Examples with MetaStreamEvent io.siddhi.core.event.stream.MetaStreamEvent used on opensource projects

Example 61 with MetaStreamEvent

use of io.siddhi.core.event.stream.MetaStreamEvent in project siddhi by wso2.

the class EventTestCase method testUpdateMetaEvent.

@Test
public void testUpdateMetaEvent() {
    StreamDefinition streamDefinition = StreamDefinition.id("cseEventStream").attribute("symbol", Attribute.Type.STRING).attribute("price", Attribute.Type.FLOAT).attribute("volume", Attribute.Type.INT);
    Attribute price = new Attribute("price", Attribute.Type.FLOAT);
    Attribute volume = new Attribute("volume", Attribute.Type.INT);
    Attribute symbol = new Attribute("symbol", Attribute.Type.STRING);
    MetaStreamEvent metaStreamEvent = new MetaStreamEvent();
    metaStreamEvent.addData(volume);
    metaStreamEvent.addData(price);
    metaStreamEvent.addData(symbol);
    metaStreamEvent.initializeOnAfterWindowData();
    metaStreamEvent.addData(price);
    metaStreamEvent.addOutputData(symbol);
    metaStreamEvent.addOutputData(null);
    MetaStateEvent metaStateEvent = new MetaStateEvent(1);
    metaStateEvent.addEvent(metaStreamEvent);
    VariableExpressionExecutor priceVariableExpressionExecutor = new VariableExpressionExecutor(new Attribute("price", Attribute.Type.FLOAT), 0, 0);
    VariableExpressionExecutor volumeVariableExpressionExecutor = new VariableExpressionExecutor(new Attribute("volume", Attribute.Type.INT), 0, 0);
    VariableExpressionExecutor symbolVariableExpressionExecutor = new VariableExpressionExecutor(new Attribute("symbol", Attribute.Type.STRING), 0, 0);
    QueryParserHelper.reduceMetaComplexEvent(metaStateEvent);
    QueryParserHelper.updateVariablePosition(metaStateEvent, Arrays.asList(priceVariableExpressionExecutor, volumeVariableExpressionExecutor, symbolVariableExpressionExecutor));
    AssertJUnit.assertEquals(1, metaStreamEvent.getBeforeWindowData().size());
    AssertJUnit.assertEquals(1, metaStreamEvent.getOnAfterWindowData().size());
    AssertJUnit.assertEquals(2, metaStreamEvent.getOutputData().size());
    AssertJUnit.assertArrayEquals(new int[] { 0, 0, 1, 0 }, priceVariableExpressionExecutor.getPosition());
    AssertJUnit.assertArrayEquals(new int[] { 0, 0, 0, 0 }, volumeVariableExpressionExecutor.getPosition());
    AssertJUnit.assertArrayEquals(new int[] { 0, 0, 2, 0 }, symbolVariableExpressionExecutor.getPosition());
}

Example 62 with MetaStreamEvent

use of io.siddhi.core.event.stream.MetaStreamEvent in project siddhi by wso2.

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);
    StreamEventFactory eventPool = new StreamEventFactory(metaStreamEvent);
    StreamEvent newEvent = eventPool.newInstance();
    converter.convertEvent(event, newEvent);
    AssertJUnit.assertTrue(converter instanceof ZeroStreamEventConverter);
    AssertJUnit.assertEquals(3, newEvent.getOutputData().length);
    AssertJUnit.assertEquals("WSO2", newEvent.getOutputData()[0]);
    AssertJUnit.assertEquals(200.0, newEvent.getOutputData()[1]);
    AssertJUnit.assertEquals(50, newEvent.getOutputData()[2]);
}

Example 63 with MetaStreamEvent

use of io.siddhi.core.event.stream.MetaStreamEvent 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);
    StreamEventFactory eventPool = new StreamEventFactory(metaStreamEvent);
    StreamEvent newEvent = eventPool.newInstance();
    converter.convertEvent(event, newEvent);
    AssertJUnit.assertTrue(converter instanceof SimpleStreamEventConverter);
    AssertJUnit.assertNull(newEvent.getBeforeWindowData());
    AssertJUnit.assertNull(newEvent.getOnAfterWindowData());
    AssertJUnit.assertEquals(2, newEvent.getOutputData().length);
    AssertJUnit.assertEquals(200, newEvent.getOutputData()[1]);
    AssertJUnit.assertEquals("WSO2", newEvent.getOutputData()[0]);
}