| /* |
| * 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.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; |
| import org.apache.pig.impl.util.Utils; |
| |
| public class PONative extends PhysicalOperator { |
| |
| private static final long serialVersionUID = 1L; |
| |
| String nativeMRjar; |
| String[] params; |
| |
| public PONative(OperatorKey k) { |
| super(k); |
| } |
| |
| @Override |
| public void visit(PhyPlanVisitor v) throws VisitorException { |
| v.visitNative(this); |
| } |
| |
| @Override |
| public String name() { |
| return getAliasString() + "Native" + "('hadoop jar " |
| + nativeMRjar + " " + Utils.getStringFromArray(getParams()) + "')" |
| + " - " + mKey.toString(); |
| } |
| |
| public String getNativeMRjar() { |
| return nativeMRjar; |
| } |
| |
| public void setNativeMRjar(String nativeMRjar) { |
| this.nativeMRjar = nativeMRjar; |
| } |
| |
| public String[] getParams() { |
| unquotePropertyParams(); |
| return params; |
| } |
| |
| /** |
| * if there is a argument that starts with "-D", unquote the value part |
| * to support use case in PIG-1917 |
| */ |
| private void unquotePropertyParams() { |
| for(int i=0; i<params.length; i++){ |
| String param = params[i]; |
| if(param.startsWith("-D")){ |
| int equalPos = param.indexOf('='); |
| //to unquote, there should be a '=', then at least two quotes |
| if(equalPos == -1 || equalPos >= param.length() - 3) |
| continue; |
| |
| if(checkQuote(equalPos+1, param,'\'') |
| || checkQuote(equalPos + 1, param, '"') |
| ){ |
| //found quoted value part, remove the quotes |
| params[i] = param.substring(0, equalPos + 1) |
| + param.substring(equalPos + 2, param.length() - 1); |
| } |
| } |
| } |
| } |
| |
| private boolean checkQuote(int i, String param, char quote) { |
| return param.charAt(i) == quote && param.charAt(param.length()-1) == quote; |
| } |
| |
| public void setParams(String[] params) { |
| this.params = params; |
| } |
| |
| @Override |
| public boolean supportsMultipleInputs() { |
| return false; |
| } |
| |
| @Override |
| public boolean supportsMultipleOutputs() { |
| return false; |
| } |
| |
| @Override |
| public Tuple illustratorMarkup(Object in, Object out, int eqClassIndex) { |
| return null; |
| } |
| } |