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Apache Hadoop NFS library

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/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.hadoop.nfs.nfs3.response;

import org.apache.hadoop.oncrpc.RpcAcceptedReply;
import org.apache.hadoop.oncrpc.XDR;
import org.apache.hadoop.oncrpc.security.Verifier;

/**
 * Base class for a NFSv3 response. This class and its subclasses contain
 * the response from NFSv3 handlers.
 */
public class NFS3Response {
  protected int status;

  public NFS3Response(int status) {
    this.status = status;
  }

  public int getStatus() {
    return this.status;
  }

  public void setStatus(int status) {
    this.status = status;
  }

  /**
   * Write the response, along with the rpc header (including verifier), to the
   * XDR.
   * @param out XDR output message
   * @param xid transaction id
   * @param verifier verifies reply
   * @return XDR response
   */
  public XDR serialize(XDR out, int xid, Verifier verifier) {
    RpcAcceptedReply reply = RpcAcceptedReply.getAcceptInstance(xid, verifier);
    reply.write(out);
    out.writeInt(this.getStatus());
    return out;
  }
}