Source for org.omg.CORBA.CompletionStatus

   1: /* CompletionStatus.java --
   2:    Copyright (C) 2005, 2006 Free Software Foundation, Inc.
   3: 
   4: This file is part of GNU Classpath.
   5: 
   6: GNU Classpath is free software; you can redistribute it and/or modify
   7: it under the terms of the GNU General Public License as published by
   8: the Free Software Foundation; either version 2, or (at your option)
   9: any later version.
  10: 
  11: GNU Classpath is distributed in the hope that it will be useful, but
  12: WITHOUT ANY WARRANTY; without even the implied warranty of
  13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14: General Public License for more details.
  15: 
  16: You should have received a copy of the GNU General Public License
  17: along with GNU Classpath; see the file COPYING.  If not, write to the
  18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19: 02110-1301 USA.
  20: 
  21: Linking this library statically or dynamically with other modules is
  22: making a combined work based on this library.  Thus, the terms and
  23: conditions of the GNU General Public License cover the whole
  24: combination.
  25: 
  26: As a special exception, the copyright holders of this library give you
  27: permission to link this library with independent modules to produce an
  28: executable, regardless of the license terms of these independent
  29: modules, and to copy and distribute the resulting executable under
  30: terms of your choice, provided that you also meet, for each linked
  31: independent module, the terms and conditions of the license of that
  32: module.  An independent module is a module which is not derived from
  33: or based on this library.  If you modify this library, you may extend
  34: this exception to your version of the library, but you are not
  35: obligated to do so.  If you do not wish to do so, delete this
  36: exception statement from your version. */
  37: 
  38: 
  39: package org.omg.CORBA;
  40: 
  41: import gnu.CORBA.Minor;
  42: 
  43: import java.io.Serializable;
  44: 
  45: import org.omg.CORBA.portable.IDLEntity;
  46: 
  47: /**
  48:  * Defines the method completion status, usually for the time moment,
  49:  * when the exception has been thrown.
  50:  * @author Audrius Meskauskas (AudriusA@Bioinformatics.org)
  51:  */
  52: public final class CompletionStatus
  53:   implements Serializable, IDLEntity
  54: {
  55:   /**
  56:    * Use serialVersionUID for interoperability.
  57:    * Using the version 1.4 UID.
  58:    */
  59:   private static final long serialVersionUID = -9047319660881406859L;
  60: 
  61:   /**
  62:    * The method was completed when the exception was thrown.
  63:    */
  64:   public static final int _COMPLETED_YES = 0;
  65: 
  66:   /**
  67:    * The method was running when the exception was thrown.
  68:    */
  69:   public static final int _COMPLETED_NO = 1;
  70: 
  71:   /**
  72:    * The method was either running or complete (no exact information availabe)
  73:    * when the exception was thrown.
  74:    */
  75:   public static final int _COMPLETED_MAYBE = 2;
  76: 
  77:   /**
  78:    * An instance of CompletionStatus, initialized to {@link #COMPLETED_YES }
  79:    */
  80:   public static final CompletionStatus COMPLETED_YES =
  81:     new CompletionStatus(_COMPLETED_YES);
  82: 
  83:   /**
  84:    * An instance of CompletionStatus, initialized to {@link #COMPLETED_NO }
  85:    */
  86:   public static final CompletionStatus COMPLETED_NO =
  87:     new CompletionStatus(_COMPLETED_NO);
  88: 
  89:   /**
  90:    * An instance of CompletionStatus, initialized to {@link #COMPLETED_MAYBE }
  91:    */
  92:   public static final CompletionStatus COMPLETED_MAYBE =
  93:     new CompletionStatus(_COMPLETED_MAYBE);
  94: 
  95:   /**
  96:    * The private array of all states. As long as the states form the uniform
  97:    * sequence, from_int can find the needed value directly indexing this array.
  98:    */
  99:   private static final CompletionStatus[] states =
 100:     new CompletionStatus[] { COMPLETED_YES, COMPLETED_NO, COMPLETED_MAYBE };
 101:   private final int _value;
 102: 
 103:   /**
 104:    * No other instances can be created.
 105:    */
 106:   private CompletionStatus(int a_value)
 107:   {
 108:     _value = a_value;
 109:   }
 110: 
 111:   /**
 112:    * Returns the CompletionStatus, matching the given integer constant
 113:    * 
 114:    * @param completion one of COMPLETED_YES, COMPLETED_NO or COMPLEED_MAYBE.
 115:    * @return one of COMPLETED_YES, COMPLETED_NO or COMPLEED_MAYBE.
 116:    * @throws BAD_PARAM if the parameter is not one of these three valid values.
 117:    */
 118:   public static CompletionStatus from_int(int completion)
 119:   {
 120:     try
 121:       {
 122:         return states[completion];
 123:       }
 124:     catch (ArrayIndexOutOfBoundsException ex)
 125:       {
 126:         BAD_OPERATION bad = new BAD_OPERATION("Invalid completion status "
 127:           + completion);
 128:         bad.minor = Minor.Enumeration;
 129:         throw bad;
 130:       }
 131:   }
 132: 
 133:   /**
 134:    * Returns a short string representation.
 135:    * @return a string, defining the completion status.
 136:    */
 137:   public String toString()
 138:   {
 139:     switch (value())
 140:       {
 141:         case _COMPLETED_YES :
 142:           return "completed";
 143: 
 144:         case _COMPLETED_NO :
 145:           return "not completed";
 146: 
 147:         case _COMPLETED_MAYBE :
 148:           return "maybe completed";
 149: 
 150:         default :
 151:           return "invalid completion status instance";
 152:       }
 153:   }
 154: 
 155:   /**
 156:    * Returns the value, representing the completion
 157:    * status of this object.
 158:    * @return one of COMPLETED_MAYBE, COMPLETED_YES or COMPLETED_NO
 159:    */
 160:   public int value()
 161:   {
 162:     return _value;
 163:   }
 164: }