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

Example 11 with StreamEventPool

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

the class OutputParser method constructOutputCallback.

public static OutputCallback constructOutputCallback(final OutputStream outStream, StreamDefinition outputStreamDefinition, Map<String, Table> tableMap, Map<String, Window> eventWindowMap, SiddhiAppContext siddhiAppContext, boolean convertToStreamEvent, String queryName) {
    String id = outStream.getId();
    Table table = null;
    Window window = null;
    if (id != null) {
        table = tableMap.get(id);
        window = eventWindowMap.get(id);
    }
    StreamEventPool streamEventPool = null;
    StreamEventConverter streamEventConverter = null;
    MetaStreamEvent tableMetaStreamEvent = null;
    if (table != null) {
        tableMetaStreamEvent = new MetaStreamEvent();
        tableMetaStreamEvent.setEventType(MetaStreamEvent.EventType.TABLE);
        TableDefinition matchingTableDefinition = TableDefinition.id("");
        for (Attribute attribute : outputStreamDefinition.getAttributeList()) {
            tableMetaStreamEvent.addOutputData(attribute);
            matchingTableDefinition.attribute(attribute.getName(), attribute.getType());
        }
        matchingTableDefinition.setQueryContextStartIndex(outStream.getQueryContextStartIndex());
        matchingTableDefinition.setQueryContextEndIndex(outStream.getQueryContextEndIndex());
        tableMetaStreamEvent.addInputDefinition(matchingTableDefinition);
        streamEventPool = new StreamEventPool(tableMetaStreamEvent, 10);
        streamEventConverter = new ZeroStreamEventConverter();
    }
    // Construct CallBack
    if (outStream instanceof InsertIntoStream) {
        if (window != null) {
            return new InsertIntoWindowCallback(window, outputStreamDefinition, queryName);
        } else if (table != null) {
            DefinitionParserHelper.validateOutputStream(outputStreamDefinition, table.getTableDefinition());
            return new InsertIntoTableCallback(table, outputStreamDefinition, convertToStreamEvent, streamEventPool, streamEventConverter, queryName);
        } else {
            return new InsertIntoStreamCallback(outputStreamDefinition, queryName);
        }
    } else if (outStream instanceof DeleteStream || outStream instanceof UpdateStream || outStream instanceof UpdateOrInsertStream) {
        if (table != null) {
            if (outStream instanceof UpdateStream) {
                if (((UpdateStream) outStream).getUpdateSet() == null) {
                    TableDefinition tableDefinition = table.getTableDefinition();
                    for (Attribute attribute : outputStreamDefinition.getAttributeList()) {
                        if (!tableDefinition.getAttributeList().contains(attribute)) {
                            throw new SiddhiAppCreationException("Attribute " + attribute + " does not exist on " + "Event Table " + tableDefinition, outStream.getQueryContextStartIndex(), outStream.getQueryContextEndIndex());
                        }
                    }
                }
            }
            if (outStream instanceof UpdateOrInsertStream) {
                TableDefinition tableDefinition = table.getTableDefinition();
                for (Attribute attribute : outputStreamDefinition.getAttributeList()) {
                    if (!tableDefinition.getAttributeList().contains(attribute)) {
                        throw new SiddhiAppCreationException("Attribute " + attribute + " does not exist on " + "Event Table " + tableDefinition, outStream.getQueryContextStartIndex(), outStream.getQueryContextEndIndex());
                    }
                }
            }
            if (outStream instanceof DeleteStream) {
                try {
                    MatchingMetaInfoHolder matchingMetaInfoHolder = MatcherParser.constructMatchingMetaStateHolder(tableMetaStreamEvent, 0, table.getTableDefinition(), 0);
                    CompiledCondition compiledCondition = table.compileCondition((((DeleteStream) outStream).getOnDeleteExpression()), matchingMetaInfoHolder, siddhiAppContext, null, tableMap, queryName);
                    StateEventPool stateEventPool = new StateEventPool(matchingMetaInfoHolder.getMetaStateEvent(), 10);
                    return new DeleteTableCallback(table, compiledCondition, matchingMetaInfoHolder.getMatchingStreamEventIndex(), convertToStreamEvent, stateEventPool, streamEventPool, streamEventConverter, queryName);
                } catch (SiddhiAppValidationException e) {
