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Java > Open Source Codes > org > apache > hivemind > schema > rules > BaseRule


1 // Copyright 2004, 2005 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.hivemind.schema.rules;
16
17 import org.apache.hivemind.Element;
18 import org.apache.hivemind.impl.BaseLocatable;
19 import org.apache.hivemind.schema.Rule;
20 import org.apache.hivemind.schema.SchemaProcessor;
21
22 /**
23  * Base class for implementing {@link org.apache.hivemind.schema.Rule}s.
24  *
25  * @author Howard Lewis Ship
26  */
27 public abstract class BaseRule extends BaseLocatable implements Rule
28 {
29     /**
30      * Does nothing; subclasses may override.
31      */
32     public void begin(SchemaProcessor processor, Element element)
33     {
34
35     }
36
37     /**
38      * Does nothing; subclasses may override.
39      */
40     public void end(SchemaProcessor processor, Element element)
41     {
42
43     }
44
45 }
46
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