| package org.apache.rya.joinselect.mr; |
| |
| /* |
| * 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. |
| */ |
| |
| |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.rya.joinselect.mr.utils.CardList; |
| import org.apache.rya.joinselect.mr.utils.TripleEntry; |
| |
| import org.apache.accumulo.core.data.Mutation; |
| import org.apache.accumulo.core.data.Value; |
| import org.apache.hadoop.io.Text; |
| import org.apache.hadoop.mrunit.mapreduce.ReduceDriver; |
| import org.junit.Test; |
| |
| public class CardinalityIdentityReducerTest { |
| |
| private static final String DELIM = "\u0000"; |
| |
| @Test |
| public void testCIReducerOneConstant() throws InterruptedException, IOException { |
| |
| TripleEntry te = new TripleEntry(new Text("urn:gem:etype#1234"), new Text(""), new Text("subject"), new Text(""), new Text("object")); |
| CardList cL1 = new CardList(1, 2, 3, 0, 0, 0); |
| CardList cL2 = new CardList(4, 5, 6, 0, 0, 0); |
| CardList cl = new CardList(5, 7, 9, 0, 0, 0); |
| List<CardList> list = new ArrayList<CardList>(); |
| list.add(cL1); |
| list.add(cL2); |
| |
| Text row = new Text(te.getFirstPos().toString() + DELIM + te.getFirst().toString()); |
| Mutation m1 = new Mutation(row); |
| m1.put(new Text(te.getKeyPos().toString() + "subject"), new Text(cl.getcardS().toString()), new Value(new byte[0])); |
| Mutation m2 = new Mutation(row); |
| m2.put(new Text(te.getKeyPos().toString() + "predicate"), new Text(cl.getcardP().toString()), new Value(new byte[0])); |
| Mutation m3 = new Mutation(row); |
| m3.put(new Text(te.getKeyPos().toString() + "object"), new Text(cl.getcardO().toString()), new Value(new byte[0])); |
| Text table = new Text(""); |
| |
| new ReduceDriver<TripleEntry,CardList,Text,Mutation>().withReducer(new JoinSelectStatisticsSum.CardinalityIdentityReducer()).withInput(te, list) |
| .withOutput(table, m1).withOutput(table, m2).withOutput(table, m3).runTest(); |
| |
| } |
| |
| @Test |
| public void testCIReducerTwoConstant() throws InterruptedException, IOException { |
| |
| TripleEntry te = new TripleEntry(new Text("urn:gem:etype#1234"), new Text("urn:gem#pred"), new Text("subject"), new Text("predicate"), new Text("object")); |
| CardList cL1 = new CardList(1, 2, 3, 0, 0, 0); |
| CardList cL2 = new CardList(4, 5, 6, 0, 0, 0); |
| CardList cl = new CardList(5, 7, 9, 0, 0, 0); |
| List<CardList> list = new ArrayList<CardList>(); |
| list.add(cL1); |
| list.add(cL2); |
| |
| Text row = new Text(te.getFirstPos().toString() + te.getSecondPos().toString() + DELIM + te.getFirst().toString() + DELIM + te.getSecond()); |
| Mutation m1 = new Mutation(row); |
| m1.put(new Text(te.getKeyPos().toString() + "subject"), new Text(cl.getcardS().toString()), new Value(new byte[0])); |
| Mutation m2 = new Mutation(row); |
| m2.put(new Text(te.getKeyPos().toString() + "predicate"), new Text(cl.getcardP().toString()), new Value(new byte[0])); |
| Mutation m3 = new Mutation(row); |
| m3.put(new Text(te.getKeyPos().toString() + "object"), new Text(cl.getcardO().toString()), new Value(new byte[0])); |
| Text table = new Text(""); |
| |
| new ReduceDriver<TripleEntry,CardList,Text,Mutation>().withReducer(new JoinSelectStatisticsSum.CardinalityIdentityReducer()).withInput(te, list) |
| .withOutput(table, m1).withOutput(table, m2).withOutput(table, m3).runTest(); |
| |
| } |
| |
| @Test |
| public void testJoinTwoVars() throws InterruptedException, IOException { |
| |
| TripleEntry te = new TripleEntry(new Text("urn:gem:etype#1234"), new Text(""), new Text("subject"), new Text(""), new Text("predicateobject")); |
| CardList cL1 = new CardList(0, 0, 0, 1, 2, 3); |
| CardList cL2 = new CardList(0, 0, 0, 4, 5, 6); |
| CardList cl = new CardList(0, 0, 0, 5, 7, 9); |
| List<CardList> list = new ArrayList<CardList>(); |
| list.add(cL1); |
| list.add(cL2); |
| |
| Text row = new Text(te.getFirstPos().toString() + DELIM + te.getFirst().toString()); |
| Mutation m1 = new Mutation(row); |
| m1.put(new Text(te.getKeyPos().toString() + "subjectpredicate"), new Text(cl.getcardSP().toString()), new Value(new byte[0])); |
| Mutation m2 = new Mutation(row); |
| m2.put(new Text(te.getKeyPos().toString() + "predicateobject"), new Text(cl.getcardPO().toString()), new Value(new byte[0])); |
| Mutation m3 = new Mutation(row); |
| m3.put(new Text(te.getKeyPos().toString() + "objectsubject"), new Text(cl.getcardSO().toString()), new Value(new byte[0])); |
| Text table = new Text(""); |
| |
| new ReduceDriver<TripleEntry,CardList,Text,Mutation>().withReducer(new JoinSelectStatisticsSum.CardinalityIdentityReducer()).withInput(te, list) |
| .withOutput(table, m1).withOutput(table, m2).withOutput(table, m3).runTest(); |
| |
| } |
| |
| @Test |
| public void testJoinTwoVarsReverseOrder() throws InterruptedException, IOException { |
| |
| TripleEntry te = new TripleEntry(new Text("urn:gem:etype#1234"), new Text(""), new Text("subject"), new Text(""), new Text("objectpredicate")); |
| CardList cL1 = new CardList(0, 0, 0, 1, 2, 3); |
| CardList cL2 = new CardList(0, 0, 0, 4, 5, 6); |
| CardList cl = new CardList(0, 0, 0, 5, 7, 9); |
| List<CardList> list = new ArrayList<CardList>(); |
| list.add(cL1); |
| list.add(cL2); |
| |
| Text row = new Text(te.getFirstPos().toString() + DELIM + te.getFirst().toString()); |
| Mutation m1 = new Mutation(row); |
| m1.put(new Text("predicateobject" + "predicatesubject"), new Text(cl.getcardSP().toString()), new Value(new byte[0])); |
| Mutation m2 = new Mutation(row); |
| m2.put(new Text("predicateobject" + "objectpredicate"), new Text(cl.getcardPO().toString()), new Value(new byte[0])); |
| Mutation m3 = new Mutation(row); |
| m3.put(new Text("predicateobject" + "subjectobject"), new Text(cl.getcardSO().toString()), new Value(new byte[0])); |
| Text table = new Text(""); |
| |
| new ReduceDriver<TripleEntry,CardList,Text,Mutation>().withReducer(new JoinSelectStatisticsSum.CardinalityIdentityReducer()).withInput(te, list) |
| .withOutput(table, m1).withOutput(table, m2).withOutput(table, m3).runTest(); |
| |
| } |
| |
| } |