Examples with StreamCallback org.ballerinalang.siddhi.core.stream.output.StreamCallback used on opensource projects

Example 6 with StreamCallback

use of org.ballerinalang.siddhi.core.stream.output.StreamCallback in project ballerina by ballerina-lang.

the class CustomJoinWindowTestCase method testMultipleStreamsFromWindow.

@Test
public void testMultipleStreamsFromWindow() throws InterruptedException {
    log.info("Test joining a single window by multiple streams");
    SiddhiManager siddhiManager = new SiddhiManager();
    String streams = "" + "define stream StockInputStream (symbol string, price float, volume long); " + "define stream SummaryOfCompanyTriggerStream (symbol string); " + "define stream VolumeGreaterThanTriggerStream (volume long); " + "define window StockWindow (symbol string, price float, volume long) lengthBatch(10); ";
    String query = "" + "@info(name = 'query0') " + "from StockInputStream " + "insert into StockWindow; " + "@info(name = 'query1') " + "from StockWindow join SummaryOfCompanyTriggerStream#window.length(1) " + "on StockWindow.symbol == SummaryOfCompanyTriggerStream.symbol " + "select StockWindow.symbol, sum(StockWindow.price) as totalPrice, sum(StockWindow.volume) as volumes " + "insert into SummaryOfCompanyOutputStream; " + "" + "@info(name = 'query2') " + "from StockWindow join VolumeGreaterThanTriggerStream#window.length(1) " + "on StockWindow.volume > VolumeGreaterThanTriggerStream.volume " + "select StockWindow.symbol, StockWindow.price, StockWindow.volume as volume " + "insert into VolumeGreaterThanOutputStream; ";
    SiddhiAppRuntime siddhiAppRuntime = siddhiManager.createSiddhiAppRuntime(streams + query);
    siddhiAppRuntime.addCallback("SummaryOfCompanyOutputStream", new StreamCallback() {

        @Override
        public void receive(Event[] events) {
            EventPrinter.print(events);
            Object[] data = events[0].getData();
            if ("WSO2".equals(data[0])) {
                assertArrayEquals(new Object[] { "WSO2", 430.0, 57L }, data);
            } else if ("IBM".equals(data[0])) {
                assertArrayEquals(new Object[] { "IBM", 222.0, 16L }, data);
            }
        }
    });
    siddhiAppRuntime.addCallback("VolumeGreaterThanOutputStream", new StreamCallback() {

        @Override
        public void receive(Event[] events) {
            EventPrinter.print(events);
            assertEquals("Error in number of events with volume > 6", 6, events.length);
        }
    });
    siddhiAppRuntime.start();
    InputHandler stockInputStreamInputHandler = siddhiAppRuntime.getInputHandler("StockInputStream");
    InputHandler summaryOfCompanyTriggerStreamInputHandler = siddhiAppRuntime.getInputHandler("SummaryOfCompanyTriggerStream");
    InputHandler volumeGreaterThanTriggerStreamInputHandler = siddhiAppRuntime.getInputHandler("VolumeGreaterThanTriggerStream");
    // 10 inputs
    stockInputStreamInputHandler.send(new Object[] { "WSO2", 84.0f, 20L });
    stockInputStreamInputHandler.send(new Object[] { "IBM", 90.0f, 1L });
    stockInputStreamInputHandler.send(new Object[] { "WSO2", 55.0f, 5L });
    stockInputStreamInputHandler.send(new Object[] { "WSO2", 77.0f, 10L });
    stockInputStreamInputHandler.send(new Object[] { "IBM", 46.0f, 5L });
    stockInputStreamInputHandler.send(new Object[] { "WSO2", 36.0f, 2L });
    stockInputStreamInputHandler.send(new Object[] { "WSO2", 56.0f, 6L });
    stockInputStreamInputHandler.send(new Object[] { "IBM", 86.0f, 10L });
    stockInputStreamInputHandler.send(new Object[] { "WSO2", 26.0f, 6L });
    stockInputStreamInputHandler.send(new Object[] { "WSO2", 96.0f, 8L });
    // out of 10
    stockInputStreamInputHandler.send(new Object[] { "WSO2", 56.0f, 10L });
    stockInputStreamInputHandler.send(new Object[] { "IBM", 36.0f, 15L });
    Thread.sleep(100);
    summaryOfCompanyTriggerStreamInputHandler.send(new Object[] { "WSO2" });
    summaryOfCompanyTriggerStreamInputHandler.send(new Object[] { "IBM" });
    volumeGreaterThanTriggerStreamInputHandler.send(new Object[] { 5L });
    Thread.sleep(500);
    siddhiAppRuntime.shutdown();
}

Example 7 with StreamCallback

use of org.ballerinalang.siddhi.core.stream.output.StreamCallback in project ballerina by ballerina-lang.

the class CustomJoinWindowTestCase method testUnidirectionalJoin.

