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: package org.cougaar.glm.execution.eg;
27:
28: /**
29: * Specify a particular plugin in terms of its class and parameter.
30: **/
31: public class PluginSpecification {
32: private Class cls;
33: private String parameter;
34: private int hc;
35:
36: public PluginSpecification(String specificationString)
37: throws ClassNotFoundException {
38: int pos = specificationString.indexOf('/');
39: if (pos != -1) {
40: parameter = specificationString.substring(pos + 1);
41: cls = Class.forName(specificationString.substring(0, pos));
42: } else {
43: parameter = null;
44: cls = Class.forName(specificationString);
45: }
46: hc = cls.hashCode()
47: + (parameter == null ? 0 : parameter.hashCode());
48: }
49:
50: public String getParameter() {
51: return parameter;
52: }
53:
54: public Class getPluginClass() {
55: return cls;
56: }
57:
58: public int hashCode() {
59: return hc;
60: }
61:
62: public boolean equal(Object o) {
63: if (o instanceof PluginSpecification) {
64: PluginSpecification other = (PluginSpecification) o;
65: if (this .cls == other.cls) {
66: if (this .parameter == null)
67: return other.parameter == null;
68: return this .parameter.equals(other.parameter);
69: }
70: }
71: return false;
72: }
73: }
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