/*
* Copyright (C) 2011 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.core.lock.jbosscache;
import org.exoplatform.services.jcr.config.RepositoryConfigurationException;
import org.exoplatform.services.jcr.config.WorkspaceEntry;
import org.exoplatform.services.jcr.impl.checker.DummyRepair;
import org.exoplatform.services.jcr.impl.checker.InspectionQuery;
import org.exoplatform.services.jcr.impl.core.lock.AbstractLockTableHandler;
import org.exoplatform.services.log.ExoLogger;
import org.exoplatform.services.log.Log;
import java.sql.SQLException;
/**
* Provides means for nodes' IDs extraction in case we use {@link CacheableLockManagerImpl}
* as {@link LockManager} based on non shareable JBoss Cache instance.
* Equally applicable for single and multi db configurations.
*
* @author <a href="mailto:dkuleshov@exoplatform.com">Dmitry Kuleshov</a>
* @version $Id: JBCLockTableHandler.java 34360 2009-07-22 23:58:59Z dkuleshov $
*/
public class JBCLockTableHandler extends AbstractLockTableHandler
{
protected static final Log LOG = ExoLogger.getLogger("exo.jcr.component.core.JBCLockTableHandler");
/**
* JBCLockTableHandler constructor.
*/
public JBCLockTableHandler(final WorkspaceEntry workspaceEntry)
{
super(workspaceEntry);
}
/**
* {@inheritDoc}
*/
protected InspectionQuery getSelectQuery() throws SQLException
{
return new InspectionQuery("SELECT * FROM " + getTableName() + " WHERE " + getParentColumn() + "='/"
+ CacheableLockManagerImpl.LOCKS + "'", new String[]{getIdColumn()}, "Locks table match", new DummyRepair());
}
/**
* {@inheritDoc}
*/
protected InspectionQuery getDeleteQuery(String nodeId) throws SQLException
{
return new InspectionQuery("DELETE FROM " + getTableName() + " WHERE " + getIdColumn() + "='/"
+ CacheableLockManagerImpl.LOCKS + "/" + nodeId + "'", new String[]{}, "", new DummyRepair());
}
/**
* Returns the column name which contain node identifier.
*/
protected String getIdColumn() throws SQLException
{
try
{
return lockManagerEntry.getParameterValue(CacheableLockManagerImpl.JBOSSCACHE_JDBC_CL_FQN_COLUMN);
}
catch (RepositoryConfigurationException e)
{
throw new SQLException(e);
}
}
/**
* Returns the name of parent column.
*/
protected String getParentColumn() throws SQLException
{
try
{
return lockManagerEntry.getParameterValue(CacheableLockManagerImpl.JBOSSCACHE_JDBC_CL_PARENT_COLUMN);
}
catch (RepositoryConfigurationException e)
{
throw new SQLException(e);
}
}
/**
* Returns the name of LOCK table.
*/
protected String getTableName() throws SQLException
{
try
{
return lockManagerEntry.getParameterValue(CacheableLockManagerImpl.JBOSSCACHE_JDBC_TABLE_NAME);
}
catch (RepositoryConfigurationException e)
{
throw new SQLException(e);
}
}
/**
* {@inheritDoc}
*/
protected String getDataSourceName() throws SQLException
{
try
{
return lockManagerEntry.getParameterValue(CacheableLockManagerImpl.JBOSSCACHE_JDBC_CL_DATASOURCE);
}
catch (RepositoryConfigurationException e)
{
throw new SQLException(e);
}
}
/**
* {@inheritDoc}
*/
protected String extractNodeId(String value)
{
return value.substring(value.lastIndexOf("/") + 1);
}
}