01 /*
02 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
03 *
04 * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
05 *
06 * The contents of this file are subject to the terms of either the GNU
07 * General Public License Version 2 only ("GPL") or the Common
08 * Development and Distribution License("CDDL") (collectively, the
09 * "License"). You may not use this file except in compliance with the
10 * License. You can obtain a copy of the License at
11 * http://www.netbeans.org/cddl-gplv2.html
12 * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
13 * specific language governing permissions and limitations under the
14 * License. When distributing the software, include this License Header
15 * Notice in each file and include the License file at
16 * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
17 * particular file as subject to the "Classpath" exception as provided
18 * by Sun in the GPL Version 2 section of the License file that
19 * accompanied this code. If applicable, add the following below the
20 * License Header, with the fields enclosed by brackets [] replaced by
21 * your own identifying information:
22 * "Portions Copyrighted [year] [name of copyright owner]"
23 *
24 * Contributor(s):
25 *
26 * The Original Software is NetBeans. The Initial Developer of the Original
27 * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
28 * Microsystems, Inc. All Rights Reserved.
29 *
30 * If you wish your version of this file to be governed by only the CDDL
31 * or only the GPL Version 2, indicate your decision by adding
32 * "[Contributor] elects to include this software in this distribution
33 * under the [CDDL or GPL Version 2] license." If you do not indicate a
34 * single choice of license, a recipient has the option to distribute
35 * your version of this file under either the CDDL, the GPL Version 2 or
36 * to extend the choice of license to its licensees as provided above.
37 * However, if you add GPL Version 2 code and therefore, elected the GPL
38 * Version 2 license, then the option applies only if the new code is
39 * made subject to such option by the copyright holder.
40 */
41
42 package org.netbeans.modules.j2ee.deployment.profiler.api;
43
44 import org.netbeans.modules.j2ee.deployment.impl.ServerRegistry;
45 import org.netbeans.modules.j2ee.deployment.profiler.spi.Profiler;
46
47 /**
48 * Allows to determine current state of a Profiler registered in the default Lookup.
49 *
50 * @author sherold
51 */
52 public final class ProfilerSupport {
53
54 /**
55 * The Profiler agent isn't running.
56 */
57 public static final int STATE_INACTIVE = 0;
58
59 /**
60 * The Profiler agent is starting to STATE_BLOCKING or STATE_RUNNING state,
61 * target JVM isn't running.
62 */
63 public static final int STATE_STARTING = 1;
64
65 /**
66 * The Profiler agent is running and ready for the Profiler to connect, target
67 * JVM is blocked.
68 */
69 public static final int STATE_BLOCKING = 2;
70
71 /**
72 * The Profiler agent is running and ready for the Profiler to connect, target
73 * JVM is running.
74 */
75 public static final int STATE_RUNNING = 3;
76
77 /**
78 * The Profiler agent is running and connected to Profiler, target JVM is running.
79 */
80 public static final int STATE_PROFILING = 4;
81
82 /**
83 * Returns the current state of a Profiler registered into Lookup.
84 *
85 * @return the current profiler state or <code>STATE_INACTIVE</code> if no
86 * Profiler is registered in the default Lookup.
87 */
88 public static int getState() {
89 Profiler profiler = ServerRegistry.getProfiler();
90 return profiler == null ? STATE_INACTIVE : profiler.getState();
91 }
92 }
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