1 package org.apache.ojb.odmg.link;
2
3 /* Copyright 2002-2005 The Apache Software Foundation
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * 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.commons.lang.builder.ToStringBuilder;
19 import org.apache.ojb.broker.PersistenceBroker;
20 import org.apache.ojb.broker.metadata.ObjectReferenceDescriptor;
21
22 /**
23 * @author <a href="mailto:arminw@apache.org">Armin Waibel</a>
24 * @version $Id: LinkEntry.java,v 1.1 2007-08-24 22:17:41 ewestfal Exp $
25 */
26 public abstract class LinkEntry
27 {
28 final boolean isUnlink;
29 final Object source;
30 final Object referenceToLink;
31 final ObjectReferenceDescriptor ord;
32
33 protected LinkEntry(Object source, ObjectReferenceDescriptor ord, Object referenceToLink, boolean unlink)
34 {
35 this.source = source;
36 this.ord = ord;
37 this.referenceToLink = referenceToLink;
38 isUnlink = unlink;
39 }
40
41 public abstract void execute(final PersistenceBroker broker);
42
43 public String toString()
44 {
45 return new ToStringBuilder(this)
46 .append("source", source)
47 .append("descriptor", ord)
48 .append("referenceToLink", referenceToLink)
49 .append("isUnlink", isUnlink)
50 .toString();
51 }
52 }