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.asset.Asset;
32: import org.cougaar.util.UnaryPredicate;
33: import org.cougaar.util.log.Logger;
34:
35: /**
36: * Used to filter for new or changed generic assets.
37: *
38: * Try not to use this. There are more specific filters -
39: * for organizations and physical assets...
40: */
41:
42: public class UTILAssetCallback extends UTILFilterCallbackAdapter {
43: public UTILAssetCallback(UTILFilterCallbackListener listener,
44: Logger logger) {
45: super (listener, logger);
46: }
47:
48: protected UnaryPredicate getPredicate() {
49: return new UnaryPredicate() {
50: public boolean execute(Object o) {
51: return (o instanceof Asset && ((UTILAssetListener) myListener)
52: .interestingAsset((Asset) o));
53: }
54: };
55: }
56:
57: public void reactToChangedFilter() {
58: Enumeration changedList = mySub.getChangedList();
59: Enumeration addedList = mySub.getAddedList();
60:
61: if (changedList.hasMoreElements())
62: ((UTILAssetListener) myListener)
63: .handleChangedAssets(changedList);
64:
65: if (addedList.hasMoreElements())
66: ((UTILAssetListener) myListener).handleNewAssets(addedList);
67: }
68: }
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