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Java > Open Source Codes > org > objectweb > proactive > core > process > ExternalProcessDecorator


1 /*
2 * ################################################################
3 *
4 * ProActive: The Java(TM) library for Parallel, Distributed,
5 * Concurrent computing with Security and Mobility
6 *
7 * Copyright (C) 1997-2002 INRIA/University of Nice-Sophia Antipolis
8 * Contact: proactive-support@inria.fr
9 *
10 * This library is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or any later version.
14 *
15 * This library is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
19 *
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with this library; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
23 * USA
24 *
25 * Initial developer(s): The ProActive Team
26 * http://www.inria.fr/oasis/ProActive/contacts.html
27 * Contributor(s):
28 *
29 * ################################################################
30 */
31 package org.objectweb.proactive.core.process;
32
33
34 /**
35  * A class implementing this interface is able to start an embedded ExternalProcess.
36  */
37 public interface ExternalProcessDecorator extends ExternalProcess {
38
39   /**
40    * Composition in which the command of the target process is appended to the command of this process.
41    */
42   public static final int APPEND_TO_COMMAND_COMPOSITION = 1;
43   
44   /**
45    * Composition in which the command of the target process is sent into the
46    * output stream of this process.
47    */
48   public static final int SEND_TO_OUTPUT_STREAM_COMPOSITION = 2;
49   
50   
51   /**
52    * Composition in which the command of the target process is given as parameter
53    * of the command of this process.
54    */
55   public static final int GIVE_COMMAND_AS_PARAMETER = 3;
56   
57  
58   /**
59    * Returns the process target of this process. The target process is embedded
60    * inside the current process.
61    * @return the process target of this process
62    */
63   public ExternalProcess getTargetProcess();
64   
65
66   /**
67    * Sets the process target of this process. The target process is embedded
68    * inside the current process.
69    * @param targetProcess the process target of this process
70    */
71   public void setTargetProcess(ExternalProcess targetProcess);
72
73
74   /**
75    * Returns the type of composition that occurs between the commands of two processes.
76    * Type are APPEND_TO_COMMAND_COMPOSITION or SEND_TO_OUTPUT_STREAM_COMPOSITION.
77    * @return the type of composition that occurs between the commands of two processes
78    */
79   public int getCompositionType();
80   
81   
82   /**
83    * Sets the type of composition that occurs between the commands of two processes.
84    * Type are APPEND_TO_COMMAND_COMPOSITION or SEND_TO_OUTPUT_STREAM_COMPOSITION.
85    * @param compositionType the type of composition that occurs between the commands of two processes
86    */
87   public void setCompositionType(int compositionType);
88   
89 }
90
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