01: /*
02: * Copyright 1990-2006 Sun Microsystems, Inc. All Rights Reserved.
03: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
04: *
05: * This program is free software; you can redistribute it and/or
06: * modify it under the terms of the GNU General Public License version
07: * 2 only, as published by the Free Software Foundation.
08: *
09: * This program is distributed in the hope that it will be useful, but
10: * WITHOUT ANY WARRANTY; without even the implied warranty of
11: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12: * General Public License version 2 for more details (a copy is
13: * included at /legal/license.txt).
14: *
15: * You should have received a copy of the GNU General Public License
16: * version 2 along with this work; if not, write to the Free Software
17: * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
18: * 02110-1301 USA
19: *
20: * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
21: * Clara, CA 95054 or visit www.sun.com if you need additional
22: * information or have any questions.
23: */
24: package com.sun.jump.os;
25:
26: /**
27: * <code>JUMPOSInterface</code> needs to be implemented to fulfill
28: * the OS dependencies in the JUMP system.
29: */
30: public abstract class JUMPOSInterface {
31: private static JUMPOSInterface INSTANCE = null;
32:
33: public static synchronized JUMPOSInterface getInstance() {
34: return INSTANCE;
35: }
36:
37: /**
38: * Creates a new instance of JUMPOSInterface
39: */
40: protected JUMPOSInterface() {
41: synchronized (JUMPOSInterface.class) {
42: if (INSTANCE == null) {
43: INSTANCE = this ;
44: }
45: }
46: }
47:
48: /**
49: * Set testing mode. A "TESTING_MODE" message is sent to the
50: * server.
51: * @param filePrefix tells the server where the stdout and
52: * stderr output files should go.
53: */
54: public abstract void setTestingMode(String filePrefix);
55:
56: /**
57: * Create a process and return a unique integer ID designating it.
58: */
59: public abstract int createProcess(String[] args);
60:
61: /**
62: * Create a native process and return a unique integer ID designating it.
63: */
64: public abstract int createProcessNative(String[] args);
65:
66: /**
67: * Return the current process ID.
68: */
69: public abstract int getProcessID();
70:
71: /**
72: * Return the executive's process ID.
73: */
74: public abstract int getExecutiveProcessID();
75:
76: /**
77: * Get the message queue interface
78: */
79: public abstract JUMPMessageQueueInterface getQueueInterface();
80:
81: }
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