01: /*
02: * <copyright>
03: *
04: * Copyright 2003-2004 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.aggagent.test;
28:
29: import java.util.Iterator;
30:
31: import org.cougaar.core.blackboard.IncrementalSubscription;
32: import org.cougaar.core.plugin.ComponentPlugin;
33:
34: /**
35: * This is an example demonstrating the use of the Relay mechanism.
36: * It registers itself to receive messages under the name "Target-Receiver"
37: * and reports any Messages as they arrive.
38: */
39: public class ReceiverPlugin extends ComponentPlugin {
40:
41: IncrementalSubscription sub;
42:
43: public void setupSubscriptions() {
44: sub = (IncrementalSubscription) getBlackboardService()
45: .subscribe(new GetTestRelayPredicate());
46: }
47:
48: /**
49: * Called every time this component is scheduled to run.
50: */
51: protected void execute() {
52: System.out.println("ReceiverPlugin: execute");
53: Iterator iter = sub.getAddedCollection().iterator();
54: while (iter.hasNext()) {
55: TestRelay tr = (TestRelay) iter.next();
56: System.out.println(" --- Added: " + tr);
57: tr.updateResponse(null, "Hello, there:" + tr.getContent());
58: getBlackboardService().publishChange(tr);
59: }
60: iter = sub.getChangedCollection().iterator();
61: while (iter.hasNext()) {
62: System.out.println(" --- Changed: " + iter.next());
63: }
64:
65: }
66: }
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