throws SQLException
{
if (findACLHolders == null)
{
findACLHolders = dbConnection.prepareStatement(FIND_ACL_HOLDERS);
}
return findACLHolders.executeQuery();
}
/**
* {@inheritDoc}
*/
protected void deleteLockProperties() throws SQLException
{
PreparedStatement removeValuesStatement = null;
PreparedStatement removeItemsStatement = null;
try
{
removeValuesStatement =
dbConnection.prepareStatement("DELETE FROM JCR_MVALUE WHERE PROPERTY_ID IN"
+ " (SELECT ID FROM JCR_MITEM WHERE NAME = '[http://www.jcp.org/jcr/1.0]lockIsDeep' OR"
+ " NAME = '[http://www.jcp.org/jcr/1.0]lockOwner')");
removeItemsStatement =
dbConnection.prepareStatement("DELETE FROM JCR_MITEM WHERE "
+ " NAME = '[http://www.jcp.org/jcr/1.0]lockIsDeep' OR"
+ " NAME = '[http://www.jcp.org/jcr/1.0]lockOwner'");
removeValuesStatement.executeUpdate();
removeItemsStatement.executeUpdate();
}
finally
{
if (removeValuesStatement != null)
{
try
{
removeValuesStatement.close();
}
catch (SQLException e)
{
LOG.error("Can't close statement", e);
}
}
if (removeItemsStatement != null)
{
try
{
removeItemsStatement.close();
}
catch (SQLException e)
{
LOG.error("Can't close statement", e);
}
}
}
}
/**
* {@inheritDoc}
*/
protected ResultSet findMaxPropertyVersion(String parentId, String name, int index) throws SQLException
{
if (findMaxPropertyVersions == null)
{
findMaxPropertyVersions = dbConnection.prepareStatement(FIND_MAX_PROPERTY_VERSIONS);
}
findMaxPropertyVersions.setString(1, getInternalId(parentId));
findMaxPropertyVersions.setString(2, name);
findMaxPropertyVersions.setInt(3, index);
return findMaxPropertyVersions.executeQuery();
}
}