| /* |
| * 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.spark.converter; |
| |
| import java.io.IOException; |
| import java.util.List; |
| |
| import org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator; |
| |
| import org.apache.spark.rdd.RDD; |
| |
| /** |
| * Given an RDD and a PhysicalOperater, and implementation of this class can |
| * convert the RDD to another RDD. |
| */ |
| public interface RDDConverter<IN, OUT, T extends PhysicalOperator> { |
| RDD<OUT> convert(List<RDD<IN>> rdd, T physicalOperator) throws IOException; |
| } |