01: /*
02: * JBoss, Home of Professional Open Source.
03: * Copyright 2006, Red Hat Middleware LLC, and individual contributors
04: * as indicated by the @author tags. See the copyright.txt file in the
05: * distribution for a full listing of individual contributors.
06: *
07: * This is free software; you can redistribute it and/or modify it
08: * under the terms of the GNU Lesser General Public License as
09: * published by the Free Software Foundation; either version 2.1 of
10: * the License, or (at your option) any later version.
11: *
12: * This software is distributed in the hope that it will be useful,
13: * but WITHOUT ANY WARRANTY; without even the implied warranty of
14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15: * Lesser General Public License for more details.
16: *
17: * You should have received a copy of the GNU Lesser General Public
18: * License along with this software; if not, write to the Free
19: * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20: * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21: */
22: package org.jboss.ejb.plugins.cmp.jdbc2;
23:
24: import org.jboss.ejb.plugins.cmp.jdbc2.bridge.JDBCEntityBridge2;
25: import org.jboss.ejb.plugins.cmp.jdbc2.bridge.JDBCCMPFieldBridge2;
26: import org.jboss.ejb.plugins.cmp.jdbc.metadata.JDBCJBossQLQueryMetaData;
27: import org.jboss.ejb.plugins.cmp.jdbc.QLCompiler;
28: import org.jboss.ejb.plugins.cmp.jdbc.EJBQLToSQL92Compiler;
29: import org.jboss.logging.Logger;
30: import org.jboss.deployment.DeploymentException;
31:
32: /**
33: * @author <a href="mailto:alex@jboss.org">Alexey Loubyansky</a>
34: * @version <tt>$Revision: 63030 $</tt>
35: */
36: public class JBossQLQueryCommand extends AbstractQueryCommand {
37: public JBossQLQueryCommand(JDBCEntityBridge2 entity,
38: JDBCJBossQLQueryMetaData metadata)
39: throws DeploymentException {
40: this .entity = entity;
41:
42: JDBCStoreManager2 manager = (JDBCStoreManager2) entity
43: .getManager();
44: QLCompiler compiler = new EJBQLToSQL92Compiler(manager
45: .getCatalog());
46:
47: try {
48: compiler.compileJBossQL(metadata.getJBossQL(), metadata
49: .getMethod().getReturnType(), metadata.getMethod()
50: .getParameterTypes(), metadata);
51: } catch (Throwable t) {
52: t.printStackTrace();
53: throw new DeploymentException(
54: "Error compiling JBossQL statement '"
55: + metadata.getJBossQL() + "'", t);
56: }
57:
58: sql = compiler.getSQL();
59:
60: log = Logger.getLogger(getClass().getName() + "."
61: + entity.getEntityName() + "#"
62: + metadata.getMethod().getName());
63: log.debug("sql: " + sql);
64:
65: setParameters(compiler.getInputParameters());
66: setResultType(metadata.getMethod().getReturnType());
67: setOffsetParam(compiler.getOffsetParam());
68: setOffsetValue(compiler.getOffsetValue());
69: setLimitParam(compiler.getLimitParam());
70: setLimitValue(compiler.getLimitValue());
71:
72: if (!compiler.isSelectEntity()) {
73: if (compiler.isSelectField()) {
74: setFieldReader((JDBCCMPFieldBridge2) compiler
75: .getSelectField());
76: } else {
77: setFunctionReader(compiler.getSelectFunction());
78: }
79: } else {
80: setEntityReader((JDBCEntityBridge2) compiler
81: .getSelectEntity(), compiler.isSelectDistinct());
82: }
83: }
84: }
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