/*
* 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.as.cmp.jdbc2;
import org.jboss.as.cmp.CmpMessages;
import org.jboss.as.cmp.jdbc.EJBQLToSQL92Compiler;
import org.jboss.as.cmp.jdbc.QLCompiler;
import org.jboss.as.cmp.jdbc.metadata.JDBCQlQueryMetaData;
import org.jboss.as.cmp.jdbc2.bridge.JDBCCMPFieldBridge2;
import org.jboss.as.cmp.jdbc2.bridge.JDBCEntityBridge2;
import org.jboss.logging.Logger;
/**
* @author <a href="mailto:alex@jboss.org">Alexey Loubyansky</a>
* @version <tt>$Revision: 81030 $</tt>
*/
public class EJBQLQueryCommand
extends AbstractQueryCommand {
public EJBQLQueryCommand(JDBCEntityBridge2 entity, JDBCQlQueryMetaData metadata) {
this.entity = entity;
JDBCStoreManager2 manager = (JDBCStoreManager2) entity.getManager();
QLCompiler compiler = new EJBQLToSQL92Compiler(manager.getCatalog());
try {
compiler.compileEJBQL(
metadata.getEjbQl(),
metadata.getMethod().getReturnType(),
metadata.getMethod().getParameterTypes(),
metadata);
} catch (Throwable t) {
throw CmpMessages.MESSAGES.errorCompilingEjbQlStatement(metadata.getEjbQl(), t);
}
sql = compiler.getSQL();
log = Logger.getLogger(getClass().getName() + "." + entity.getEntityName() + "#" + metadata.getMethod().getName());
log.debug("sql: " + sql);
setParameters(compiler.getInputParameters());
setResultType(metadata.getMethod().getReturnType());
if (!compiler.isSelectEntity()) {
if (compiler.isSelectField()) {
setFieldReader((JDBCCMPFieldBridge2) compiler.getSelectField());
} else {
setFunctionReader(compiler.getSelectFunction());
}
} else {
setEntityReader((JDBCEntityBridge2) compiler.getSelectEntity(), compiler.isSelectDistinct());
}
}
}