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: package org.cougaar.community;
27:
28: import org.cougaar.core.component.ComponentSupport;
29: import org.cougaar.core.component.ServiceBroker;
30: import org.cougaar.core.component.ServiceRevokedEvent;
31: import org.cougaar.core.component.ServiceRevokedListener;
32: import org.cougaar.core.mts.MessageAddress;
33: import org.cougaar.core.service.AgentIdentificationService;
34: import org.cougaar.core.service.community.CommunityService;
35:
36: /**
37: * Agent-level component that loads the CommunityService provider and adds
38: * initial community relationships for agent to Name Server.
39: */
40:
41: public class CommunityServiceComponent extends ComponentSupport {
42:
43: public CommunityServiceComponent() {
44: super ();
45: }
46:
47: /**
48: * Initializes CommunityService and adds initial community
49: * relationships for this agent to Name Server.
50: */
51: public void load() {
52: ServiceBroker sb = getBindingSite().getServiceBroker();
53: AgentIdentificationService ais = (AgentIdentificationService) sb
54: .getService(this , AgentIdentificationService.class,
55: null);
56: MessageAddress agentId = ais.getMessageAddress();
57: sb.releaseService(this , AgentIdentificationService.class, ais);
58: CommunityService cs = loadCommunityService(agentId);
59: super .load();
60: }
61:
62: /**
63: * Creates a CommunityService instance and adds to agent ServiceBroker.
64: * @param agentId Name of Agent
65: * @return CommunityService reference
66: */
67: private CommunityService loadCommunityService(MessageAddress agentId) {
68: ServiceBroker sb = getBindingSite().getServiceBroker();
69: CommunityServiceProvider csp = new CommunityServiceProvider(
70: getBindingSite(), agentId);
71: sb.addService(CommunityService.class, csp);
72: return (CommunityService) sb.getService(this ,
73: CommunityService.class, new ServiceRevokedListener() {
74: public void serviceRevoked(ServiceRevokedEvent re) {
75: }
76: });
77: }
78:
79: }
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