/* DynValueCommonOperations.java --
   Copyright (C) 2005 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
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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
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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
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package org.omg.DynamicAny;

/**
 * Provides operations, applicable to {@link DynAny}s that may hold CORBA
 * <code>null</code>.
 * 
 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
 */
public interface DynValueCommonOperations
  extends DynAnyOperations
{
  /**
   * Check if this {@link DynAny} is holding the <code>null</code>.
   * 
   * @return true if this {@link DynAny} is holding the <code>null</code>,
   * false otherwise.
   */
  boolean is_null();

  /**
   * Set the value of this {@link DynAny} to CORBA <code>null</code>.
   */
  void set_to_null();

  /**
   * Set the value of this {@link DynAny} to the default non-null value. The
   * target {@link DynAny} creates a new data structure, intialised to the
   * agreed default values, as defined in {@link DynAnyFactoryOperations}.
   */
  void set_to_value();
}