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1 // Copyright 2006, 2007 The Apache Software Foundation
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // 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 package org.apache.tapestry5.internal.services;
16
17 import static org.apache.tapestry5.ioc.internal.util.Defense.notBlank;
18 import static org.apache.tapestry5.ioc.internal.util.Defense.notNull;
19 import org.apache.tapestry5.services.PersistentFieldChange;
20
21 public class PersistentFieldChangeImpl implements PersistentFieldChange
22 {
23 private final String componentId;
24
25 private final String fieldName;
26
27 private final Object value;
28
29 public PersistentFieldChangeImpl(final String componentId, final String fieldName,
30 final Object value)
31 {
32 notNull(componentId, "componentId");
33 notBlank(fieldName, "fieldName");
34
35 this.componentId = componentId;
36 this.fieldName = fieldName;
37 this.value = value;
38 }
39
40 public String getComponentId()
41 {
42 return componentId;
43 }
44
45 public String getFieldName()
46 {
47 return fieldName;
48 }
49
50 public Object getValue()
51 {
52 return value;
53 }
54 }