01: package org.apache.ojb.broker.core.proxy;
02:
03: /* Copyright 2002-2005 The Apache Software Foundation
04: *
05: * Licensed under the Apache License, Version 2.0 (the "License");
06: * you may not use this file except in compliance with the License.
07: * You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17:
18: import org.apache.ojb.broker.Identity;
19:
20: /**
21: * This is a callback interface that allows interaction with the
22: * Materialization process of the IndirectionHandler
23: * The ODMG TransactionImpl implements this interface to
24: * provide a delayed registration mechanism for proxies.
25: * @author Thomas Mahler
26: * @version $Id: MaterializationListener.java,v 1.1.2.1 2005/12/21 22:25:30 tomdz Exp $
27: */
28: public interface MaterializationListener {
29: /**
30: * this callback is invoked before an Object is materialized
31: * within an IndirectionHandler.
32: * @param handler the invoking handler
33: * @param oid the identity of the object to be materialized
34: */
35: public abstract void beforeMaterialization(
36: IndirectionHandler handler, Identity oid);
37:
38: /**
39: * this callback is invoked after an Object is materialized
40: * within an IndirectionHandler.
41: * @param handler the invoking handler
42: * @param materializedObject the materialized Object
43: */
44: public abstract void afterMaterialization(
45: IndirectionHandler handler, Object materializedObject);
46: }
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