01: /*
02: * <copyright>
03: *
04: * Copyright 2001-2004 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.plugin.freeze;
28:
29: import org.cougaar.core.logging.LoggingServiceWithPrefix;
30: import org.cougaar.core.plugin.ServiceUserPlugin;
31: import org.cougaar.core.service.LoggingService;
32: import org.cougaar.util.UnaryPredicate;
33:
34: /**
35: * This component is a base class for freeze plugins.
36: */
37: public abstract class FreezePlugin extends ServiceUserPlugin {
38: protected LoggingService logger;
39:
40: protected FreezePlugin() {
41: super (new Class[0]);
42: }
43:
44: public void setupSubscriptions() {
45: logger = (LoggingService) getServiceBroker().getService(this ,
46: LoggingService.class, null);
47: logger = LoggingServiceWithPrefix.add(logger,
48: getAgentIdentifier().toString() + ": ");
49:
50: }
51:
52: protected static UnaryPredicate targetRelayPredicate = new UnaryPredicate() {
53: public boolean execute(Object o) {
54: return o instanceof FreezeRelayTarget;
55: }
56: };
57:
58: protected static UnaryPredicate sourceRelayPredicate = new UnaryPredicate() {
59: public boolean execute(Object o) {
60: return o instanceof FreezeRelaySource;
61: }
62: };
63: }
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