Package org.jboss.ejb.plugins.cmp.jdbc

Source Code of org.jboss.ejb.plugins.cmp.jdbc.JDBCFindAllQuery

/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* 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.jboss.ejb.plugins.cmp.jdbc;

import org.jboss.ejb.plugins.cmp.jdbc.bridge.JDBCEntityBridge;
import org.jboss.ejb.plugins.cmp.jdbc.metadata.JDBCQueryMetaData;
import org.jboss.ejb.plugins.cmp.jdbc.metadata.JDBCReadAheadMetaData;
import org.jboss.deployment.DeploymentException;

/**
* JDBCFindAllQuery automatic finder used in CMP 1.x.
*
* @author <a href="mailto:dain@daingroup.com">Dain Sundstrom</a>
* @author <a href="mailto:rickard.oberg@telkel.com">Rickard Oberg</a>
* @author <a href="mailto:marc.fleury@telkel.com">Marc Fleury</a>
* @author <a href="mailto:shevlandj@kpi.com.au">Joe Shevland</a>
* @author <a href="mailto:justin@j-m-f.demon.co.uk">Justin Forder</a>
* @author <a href="mailto:alex@jboss.org">Alex Loubyansky</a>
* @version $Revision: 81030 $
*/
public final class JDBCFindAllQuery extends JDBCAbstractQueryCommand
{

   public JDBCFindAllQuery(JDBCStoreManager manager, JDBCQueryMetaData q) throws DeploymentException
   {
      super(manager, q);

      JDBCEntityBridge entity = (JDBCEntityBridge) manager.getEntityBridge();

      // set the preload fields
      JDBCReadAheadMetaData readAhead = q.getReadAhead();
      if(readAhead.isOnFind())
      {
         setEagerLoadGroup(readAhead.getEagerLoadGroup());
      }

      // generate the sql
      StringBuffer sql = new StringBuffer(300);
      sql.append(SQLUtil.SELECT);
      // put pk fields first
      SQLUtil.getColumnNamesClause(entity.getPrimaryKeyFields(), sql);
      if(getEagerLoadGroup() != null)
      {
         SQLUtil.appendColumnNamesClause(entity, getEagerLoadGroup(), sql);
      }
      sql.append(SQLUtil.FROM).append(entity.getQualifiedTableName());

      setSQL(sql.toString());
   }
}
TOP

Related Classes of org.jboss.ejb.plugins.cmp.jdbc.JDBCFindAllQuery

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.