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Java > Open Source Codes > org > apache > jmeter > control > ReplaceableController


1 // $Header: /home/cvs/jakarta-jmeter/src/core/org/apache/jmeter/control/ReplaceableController.java,v 1.4 2004/02/14 03:34:29 sebb Exp $
2 /*
3  * Copyright 2001-2004 The Apache Software Foundation.
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  * 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
19 package org.apache.jmeter.control;
20
21 import org.apache.jmeter.testelement.TestElement;
22 import org.apache.jorphan.collections.HashTree;
23
24
25 /**
26  * This interface represents a controller that gets replaced
27  * during the compilation phase of test execution in an arbitrary
28  * way.
29  *
30  * @see org.apache.jmeter.gui.action.AbstractAction
31  *
32  * @author Thad Smith
33  * @version $Revision: 1.4 $
34  */
35 public interface ReplaceableController
36 {
37     /**
38      * Returns the TestElement that should replace the current
39      * ReplaceableCoroller.
40      *
41      * @return TestElement
42      * @see org.apache.jmeter.testelement.TestElement
43      */
44     public TestElement getReplacement();
45
46     /**
47      * Used to replace the test execution tree (usually by adding the
48      * subelements of the TestElement that is replacing the
49      * ReplaceableController.
50      *
51      * @param tree - The current HashTree to be executed.
52      * @see org.apache.jorphan.collections.HashTree
53      * @see org.apache.jmeter.gui.action.AbstractAction#convertSubTree
54      */
55     public void replace(HashTree tree);
56 }
57
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