| /* |
| * 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.impl.builtin;
|
|
|
| import java.io.IOException; |
| |
| import org.apache.pig.EvalFunc; |
| import org.apache.pig.data.DataAtom; |
| import org.apache.pig.data.DataBag; |
| import org.apache.pig.data.Datum; |
| import org.apache.pig.data.Tuple; |
| |
|
|
| public class GFReplicate extends EvalFunc<DataBag> {
|
|
|
| int numGroups = GFAny.defaultNumGroups;
|
|
|
| public GFReplicate(){}
|
|
|
| public GFReplicate(int numGroups){
|
| this.numGroups = numGroups;
|
| }
|
|
|
| @Override
|
| public void exec(Tuple input, DataBag output) throws IOException{
|
| for (int i=0; i<numGroups; i++){
|
| output.add(new Tuple(new DataAtom(i)));
|
| }
|
| }
|
|
|
| }
|