@Test
public void testUnidirectionalJoin() throws InterruptedException {
    log.info("Test unidirectional join with two windows");
    SiddhiManager siddhiManager = new SiddhiManager();
    String streams = "" + "define stream cseEventStream (symbol string, price float, volume int); " + "define stream twitterStream (user string, tweet string, company string); " + "define window cseEventWindow (symbol string, price float, volume int) lengthBatch(2); " + "define window twitterWindow (user string, tweet string, company string) lengthBatch(2); ";
    String query = "" + "@info(name = 'query0') " + "from cseEventStream " + "insert into cseEventWindow; " + "" + "@info(name = 'query1') " + "from twitterStream " + "insert into twitterWindow; " + "" + "@info(name = 'query2') " + "from cseEventWindow unidirectional join twitterWindow " + "on cseEventWindow.symbol == twitterWindow.company " + "select cseEventWindow.symbol as symbol, twitterWindow.tweet, cseEventWindow.price " + "insert into outputStream ;";
    SiddhiAppRuntime siddhiAppRuntime = siddhiManager.createSiddhiAppRuntime(streams + query);
    try {
        siddhiAppRuntime.addCallback("cseEventWindow", new StreamCallback() {

            @Override
            public void receive(Event[] events) {
                System.out.print("cseEventWindow: ");
                EventPrinter.print(events);
            }
        });
        siddhiAppRuntime.addCallback("twitterWindow", new StreamCallback() {

            @Override
            public void receive(Event[] events) {
                System.out.print("twitterWindow: ");
                EventPrinter.print(events);
            }
        });
        siddhiAppRuntime.addCallback("query2", new QueryCallback() {

            @Override
            public void receive(long timestamp, Event[] inEvents, Event[] removeEvents) {
                EventPrinter.print(timestamp, inEvents, removeEvents);
                if (inEvents != null) {
                    inEventCount += (inEvents.length);
                }
                if (removeEvents != null) {
                    removeEventCount += (removeEvents.length);
                }
                eventArrived = true;
            }
        });
        InputHandler cseEventStreamHandler = siddhiAppRuntime.getInputHandler("cseEventStream");
        InputHandler twitterStreamHandler = siddhiAppRuntime.getInputHandler("twitterStream");
        siddhiAppRuntime.start();
        cseEventStreamHandler.send(new Object[] { "WSO2", 55.6f, 100 });
        cseEventStreamHandler.send(new Object[] { "IBM", 59.6f, 100 });
        twitterStreamHandler.send(new Object[] { "User1", "Hello World", "WSO2" });
        twitterStreamHandler.send(new Object[] { "User2", "Hello World2", "WSO2" });
        cseEventStreamHandler.send(new Object[] { "IBM", 75.6f, 100 });
        Thread.sleep(500);
        cseEventStreamHandler.send(new Object[] { "WSO2", 57.6f, 100 });
        Thread.sleep(1000);
        AssertJUnit.assertEquals(2, inEventCount);
        AssertJUnit.assertEquals(0, removeEventCount);
        AssertJUnit.assertTrue(eventArrived);
    } finally {
        siddhiAppRuntime.shutdown();
    }
}

Example 8 with StreamCallback

use of org.ballerinalang.siddhi.core.stream.output.StreamCallback in project ballerina by ballerina-lang.

the class CustomJoinWindowTestCase method testGroupByUseCase.

@Test
public void testGroupByUseCase() throws InterruptedException {
    log.info("Test joining a single window by multiple streams");
    SiddhiManager siddhiManager = new SiddhiManager();
    String streams = "" + "define stream SensorStream (name string, value float, roomNo int, deviceID string); " + "define window SensorWindow (name string, value float, roomNo int, deviceID string) timeBatch(1 " + "second); ";
    String query = "" + "@info(name = 'query0') " + "from SensorStream " + "insert into SensorWindow; " + "@info(name = 'query1') " + "from SensorWindow  " + "select name, max(value) as maxValue, roomNo " + "group by name, roomNo " + "insert into MaxSensorReadingPerRoomStream; " + "@info(name = 'query2') " + "from SensorWindow  " + "select name, max(value) as maxValue " + "group by name " + "insert into OverallMaxSensorReadingStream; " + "@info(name = 'query3') " + "from SensorWindow  " + "select name, avg(value) as avgValue " + "group by name " + "insert into OverallAverageSensorReadingStream; ";
    SiddhiAppRuntime siddhiAppRuntime = siddhiManager.createSiddhiAppRuntime(streams + query);
    siddhiAppRuntime.addCallback("MaxSensorReadingPerRoomStream", new StreamCallback() {

        @Override
        public void receive(Event[] events) {
            System.out.print("MaxSensorReadingPerRoomStream: ");
            EventPrinter.print(events);
        }
    });
    siddhiAppRuntime.addCallback("OverallMaxSensorReadingStream", new StreamCallback() {

        @Override
        public void receive(Event[] events) {
            System.out.print("OverallMaxSensorReadingStream: ");
            EventPrinter.print(events);
        }
    });
    siddhiAppRuntime.addCallback("OverallAverageSensorReadingStream", new StreamCallback() {

