Examples with StreamEvent org.wso2.siddhi.core.event.stream.StreamEvent used on opensource projects

Example 56 with StreamEvent

use of org.wso2.siddhi.core.event.stream.StreamEvent in project siddhi by wso2.

the class ComplexEventChunkTestCase method eventChunkRemoveTest4.

@Test
public void eventChunkRemoveTest4() {
    StreamEvent streamEvent1 = new StreamEvent(0, 0, 3);
    streamEvent1.setOutputData(new Object[] { "IBM", 700L, 100L });
    StreamEvent streamEvent2 = new StreamEvent(0, 0, 3);
    streamEvent2.setOutputData(new Object[] { "WSO2", 700L, 100L });
    StreamEvent streamEvent3 = new StreamEvent(0, 0, 3);
    streamEvent3.setOutputData(new Object[] { "WSO2", 700L, 100L });
    StreamEvent streamEvent4 = new StreamEvent(0, 0, 3);
    streamEvent4.setOutputData(new Object[] { "WSO2", 700L, 100L });
    streamEvent1.setNext(streamEvent2);
    streamEvent2.setNext(streamEvent3);
    streamEvent3.setNext(streamEvent4);
    StreamEventPool streamEventPool = new StreamEventPool(0, 0, 3, 5);
    ConversionStreamEventChunk streamEventChunk = new ConversionStreamEventChunk(streamEventConverter, streamEventPool);
    streamEventChunk.convertAndAssign(streamEvent1);
    while (streamEventChunk.hasNext()) {
        count++;
        streamEventChunk.next();
        if (count == 2 || count == 4) {
            streamEventChunk.remove();
        }
    }
    StreamEvent streamEvent = streamEventChunk.getFirst();
    AssertJUnit.assertEquals(streamEvent1, streamEvent);
    AssertJUnit.assertEquals(streamEvent3, streamEvent.getNext());
    AssertJUnit.assertNull(streamEvent.getNext().getNext());
}

Example 57 with StreamEvent

use of org.wso2.siddhi.core.event.stream.StreamEvent in project siddhi by wso2.

the class EventTestCase method testConditionExpressionExecutors.

@Test
public void testConditionExpressionExecutors() {
    // StreamDefinition streamDefinition = StreamDefinition.id("cseEventStream").attribute("symbol", Attribute
    // .Type.STRING).attribute("price", Attribute.Type.FLOAT).attribute("volume", Attribute.Type.INT);
    VariableExpressionExecutor priceVariableExpressionExecutor = new VariableExpressionExecutor(new Attribute("price", Attribute.Type.FLOAT), 0, 0);
    priceVariableExpressionExecutor.setPosition(new int[] { 0, SiddhiConstants.UNKNOWN_STATE, SiddhiConstants.OUTPUT_DATA_INDEX, 1 });
    VariableExpressionExecutor volumeVariableExpressionExecutor = new VariableExpressionExecutor(new Attribute("volume", Attribute.Type.INT), 0, 0);
    volumeVariableExpressionExecutor.setPosition(new int[] { 0, SiddhiConstants.UNKNOWN_STATE, SiddhiConstants.OUTPUT_DATA_INDEX, 2 });
    ExpressionExecutor compareLessThanExecutor = new LessThanCompareConditionExpressionExecutorFloatFloat(new ConstantExpressionExecutor(10f, Attribute.Type.FLOAT), priceVariableExpressionExecutor);
    ExpressionExecutor compareGreaterThanExecutor = new GreaterThanCompareConditionExpressionExecutorIntInt(new ConstantExpressionExecutor(10, Attribute.Type.INT), volumeVariableExpressionExecutor);
    ExpressionExecutor andExecutor = new AndConditionExpressionExecutor(compareLessThanExecutor, compareGreaterThanExecutor);
    int count = 0;
    for (int i = 0; i < 3; i++) {
        StreamEvent event = new StreamEvent(0, 0, 3);
        event.setOutputData(new Object[] { "WSO2", i * 11f, 5 });
        if ((Boolean) andExecutor.execute(event)) {
            count++;
        }
    }
    AssertJUnit.assertEquals("Two events should pass through executor", 2, count);
}

Example 58 with StreamEvent

use of org.wso2.siddhi.core.event.stream.StreamEvent in project siddhi by wso2.

the class EventTestCase method testSimpleStreamEventConverter.

@Test
public void testSimpleStreamEventConverter() {
    Attribute price = new Attribute("price", Attribute.Type.DOUBLE);
    Attribute symbol = new Attribute("symbol", Attribute.Type.STRING);
    MetaStreamEvent metaStreamEvent = new MetaStreamEvent();
    metaStreamEvent.addOutputData(symbol);
    metaStreamEvent.addOutputData(price);
    StreamDefinition streamDefinition = StreamDefinition.id("cseEventStream").attribute("symbol", Attribute.Type.STRING).attribute("price", Attribute.Type.DOUBLE).attribute("volume", Attribute.Type.INT);
    Event event = new Event(System.currentTimeMillis(), new Object[] { "WSO2", 200, 50 });
    metaStreamEvent.addInputDefinition(streamDefinition);
    StreamEventConverter converter = StreamEventConverterFactory.constructEventConverter(metaStreamEvent);
    StreamEventPool eventPool = new StreamEventPool(metaStreamEvent, 5);
    StreamEvent borrowedEvent = eventPool.borrowEvent();
    converter.convertEvent(event, borrowedEvent);
    AssertJUnit.assertTrue(converter instanceof SimpleStreamEventConverter);
    AssertJUnit.assertNull(borrowedEvent.getBeforeWindowData());
    AssertJUnit.assertNull(borrowedEvent.getOnAfterWindowData());
    AssertJUnit.assertEquals(2, borrowedEvent.getOutputData().length);
    AssertJUnit.assertEquals(200, borrowedEvent.getOutputData()[1]);
    AssertJUnit.assertEquals("WSO2", borrowedEvent.getOutputData()[0]);
}

Example 59 with StreamEvent

use of org.wso2.siddhi.core.event.stream.StreamEvent in project carbon-apimgt by wso2.

the class EmitOnStateChange method process.

