| /** |
| * 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.apex.examples.distributeddistinct; |
| |
| import java.sql.Connection; |
| import java.sql.DriverManager; |
| import java.sql.ResultSet; |
| import java.sql.SQLException; |
| import java.sql.Statement; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.Properties; |
| import java.util.Set; |
| |
| import org.junit.Assert; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import org.apache.apex.malhar.lib.algo.UniqueValueCount.InternalCountOutput; |
| |
| import com.datatorrent.api.Context.OperatorContext; |
| |
| import static org.apache.apex.malhar.lib.helper.OperatorContextTestHelper.mockOperatorContext; |
| |
| import com.datatorrent.api.DAG; |
| |
| /** |
| * Test for {@link IntegerUniqueValueCountAppender} and {@link UniqueValueCountAppender} |
| */ |
| public class DistributedDistinctTest |
| { |
| private static final Logger logger = LoggerFactory.getLogger(DistributedDistinctTest.class); |
| |
| private static final String APP_ID = "DistributedDistinctTest"; |
| private static final int OPERATOR_ID = 0; |
| |
| public static final String INMEM_DB_URL = "jdbc:hsqldb:mem:test;sql.syntax_mys=true"; |
| public static final String INMEM_DB_DRIVER = "org.hsqldb.jdbc.JDBCDriver"; |
| public static final String TABLE_NAME = "Test_Lookup_Cache"; |
| |
| private static IntegerUniqueValueCountAppender valueCounter; |
| private static String applicationPath; |
| |
| @Test |
| public void testProcess() throws Exception |
| { |
| insertValues(); |
| Statement stmt = valueCounter.getStore().getConnection().createStatement(); |
| |
| ResultSet resultSet = stmt.executeQuery("SELECT col2 FROM " + TABLE_NAME + " WHERE col1 = 1"); |
| ArrayList<Integer> answersOne = new ArrayList<Integer>(); |
| for (int i = 1; i < 16; i++) { |
| answersOne.add(i); |
| } |
| Assert.assertEquals(answersOne, processResult(resultSet)); |
| |
| resultSet = stmt.executeQuery("SELECT col2 FROM " + TABLE_NAME + " WHERE col1 = 2"); |
| ArrayList<Integer> answersTwo = new ArrayList<Integer>(); |
| answersTwo.add(3); |
| answersTwo.add(6); |
| answersTwo.add(9); |
| for (int i = 11; i < 21; i++) { |
| answersTwo.add(i); |
| } |
| Assert.assertEquals(answersTwo, processResult(resultSet)); |
| |
| resultSet = stmt.executeQuery("SELECT col2 FROM " + TABLE_NAME + " WHERE col1 = 3"); |
| ArrayList<Integer> answersThree = new ArrayList<Integer>(); |
| answersThree.add(2); |
| answersThree.add(4); |
| answersThree.add(6); |
| answersThree.add(8); |
| answersThree.add(10); |
| for (int i = 11; i < 21; i++) { |
| answersThree.add(i); |
| } |
| Assert.assertEquals(answersThree, processResult(resultSet)); |
| |
| valueCounter.teardown(); |
| } |
| |
| public static void insertValues() |
| { |
| logger.debug("start round 0"); |
| valueCounter.beginWindow(0); |
| emitKeyVals(1, 1, 10, 1); |
| emitKeyVals(1, 5, 15, 1); |
| valueCounter.endWindow(); |
| logger.debug("end round 0"); |
| |
| logger.debug("start round 1"); |
| valueCounter.beginWindow(1); |
| emitKeyVals(2, 3, 15, 3); |
| emitKeyVals(3, 2, 20, 2); |
| emitKeyVals(3, 11, 20, 1); |
| valueCounter.endWindow(); |
| logger.debug("end round 1"); |
| |
| logger.debug("start round 2"); |
