01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one
03: * or more contributor license agreements. See the NOTICE file
04: * distributed with this work for additional information
05: * regarding copyright ownership. The ASF licenses this file
06: * to you under the Apache License, Version 2.0 (the
07: * "License"); you may not use this file except in compliance
08: * with the License. You may obtain a copy of the License at
09: *
10: * http://www.apache.org/licenses/LICENSE-2.0
11: *
12: * Unless required by applicable law or agreed to in writing,
13: * software distributed under the License is distributed on an
14: * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15: * KIND, either express or implied. See the License for the
16: * specific language governing permissions and limitations
17: * under the License.
18: */
19: package org.apache.openjpa.util;
20:
21: import java.util.Date;
22:
23: /**
24: * {@link OpenJPAId} subclass appropriate for Date fields.
25: *
26: * @author Marc Prud'hommeaux
27: */
28: public final class DateId extends OpenJPAId {
29:
30: private final Date key;
31:
32: public DateId(Class cls, String key) {
33: this (cls, new Date(Long.parseLong(key)));
34: }
35:
36: public DateId(Class cls, Date key) {
37: super (cls);
38: this .key = key == null ? new Date(0) : key;
39: }
40:
41: public DateId(Class cls, java.sql.Date key) {
42: this (cls, (Date) key);
43: }
44:
45: public DateId(Class cls, java.sql.Timestamp key) {
46: this (cls, (Date) key);
47: }
48:
49: public DateId(Class cls, Date key, boolean subs) {
50: super (cls, subs);
51: this .key = key == null ? new Date(0) : key;
52: }
53:
54: public Date getId() {
55: return key;
56: }
57:
58: public Object getIdObject() {
59: return getId();
60: }
61:
62: public String toString() {
63: return Long.toString(key.getTime());
64: }
65:
66: protected int idHash() {
67: return key.hashCode();
68: }
69:
70: protected boolean idEquals(OpenJPAId o) {
71: return key.equals(((DateId) o).key);
72: }
73: }
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