01: /*
02: * <copyright>
03: *
04: * Copyright 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: package org.cougaar.logistics.plugin.trans;
27:
28: import java.util.Enumeration;
29:
30: import org.cougaar.lib.callback.UTILFilterCallbackAdapter;
31: import org.cougaar.lib.callback.UTILFilterCallbackListener;
32: import org.cougaar.lib.filter.UTILPluginAdapter;
33: import org.cougaar.util.UnaryPredicate;
34: import org.cougaar.planning.ldm.plan.Task;
35: import org.cougaar.util.log.Logger;
36:
37: public class RescindWatcher extends UTILPluginAdapter implements
38: UTILFilterCallbackListener {
39: public void setupFilters() {
40: super .setupFilters();
41: addFilter(new AllTasksFilter(this , logger));
42: warn(getName() + " - adding filter for all tasks.");
43: }
44:
45: class AllTasksFilter extends UTILFilterCallbackAdapter {
46: public AllTasksFilter(UTILFilterCallbackListener listener,
47: Logger logger) {
48: super (listener, logger);
49: }
50:
51: protected UnaryPredicate getPredicate() {
52: return new UnaryPredicate() {
53: public boolean execute(Object o) {
54: return (o instanceof Task);
55: }
56: };
57: }
58:
59: public void reactToChangedFilter() {
60: if (getSubscription().getRemovedCollection().size() > 0) {
61: warn(getName()
62: + " - got "
63: + getSubscription().getRemovedCollection()
64: .size() + " removed tasks.");
65: }
66:
67: if (getSubscription().getRemovedList().hasMoreElements()) {
68: Enumeration removedtasks = getSubscription()
69: .getRemovedList();
70: while (removedtasks.hasMoreElements()) {
71: Task task = (Task) removedtasks.nextElement();
72: warn(getName() + " - task " + task.toString()
73: + " was removed.");
74: }
75: }
76: }
77: }
78: }
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