01: /*
02: * Copyright 2004-2007 the original author or authors.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS,
12: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13: * See the License for the specific language governing permissions and
14: * limitations under the License.
15: */
16: package org.springframework.binding.mapping;
17:
18: import org.springframework.binding.convert.ConversionExecutor;
19: import org.springframework.binding.expression.Expression;
20: import org.springframework.binding.expression.SettableExpression;
21:
22: /**
23: * A mapping that is required.
24: *
25: * @author Keith Donald
26: */
27: public class RequiredMapping extends Mapping {
28:
29: /**
30: * Creates a required mapping.
31: * @param sourceExpression the source mapping expression
32: * @param targetPropertyExpression the target property expression
33: * @param typeConverter a type converter
34: */
35: public RequiredMapping(Expression sourceExpression,
36: SettableExpression targetPropertyExpression,
37: ConversionExecutor typeConverter) {
38: super (sourceExpression, targetPropertyExpression,
39: typeConverter, true);
40: }
41: }
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