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 General
07: * Public License Version 2 only ("GPL") or the Common Development and Distribution
08: * License("CDDL") (collectively, the "License"). You may not use this file except in
09: * compliance with the License. You can obtain a copy of the License at
10: * http://www.netbeans.org/cddl-gplv2.html or nbbuild/licenses/CDDL-GPL-2-CP. See the
11: * License for the specific language governing permissions and limitations under the
12: * License. When distributing the software, include this License Header Notice in
13: * each file and include the License file at nbbuild/licenses/CDDL-GPL-2-CP. Sun
14: * designates this particular file as subject to the "Classpath" exception as
15: * provided by Sun in the GPL Version 2 section of the License file that
16: * accompanied this code. If applicable, add the following below the License Header,
17: * with the fields enclosed by brackets [] replaced by your own identifying
18: * information: "Portions Copyrighted [year] [name of copyright owner]"
19: *
20: * Contributor(s):
21: *
22: * The Original Software is NetBeans. The Initial Developer of the Original Software
23: * is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun Microsystems, Inc. All
24: * Rights Reserved.
25: *
26: * If you wish your version of this file to be governed by only the CDDL or only the
27: * GPL Version 2, indicate your decision by adding "[Contributor] elects to include
28: * this software in this distribution under the [CDDL or GPL Version 2] license." If
29: * you do not indicate a single choice of license, a recipient has the option to
30: * distribute your version of this file under either the CDDL, the GPL Version 2 or
31: * to extend the choice of license to its licensees as provided above. However, if
32: * you add GPL Version 2 code and therefore, elected the GPL Version 2 license, then
33: * the option applies only if the new code is made subject to such option by the
34: * copyright holder.
35: */
36:
37: package org.netbeans.installer.downloader.dispatcher;
38:
39: public interface ProcessDispatcher {
40: /**
41: * entry point to add process. This don't give any information when it will be
42: * processed return false if process discarded. default impl - always true.
43: */
44: boolean schedule(Process process);
45:
46: /**
47: * Force process termination. Deprecated since in any case of implementation
48: * it will deal with thread.stop() which is deprecated
49: */
50: @Deprecated
51: void terminate(Process process);
52:
53: void setLoadFactor(LoadFactor factor);
54:
55: /**
56: * loadFactor allow managing system resources usages. By default Full - means
57: * no internal managment In default impl loadFactor impact on frequency of
58: * blank quantums.
59: */
60: LoadFactor loadFactor();
61:
62: boolean isActive();
63:
64: int activeCount();
65:
66: int waitingCount();
67:
68: void start();
69:
70: /**
71: * when dispatcher stops it terminate all running processes and also clear
72: * waiting queue.
73: */
74: void stop();
75: }
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