/*
Copyright (c) 2007 Health Market Science, Inc.

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License.

This library 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
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
USA

You can contact Health Market Science at info@healthmarketscience.com
or at the following address:

Health Market Science
2700 Horizon Drive
Suite 200
King of Prussia, PA 19406
*/

package com.healthmarketscience.rmiio;

import java.io.IOException;
import java.rmi.RemoteException;
import org.slf4j.Logger;


/**
 * Wrapper for a RemoteInputStream stub which handles retry magic under the
 * hood.  The retry policy for a given method call will use the internal
 * policy for the default methods, but may be overridden on a per-call basis
 * using the extended methods.
 *
 * @author James Ahlborn
 */
public class RemoteInputStreamWrapper
  extends RemoteWrapper<RemoteInputStream>
  implements RemoteInputStream
{

  public RemoteInputStreamWrapper(RemoteInputStream stub,
                                  RemoteRetry retry,
                                  Logger log) {
    super(stub, retry, log);
  }

  public boolean usingGZIPCompression()
    throws IOException
  {
    return usingGZIPCompression(_retry);
  }

  public boolean usingGZIPCompression(RemoteRetry retry)
    throws IOException
  {
    return retry.call(new RemoteRetry.Caller<Boolean>()
      {
        @Override
        public Boolean call() throws IOException {
          return _stub.usingGZIPCompression();
        }
      }, _log, RemoteException.class);
  }

  public int available()
    throws IOException
  {
    return available(_retry);
  }

  public int available(RemoteRetry retry)
    throws IOException
  {
    return retry.call(new RemoteRetry.Caller<Integer>()
      {
        @Override
        public Integer call() throws IOException {
          return _stub.available();
        }
      }, _log, IOException.class);
  }

  public void close(boolean readSuccess)
    throws IOException
  {
    close(readSuccess, _retry);
  }

  public void close(final boolean readSuccess, RemoteRetry retry)
    throws IOException
  {
    retry.call(new RemoteRetry.VoidCaller()
      {
        @Override
        public void voidCall() throws IOException {
          _stub.close(readSuccess);
        }
      }, _log, IOException.class);
  }

  public byte[] readPacket(int packetId)
    throws IOException
  {
    return readPacket(packetId, _retry);
  }

  public byte[] readPacket(final int packetId, RemoteRetry retry)
    throws IOException
  {
    return retry.call(new RemoteRetry.Caller<byte[]>()
      {
        @Override
        public byte[] call() throws IOException {
          return _stub.readPacket(packetId);
        }
      }, _log, IOException.class);
  }

  public long skip(long n, int skipId)
    throws IOException
  {
    return skip(n, skipId, _retry);
  }

  public long skip(final long n, final int skipId, RemoteRetry retry)
    throws IOException
  {
    return retry.call(new RemoteRetry.Caller<Long>()
      {
        @Override
        public Long call() throws IOException {
          return _stub.skip(n, skipId);
        }
      }, _log, IOException.class);
  }

}