/*
* Copyright (c) 2017, 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.window.external;
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 LenghtWindowTestCase {
private static final Logger log = Logger.getLogger(LenghtWindowTestCase.class);
private int inEventCount;
private int removeEventCount;
private int count;
private boolean eventArrived;
@Before
public void init() {
count = 0;
inEventCount = 0;
removeEventCount = 0;
eventArrived = false;
}
@Test
public void testLengthWindow0() throws InterruptedException {
log.info("Testing length window definition");
SiddhiManager siddhiManager = new SiddhiManager();
String window = "define window EventWindow1(symbol string, price int, volume float) length(5) output all " +
"events; " +
"define window EventWindow2(symbol string, price int, volume float) length(5);";
ExecutionPlanRuntime executionPlanRuntime = siddhiManager.createExecutionPlanRuntime(window);
executionPlanRuntime.shutdown();
}
@Test
public void testLengthWindow1() throws InterruptedException {
log.info("Testing length window with no of events smaller than window size");
SiddhiManager siddhiManager = new SiddhiManager();
String cseEventStream = "define stream cseEventStream (symbol string, price float, volume int); " +
"define window cseWindow (symbol string, price float, volume int) length(4) output all events; ";
String query = "@info(name = 'query1') from cseEventStream select symbol,price,volume insert into cseWindow ;" +
"@info(name = 'query2') from cseWindow insert into outputStream ;";
ExecutionPlanRuntime executionPlanRuntime = siddhiManager.createExecutionPlanRuntime(cseEventStream + query);
executionPlanRuntime.addCallback("query2", new QueryCallback() {
@Override
public void receive(long timeStamp, Event[] inEvents, Event[] removeEvents) {
EventPrinter.print(timeStamp, inEvents, removeEvents);
Assert.assertEquals("Message order inEventCount", inEventCount, inEvents[0].getData(2));
Assert.assertEquals("Events cannot be expired", false, inEvents[0].isExpired());
inEventCount = inEventCount + inEvents.length;
eventArrived = true;
}
});
InputHandler inputHandler = executionPlanRuntime.getInputHandler("cseEventStream");
executionPlanRuntime.start();
inputHandler.send(new Object[]{"IBM", 700f, 0});
inputHandler.send(new Object[]{"WSO2", 60.5f, 1});
Thread.sleep(500);
Assert.assertEquals(2, inEventCount);
Assert.assertTrue(eventArrived);
executionPlanRuntime.shutdown();
}
@Test
public void testLengthWindow2() throws InterruptedException {
log.info("Testing length window with no of events greater than window size");
final int length = 4;
SiddhiManager siddhiManager = new SiddhiManager();
String cseEventStream = "define stream cseEventStream (symbol string, price float, volume int); " +
"define window cseWindow (symbol string, price float, volume int) length(" + length + ") output all " +
"events; ";
String query = "@info(name = 'query1') from cseEventStream select symbol,price,volume insert into cseWindow ;" +
"@info(name = 'query2') from cseWindow insert all events into outputStream ;";
ExecutionPlanRuntime executionPlanRuntime = siddhiManager.createExecutionPlanRuntime(cseEventStream + query);
executionPlanRuntime.addCallback("outputStream", new StreamCallback() {
@Override
public void receive(Event[] events) {
EventPrinter.print(events);
eventArrived = true;
for (Event event : events) {
if (count >= length && count % 2 == 0) {
removeEventCount++;
Assert.assertEquals("Remove event order", removeEventCount, event.getData(2));
Assert.assertEquals("Expired event triggering position", inEventCount + 1,
length + removeEventCount);
} else {
inEventCount++;
Assert.assertEquals("In event order", inEventCount, event.getData(2));
}
count++;
}
}
});
InputHandler inputHandler = executionPlanRuntime.getInputHandler("cseEventStream");
executionPlanRuntime.start();
inputHandler.send(new Object[]{"IBM", 700f, 1});
inputHandler.send(new Object[]{"WSO2", 60.5f, 2});
inputHandler.send(new Object[]{"IBM", 700f, 3});
inputHandler.send(new Object[]{"WSO2", 60.5f, 4});
inputHandler.send(new Object[]{"IBM", 700f, 5});
inputHandler.send(new Object[]{"WSO2", 60.5f, 6});
Thread.sleep(500);
Assert.assertEquals("In event count", 6, inEventCount);
Assert.assertEquals("Remove event count", 2, removeEventCount);
Assert.assertTrue(eventArrived);
executionPlanRuntime.shutdown();
}
@Test
public void testLengthWindow3() throws InterruptedException {
log.info("Testing length window with no of events greater than window size");
final int length = 4;
SiddhiManager siddhiManager = new SiddhiManager();
String cseEventStream = "define stream cseEventStream (symbol string, price float, volume int); " +
"define window cseWindow (symbol string, price float, volume int) length(" + length + ") output all " +
"events; ";
String query = "@info(name = 'query1') from cseEventStream select symbol,price,volume insert into cseWindow ;" +
"@info(name = 'query2') from cseWindow insert all events into outputStream ;";
ExecutionPlanRuntime executionPlanRuntime = siddhiManager.createExecutionPlanRuntime(cseEventStream + query);
executionPlanRuntime.addCallback("query2", new QueryCallback() {
@Override
public void receive(long timeStamp, Event[] inEvents, Event[] removeEvents) {
EventPrinter.print(timeStamp, inEvents, removeEvents);
if (inEvents != null) {
for (Event event : inEvents) {
if (event.isExpired()) {
removeEventCount++;
} else {
inEventCount++;
}
}
}
if (removeEvents != null) {
for (Event event : removeEvents) {
if (event.isExpired()) {
removeEventCount++;
} else {
inEventCount++;
}
}
}
eventArrived = true;
}
});
InputHandler inputHandler = executionPlanRuntime.getInputHandler("cseEventStream");
executionPlanRuntime.start();
inputHandler.send(new Object[]{"IBM", 700f, 1});
inputHandler.send(new Object[]{"WSO2", 60.5f, 2});
inputHandler.send(new Object[]{"IBM", 700f, 3});
inputHandler.send(new Object[]{"WSO2", 60.5f, 4});
inputHandler.send(new Object[]{"IBM", 700f, 5});
inputHandler.send(new Object[]{"WSO2", 60.5f, 6});
Thread.sleep(500);
Assert.assertEquals("In event count", 6, inEventCount);
Assert.assertEquals("Remove event count", 2, removeEventCount);
Assert.assertTrue(eventArrived);
executionPlanRuntime.shutdown();
}
}