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.JDBCQlQueryMetaData;
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: 61754 $</tt>
35: */
36: public class EJBQLQueryCommand extends AbstractQueryCommand {
37: public EJBQLQueryCommand(JDBCEntityBridge2 entity,
38: JDBCQlQueryMetaData metadata) throws DeploymentException {
39: this .entity = entity;
40:
41: JDBCStoreManager2 manager = (JDBCStoreManager2) entity
42: .getManager();
43: QLCompiler compiler = new EJBQLToSQL92Compiler(manager
44: .getCatalog());
45:
46: try {
47: compiler.compileEJBQL(metadata.getEjbQl(), metadata
48: .getMethod().getReturnType(), metadata.getMethod()
49: .getParameterTypes(), metadata);
50: } catch (Throwable t) {
51: t.printStackTrace();
52: throw new DeploymentException(
53: "Error compiling EJBQL statement '"
54: + metadata.getEjbQl() + "'", t);
55: }
56:
57: sql = compiler.getSQL();
58:
59: log = Logger.getLogger(getClass().getName() + "."
60: + entity.getEntityName() + "#"
61: + metadata.getMethod().getName());
62: log.debug("sql: " + sql);
63:
64: setParameters(compiler.getInputParameters());
65: setResultType(metadata.getMethod().getReturnType());
66:
67: if (!compiler.isSelectEntity()) {
68: if (compiler.isSelectField()) {
69: setFieldReader((JDBCCMPFieldBridge2) compiler
70: .getSelectField());
71: } else {
72: setFunctionReader(compiler.getSelectFunction());
73: }
74: } else {
75: setEntityReader((JDBCEntityBridge2) compiler
76: .getSelectEntity(), compiler.isSelectDistinct());
77: }
78: }
79: }
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