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.logistics.plugin.strattrans;
28:
29: import org.cougaar.lib.callback.UTILExpandableTaskCallback;
30: import org.cougaar.lib.callback.UTILGenericListener;
31:
32: import org.cougaar.planning.ldm.plan.Task;
33:
34: import org.cougaar.util.UnaryPredicate;
35:
36: import java.util.Collection;
37: import java.util.Enumeration;
38: import java.util.Iterator;
39: import org.cougaar.util.log.Logger;
40:
41: /**
42: * For use with (threaded?) expanders.
43: *
44: * Filters for tasks without plan elements.
45: * This allows tasks which may be the child of another task
46: * (e.g., DetermineRequirement tasks that are child of GLS)
47: * (unlike UTILExpandableTaskCallback which also filters tasks with no workflow)
48: */
49:
50: public class UTILExpandableChildTaskCallback extends
51: UTILExpandableTaskCallback {
52: public UTILExpandableChildTaskCallback(
53: UTILGenericListener listener, Logger logger) {
54: super (listener, logger);
55: }
56:
57: /**
58: * overridden to ignore workflow
59: *
60: * Just calls plugin interestingTask method.
61: *
62: * BUG FIX (deployment date perturbation bug) :
63: *
64: * Does NOT skip tasks that already have a plan element - this
65: * will be true on rehydration. Including the check means no tasks in the
66: * subscription and nothing to replan, should the org activity change.
67: *
68: * The plugin checks to see if the task already has a plan element and won't replan
69: * unless something else has changed.
70: *
71: * @see org.cougaar.logistics.plugin.strattrans.StrategicTransportProjectorPlugin#handleTask
72: * @see org.cougaar.logistics.plugin.strattrans.StrategicTransportProjectorPlugin#redoTasks
73: * @see org.cougaar.logistics.plugin.strattrans.StrategicTransportProjectorPlugin#interestingTask
74: */
75: protected UnaryPredicate getPredicate() {
76: return new UnaryPredicate() {
77: public boolean execute(Object o) {
78: if (o instanceof Task) {
79: return (((UTILGenericListener) myListener)
80: .interestingTask((Task) o));
81: }
82: return false;
83: }
84: };
85: }
86: }
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