001 /* IdUniquenessPolicyValue.java --
002 Copyright (C) 2005, 2006 Free Software Foundation, Inc.
003
004 This file is part of GNU Classpath.
005
006 GNU Classpath is free software; you can redistribute it and/or modify
007 it under the terms of the GNU General Public License as published by
008 the Free Software Foundation; either version 2, or (at your option)
009 any later version.
010
011 GNU Classpath is distributed in the hope that it will be useful, but
012 WITHOUT ANY WARRANTY; without even the implied warranty of
013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
014 General Public License for more details.
015
016 You should have received a copy of the GNU General Public License
017 along with GNU Classpath; see the file COPYING. If not, write to the
018 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
019 02110-1301 USA.
020
021 Linking this library statically or dynamically with other modules is
022 making a combined work based on this library. Thus, the terms and
023 conditions of the GNU General Public License cover the whole
024 combination.
025
026 As a special exception, the copyright holders of this library give you
027 permission to link this library with independent modules to produce an
028 executable, regardless of the license terms of these independent
029 modules, and to copy and distribute the resulting executable under
030 terms of your choice, provided that you also meet, for each linked
031 independent module, the terms and conditions of the license of that
032 module. An independent module is a module which is not derived from
033 or based on this library. If you modify this library, you may extend
034 this exception to your version of the library, but you are not
035 obligated to do so. If you do not wish to do so, delete this
036 exception statement from your version. */
037
038
039 package org.omg.PortableServer;
040
041 import gnu.CORBA.Minor;
042
043 import org.omg.CORBA.BAD_OPERATION;
044 import org.omg.CORBA.BAD_PARAM;
045 import org.omg.CORBA.portable.IDLEntity;
046
047 import java.io.Serializable;
048
049 /**
050 * Specifies the Object Id uniqueness policy.
051 *
052 * This enumeration can obtain the following values:
053 * <ul>
054 * <li>UNIQUE_ID a servant activated with that POA supports exactly one Object Id.
055 * </li>
056 * <li>MULTIPLE_ID a servant activated with that POA supports
057 * multiple Object Ids.
058 * </li>
059 * </ul>
060 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
061 */
062 public class IdUniquenessPolicyValue
063 implements Serializable, IDLEntity
064 {
065 /**
066 * Use serialVersionUID (V1.4) for interoperability.
067 */
068 private static final long serialVersionUID = 2698951826884611346L;
069
070 /**
071 * The value field for the current instance.
072 */
073 private final int _value;
074
075 /**
076 * The possible value of this enumeration (UNIQUE_ID).
077 */
078 public static final int _UNIQUE_ID = 0;
079
080 /**
081 * Indicates that a servant activated with that POA, supports one and only
082 * one OBject Id.
083 */
084 public static final IdUniquenessPolicyValue UNIQUE_ID =
085 new IdUniquenessPolicyValue(_UNIQUE_ID);
086
087 /**
088 * The possible value of this enumeration (MULTIPLE_ID).
089 */
090 public static final int _MULTIPLE_ID = 1;
091
092 /**
093 * Indicates that a servant activated with that POA is able to support the
094 * multiple Object Ids.
095 */
096 public static final IdUniquenessPolicyValue MULTIPLE_ID =
097 new IdUniquenessPolicyValue(_MULTIPLE_ID);
098
099 /**
100 * The private array that maps integer codes to the enumeration
101 * values.
102 */
103 private static final IdUniquenessPolicyValue[] enume =
104 new IdUniquenessPolicyValue[] { UNIQUE_ID, MULTIPLE_ID };
105
106 /**
107 * The private array of state names.
108 */
109 private static final String[] state_names =
110 new String[] { "UNIQUE_ID", "MULTIPLE_ID" };
111
112 /**
113 * Normally, no new instances are required, so the constructor is protected.
114 */
115 protected IdUniquenessPolicyValue(int a_value)
116 {
117 _value = a_value;
118 }
119
120 /**
121 * Returns the IdUniquenessPolicyValue, matching the given integer constant.
122 *
123 * @param code one of _UNIQUE_ID, _MULTIPLE_ID.
124 * @return one of UNIQUE_ID, MULTIPLE_ID.
125 * @throws BAD_PARAM if the parameter is not one of the valid values.
126 */
127 public static IdUniquenessPolicyValue from_int(int code)
128 {
129 try
130 {
131 return enume [ code ];
132 }
133 catch (ArrayIndexOutOfBoundsException ex)
134 {
135 BAD_OPERATION bad = new BAD_OPERATION("Invalid policy code " + code);
136 bad.minor = Minor.PolicyType;
137 throw bad;
138 }
139 }
140
141 /**
142 * Returns a short string representation.
143 * @return the name of the current enumeration value.
144 */
145 public String toString()
146 {
147 return state_names [ _value ];
148 }
149
150 /**
151 * Returns the integer code of the policy value.
152 * @return _UNIQUE_ID or _MULTIPLE_ID.
153 */
154 public int value()
155 {
156 return _value;
157 }
158 }