01: /*
02: * <copyright>
03: *
04: * Copyright 1997-2004 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.callback;
28:
29: import org.cougaar.planning.ldm.policy.Policy;
30: import org.cougaar.util.UnaryPredicate;
31: import org.cougaar.util.log.Logger;
32:
33: public class UTILPolicyCallback extends UTILFilterCallbackAdapter {
34:
35: /////////////////////////////////////////////////////////////////
36: /// CONSTRUCTORS
37: /////////////////////////////////////////////////////////////////
38:
39: /**
40: * Constructor. Takes as the argument the pointer to the listener
41: * (which in most cases is a plugin that implements that listener
42: * interface.
43: */
44: public UTILPolicyCallback(UTILPolicyListener listener, Logger logger) {
45: super (listener, logger);
46: }
47:
48: /////////////////////////////////////////////////////////////////
49: /// OVERRIDING SUPERCLASS METHODS
50: /////////////////////////////////////////////////////////////////
51:
52: /**
53: * Return the predicate. The superclass constructor calls this
54: * function to actually setup the plugin predicate subscription.
55: */
56: protected UnaryPredicate getPredicate() {
57: return new UnaryPredicate() {
58: public boolean execute(Object o) {
59: if (o instanceof Policy) {
60: Policy p = (Policy) o;
61: return ((UTILPolicyListener) myListener)
62: .interestingPolicy(p);
63: }
64: return false;
65: }
66: };
67: }
68: }
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