@Override
protected void process(ComplexEventChunk<StreamEvent> streamEventChunk, Processor nextProcessor, StreamEventCloner streamEventCloner, ComplexEventPopulater complexEventPopulater) {
    while (streamEventChunk.hasNext()) {
        StreamEvent event = streamEventChunk.next();
        Boolean currentThrottleState = (Boolean) isThrottledExpressionExecutor.execute(event);
        String key = (String) keyExpressionExecutor.execute(event);
        Boolean lastThrottleState = throttleStateMap.get(key);
        if (lastThrottleState == currentThrottleState && !currentThrottleState) {
            streamEventChunk.remove();
        } else {
            throttleStateMap.put(key, currentThrottleState);
        }
    }
    nextProcessor.process(streamEventChunk);
}

Example 60 with StreamEvent

use of org.wso2.siddhi.core.event.stream.StreamEvent in project siddhi by wso2.

the class JunctionTestCase method multiThreadedTest1.

@Test
public void multiThreadedTest1() throws InterruptedException {
    log.info("multi threaded 1");
    StreamDefinition streamA = StreamDefinition.id("streamA").attribute("symbol", Attribute.Type.STRING).attribute("price", Attribute.Type.INT).annotation(Annotation.annotation("async"));
    StreamJunction streamJunctionA = new StreamJunction(streamA, executorService, 1024, siddhiAppContext);
    StreamJunction.Publisher streamPublisherA = streamJunctionA.constructPublisher();
    StreamDefinition streamB = StreamDefinition.id("streamB").attribute("symbol", Attribute.Type.STRING).attribute("price", Attribute.Type.INT).annotation(Annotation.annotation("async"));
    StreamJunction streamJunctionB = new StreamJunction(streamB, executorService, 1024, siddhiAppContext);
    final StreamJunction.Publisher streamPublisherB1 = streamJunctionB.constructPublisher();
    final StreamJunction.Publisher streamPublisherB2 = streamJunctionB.constructPublisher();
    final StreamJunction.Publisher streamPublisherB3 = streamJunctionB.constructPublisher();
    StreamCallback streamCallbackA1 = new StreamCallback() {

        @Override
        public void receive(Event[] streamEvents) {
            for (Event streamEvent : streamEvents) {
                StreamEvent innerStreamEvent = new StreamEvent(2, 2, 2);
                innerStreamEvent.setTimestamp(streamEvent.getTimestamp());
                innerStreamEvent.setOutputData(streamEvent.getData());
                streamPublisherB1.send(innerStreamEvent);
            }
        }
    };
    StreamCallback streamCallbackA2 = new StreamCallback() {

        @Override
        public void receive(Event[] streamEvents) {
            for (Event streamEvent : streamEvents) {
                StreamEvent innerStreamEvent = new StreamEvent(2, 2, 2);
                innerStreamEvent.setTimestamp(streamEvent.getTimestamp());
                innerStreamEvent.setOutputData(streamEvent.getData());
                streamPublisherB2.send(innerStreamEvent);
            }
        }
    };
    StreamCallback streamCallbackA3 = new StreamCallback() {

        @Override
        public void receive(Event[] streamEvents) {
            for (Event streamEvent : streamEvents) {
                StreamEvent innerStreamEvent = new StreamEvent(2, 2, 2);
                innerStreamEvent.setTimestamp(streamEvent.getTimestamp());
                innerStreamEvent.setOutputData(streamEvent.getData());
                streamPublisherB3.send(innerStreamEvent);
            }
        }
    };
    StreamCallback streamCallbackB = new StreamCallback() {

        @Override
        public void receive(Event[] streamEvents) {
            for (Event streamEvent : streamEvents) {
                count++;
                eventArrived = true;
                AssertJUnit.assertTrue(streamEvent.getData()[0].equals("IBM") || (streamEvent.getData()[0].equals("WSO2")));
            }
        }
    };
    streamJunctionA.subscribe(streamCallbackA1);
    streamJunctionA.subscribe(streamCallbackA2);
    streamJunctionA.subscribe(streamCallbackA3);
    streamJunctionA.startProcessing();
    streamJunctionB.subscribe(streamCallbackB);
    streamJunctionB.startProcessing();
    StreamEvent streamEvent1 = new StreamEvent(2, 2, 2);
    streamEvent1.setTimestamp(System.currentTimeMillis());
    streamEvent1.setOutputData(new Object[] { "IBM", 12 });
    StreamEvent streamEvent2 = new StreamEvent(2, 2, 2);
    streamEvent2.setTimestamp(System.currentTimeMillis());
    streamEvent2.setOutputData(new Object[] { "WSO2", 112 });
    streamPublisherA.send(streamEvent1);
    streamPublisherA.send(streamEvent2);
    Thread.sleep(100);
    AssertJUnit.assertTrue(eventArrived);
    AssertJUnit.assertEquals(6, count);
    streamJunctionA.stopProcessing();
    streamJunctionB.stopProcessing();
}