        @Override
        public void receive(Event[] events) {
            System.out.print("OverallAverageSensorReadingStream: ");
            EventPrinter.print(events);
        }
    });
    siddhiAppRuntime.start();
    InputHandler sensorStreamInputHandler = siddhiAppRuntime.getInputHandler("SensorStream");
    sensorStreamInputHandler.send(new Object[] { "Temperature", 23.0f, 1, "T001A" });
    sensorStreamInputHandler.send(new Object[] { "Pressure", 20.0f, 1, "P001" });
    sensorStreamInputHandler.send(new Object[] { "Temperature", 25.0f, 2, "T002" });
    sensorStreamInputHandler.send(new Object[] { "Temperature", 24.0f, 3, "T003" });
    sensorStreamInputHandler.send(new Object[] { "Pressure", 45.0f, 3, "P003" });
    sensorStreamInputHandler.send(new Object[] { "Temperature", 23.5f, 1, "T001B" });
    sensorStreamInputHandler.send(new Object[] { "Humidity", 15.0f, 2, "H002" });
    sensorStreamInputHandler.send(new Object[] { "Humidity", 10.0f, 3, "H003" });
    Thread.sleep(1000);
    Thread.sleep(500);
    siddhiAppRuntime.shutdown();
}

Example 9 with StreamCallback

use of org.ballerinalang.siddhi.core.stream.output.StreamCallback in project ballerina by ballerina-lang.

the class ExternalTimeBatchWindowTestCase method testExternalTimeBatchWindow9.

@Test
public void testExternalTimeBatchWindow9() throws InterruptedException {
    log.info("ExternalTimeBatchWindow test9");
    SiddhiManager siddhiManager = new SiddhiManager();
    String cseEventStream = "" + "define stream LoginEvents (timestamp long, ip string); " + "define window LoginWindow (timestamp long, ip string) externalTimeBatch(timestamp, 1 sec, 0, 2 sec); ";
    String query = "" + "@info(name = 'query0') " + "from LoginEvents " + "insert into LoginWindow; " + "" + "@info(name = 'query1') " + "from LoginWindow " + "select timestamp, ip, count() as total  " + "group by ip " + "insert into uniqueIps ;";
    SiddhiAppRuntime siddhiAppRuntime = siddhiManager.createSiddhiAppRuntime(cseEventStream + query);
    siddhiAppRuntime.addCallback("uniqueIps", new StreamCallback() {

        @Override
        public synchronized void receive(Event[] events) {
            if (events != null) {
                inEventCount = inEventCount + events.length;
                for (Event event : events) {
                    sum = sum + (Long) event.getData(2);
                }
            }
            eventArrived = true;
        }
    });
    final InputHandler inputHandler = siddhiAppRuntime.getInputHandler("LoginEvents");
    siddhiAppRuntime.start();
    Runnable runnable = new Runnable() {

        @Override
        public void run() {
            int i = 0;
            long time = 1366335804341L;
            while (i < 10000) {
                try {
                    inputHandler.send(new Object[] { time, "192.10.1." + Thread.currentThread().getId() });
                } catch (InterruptedException e) {
                    log.error(e.getMessage(), e);
                }
                time += 1000;
                i++;
            }
        }
    };
    new Thread(runnable).start();
    new Thread(runnable).start();
    new Thread(runnable).start();
    new Thread(runnable).start();
    new Thread(runnable).start();
    new Thread(runnable).start();
    new Thread(runnable).start();
    new Thread(runnable).start();
    new Thread(runnable).start();
    new Thread(runnable).start();
    Thread.sleep(10000);
    assertEquals(10 * 10000, sum);
    siddhiAppRuntime.shutdown();
}

Example 10 with StreamCallback

use of org.ballerinalang.siddhi.core.stream.output.StreamCallback in project ballerina by ballerina-lang.

the class LenghtBatchWindowTestCase method testLengthBatchWindow5.

@Test
public void testLengthBatchWindow5() throws InterruptedException {
    final int length = 2;
    SiddhiManager siddhiManager = new SiddhiManager();
    String cseEventStream = "define stream cseEventStream (symbol string, price float, volume int); " + "define window cseWindow (symbol string, price float, volume int) lengthBatch(" + length + ") output " + "expired events; ";
    String query = "@info(name = 'query1') from cseEventStream select symbol,price,volume insert into cseWindow ;" + "@info(name = 'query2') from cseWindow " + "select symbol,price,volume " + "insert expired events into outputStream ;";
    SiddhiAppRuntime siddhiAppRuntime = siddhiManager.createSiddhiAppRuntime(cseEventStream + query);
    siddhiAppRuntime.addCallback("outputStream", new StreamCallback() {

        @Override
        public void receive(Event[] events) {
            EventPrinter.print(events);
            for (Event event : events) {
                count++;
                AssertJUnit.assertEquals("Remove event order", count, event.getData(2));
            }
            eventArrived = true;
        }
    });
    InputHandler inputHandler = siddhiAppRuntime.getInputHandler("cseEventStream");
    siddhiAppRuntime.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);
    AssertJUnit.assertEquals("Remove event count", 4, count);
    AssertJUnit.assertTrue(eventArrived);
    siddhiAppRuntime.shutdown();
}