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.planning.ldm.trigger;
28:
29: import org.cougaar.planning.plugin.legacy.PluginDelegate;
30:
31: /**
32: * A TriggerTimeBasedMonitor is a kind of monitor that generates an
33: * interrupt at regular intervals to check for a particular
34: * condition on a fixed set of objects
35: *
36: * Uses system time
37: */
38:
39: public class TriggerTimeBasedMonitor implements TriggerMonitor {
40:
41: private Object[] my_objects;
42: long my_last_ran;
43: long my_msec_interval;
44:
45: public TriggerTimeBasedMonitor(long msec_interval,
46: Object[] objects, PluginDelegate pid) {
47: my_objects = objects;
48: my_msec_interval = msec_interval;
49: my_last_ran = System.currentTimeMillis();
50: }
51:
52: public long getMsecInterval() {
53: return my_msec_interval;
54: }
55:
56: public Object[] getAssociatedObjects() {
57: return my_objects;
58: }
59:
60: public boolean ReadyToRun(PluginDelegate pid) {
61: return (System.currentTimeMillis() - my_last_ran) > my_msec_interval;
62: }
63:
64: public void IndicateRan(PluginDelegate pid) {
65: my_last_ran = System.currentTimeMillis();
66: }
67:
68: public long getRemainingTime() {
69: return (my_msec_interval - (System.currentTimeMillis() - my_last_ran));
70: }
71:
72: }
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