01: /*
02: * <copyright>
03: *
04: * Copyright 1997-2006 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.demo.hello;
27:
28: import org.cougaar.core.plugin.ComponentPlugin;
29: import org.cougaar.core.service.LoggingService;
30:
31: /** This plugin prints "Hello, world!". */
32: public class HelloPlugin extends ComponentPlugin {
33:
34: private LoggingService log;
35:
36: /** This method is called when the agent is created. */
37: public void load() {
38: super .load();
39:
40: // Get our required Cougaar services
41: log = (LoggingService) getServiceBroker().getService(this ,
42: LoggingService.class, null);
43: }
44:
45: /** This method is called when the agent starts. */
46: protected void setupSubscriptions() {
47: log.shout("Hello, world!");
48: }
49:
50: /** This method is called whenever a subscription changes. */
51: protected void execute() {
52: // we don't have any subscriptions, so we never "execute()"
53: }
54: }
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