01: /*
02: * <copyright>
03: *
04: * Copyright 2002-2004 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.servicediscovery.description;
28:
29: import org.cougaar.util.log.Logger;
30: import org.cougaar.util.log.Logging;
31:
32: /**
33: * The ScoredServiceDescription associates an int score with a
34: * ServiceDescription.
35: * Uses Integer.MIN_VALUE to indicate an uninitialized score.
36: */
37:
38: public class ScoredServiceDescriptionImpl extends
39: ServiceDescriptionImpl implements ScoredServiceDescription {
40: private static int UNDEFINED = Integer.MIN_VALUE;
41: private static Logger logger = Logging
42: .getLogger(ScoredServiceDescriptionImpl.class);
43:
44: private int myScore = UNDEFINED;
45:
46: public ScoredServiceDescriptionImpl() {
47: super ();
48: }
49:
50: public ScoredServiceDescriptionImpl(int score,
51: ServiceInfo serviceInfo) {
52: super (serviceInfo);
53:
54: myScore = score;
55: }
56:
57: /**
58: * returns the score (presumably set by the MatchMaker) associated with
59: * this ServiceDescription
60: */
61: public int getScore() {
62: return myScore;
63: }
64:
65: /**
66: * sets the score associated with this ServiceDescription.
67: * Score can only be set once.
68: */
69: public void setScore(int score) {
70: if (myScore > UNDEFINED) {
71: logger.error("Attempt to reset score.");
72: } else {
73: myScore = score;
74: }
75: }
76:
77: public int compareTo(Object o) {
78: if (!(o instanceof ScoredServiceDescription)) {
79: return 1;
80: } else {
81: ScoredServiceDescription otherSSD = (ScoredServiceDescription) o;
82: if (getScore() > otherSSD.getScore()) {
83: return 1;
84: } else if (getScore() == otherSSD.getScore()) {
85: return 0;
86: } else {
87: return -1;
88: }
89: }
90: }
91: }
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