01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17:
18: package org.apache.catalina;
19:
20: /**
21: * <p>Decoupling interface which specifies that an implementing class is
22: * associated with at most one <strong>Container</strong> instance.</p>
23: *
24: * @author Craig R. McClanahan
25: * @author Peter Donald
26: * @version $Revision: 467222 $ $Date: 2006-10-24 05:17:11 +0200 (mar., 24 oct. 2006) $
27: */
28:
29: public interface Contained {
30:
31: //-------------------------------------------------------------- Properties
32:
33: /**
34: * Return the <code>Container</code> with which this instance is associated
35: * (if any); otherwise return <code>null</code>.
36: */
37: public Container getContainer();
38:
39: /**
40: * Set the <code>Container</code> with which this instance is associated.
41: *
42: * @param container The Container instance with which this instance is to
43: * be associated, or <code>null</code> to disassociate this instance
44: * from any Container
45: */
46: public void setContainer(Container container);
47:
48: }
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