| /* |
| * 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.pig.backend.hadoop.executionengine.physicalLayer; |
| |
| import java.io.Serializable; |
| |
| public class Result implements Serializable { |
| /** |
| * |
| */ |
| private static final long serialVersionUID = 1L; |
| |
| /* |
| * When returnStatus is set to POStatus.STATUS_ERR |
| * Operators can choose to use the result field |
| * to put a meaning error message which will be |
| * printed out in the final message shown to the user |
| */ |
| |
| public byte returnStatus; |
| |
| public Object result; |
| |
| public Result() { |
| returnStatus = POStatus.STATUS_ERR; |
| result = null; |
| } |
| |
| public Result(byte returnStatus, Object result) { |
| this.returnStatus = returnStatus ; |
| this.result = result; |
| } |
| |
| @Override |
| public String toString() { |
| return (result!=null)?result.toString():"NULL"; |
| } |
| |
| |
| } |