001/* SetOverrideType.java --
002   Copyright (C) 2005 Free Software Foundation, Inc.
003
004This file is part of GNU Classpath.
005
006GNU Classpath is free software; you can redistribute it and/or modify
007it under the terms of the GNU General Public License as published by
008the Free Software Foundation; either version 2, or (at your option)
009any later version.
010
011GNU Classpath is distributed in the hope that it will be useful, but
012WITHOUT ANY WARRANTY; without even the implied warranty of
013MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014General Public License for more details.
015
016You should have received a copy of the GNU General Public License
017along with GNU Classpath; see the file COPYING.  If not, write to the
018Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
01902110-1301 USA.
020
021Linking this library statically or dynamically with other modules is
022making a combined work based on this library.  Thus, the terms and
023conditions of the GNU General Public License cover the whole
024combination.
025
026As a special exception, the copyright holders of this library give you
027permission to link this library with independent modules to produce an
028executable, regardless of the license terms of these independent
029modules, and to copy and distribute the resulting executable under
030terms of your choice, provided that you also meet, for each linked
031independent module, the terms and conditions of the license of that
032module.  An independent module is a module which is not derived from
033or based on this library.  If you modify this library, you may extend
034this exception to your version of the library, but you are not
035obligated to do so.  If you do not wish to do so, delete this
036exception statement from your version. */
037
038
039package org.omg.CORBA;
040
041import java.io.Serializable;
042
043import org.omg.CORBA.portable.IDLEntity;
044
045/**
046 * Defines the instruction, how the newly specified policies can be
047 * taken into consideration. The policies can be either
048 * added to the current policies or replace them.
049 *
050 * @author Audrius Meskauskas (AudriusA@Bioinformatics.org)
051 */
052public class SetOverrideType
053  implements Serializable, IDLEntity
054{
055  /**
056   * Use v 1.4 serialVersionUID for interoperability.
057   */
058  private static final long serialVersionUID = -2761857189425106972L;
059
060  /**
061   * Add the new policies to the existing policies.
062   */
063  public static final int _ADD_OVERRIDE = 1;
064
065  /**
066   * Replace the new existing policies by the new policies.
067   */
068  public static final int _SET_OVERRIDE = 0;
069
070  /**
071   * Add the new policies to the existing policies.
072   * An instance of SetOverrideType, initialized to _ADD_OVERRIDE.
073   */
074  public static final SetOverrideType ADD_OVERRIDE =
075    new SetOverrideType(_ADD_OVERRIDE);
076
077  /**
078   * Replace the new existing policies by the new policies.
079   * An instance of SetOverrideType, initialized to _SET_OVERRIDE.
080   */
081  public static final SetOverrideType SET_OVERRIDE =
082    new SetOverrideType(_SET_OVERRIDE);
083
084  private final int _value;
085
086  /**
087   * No other instances can be created.
088   */
089  protected SetOverrideType(int a_value)
090  {
091    _value = a_value;
092  }
093
094  /**
095   * Returns the SetOverrideType, matching the given integer constant
096   * @param kind one of _ADD_OVERRIDE or _SET_OVERRIDE.
097   *
098   * @return one of ADD_OVERRIDE or SET_OVERRIDE.
099   *
100   * @throws BAD_PARAM if the parameter is not one of these two values.
101   */
102  public static SetOverrideType from_int(int kind)
103  {
104    switch (kind)
105      {
106        case _ADD_OVERRIDE :
107          return ADD_OVERRIDE;
108
109        case _SET_OVERRIDE :
110          return SET_OVERRIDE;
111
112        default :
113          throw new BAD_PARAM("invalid add/override type " + kind);
114      }
115  }
116
117  /**
118   * Returns a short string representation.
119   *
120   * @return either "add" or "replace".
121   */
122  public String toString()
123  {
124    return (_value == _ADD_OVERRIDE) ? "add" : "replace";
125  }
126
127  /**
128   * Returns the value, representing stored instruction.
129   *
130   * @return one of ADD_OVERRIDE or SET_OVERRIDE
131   */
132  public int value()
133  {
134    return _value;
135  }
136}