Source Code Cross Referenced for EnumerationRuleParameter.java in  » Science » Cougaar12_4 » org » cougaar » planning » ldm » policy » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Science » Cougaar12_4 » org.cougaar.planning.ldm.policy 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * <copyright>
003:         *  
004:         *  Copyright 1997-2004 BBNT Solutions, LLC
005:         *  under sponsorship of the Defense Advanced Research Projects
006:         *  Agency (DARPA).
007:         * 
008:         *  You can redistribute this software and/or modify it under the
009:         *  terms of the Cougaar Open Source License as published on the
010:         *  Cougaar Open Source Website (www.cougaar.org).
011:         * 
012:         *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
013:         *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
014:         *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
015:         *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
016:         *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
017:         *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
018:         *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
019:         *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
020:         *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
021:         *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
022:         *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
023:         *  
024:         * </copyright>
025:         */
026:
027:        package org.cougaar.planning.ldm.policy;
028:
029:        /** 
030:         *
031:         **/
032:
033:        /**
034:         * An EnumerationRuleParameter is a RuleParameter with specified/protected
035:         * string selections that returns a string
036:         */
037:        public class EnumerationRuleParameter implements  RuleParameter,
038:                java.io.Serializable {
039:            protected String my_name;
040:            protected String[] my_enums;
041:            protected String my_value;
042:
043:            /**
044:             * Constructor sets min/max values and establishes value as not set
045:             */
046:            public EnumerationRuleParameter(String param_name, String[] enums) {
047:                my_enums = enums;
048:                my_value = null;
049:                my_name = param_name;
050:            }
051:
052:            public EnumerationRuleParameter(String param_name) {
053:                my_name = param_name;
054:                my_value = null;
055:            }
056:
057:            public EnumerationRuleParameter() {
058:            }
059:
060:            /**
061:             * Parameter type is ENUMERATION
062:             */
063:            public int ParameterType() {
064:                return RuleParameter.ENUMERATION_PARAMETER;
065:            }
066:
067:            public String getName() {
068:                return my_name;
069:            }
070:
071:            public void setName(String name) {
072:                my_name = name;
073:            }
074:
075:            public void setEnumeration(String[] enums) {
076:                my_enums = enums;
077:                my_value = null;
078:            }
079:
080:            public String[] getEnumeration() {
081:                return my_enums;
082:            }
083:
084:            /**
085:             * Get parameter value (String)
086:             * @return Object parameter value (String). Note : could be null.
087:             */
088:            public Object getValue() {
089:                return my_value;
090:            }
091:
092:            /**
093:             * Set parameter value
094:             * @param new_value : must be String within given list
095:             * @throws RuleParameterIllegalValueException
096:             */
097:            public void setValue(Object new_value)
098:                    throws RuleParameterIllegalValueException {
099:                boolean success = false;
100:                if (new_value instanceof  String) {
101:                    String new_string = (String) new_value;
102:                    for (int i = 0; i < my_enums.length; i++) {
103:                        if (my_enums[i].equals(new_string)) {
104:                            my_value = new_string;
105:                            success = true;
106:                            break;
107:                        }
108:                    }
109:                }
110:                if (!success)
111:                    throw new RuleParameterIllegalValueException(
112:                            RuleParameter.ENUMERATION_PARAMETER,
113:                            "String must be in specified list : " + Enum_List());
114:            }
115:
116:            /**
117:             * @param test_value : must be String
118:             * @return true if Object is a String in the enumeration, false otherwise
119:             */
120:            public boolean inRange(Object test_value) {
121:                if (test_value instanceof  String) {
122:                    String new_string = (String) test_value;
123:                    for (int i = 0; i < my_enums.length; i++) {
124:                        if (my_enums[i].equals(new_string)) {
125:                            return true;
126:                        }
127:                    }
128:                }
129:                return false;
130:            }
131:
132:            public static void Test() {
133:                String[] enums = { "First", "Second", "Third", "Fourth" };
134:                EnumerationRuleParameter erp = new EnumerationRuleParameter(
135:                        "testEnumParam", enums);
136:
137:                if (erp.getValue() != null) {
138:                    System.out
139:                            .println("Error : Parameter not initialized to null");
140:                }
141:
142:                try {
143:                    erp.setValue("Fifth");
144:                    System.out.println("Error detecting illegal set condition");
145:                } catch (RuleParameterIllegalValueException rpive) {
146:                }
147:
148:                String s3 = "Third";
149:                try {
150:                    erp.setValue(s3);
151:                } catch (RuleParameterIllegalValueException rpive) {
152:                    System.out.println("Error detecting legal set condition");
153:                }
154:
155:                if (!erp.getValue().equals(s3)) {
156:                    System.out.println("Error retrieving value of parameter");
157:                }
158:
159:                System.out.println("ERP = " + erp);
160:                System.out.println("EnumerationRuleParameter test complete.");
161:
162:            }
163:
164:            public String toString() {
165:                return "#<ENUMERATION_PARAMETER : " + my_value + " ["
166:                        + Enum_List() + "] >";
167:            }
168:
169:            public Object clone() {
170:                EnumerationRuleParameter erp = new EnumerationRuleParameter(
171:                        my_name, (String[]) my_enums.clone());
172:                try {
173:                    erp.setValue(my_value);
174:                } catch (RuleParameterIllegalValueException rpive) {
175:                }
176:                return erp;
177:            }
178:
179:            protected String Enum_List() {
180:                String list = "";
181:                for (int i = 0; i < my_enums.length; i++) {
182:                    list += my_enums[i];
183:                    if (i != my_enums.length - 1)
184:                        list += "/";
185:                }
186:                return list;
187:            }
188:        }
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