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: /**
30: * Abstract Threshold trigger tester to fire if a given
31: * computed parameter value exceeds a given threshold.
32: * Comparison sense of greater than/less than is settable.
33: */
34:
35: public abstract class TriggerThresholdTester implements TriggerTester {
36:
37: private double my_threshold;
38: private boolean my_fire_if_exceeds;
39:
40: // Constructor : save threshold and fire_if_exceeds flag
41: TriggerThresholdTester(double threshold, boolean fire_if_exceeds) {
42: my_threshold = threshold;
43: my_fire_if_exceeds = fire_if_exceeds;
44: }
45:
46: // Abstract method to compute threshold value
47: public abstract double ComputeValue(Object[] objects);
48:
49: // Tester Test function : Compare compare computed value with threshold
50: public boolean Test(Object[] objects) {
51: double value = ComputeValue(objects);
52: if (my_fire_if_exceeds)
53: return value > my_threshold;
54: else
55: return value < my_threshold;
56: }
57:
58: }
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