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: /**
22: * {@link OpenJPAId} subclass appropriate for byte fields.
23: *
24: * @author Steve Kim
25: */
26: public final class ByteId extends OpenJPAId {
27:
28: private final byte key;
29:
30: public ByteId(Class cls, Byte key) {
31: this (cls, (key == null) ? (byte) 0 : key.byteValue());
32: }
33:
34: public ByteId(Class cls, String key) {
35: this (cls, (key == null) ? (byte) 0 : Byte.parseByte(key));
36: }
37:
38: public ByteId(Class cls, byte key) {
39: super (cls);
40: this .key = key;
41: }
42:
43: public ByteId(Class cls, byte key, boolean subs) {
44: super (cls, subs);
45: this .key = key;
46: }
47:
48: public byte getId() {
49: return key;
50: }
51:
52: public Object getIdObject() {
53: return new Byte(key);
54: }
55:
56: public String toString() {
57: return Byte.toString(key);
58: }
59:
60: protected int idHash() {
61: return key;
62: }
63:
64: protected boolean idEquals(OpenJPAId o) {
65: return key == ((ByteId) o).key;
66: }
67: }
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