Examples with StreamEventConverter org.ballerinalang.siddhi.core.event.stream.converter.StreamEventConverter used on opensource projects

Example 6 with StreamEventConverter

use of org.ballerinalang.siddhi.core.event.stream.converter.StreamEventConverter in project ballerina by ballerina-lang.

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 7 with StreamEventConverter

use of org.ballerinalang.siddhi.core.event.stream.converter.StreamEventConverter in project ballerina by ballerina-lang.

the class EventTestCase method testPassThroughStreamEventConverter.

@Test
public void testPassThroughStreamEventConverter() {
    Attribute symbol = new Attribute("symbol", Attribute.Type.STRING);
    Attribute price = new Attribute("price", Attribute.Type.DOUBLE);
    Attribute volume = new Attribute("volume", Attribute.Type.INT);
    MetaStreamEvent metaStreamEvent = new MetaStreamEvent();
    metaStreamEvent.addOutputDataAllowingDuplicate(symbol);
    metaStreamEvent.addOutputDataAllowingDuplicate(price);
    metaStreamEvent.addOutputDataAllowingDuplicate(volume);
    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", 200.0, 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 ZeroStreamEventConverter);
    AssertJUnit.assertEquals(3, borrowedEvent.getOutputData().length);
    AssertJUnit.assertEquals("WSO2", borrowedEvent.getOutputData()[0]);
    AssertJUnit.assertEquals(200.0, borrowedEvent.getOutputData()[1]);
    AssertJUnit.assertEquals(50, borrowedEvent.getOutputData()[2]);
}

Example 8 with StreamEventConverter

use of org.ballerinalang.siddhi.core.event.stream.converter.StreamEventConverter in project ballerina by ballerina-lang.

the class MultiProcessStreamReceiver method receive.

@Override
public void receive(Event[] events) {
    for (Event event : events) {
        synchronized (this) {
            stabilizeStates();
            for (int anEventSequence : eventSequence) {
                StreamEventConverter aStreamEventConverter = streamEventConverters[anEventSequence];
                StreamEventPool aStreamEventPool = streamEventPools[anEventSequence];
                StreamEvent borrowedEvent = aStreamEventPool.borrowEvent();
                aStreamEventConverter.convertEvent(event, borrowedEvent);
                process(anEventSequence, borrowedEvent);
            }
        }
    }
}

Example 9 with StreamEventConverter

use of org.ballerinalang.siddhi.core.event.stream.converter.StreamEventConverter in project ballerina by ballerina-lang.

the class MultiProcessStreamReceiver method receive.

@Override
public void receive(Event event, boolean endOfBatch) {
    eventBuffer.add(event);
    if (endOfBatch) {
        for (Event aEvent : eventBuffer) {
            synchronized (this) {
                stabilizeStates();
                for (int anEventSequence : eventSequence) {
                    StreamEventConverter aStreamEventConverter = streamEventConverters[anEventSequence];
                    StreamEventPool aStreamEventPool = streamEventPools[anEventSequence];
                    StreamEvent borrowedEvent = aStreamEventPool.borrowEvent();
                    aStreamEventConverter.convertEvent(aEvent, borrowedEvent);
                    process(anEventSequence, borrowedEvent);
                }
            }
        }
        eventBuffer.clear();
    }
}

Example 10 with StreamEventConverter

use of org.ballerinalang.siddhi.core.event.stream.converter.StreamEventConverter in project ballerina by ballerina-lang.

the class MultiProcessStreamReceiver method receive.

@Override
public void receive(long timestamp, Object[] data) {
    synchronized (this) {
        stabilizeStates();
        for (int anEventSequence : eventSequence) {
            StreamEventConverter aStreamEventConverter = streamEventConverters[anEventSequence];
            StreamEventPool aStreamEventPool = streamEventPools[anEventSequence];
            StreamEvent borrowedEvent = aStreamEventPool.borrowEvent();
            aStreamEventConverter.convertData(timestamp, data, borrowedEvent);
            process(anEventSequence, borrowedEvent);
        }
    }
}