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.plugin.util;
28:
29: import org.cougaar.planning.ldm.plan.Task;
30: import org.cougaar.planning.ldm.plan.Verb;
31: import org.cougaar.util.UnaryPredicate;
32:
33: /**
34: * Not usually used predicate for Tasks of certain Verb with no Expansion
35: * @see PredicateFactory
36: */
37: public class ExpandableTasksPredicate implements UnaryPredicate,
38: NewExpandableTasksPredicate {
39:
40: private Verb myVerb;
41:
42: public ExpandableTasksPredicate() {
43: }
44:
45: /** Overloaded constructor for using from the scripts.
46: * Discouraged to use from plugins directly.
47: */
48: public ExpandableTasksPredicate(Verb ver) {
49: myVerb = ver;
50: }
51:
52: public void setVerb(Verb vb) {
53: myVerb = vb;
54: }
55:
56: public boolean execute(Object o) {
57: if (o instanceof Task) {
58: Task t = (Task) o;
59: // WARNING: Predicates that look at these slots on a Task
60: // will behave oddly when the task later has these slots filled in-
61: // later changes to the Task will not trigger the subscription
62: if ((t.getWorkflow() == null)
63: && (t.getPlanElement() == null)
64: && (t.getVerb().equals(myVerb))) {
65: return true;
66: }
67: }
68: return false;
69: }
70: }
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