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:
27: package org.cougaar.core.service;
28:
29: import org.cougaar.core.component.Service;
30: import org.cougaar.core.thread.Schedulable;
31:
32: /**
33: * This service provides a {@link Schedulable}s to execute a
34: * {@link Runnable#run()} method within a pooled thread.
35: * <p>
36: * The "consumer" is typically the service requestor.
37: * <p>
38: * The "lane" is an option parameter that differentiates service
39: * based on expected thread use, e.g. the {@link #WILL_BLOCK_LANE}
40: * is for runnables that may block on I/O or a "wait()". See
41: * the thread service documentation for details. The default is
42: * {@link #BEST_EFFORT_LANE}.
43: */
44: public interface ThreadService extends Service {
45: public static final int BEST_EFFORT_LANE = 0;
46: public static final int WILL_BLOCK_LANE = 1;
47: public static final int CPU_INTENSE_LANE = 2;
48: public static final int WELL_BEHAVED_LANE = 3;
49:
50: public static final int LANE_COUNT = 4;
51:
52: Schedulable getThread(Object consumer, Runnable runnable);
53:
54: Schedulable getThread(Object consumer, Runnable runnable,
55: String name);
56:
57: Schedulable getThread(Object consumer, Runnable runnable,
58: String name, int lane);
59:
60: }
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