| /** |
| * 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.mrql; |
| |
| import java.io.IOException; |
| import java.io.DataInput; |
| import java.io.DataOutput; |
| |
| |
| /** a template variable; should appear only in a template */ |
| final public class MR_variable extends MRData { |
| public int var_num; |
| |
| MR_variable ( int n ) { var_num = n; } |
| |
| public void materializeAll () {}; |
| |
| final public void write ( DataOutput out ) throws IOException {} |
| |
| public void readFields ( DataInput in ) throws IOException {} |
| |
| public int compareTo ( MRData x ) { return 0; } |
| |
| public boolean equals ( Object x ) { return false; } |
| |
| public int hashCode () { return 0; } |
| |
| public String toString () { |
| return "variable("+var_num+")"; |
| } |
| } |