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.lps;
28:
29: import java.util.Collection;
30: import java.util.Enumeration;
31:
32: import org.cougaar.core.blackboard.EnvelopeTuple;
33: import org.cougaar.core.domain.EnvelopeLogicProvider;
34: import org.cougaar.core.domain.LogicProvider;
35: import org.cougaar.core.domain.RootPlan;
36: import org.cougaar.planning.ldm.LogPlan;
37: import org.cougaar.planning.ldm.plan.Expansion;
38: import org.cougaar.planning.ldm.plan.Task;
39: import org.cougaar.planning.ldm.plan.Workflow;
40:
41: public class WorkflowAllocationLP implements LogicProvider,
42: EnvelopeLogicProvider {
43: private final RootPlan rootplan;
44: private final LogPlan logplan;
45:
46: public WorkflowAllocationLP(RootPlan rootplan, LogPlan logplan) {
47: this .rootplan = rootplan;
48: this .logplan = logplan;
49: }
50:
51: public void init() {
52: }
53:
54: /** @param o EnvelopeTuple
55: * where Envelope.Tuple.object
56: * == PlanElement object ADDED TO LOGPLAN containing Expansion
57: **/
58: public void execute(EnvelopeTuple o, Collection changes) {
59: // drop changes
60: if (o.isAdd()) {
61: Object obj = o.getObject();
62: if ((obj instanceof Expansion)) {
63: processExpansion((Expansion) obj);
64: }
65: }
66: }
67:
68: private void processExpansion(Expansion exp) {
69: Workflow work = exp.getWorkflow();
70: rootplan.add(work);
71:
72: // Add each subtask of the workflow to the blackboard so
73: // that allocators can allocate against single tasks
74: // (and we don't need pass-thru expanders
75: Enumeration tasks = work.getTasks();
76: while (tasks.hasMoreElements()) {
77: Task t = (Task) tasks.nextElement();
78: if (t != null) {
79: if (logplan.findTask(t) == null)
80: rootplan.add(t);
81: }
82: }
83: }
84: }
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