01: /*
02: * <copyright>
03: *
04: * Copyright 1997-2004 BBNT Solutions, LLC
05: * under sponsorship of the Defense Advanced Research Projects
06: * Agency (DARPA).
07: *
08: * You can redistribute this software and/or modify it under the
09: * terms of the Cougaar Open Source License as published on the
10: * Cougaar Open Source Website (www.cougaar.org).
11: *
12: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
13: * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
14: * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
15: * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
16: * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
17: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
18: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
22: * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23: *
24: * </copyright>
25: */
26: package org.cougaar.core.thread;
27:
28: import org.cougaar.core.component.ParameterizedComponent;
29: import org.cougaar.core.component.ServiceBroker;
30: import org.cougaar.core.service.LoggingService;
31: import org.cougaar.core.service.ThreadControlService;
32: import org.cougaar.core.service.ThreadService;
33:
34: /**
35: * This class marks the agent as wellbehaved. This means that all the
36: * plugins in the agent will not block on IO or Network and will not
37: * hog the CPU. This Plugin calls the ThreadControlService and sets
38: * the default Thread Lane to be WELL_BEHAVED. After load time, the
39: * plugin should do nothing.
40: *
41: * This is designed to be an Agent Plugin
42: *
43: * JAZ this has not been tested with mobility, yet. Also, what about
44: * when this plugin loads, maybe some threads will already be started.
45: */
46: public class ThreadsWellBehavedPlugin extends ParameterizedComponent // not really a Plugin
47: {
48: private ServiceBroker sb;
49:
50: public ThreadsWellBehavedPlugin() {
51: super ();
52: }
53:
54: public void setServiceBroker(ServiceBroker sb) {
55: this .sb = sb;
56: }
57:
58: public void load() {
59: super .load();
60: long defaultLane = getParameter("defaultLane",
61: ThreadService.WELL_BEHAVED_LANE);
62: ServiceBroker sb = getServiceBroker();
63: ThreadControlService tsvc = (ThreadControlService) sb
64: .getService(this , ThreadControlService.class, null);
65: LoggingService lsvc = (LoggingService) sb.getService(this ,
66: LoggingService.class, null);
67: tsvc.setDefaultLane((int) defaultLane);
68: if (lsvc.isDebugEnabled())
69: lsvc.debug("Default Lane Set to " + defaultLane
70: + " got back" + tsvc.getDefaultLane());
71:
72: sb.releaseService(this , ThreadControlService.class, tsvc);
73: sb.releaseService(this , LoggingService.class, lsvc);
74: }
75:
76: public ServiceBroker getServiceBroker() {
77: return sb;
78: }
79:
80: }
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