gcc/libjava/classpath/org/omg/CosNaming/_BindingIteratorStub.java

/* _BindingIteratorStub.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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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
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permission to link this library with independent modules to produce an
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package org.omg.CosNaming;

import org.omg.CORBA.MARSHAL;
import org.omg.CORBA.portable.ApplicationException;
import org.omg.CORBA.portable.Delegate;
import org.omg.CORBA.portable.InputStream;
import org.omg.CORBA.portable.ObjectImpl;
import org.omg.CORBA.portable.OutputStream;
import org.omg.CORBA.portable.RemarshalException;

/**
 * The binding interator stub (proxy), used on the client side.
 * The BindingIterator methods contains the code for remote invocaton.
 *
 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
 */
public class _BindingIteratorStub
  extends ObjectImpl
  implements BindingIterator
{
  /**
   * Use serialVersionUID (v1.4) for interoperability.
   */
  private static final long serialVersionUID = 8969257760771186704L;

  /**
   * The object can be destroyed only once.
   */
  private boolean destroyed;

  /**
   * Create the stub.
   */
  public _BindingIteratorStub()
  {
    super();
  }

  /**
   * Create the stub that used the given delegate.
   */
  _BindingIteratorStub(Delegate delegate)
  {
    super();
    _set_delegate(delegate);
  }

  /**
   * Get an array of repository ids for this object.
   */
  public String[] _ids()
  {
    return new String[] { BindingIteratorHelper.id() };
  }

  /**
   * Returns true if the object has been destroyed.
   */
  public boolean _non_existent()
  {
    return destroyed;
  }

  /**
   * Destroys the object on the server side.
   * The destruction message is sent only once, even if the method is
   * called repeatedly.
   */
  public void destroy()
  {
    if (destroyed)
      return;

    InputStream _in = null;
    try
      {
        OutputStream _out = _request("destroy", true);
        _in = _invoke(_out);
        destroyed = true;
      }
    catch (ApplicationException _ex)
      {
        _in = _ex.getInputStream();
        throw new MARSHAL(_ex.getId());
      }
    catch (RemarshalException _rm)
      {
        destroy();
      }
    finally
      {
        _releaseReply(_in);
      }
  }

  /** {@inheritDoc} */
  public boolean next_n(int amount, BindingListHolder a_list)
  {
    InputStream _in = null;
    try
      {
        OutputStream _out = _request("next_n", true);
        _out.write_ulong(amount);
        _in = _invoke(_out);

        boolean result = _in.read_boolean();
        a_list.value = BindingListHelper.read(_in);
        return result;
      }
    catch (ApplicationException _ex)
      {
        _in = _ex.getInputStream();
        throw new MARSHAL(_ex.getId());
      }
    catch (RemarshalException _rm)
      {
        return next_n(amount, a_list);
      }
    finally
      {
        _releaseReply(_in);
      }
  }

  /** {@inheritDoc} */
  public boolean next_one(BindingHolder a_binding)
  {
    InputStream _in = null;
    try
      {
        OutputStream _out = _request("next_one", true);
        _in = _invoke(_out);

        boolean result = _in.read_boolean();
        a_binding.value = BindingHelper.read(_in);
        return result;
      }
    catch (ApplicationException _ex)
      {
        _in = _ex.getInputStream();
        throw new MARSHAL(_ex.getId());
      }
    catch (RemarshalException _rm)
      {
        return next_one(a_binding);
      }
    finally
      {
        _releaseReply(_in);
      }
  }

  /**
   * Destroys the iterator instance on the server side, calling
   * {@link #destroy()}.
   *
   * @throws java.lang.Throwable
   */
  protected void finalize()
                   throws java.lang.Throwable
  {
    destroy();
    super.finalize();
  }
}