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.glm.ldm.plan;
28:
29: // import org.cougaar.planning.ldm.plan.*;
30:
31: import java.io.IOException;
32: import java.io.ObjectInputStream;
33: import java.io.Serializable;
34:
35: /** Implementation of Capability.
36: *
37: */
38:
39: public final class CapabilityImpl implements Capability, Serializable,
40: Cloneable {
41:
42: private String capability;
43:
44: //no-arg constructor
45: public CapabilityImpl() {
46: super ();
47: }
48:
49: /** Constructor takes a String that represents the capability */
50: public CapabilityImpl(String c) {
51: if (c != null)
52: c = c.intern();
53: capability = c;
54: }
55:
56: /** @return String toString returns the String that represents the capability */
57: public String toString() {
58: return capability;
59: }
60:
61: /** Capabilities are equal IFF they encapsulate the same string
62: */
63: public boolean equals(Object c) {
64: return (capability != null && c instanceof CapabilityImpl && capability
65: .equals(c.toString()));
66: }
67:
68: /** Since these instances' identifies are Value based, we ensure the hashCode of
69: * any instance of this class is derived from the Value.
70: * @return int hashCode value for a Capability instance.
71: */
72: public int hashCode() {
73: return capability.hashCode();
74: }
75:
76: private void readObject(ObjectInputStream stream)
77: throws ClassNotFoundException, IOException {
78: stream.defaultReadObject();
79: if (capability != null)
80: capability = capability.intern();
81: }
82:
83: }
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