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:
16: Contributors:
17: 2002 Mike Martin (TJDO)
18: 2003 Andy Jefferson - coding standards
19: ...
20: **********************************************************************/package org.jpox.store.mapping;
21:
22: import org.jpox.ClassLoaderResolver;
23: import org.jpox.store.expression.IntegerLiteral;
24: import org.jpox.store.expression.LogicSetExpression;
25: import org.jpox.store.expression.NumericExpression;
26: import org.jpox.store.expression.QueryExpression;
27: import org.jpox.store.expression.ScalarExpression;
28:
29: /**
30: * Mapping for Long type.
31: *
32: * @version $Revision: 1.15 $
33: **/
34: public class LongMapping extends SingleFieldMapping implements
35: SimpleDatastoreRepresentation {
36: private static Long mappingSampleValue = new Long(0);
37:
38: public Object getSampleValue(ClassLoaderResolver clr) {
39: return mappingSampleValue;
40: }
41:
42: public ScalarExpression newLiteral(QueryExpression qs, Object value) {
43: ScalarExpression expr = new IntegerLiteral(qs, this ,
44: (Number) value);
45: return expr;
46: }
47:
48: public ScalarExpression newScalarExpression(QueryExpression qs,
49: LogicSetExpression te) {
50: ScalarExpression expr = new NumericExpression(qs, this , te);
51: return expr;
52: }
53:
54: /* (non-Javadoc)
55: * @see org.jpox.store.mapping.JavaTypeMapping#getJavaType()
56: */
57: public Class getJavaType() {
58: return Long.class;
59: }
60: }
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