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Java > Open Source Codes > org > apache > ojb > odmg > link > LinkEntry


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 1.1.2.2 2005/12/21 22:29:50 tomdz Exp $
25  */
26 public abstract class LinkEntry
27 {
28     final boolean isUnlink;
29     final Object JavaDoc source;
30     final Object JavaDoc referenceToLink;
31     final ObjectReferenceDescriptor ord;
32
33     protected LinkEntry(Object JavaDoc source, ObjectReferenceDescriptor ord, Object JavaDoc 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 JavaDoc 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 }
53
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