/*
* Copyright (C) 2003-2007 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.storage.jdbc.optimisation.db;
import org.exoplatform.services.jcr.datamodel.IllegalNameException;
import org.exoplatform.services.jcr.datamodel.NodeData;
import org.exoplatform.services.jcr.datamodel.PropertyData;
import org.exoplatform.services.jcr.datamodel.QPath;
import org.exoplatform.services.jcr.impl.core.itemfilters.QPathEntryFilter;
import org.exoplatform.services.jcr.impl.storage.jdbc.JDBCDataContainerConfig;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.List;
import javax.jcr.InvalidItemStateException;
import javax.jcr.RepositoryException;
/**
* Created by The eXo Platform SAS
*
* 26.08.2009
*
* @author <a href="mailto:dezder@bk.ru">Denis Grebenyuk</a>
* @version $Id$
*/
public class HSQLDBMultiDbJDBCConnection extends MultiDbJDBCConnection
{
/**
* HSQLDB Multidatabase JDBC Connection constructor.
*
* @param dbConnection
* JDBC connection, should be opened before
* @param readOnly
* boolean if true the dbConnection was marked as READ-ONLY.
* @param containerConfig
* Workspace Storage Container configuration
*/
public HSQLDBMultiDbJDBCConnection(Connection dbConnection, boolean readOnly, JDBCDataContainerConfig containerConfig)
throws SQLException
{
super(dbConnection, readOnly, containerConfig);
}
/**
* {@inheritDoc}
*/
@Override
protected void prepareQueries() throws SQLException
{
super.prepareQueries();
FIND_PROPERTY_BY_ID =
"select bit_length(DATA)/8, I.P_TYPE, V.STORAGE_DESC from " + JCR_ITEM + " I, " + JCR_VALUE
+ " V where I.ID = ? and V.PROPERTY_ID = I.ID";
FIND_PROPERTY_BY_NAME =
"select V.DATA" + " from " + JCR_ITEM + " I, " + JCR_VALUE + " 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_ITEM + " where PARENT_ID=? and I_CLASS=1" + " order by N_ORDER_NUM";
if (containerConfig.useSequenceForOrderNumber)
{
FIND_LAST_ORDER_NUMBER = "call next value for " + JCR_ITEM_SEQ;
}
FIND_NODES_COUNT_BY_PARENTID = "select count(ID) from " + JCR_ITEM + " where PARENT_ID=? and I_CLASS=1";
FIND_PROPERTIES_BY_PARENTID = "select * from " + JCR_ITEM + " where PARENT_ID=? and I_CLASS=2" + " order by ID";
FIND_NODES_BY_PARENTID_CQ =
"select I.*, P.NAME AS PROP_NAME, V.ORDER_NUM, V.DATA from " + JCR_ITEM + " I, " + JCR_ITEM + " P, "
+ JCR_VALUE + " V" + " where I.PARENT_ID=? and I.I_CLASS=1 and (P.PARENT_ID=I.ID and P.I_CLASS=2 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_PROPERTIES_BY_PARENTID_CQ =
"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_ITEM + " I LEFT OUTER JOIN " + JCR_VALUE
+ " V ON (V.PROPERTY_ID=I.ID)" + " where I.PARENT_ID=? and I.I_CLASS=2 order by I.NAME";
FIND_WORKSPACE_DATA_SIZE = "select sum(bit_length(DATA)/8) from " + JCR_VALUE;
FIND_NODE_DATA_SIZE =
"select sum(bit_length(DATA)/8) from " + JCR_ITEM + " I, " + JCR_VALUE
+ " V where I.PARENT_ID=? and I.I_CLASS=2 and I.ID=V.PROPERTY_ID";
FIND_VALUE_STORAGE_DESC_AND_SIZE = "select bit_length(DATA)/8, STORAGE_DESC from " + JCR_VALUE + " where PROPERTY_ID=?";
}
/**
* Use simple queries since it is much faster
*/
@Override
protected QPath traverseQPath(String cpid) throws SQLException, InvalidItemStateException, IllegalNameException
{
return traverseQPathSQ(cpid);
}
public List<NodeData> getChildNodesData(NodeData parent, List<QPathEntryFilter> itemDataFilters) throws RepositoryException,
IllegalStateException
{
return getDirectChildNodesData(parent, itemDataFilters);
}
/**
* {@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.PARENT_ID='");
query.append(parentIdentifier);
query.append("' and I.I_CLASS=1 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.PARENT_ID=I.ID and P.I_CLASS=2 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());
}
}
public List<PropertyData> getChildPropertiesData(NodeData parent, List<QPathEntryFilter> itemDataFilters)
throws RepositoryException, IllegalStateException
{
return getDirectChildPropertiesData(parent, itemDataFilters);
}
/**
* {@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.PARENT_ID='");
query.append(parentCid);
query.append("' and I.I_CLASS=2 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}
*/
@Override
protected ResultSet findLastOrderNumber(int localMaxOrderNumber, boolean increment) throws SQLException
{
if (findLastOrderNumber == null)
{
findLastOrderNumber = dbConnection.prepareStatement(FIND_LAST_ORDER_NUMBER);
}
if (!increment)
{
ResultSet count;
int result = -1;
while (result < localMaxOrderNumber - 1)
{
count = findLastOrderNumber.executeQuery();
if (count.next())
{
result = count.getInt(1);
}
}
}
return findLastOrderNumber.executeQuery();
}
}