| /* |
| * 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.Function; |
| import org.apache.wayang.iejoin.operators.IEJoinMasterOperator; |
| import scala.Tuple2; |
| import scala.Tuple5; |
| |
| /** |
| * Created by khayyzy on 5/28/16. |
| */ |
| public class filterUnwantedBlocks<Type0 extends Comparable<Type0>, Type1 extends Comparable<Type1>> |
| implements |
| Function<Tuple2<Tuple5<Long, Type0, Type0, Type1, Type1>, Tuple5<Long, Type0, Type0, Type1, Type1>>, Boolean> { |
| |
| IEJoinMasterOperator.JoinCondition c1; |
| boolean list2ASC; |
| |
| public filterUnwantedBlocks(IEJoinMasterOperator.JoinCondition c1, boolean list2ASC) { |
| this.c1 = c1; |
| this.list2ASC = list2ASC; |
| } |
| |
| @SuppressWarnings("unchecked") |
| public Boolean call( |
| Tuple2<Tuple5<Long, Type0, Type0, Type1, Type1>, Tuple5<Long, Type0, Type0, Type1, Type1>> in) |
| throws Exception { |
| boolean test1 = compare(in._1()._2(), in._2()._3()); |
| boolean test2 = compareMinMax(in._1()._4(), in._1()._5(), in._2()._4(), |
| in._2()._5()); |
| return (test1 && test2); |
| } |
| |
| private boolean compareMinMax(Type1 min1, Type1 max1, Type1 min2, Type1 max2) { |
| if (list2ASC) { |
| //return !(max1 < min2); |
| return (max1.compareTo(min2) >= 0); |
| } else { |
| //return !(min1 > max2); |
| return (min1.compareTo(max2) <= 0); |
| } |
| } |
| |
| private boolean compare(Type0 d1, Type0 d2) { |
| int i = d1.compareTo(d2); |
| if (this.c1 == IEJoinMasterOperator.JoinCondition.GreaterThan) {//this.c1.equals(">")) { |
| return (i > 0); |
| } else if (this.c1 == IEJoinMasterOperator.JoinCondition.GreaterThanEqual) {//this.c1.equals(">=")) { |
| return (i >= 0); |
| } else if (this.c1 == IEJoinMasterOperator.JoinCondition.LessThan) {//this.c1.equals("<")) { |
| return (i < 0); |
| } else if (this.c1 == IEJoinMasterOperator.JoinCondition.LessThanEqual) {//this.c1.equals("<=")) { |
| return (i <= 0); |
| } else |
| return false; |
| } |
| |
| } |