| valueCounter.beginWindow(2); |
| emitKeyVals(3, 2, 20, 2); |
| emitKeyVals(2, 11, 20, 1); |
| valueCounter.endWindow(); |
| logger.debug("end round 2"); |
| } |
| |
| public static ArrayList<Integer> processResult(ResultSet resultSet) |
| { |
| ArrayList<Integer> tempList = new ArrayList<Integer>(); |
| try { |
| while (resultSet.next()) { |
| tempList.add(resultSet.getInt(1)); |
| } |
| } catch (SQLException e) { |
| throw new RuntimeException(e); |
| } |
| Collections.sort(tempList); |
| return tempList; |
| } |
| |
| public static void emitKeyVals(int key, int start, int end, int increment) |
| { |
| int count = 0; |
| Set<Object> valSet = new HashSet<Object>(); |
| for (int i = start; i <= end; i += increment) { |
| count++; |
| valSet.add(i); |
| } |
| valueCounter.processTuple(new InternalCountOutput<Integer>(key, count, valSet)); |
| } |
| |
| @Test |
| public void testSetup() throws Exception |
| { |
| insertValues(); |
| Statement stmt = valueCounter.getStore().getConnection().createStatement(); |
| com.datatorrent.api.Attribute.AttributeMap.DefaultAttributeMap attributes = new com.datatorrent.api.Attribute.AttributeMap.DefaultAttributeMap(); |
| attributes.put(DAG.APPLICATION_ID, APP_ID); |
| attributes.put(DAG.APPLICATION_PATH, applicationPath); |
| attributes.put(OperatorContext.ACTIVATION_WINDOW_ID, 2L); |
| |
| valueCounter.setup(mockOperatorContext(0, attributes)); |
| |
| ResultSet resultSet = stmt.executeQuery("SELECT col2 FROM " + TABLE_NAME + " WHERE col1 = 2"); |
| ArrayList<Integer> answersAfterClear = new ArrayList<Integer>(); |
| for (int i = 3; i < 16; i += 3) { |
| answersAfterClear.add(i); |
| } |
| Assert.assertEquals(answersAfterClear, processResult(resultSet)); |
| |
| resultSet = stmt.executeQuery("SELECT col2 FROM " + TABLE_NAME + " WHERE col1 = 3"); |
| ArrayList<Integer> answersThree = new ArrayList<Integer>(); |
| answersThree.add(2); |
| answersThree.add(4); |
| answersThree.add(6); |
| answersThree.add(8); |
| answersThree.add(10); |
| for (int i = 11; i < 21; i++) { |
| answersThree.add(i); |
| } |
| Assert.assertEquals(answersThree, processResult(resultSet)); |
| stmt.executeQuery("DELETE FROM " + TABLE_NAME); |
| } |
| |
| @BeforeClass |
| public static void setup() throws Exception |
| { |
| valueCounter = new IntegerUniqueValueCountAppender(); |
| Class.forName(INMEM_DB_DRIVER).newInstance(); |
| Connection con = DriverManager.getConnection(INMEM_DB_URL, new Properties()); |
| Statement stmt = con.createStatement(); |
| stmt.execute("CREATE TABLE IF NOT EXISTS " + TABLE_NAME + " (col1 INTEGER, col2 INTEGER, col3 BIGINT)"); |
| com.datatorrent.api.Attribute.AttributeMap.DefaultAttributeMap attributes = new com.datatorrent.api.Attribute.AttributeMap.DefaultAttributeMap(); |
| attributes.put(DAG.APPLICATION_ID, APP_ID); |
| attributes.put(DAG.APPLICATION_PATH, applicationPath); |
| attributes.put(OperatorContext.ACTIVATION_WINDOW_ID, 0L); |
| valueCounter.setTableName(TABLE_NAME); |
| valueCounter.getStore().setDatabaseDriver(INMEM_DB_DRIVER); |
| valueCounter.getStore().setDatabaseUrl(INMEM_DB_URL); |
| OperatorContext context = mockOperatorContext(OPERATOR_ID, attributes); |
| valueCounter.setup(context); |
| } |
| } |