/*
* 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.db;
import org.exoplatform.services.jcr.impl.storage.jdbc.JDBCDataContainerConfig;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
/**
* Created by The eXo Platform SAS
*
* 26.08.2009
*
* @author <a href="mailto:dezder@bk.ru">Denis Grebenyuk</a>
* @version $Id:$
*/
public class HSQLDBSingleDbJDBCConnection extends SingleDbJDBCConnection
{
/**
* HSQLDB Singledatabase 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 HSQLDBSingleDbJDBCConnection(Connection dbConnection, boolean readOnly, JDBCDataContainerConfig containerConfig)
throws SQLException
{
super(dbConnection, readOnly, containerConfig);
}
/**
* {@inheritDoc}
*/
@Override
protected final void prepareQueries() throws SQLException
{
super.prepareQueries();
FIND_ITEM_BY_NAME =
"select * from JCR_SITEM"
+ " where PARENT_ID=? and CONTAINER_NAME=? and NAME=? and I_INDEX=? order by I_CLASS, VERSION DESC";
FIND_PROPERTY_BY_NAME =
"select V.DATA"
+ " from JCR_SITEM I, JCR_SVALUE V"
+ " 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 =
"select * from JCR_SITEM" + " where PARENT_ID=? and I_CLASS=2 and CONTAINER_NAME=?" + " order by ID";
FIND_WORKSPACE_DATA_SIZE =
"select sum(bit_length(DATA)/8) from JCR_SITEM I, JCR_SVALUE V where I.I_CLASS=2 and I.CONTAINER_NAME=?"
+ " and I.ID=V.PROPERTY_ID";
FIND_NODE_DATA_SIZE =
"select sum(bit_length(DATA)/8) from JCR_SITEM I, JCR_SVALUE V where I.PARENT_ID=? and I.I_CLASS=2"
+ " and I.CONTAINER_NAME=? and I.ID=V.PROPERTY_ID";
FIND_VALUE_STORAGE_DESC_AND_SIZE = "select bit_length(DATA)/8, STORAGE_DESC from JCR_SVALUE where PROPERTY_ID=?";
}
/**
* {@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, this.containerConfig.containerName);
findItemByName.setString(3, name);
findItemByName.setInt(4, index);
return findItemByName.executeQuery();
}
/**
* {@inheritDoc}
*/
@Override
protected ResultSet findPropertyByName(String parentCid, String name) throws SQLException
{
if (findPropertyByName == null)
{
findPropertyByName = dbConnection.prepareStatement(FIND_PROPERTY_BY_NAME);
}
else
{
findPropertyByName.clearParameters();
}
findPropertyByName.setString(1, parentCid);
findPropertyByName.setString(2, this.containerConfig.containerName);
findPropertyByName.setString(3, name);
return findPropertyByName.executeQuery();
}
/**
* {@inheritDoc}
*/
@Override
protected ResultSet findChildNodesByParentIdentifier(String parentCid) throws SQLException
{
if (findNodesByParentId == null)
{
findNodesByParentId = dbConnection.prepareStatement(FIND_NODES_BY_PARENTID);
}
else
{
findNodesByParentId.clearParameters();
}
findNodesByParentId.setString(1, parentCid);
findNodesByParentId.setString(2, this.containerConfig.containerName);
return findNodesByParentId.executeQuery();
}
/**
* {@inheritDoc}
*/
@Override
protected ResultSet findChildNodesCountByParentIdentifier(String parentCid) throws SQLException
{
if (findNodesCountByParentId == null)
{
findNodesCountByParentId = dbConnection.prepareStatement(FIND_NODES_COUNT_BY_PARENTID);
}
else
{
findNodesCountByParentId.clearParameters();
}
findNodesCountByParentId.setString(1, parentCid);
findNodesCountByParentId.setString(2, this.containerConfig.containerName);
return findNodesCountByParentId.executeQuery();
}
/**
* {@inheritDoc}
*/
@Override
protected ResultSet findChildPropertiesByParentIdentifier(String parentCid) throws SQLException
{
if (findPropertiesByParentId == null)
{
findPropertiesByParentId = dbConnection.prepareStatement(FIND_PROPERTIES_BY_PARENTID);
}
else
{
findPropertiesByParentId.clearParameters();
}
findPropertiesByParentId.setString(1, parentCid);
findPropertiesByParentId.setString(2, this.containerConfig.containerName);
return findPropertiesByParentId.executeQuery();
}
}