/**
* 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.ipc;
import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import java.io.IOException;
/**
* Status of a Hadoop IPC call.
*/
enum Status {
SUCCESS (0),
ERROR (1),
FATAL (-1);
int state;
private Status(int state) {
this.state = state;
}
public static byte[] SUCCESSBYTES;
static {
ByteArrayOutputStream bos = new ByteArrayOutputStream();
DataOutputStream dos = new DataOutputStream(bos);
try {
dos.writeInt(Status.SUCCESS.state);
} catch (IOException e) {
SUCCESSBYTES = new byte[] { 0, 0, 0, 0 };
}
SUCCESSBYTES = bos.toByteArray();
}
}