01: /**********************************************************************
02: Copyright (c) 2002 Kelly Grizzle (TJDO) and others. All rights reserved.
03: Licensed under the Apache License, Version 2.0 (the "License");
04: you may not use this file except in compliance with the License.
05: You may obtain a copy of the License at
06:
07: http://www.apache.org/licenses/LICENSE-2.0
08:
09: Unless required by applicable law or agreed to in writing, software
10: distributed under the License is distributed on an "AS IS" BASIS,
11: WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12: See the License for the specific language governing permissions and
13: limitations under the License.
14:
15: Contributors:
16: 2002 Mike Martin (TJDO)
17: 2003 Andy Jefferson - coding standards
18: ...
19: **********************************************************************/package org.jpox.store.mapping;
20:
21: import java.math.BigInteger;
22:
23: import org.jpox.ClassLoaderResolver;
24: import org.jpox.store.expression.ByteExpression;
25: import org.jpox.store.expression.ByteLiteral;
26: import org.jpox.store.expression.LogicSetExpression;
27: import org.jpox.store.expression.QueryExpression;
28: import org.jpox.store.expression.ScalarExpression;
29:
30: /**
31: * Mapping for Byte type.
32: *
33: * @version $Revision: 1.12 $
34: **/
35: public class ByteMapping extends SingleFieldMapping implements
36: SimpleDatastoreRepresentation {
37: private static Byte mappingSampleValue = new Byte("0");
38:
39: public Object getSampleValue(ClassLoaderResolver clr) {
40: return mappingSampleValue;
41: }
42:
43: public ScalarExpression newLiteral(QueryExpression qs, Object value) {
44: ScalarExpression expr = new ByteLiteral(qs, this , BigInteger
45: .valueOf(((Byte) value).longValue()));
46: return expr;
47: }
48:
49: public ScalarExpression newScalarExpression(QueryExpression qs,
50: LogicSetExpression te) {
51: ScalarExpression expr = new ByteExpression(qs, this , te);
52: return expr;
53: }
54:
55: public Class getJavaType() {
56: return Byte.class;
57: }
58: }
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