| /* |
| * 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.relationalOperators; |
| |
| import org.apache.pig.backend.executionengine.ExecException; |
| import org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator; |
| import org.apache.pig.backend.hadoop.executionengine.physicalLayer.plans.PhyPlanVisitor; |
| import org.apache.pig.data.Tuple; |
| import org.apache.pig.impl.plan.OperatorKey; |
| import org.apache.pig.impl.plan.VisitorException; |
| |
| public class POBroadcastSpark extends PhysicalOperator { |
| private static final long serialVersionUID = 1L; |
| |
| protected String broadcastedVariableName; |
| |
| public POBroadcastSpark(OperatorKey k) { |
| super(k); |
| } |
| |
| public POBroadcastSpark(POBroadcastSpark copy) |
| throws ExecException { |
| super(copy); |
| } |
| |
| /** |
| * Set your broadcast variable name so that |
| * BroadcastConverter can put this broadcasted variable in a map |
| * which can be referenced by other functions / closures in Converters |
| * |
| * @param varName |
| */ |
| public void setBroadcastedVariableName(String varName) { |
| broadcastedVariableName = varName; |
| } |
| |
| public String getBroadcastedVariableName() { |
| return broadcastedVariableName; |
| } |
| |
| @Override |
| public Tuple illustratorMarkup(Object in, Object out, int eqClassIndex) { |
| return null; |
| } |
| |
| @Override |
| public boolean supportsMultipleInputs() { |
| return false; |
| } |
| |
| @Override |
| public boolean supportsMultipleOutputs() { |
| return false; |
| } |
| |
| @Override |
| public String name() { |
| return getAliasString() + "BroadcastSpark - " + mKey.toString(); |
| } |
| |
| @Override |
| public void visit(PhyPlanVisitor v) throws VisitorException { |
| v.visitBroadcastSpark(this); |
| } |
| } |