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.jdbc.metadata;
23:
24: import java.lang.reflect.Method;
25:
26: /**
27: * This interface is used to identify a query that will be invoked in
28: * responce to the invocation of a finder method in a home interface or
29: * an ejbSelect method in a bean implementation class.
30: *
31: * @author <a href="mailto:dain@daingroup.com">Dain Sundstrom</a>
32: * @author <a href="sebastien.alborini@m4x.org">Sebastien Alborini</a>
33: * @author <a href="danch@nvisia.com">danch</a>
34: * @author <a href="on@ibis.odessa.ua">Oleg Nitz</a>
35: * @version $Revision: 57209 $
36: */
37: public interface JDBCQueryMetaData {
38: /**
39: * Gets the method which invokes this query.
40: * @return the Method object which invokes this query
41: */
42: public Method getMethod();
43:
44: /**
45: * Is the result set of ejbSelect is mapped to local ejb objects or
46: * remote ejb objects.
47: * @return true, if the result set is to be local objects
48: */
49: public boolean isResultTypeMappingLocal();
50:
51: /**
52: * Gets the read ahead metadata for the query.
53: * @return the read ahead metadata for the query.
54: */
55: public JDBCReadAheadMetaData getReadAhead();
56:
57: /**
58: * @return EJBQL compiler implementation
59: */
60: public Class getQLCompilerClass();
61:
62: public boolean isLazyResultSetLoading();
63: }
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