01: /*
02: * <copyright>
03: *
04: * Copyright 2002-2004 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.core.wp.bootstrap;
28:
29: import java.util.Map;
30: import org.cougaar.core.component.Service;
31:
32: /**
33: * This service is used by discovery pollers to listen for
34: * start/stop requests and pass their findings to the cache.
35: * <p>
36: * The service requestor must implement the Client API.
37: */
38: public interface DiscoveryService extends Service {
39:
40: /**
41: * Replace the prior update or add/change/removes with new bundles,
42: * computing a "diff" for add/change/removes.
43: * <p>
44: * The service instance maintains the state of the last update.
45: */
46: void update(Map m);
47:
48: void add(String name, Bundle bundle);
49:
50: void change(String name, Bundle bundle);
51:
52: void remove(String name, Bundle bundle);
53:
54: interface Client {
55: /** Start searching */
56: void startSearching();
57:
58: /** Stop searching */
59: void stopSearching();
60: }
61: }
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