/*
* Copyright (c) 2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. 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.wso2.siddhi.core.query.table;
import org.apache.log4j.Logger;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.wso2.siddhi.core.ExecutionPlanRuntime;
import org.wso2.siddhi.core.SiddhiManager;
import org.wso2.siddhi.core.event.Event;
import org.wso2.siddhi.core.query.output.callback.QueryCallback;
import org.wso2.siddhi.core.stream.input.InputHandler;
import org.wso2.siddhi.core.stream.output.StreamCallback;
import org.wso2.siddhi.core.util.EventPrinter;
public class DeleteFromTableTestCase {
private static final Logger log = Logger.getLogger(DeleteFromTableTestCase.class);
private int inEventCount;
private int removeEventCount;
private boolean eventArrived;
@Before
public void init() {
inEventCount = 0;
removeEventCount = 0;
eventArrived = false;
}
@Test
public void deleteFromTableTest1() throws InterruptedException {
log.info("deleteFromTableTest1");
SiddhiManager siddhiManager = new SiddhiManager();
String streams = "" +
"define stream StockStream (symbol string, price float, volume long); " +
"define stream DeleteStockStream (symbol string, price float, volume long); " +
"define table StockTable (symbol string, price float, volume long); ";
String query = "" +
"@info(name = 'query1') " +
"from StockStream " +
"insert into StockTable ;" +
"" +
"@info(name = 'query2') " +
"from DeleteStockStream " +
"delete StockTable " +
" on symbol=='IBM' ;";
ExecutionPlanRuntime executionPlanRuntime = siddhiManager.createExecutionPlanRuntime(streams + query);
InputHandler stockStream = executionPlanRuntime.getInputHandler("StockStream");
InputHandler deleteStockStream = executionPlanRuntime.getInputHandler("DeleteStockStream");
executionPlanRuntime.start();
stockStream.send(new Object[]{"WSO2", 55.6f, 100L});
stockStream.send(new Object[]{"IBM", 75.6f, 100L});
stockStream.send(new Object[]{"WSO2", 57.6f, 100L});
deleteStockStream.send(new Object[]{"WSO2", 57.6f, 100L});
Thread.sleep(500);
executionPlanRuntime.shutdown();
}
@Test
public void deleteFromTableTest2() throws InterruptedException {
log.info("deleteFromTableTest2");
SiddhiManager siddhiManager = new SiddhiManager();
String streams = "" +
"define stream StockStream (symbol string, price float, volume long); " +
"define stream DeleteStockStream (symbol string, price float, volume long); " +
"define table StockTable (symbol string, price float, volume long); ";
String query = "" +
"@info(name = 'query1') " +
"from StockStream " +
"insert into StockTable ;" +
"" +
"@info(name = 'query2') " +
"from DeleteStockStream " +
"delete StockTable " +
" on StockTable.symbol=='IBM' ;";
ExecutionPlanRuntime executionPlanRuntime = siddhiManager.createExecutionPlanRuntime(streams + query);
InputHandler stockStream = executionPlanRuntime.getInputHandler("StockStream");
InputHandler deleteStockStream = executionPlanRuntime.getInputHandler("DeleteStockStream");
executionPlanRuntime.start();
stockStream.send(new Object[]{"WSO2", 55.6f, 100L});
stockStream.send(new Object[]{"IBM", 75.6f, 100L});
stockStream.send(new Object[]{"WSO2", 57.6f, 100L});
deleteStockStream.send(new Object[]{"WSO2", 57.6f, 100L});
Thread.sleep(500);
executionPlanRuntime.shutdown();
}
@Test
public void deleteFromTableTest3() throws InterruptedException {
log.info("deleteFromTableTest3");
SiddhiManager siddhiManager = new SiddhiManager();
String streams = "" +
"define stream StockStream (symbol string, price float, volume long); " +
"define stream DeleteStockStream (symbol string, price float, volume long); " +
"define table StockTable (symbol string, price float, volume long); ";
String query = "" +
"@info(name = 'query1') " +
"from StockStream " +
"insert into StockTable ;" +
"" +
"@info(name = 'query2') " +
"from DeleteStockStream " +
"delete StockTable " +
" on symbol=='IBM' ;";
ExecutionPlanRuntime executionPlanRuntime = siddhiManager.createExecutionPlanRuntime(streams + query);
InputHandler stockStream = executionPlanRuntime.getInputHandler("StockStream");
InputHandler deleteStockStream = executionPlanRuntime.getInputHandler("DeleteStockStream");
executionPlanRuntime.start();
stockStream.send(new Object[]{"WSO2", 55.6f, 100L});
stockStream.send(new Object[]{"IBM", 75.6f, 100L});
stockStream.send(new Object[]{"WSO2", 57.6f, 100L});
deleteStockStream.send(new Object[]{"IBM", 57.6f, 100L});
Thread.sleep(500);
