Retro68/gcc/libjava/classpath/org/omg/PortableServer/LifespanPolicyValue.java

/* LifespanPolicyValue.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.

GNU Classpath is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.

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along with GNU Classpath; see the file COPYING.  If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA.

Linking this library statically or dynamically with other modules is
making a combined work based on this library.  Thus, the terms and
conditions of the GNU General Public License cover the whole
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As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
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this exception to your version of the library, but you are not
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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 life span policy.
*
* This enumeration can obtain the following values:
* <ul>
* <li>TRANSIENT The objects implemented in the POA never outlive
*  the POA instance in which they are first created.</li>
* <li>PERSISTENT The mentioned objects can outlive the process in
* which they are first created.</li>
* </ul>
* @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
*/
public class LifespanPolicyValue
  implements Serializable, IDLEntity
{
  /**
   * Use serialVersionUID (V1.4) for interoperability.
   */
  private static final long serialVersionUID = 6604562925399671611L;

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

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

  /**
   * An instance of LifespanPolicyValue, initialized to TRANSIENT.
   */
  public static final LifespanPolicyValue TRANSIENT =
    new LifespanPolicyValue(_TRANSIENT);

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

  /**
   * An instance of LifespanPolicyValue, initialized to PERSISTENT.
   */
  public static final LifespanPolicyValue PERSISTENT =
    new LifespanPolicyValue(_PERSISTENT);

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

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

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

  /**
   * Returns the LifespanPolicyValue, matching the given integer constant.
   *
   * @param code one of _TRANSIENT, _PERSISTENT.
   * @return one of TRANSIENT, PERSISTENT.
   * @throws BAD_PARAM if the parameter is not one of the valid values.
   */
  public static LifespanPolicyValue 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 _TRANSIENT or _PERSISTENT.
   */
  public int value()
  {
    return _value;
  }
}