gcc/libjava/classpath/org/omg/PortableServer/IdUniquenessPolicyValue.java

/* IdUniquenessPolicyValue.java --
   Copyright (C) 2005, 2006 Free Software Foundation, Inc.

This file is part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.

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General Public License for more details.

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02110-1301 USA.

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permission to link this library with independent modules to produce an
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package org.omg.PortableServer;

import gnu.CORBA.Minor;

import org.omg.CORBA.BAD_OPERATION;
import org.omg.CORBA.BAD_PARAM;
import org.omg.CORBA.portable.IDLEntity;

import java.io.Serializable;

/**
* Specifies the Object Id uniqueness policy.
*
* This enumeration can obtain the following values:
* <ul>
* <li>UNIQUE_ID a servant activated with that POA supports exactly one Object Id.
* </li>
* <li>MULTIPLE_ID a servant activated with that POA supports
* multiple Object Ids.
* </li>
* </ul>
* @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
*/
public class IdUniquenessPolicyValue
  implements Serializable, IDLEntity
{
  /**
   * Use serialVersionUID (V1.4) for interoperability.
   */
  private static final long serialVersionUID = 2698951826884611346L;

  /**
   * The value field for the current instance.
   */
  private final int _value;

  /**
  * The possible value of this enumeration (UNIQUE_ID).
  */
  public static final int _UNIQUE_ID = 0;

  /**
   * Indicates that a servant activated with that POA, supports one and only
   * one OBject Id.
   */
  public static final IdUniquenessPolicyValue UNIQUE_ID =
    new IdUniquenessPolicyValue(_UNIQUE_ID);

  /**
  * The possible value of this enumeration (MULTIPLE_ID).
  */
  public static final int _MULTIPLE_ID = 1;

  /**
   * Indicates that a servant activated with that POA is able to support the
   * multiple Object Ids.
   */
  public static final IdUniquenessPolicyValue MULTIPLE_ID =
    new IdUniquenessPolicyValue(_MULTIPLE_ID);

  /**
   * The private array that maps integer codes to the enumeration
   * values.
   */
  private static final IdUniquenessPolicyValue[] enume =
    new IdUniquenessPolicyValue[] { UNIQUE_ID, MULTIPLE_ID };

  /**
   * The private array of state names.
   */
  private static final String[] state_names =
    new String[] { "UNIQUE_ID", "MULTIPLE_ID" };

  /**
   * Normally, no new instances are required, so the constructor is protected.
   */
  protected IdUniquenessPolicyValue(int a_value)
  {
    _value = a_value;
  }

  /**
   * Returns the IdUniquenessPolicyValue, matching the given integer constant.
   *
   * @param code one of _UNIQUE_ID, _MULTIPLE_ID.
   * @return one of UNIQUE_ID, MULTIPLE_ID.
   * @throws BAD_PARAM if the parameter is not one of the valid values.
   */
  public static IdUniquenessPolicyValue from_int(int code)
  {
    try
      {
        return enume [ code ];
      }
    catch (ArrayIndexOutOfBoundsException ex)
      {
        BAD_OPERATION bad = new BAD_OPERATION("Invalid policy code " + code);
        bad.minor = Minor.PolicyType;
        throw bad;
      }
  }

  /**
   * Returns a short string representation.
   * @return the name of the current enumeration value.
   */
  public String toString()
  {
    return state_names [ _value ];
  }

  /**
   * Returns the integer code of the policy value.
   * @return _UNIQUE_ID or _MULTIPLE_ID.
   */
  public int value()
  {
    return _value;
  }
}