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 java.util.Enumeration;
30:
31: import org.cougaar.planning.ldm.policy.Policy;
32:
33: /**
34: * Listener for use with Workflow and ExpandableTask Callbacks.
35: * Doesn't require steps of SingleTaskWorkflowListener.
36: */
37:
38: public interface UTILPolicyListener extends UTILFilterCallbackListener {
39: /**
40: * Defines policies you find interesting.
41: * @param p Policy to check for interest
42: * @return true if task is interesting
43: */
44: boolean interestingPolicy(Policy p);
45:
46: /**
47: * Got an interesting policy, now handle it in some way
48: * @param np new Policies
49: */
50: void handleNewPolicies(Enumeration np);
51:
52: /**
53: * An interesting policy has changed. Do something.
54: */
55: void handleChangedPolicies(Enumeration cp);
56: }
|