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.lib.callback;
28:
29: import org.cougaar.planning.ldm.plan.Task;
30: import org.cougaar.util.UnaryPredicate;
31: import org.cougaar.util.log.Logger;
32:
33: /**
34: * For use with (threaded?) expanders.
35: *
36: * Filters for tasks without workflows or plan elements.
37: */
38:
39: public class UTILExpandableTaskCallback extends UTILBufferingCallback
40: implements UTILRehydrateReactor {
41: public UTILExpandableTaskCallback(UTILGenericListener listener,
42: Logger logger) {
43: super (listener, logger);
44: }
45:
46: protected UnaryPredicate getPredicate() {
47: return new UnaryPredicate() {
48: public boolean execute(Object o) {
49: if (o instanceof Task) {
50: if (logger.isDebugEnabled()) {
51: logger.debug("T:" + o);
52: logger.debug("W:" + ((Task) o).getWorkflow());
53: logger.debug("PE:"
54: + ((Task) o).getPlanElement());
55: }
56: return ((((Task) o).getWorkflow() == null)
57: && (((Task) o).getPlanElement() == null) && ((UTILGenericListener) myListener)
58: .interestingTask((Task) o));
59: }
60: return false;
61: }
62: };
63: }
64:
65: /**
66: * NOTE : duplicate in UTILWorkflowCallback -- should make common base class later!
67: *
68: * Examines an incoming task to see if it is well formed.
69: * Looks at timing logger.information, and asks listener to examine
70: * task as well. If task is ill formed, asks listener to handle
71: * it (probably publish as a failed plan element).
72: */
73: protected boolean isWellFormed(Task task) {
74: UTILGenericListener genericListener = (UTILGenericListener) myListener;
75:
76: if (genericListener.isTaskWellFormed(task))
77: return true;
78: else
79: genericListener.handleIllFormedTask(task);
80:
81: return false;
82: }
83: }
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