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.core.blackboard;
28:
29: import org.cougaar.core.util.UID;
30: import org.cougaar.core.util.UniqueObject;
31: import org.cougaar.util.KeyedSet;
32:
33: /**
34: * A custom {@link java.util.Set} that maintains a {@link
35: * java.util.Map}-like associations from {@link
36: * UID}s to {@link UniqueObject}s.
37: */
38: public class UniqueObjectSet extends KeyedSet {
39: protected Object getKey(Object o) {
40: if (o instanceof UniqueObject) {
41: return ((UniqueObject) o).getUID();
42: } else {
43: return null;
44: }
45: }
46:
47: public UniqueObject findUniqueObject(Object o) {
48: if (o instanceof UniqueObject) {
49: UID uid = ((UniqueObject) o).getUID();
50: return (UniqueObject) inner.get(uid);
51: } else {
52: return null;
53: }
54: }
55:
56: public UniqueObject findUniqueObject(UniqueObject o) {
57: UID uid = o.getUID();
58: return (UniqueObject) inner.get(uid);
59: }
60:
61: public UniqueObject findUniqueObject(UID uid) {
62: return (UniqueObject) inner.get(uid);
63: }
64:
65: }
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