Package org.exoplatform.services.jcr.impl.core.lock.jbosscache

Source Code of org.exoplatform.services.jcr.impl.core.lock.jbosscache.JBCShareableLockTableHandler

/*
* Copyright (C) 2003-2010 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.core.lock.jbosscache;

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.LockTableHandler;

import java.sql.SQLException;

import javax.sql.DataSource;

/**
* Provides means for nodes' IDs extraction in case we use {@link CacheableLockManagerImpl}
* as {@link LockManager} based on shareable JBoss Cache instance.
* Equally applicable for single and multi db configurations.
*
* @author <a href="mailto:dkuleshov@exoplatform.com">Dmitry Kuleshov</a>
* @version $Id: JBCShareableLockTableHandler.java 34360 2009-07-22 23:58:59Z dkuleshov $
*
*/
public class JBCShareableLockTableHandler extends JBCLockTableHandler implements LockTableHandler
{

   /**
    * JBCShareableLockTableHandler constructor.
    */
   public JBCShareableLockTableHandler(WorkspaceEntry workspaceEntry, DataSource ds)
   {
      super(workspaceEntry, ds);
   }

   /**
    * {@inheritDoc}
    */
   protected InspectionQuery getSelectQuery() throws SQLException
   {
      return new InspectionQuery("SELECT * FROM " + getTableName() + " WHERE " + getParentColumn() + "='/"
         + workspaceEntry.getUniqueName() + "/" + CacheableLockManagerImpl.LOCKS + "'", new String[]{getIdColumn()},
         "Locks table match", new DummyRepair());
   }

   protected InspectionQuery getDeleteQuery(String nodeId) throws SQLException
   {
      return new InspectionQuery("DELETE FROM " + getTableName() + " WHERE " + getIdColumn() + "='/"
         + workspaceEntry.getUniqueName() + "/" + CacheableLockManagerImpl.LOCKS + "/" + nodeId + "'", new String[]{},
         "", new DummyRepair());
   }
}
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