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1 /* ====================================================================
2 * License:
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in
13 * the documentation and/or other materials provided with the
14 * distribution.
15 *
16 * 3. The end-user documentation included with the redistribution,
17 * if any, must include the following acknowledgment:
18 * "This product includes software developed by
19 * Robert Half International (http://www.rhi.com/)."
20 * Alternately, this acknowledgment may appear in the software itself,
21 * if and wherever such third-party acknowledgments normally appear.
22 *
23 * 4. The names "Parc", "RHI", and "Robert Half International" must
24 * not be used to endorse or promote products derived from this
25 * software without prior written permission. For written
26 * permission, please contact pete.mckinstry@rhi.com.
27 *
28 * 5. Products derived from this software may not be called "PARC",
29 * nor may "PARC" appear in their name, without prior written
30 * permission of Robert Half International.
31 *
32 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
33 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
34 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
35 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
36 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
37 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
38 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
39 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
40 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
41 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
42 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
43 * SUCH DAMAGE.
44 * ====================================================================
45 *
46 */
47 package com.rhi.architecture.parc;
48
49 import java.util.Properties;
50
51 /***
52 * Strategy Interface for use w/ Interface applications. Execution
53 * is performed by the strategy so that arbitrary execution
54 * processing strategy can be used w/o changing the application.
55 * Normal strategies might include continous loop, or single run.
56 *
57 * @author Pete McKinstry
58 * @copyright 2002, Robert Half Int'l., Inc. All rights reserved.
59 *
60 * @since 1.0
61 */
62 public interface ExecutionStrategy {
63
64 /***
65 * init method to load properties
66 *
67 * @param p
68 */
69 public void init(Properties p);
70
71 /***
72 * The run method provides the strategy implementation
73 * It should run the pipeline using whatever strategy
74 * it provides.
75 *
76 * @exception ProcessingException
77 *
78 * @since 1.0
79 */
80 public void run() throws ProcessingException;
81
82 /***
83 * cleanup is called when the process is complete, allowing the
84 * strategy to close any required resources.
85 */
86 public void cleanup();
87
88 /***
89 * The interface application class uses this method to
90 * intialize the strategy object w/ the correct concrete
91 * input adapter.
92 *
93 * @param ia
94 *
95 * @since 1.0
96 */
97 public void setInputAdapter(InputAdapter ia);
98
99 /***
100 * The interface application class uses this method to
101 * intialize the strategy object w/ the correct concrete
102 * output adapter.
103 *
104 * @param oa
105 *
106 * @since 1.0
107 */
108 public void setOutputAdapter(OutputAdapter oa);
109
110 /***
111 * The interface application class uses this method to
112 * intialize the strategy object w/ the correct concrete
113 * Pipeline
114 *
115 * @param p
116 *
117 * @since 1.0
118 */
119 public void setPipeline(Pipeline p);
120
121 }
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