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    }