executionPlanRuntime.shutdown();
}
@Test
public void deleteFromTableTest4() throws InterruptedException {
log.info("deleteFromTableTest4");
SiddhiManager siddhiManager = new SiddhiManager();
String streams = "" +
"define stream StockStream (symbol string, price float, volume long); " +
"define stream CheckStockStream (symbol string); " +
"define stream DeleteStockStream (symbol string, price float, volume long); " +
"define table StockTable (symbol string, price float, volume long); ";
String query = "" +
"@info(name = 'query1') " +
"from StockStream " +
"insert into StockTable ;" +
"" +
"@info(name = 'query2') " +
"from DeleteStockStream " +
"delete StockTable " +
" on StockTable.symbol=='IBM';" +
"" +
"@info(name = 'query3') " +
"from CheckStockStream[symbol==StockTable.symbol in StockTable] " +
"insert into OutStream;";
ExecutionPlanRuntime executionPlanRuntime = siddhiManager.createExecutionPlanRuntime(streams + query);
executionPlanRuntime.addCallback("query3", new QueryCallback() {
@Override
public void receive(long timeStamp, Event[] inEvents, Event[] removeEvents) {
EventPrinter.print(timeStamp, inEvents, removeEvents);
if (inEvents != null) {
for (Event event : inEvents) {
inEventCount++;
switch (inEventCount) {
case 1:
Assert.assertArrayEquals(new Object[]{"IBM"}, event.getData());
break;
case 2:
Assert.assertArrayEquals(new Object[]{"WSO2"}, event.getData());
break;
case 3:
Assert.assertArrayEquals(new Object[]{"WSO2"}, event.getData());
break;
default:
Assert.assertSame(3, inEventCount);
}
}
eventArrived = true;
}
if (removeEvents != null) {
removeEventCount = removeEventCount + removeEvents.length;
}
eventArrived = true;
}
});
InputHandler stockStream = executionPlanRuntime.getInputHandler("StockStream");
InputHandler checkStockStream = executionPlanRuntime.getInputHandler("CheckStockStream");
InputHandler deleteStockStream = executionPlanRuntime.getInputHandler("DeleteStockStream");
executionPlanRuntime.start();
stockStream.send(new Object[]{"WSO2", 55.6f, 100L});
stockStream.send(new Object[]{"IBM", 55.6f, 100L});
checkStockStream.send(new Object[]{"IBM"});
checkStockStream.send(new Object[]{"WSO2"});
deleteStockStream.send(new Object[]{"IBM", 57.6f, 100L});
checkStockStream.send(new Object[]{"IBM"});
checkStockStream.send(new Object[]{"WSO2"});
Thread.sleep(500);
Assert.assertEquals("Number of success events", 3, inEventCount);
Assert.assertEquals("Number of remove events", 0, removeEventCount);
Assert.assertEquals("Event arrived", true, eventArrived);
executionPlanRuntime.shutdown();
}
@Test
public void deleteFromTableTest5() throws InterruptedException {
log.info("deleteFromTableTest3");
SiddhiManager siddhiManager = new SiddhiManager();
String streams = "" +
"define stream StockStream (symbol string, price float, vol long); " +
"define stream DeleteStockStream (symbol string, price float, vol long); " +
"define stream CountStockStream (symbol string); " +
"define table StockTable (symbol string, price float, volume long); ";
String query = "" +
"@info(name = 'query1') " +
"from StockStream " +
"select symbol, price, vol as volume " +
"insert into StockTable ;" +
"" +
"@info(name = 'query2') " +
"from DeleteStockStream[vol>=100] " +
"delete StockTable " +
" on StockTable.symbol==symbol ;" +
"" +
"@info(name = 'query3') " +
"from CountStockStream#window.length(0) join StockTable" +
" on CountStockStream.symbol==StockTable.symbol " +
"select CountStockStream.symbol as symbol " +
"insert into CountResultsStream ;";
ExecutionPlanRuntime executionPlanRuntime = siddhiManager.createExecutionPlanRuntime(streams + query);
InputHandler stockStream = executionPlanRuntime.getInputHandler("StockStream");
InputHandler deleteStockStream = executionPlanRuntime.getInputHandler("DeleteStockStream");
InputHandler countStockStream = executionPlanRuntime.getInputHandler("CountStockStream");
executionPlanRuntime.addCallback("CountResultsStream", new StreamCallback() {
@Override
public void receive(Event[] events) {
EventPrinter.print(events);
inEventCount += events.length;
}
});
executionPlanRuntime.start();
stockStream.send(new Object[]{"WSO2", 55.6f, 100L});
stockStream.send(new Object[]{"IBM", 75.6f, 100L});
stockStream.send(new Object[]{"WSO2", 57.6f, 100L});
deleteStockStream.send(new Object[]{"IBM", 57.6f, 100L});
countStockStream.send(new Object[]{"WSO2"});
Thread.sleep(500);
Assert.assertEquals(2, inEventCount);
executionPlanRuntime.shutdown();
}
}