| /* |
| * 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.wayang.iejoin.operators.spark_helpers; |
| |
| import org.apache.spark.api.java.function.Function2; |
| import org.apache.wayang.core.util.Copyable; |
| import org.apache.wayang.iejoin.data.Data; |
| import scala.Tuple2; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.Iterator; |
| |
| /** |
| * Created by khayyzy on 5/28/16. |
| */ |
| public class build2ListObject<TypeXPivot extends Comparable<TypeXPivot>, TypeXRef extends Comparable<TypeXRef>, Input extends Copyable<Input>> |
| implements |
| Function2<Integer, Iterator<Tuple2<Long, Input>>, Iterator<List2AttributesObjectSkinny<TypeXPivot, TypeXRef>>> { |
| |
| /** |
| * |
| */ |
| private static final long serialVersionUID = 6703700898776377115L; |
| org.apache.spark.api.java.function.Function<Input, TypeXPivot> getXPivot; |
| org.apache.spark.api.java.function.Function<Input, TypeXRef> getXRef; |
| |
| boolean list1ASC; |
| boolean list1ASCSec; |
| Integer ex1; |
| Integer ex2; |
| |
| public build2ListObject(boolean list1ASC, boolean list1ASCSec, org.apache.spark.api.java.function.Function<Input, TypeXPivot> getXPivot, org.apache.spark.api.java.function.Function<Input, TypeXRef> getXRef) { |
| this.list1ASC = list1ASC; |
| this.list1ASCSec = list1ASCSec; |
| this.getXPivot = getXPivot; |
| this.getXRef = getXRef; |
| } |
| |
| @SuppressWarnings("unchecked") |
| public Iterator<List2AttributesObjectSkinny<TypeXPivot, TypeXRef>> call(Integer in, |
| Iterator<Tuple2<Long, Input>> arg0) throws Exception { |
| |
| ArrayList<List2AttributesObjectSkinny<TypeXPivot, TypeXRef>> outList = new ArrayList<List2AttributesObjectSkinny<TypeXPivot, TypeXRef>>(1); |
| |
| ArrayList<Data<TypeXPivot, TypeXRef>> list1 = new ArrayList<Data<TypeXPivot, TypeXRef>>(300000); |
| |
| while (arg0.hasNext()) { |
| |
| Tuple2<Long, Input> t2 = arg0.next(); |
| Input t = t2._2().copy(); |
| |
| list1.add(new Data(t2._1(), getXPivot.call(t), getXRef.call(t)));//(TypeXPivot) t.getField(getXPivot), (TypeXRef) t.getField(getXRef))); |
| } |
| Collections.sort(list1, new Data.Comparator(list1ASC, list1ASCSec)); |
| Data[] myData = new Data[list1.size()]; |
| list1.toArray(myData); |
| List2AttributesObjectSkinny<TypeXPivot, TypeXRef> lo = new List2AttributesObjectSkinny<TypeXPivot, TypeXRef>(myData, |
| in); |
| if (!lo.isEmpty()) { |
| outList.add(lo); |
| } |
| return outList.iterator(); |
| } |
| } |
| |