                    throw new SiddhiAppCreationException("Cannot create delete for table '" + outStream.getId() + "', " + e.getMessageWithOutContext(), e, e.getQueryContextStartIndex(), e.getQueryContextEndIndex(), siddhiAppContext.getName(), siddhiAppContext.getSiddhiAppString());
                }
            } else if (outStream instanceof UpdateStream) {
                try {
                    MatchingMetaInfoHolder matchingMetaInfoHolder = MatcherParser.constructMatchingMetaStateHolder(tableMetaStreamEvent, 0, table.getTableDefinition(), 0);
                    CompiledCondition compiledCondition = table.compileCondition((((UpdateStream) outStream).getOnUpdateExpression()), matchingMetaInfoHolder, siddhiAppContext, null, tableMap, queryName);
                    UpdateSet updateSet = ((UpdateStream) outStream).getUpdateSet();
                    if (updateSet == null) {
                        updateSet = new UpdateSet();
                        for (Attribute attribute : matchingMetaInfoHolder.getMatchingStreamDefinition().getAttributeList()) {
                            updateSet.set(new Variable(attribute.getName()), new Variable(attribute.getName()));
                        }
                    }
                    CompiledUpdateSet compiledUpdateSet = table.compileUpdateSet(updateSet, matchingMetaInfoHolder, siddhiAppContext, null, tableMap, queryName);
                    StateEventPool stateEventPool = new StateEventPool(matchingMetaInfoHolder.getMetaStateEvent(), 10);
                    return new UpdateTableCallback(table, compiledCondition, compiledUpdateSet, matchingMetaInfoHolder.getMatchingStreamEventIndex(), convertToStreamEvent, stateEventPool, streamEventPool, streamEventConverter, queryName);
                } catch (SiddhiAppValidationException e) {
                    throw new SiddhiAppCreationException("Cannot create update for table '" + outStream.getId() + "', " + e.getMessageWithOutContext(), e, e.getQueryContextStartIndex(), e.getQueryContextEndIndex(), siddhiAppContext);
                }
            } else {
                DefinitionParserHelper.validateOutputStream(outputStreamDefinition, table.getTableDefinition());
                try {
                    MatchingMetaInfoHolder matchingMetaInfoHolder = MatcherParser.constructMatchingMetaStateHolder(tableMetaStreamEvent, 0, table.getTableDefinition(), 0);
                    CompiledCondition compiledCondition = table.compileCondition((((UpdateOrInsertStream) outStream).getOnUpdateExpression()), matchingMetaInfoHolder, siddhiAppContext, null, tableMap, queryName);
                    UpdateSet updateSet = ((UpdateOrInsertStream) outStream).getUpdateSet();
                    if (updateSet == null) {
                        updateSet = new UpdateSet();
                        for (Attribute attribute : matchingMetaInfoHolder.getMatchingStreamDefinition().getAttributeList()) {
                            updateSet.set(new Variable(attribute.getName()), new Variable(attribute.getName()));
                        }
                    }
                    CompiledUpdateSet compiledUpdateSet = table.compileUpdateSet(updateSet, matchingMetaInfoHolder, siddhiAppContext, null, tableMap, queryName);
                    StateEventPool stateEventPool = new StateEventPool(matchingMetaInfoHolder.getMetaStateEvent(), 10);
                    return new UpdateOrInsertTableCallback(table, compiledCondition, compiledUpdateSet, matchingMetaInfoHolder.getMatchingStreamEventIndex(), convertToStreamEvent, stateEventPool, streamEventPool, streamEventConverter, queryName);
                } catch (SiddhiAppValidationException e) {
                    throw new SiddhiAppCreationException("Cannot create update or insert into for table '" + outStream.getId() + "', " + e.getMessageWithOutContext(), e, e.getQueryContextStartIndex(), e.getQueryContextEndIndex(), siddhiAppContext);
                }
            }
        } else {
            throw new SiddhiAppCreationException("Event table with id :" + id + " does not exist", outStream.getQueryContextStartIndex(), outStream.getQueryContextEndIndex());
        }
    } else {
        throw new SiddhiAppCreationException(outStream.getClass().getName() + " not supported", outStream.getQueryContextStartIndex(), outStream.getQueryContextEndIndex());
    }
}

Example 12 with StreamEventPool

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

the class Window method init.

/**
 * Initialize the WindowEvent table by creating {@link WindowProcessor} to handle the events.
 *
 * @param tableMap       map of {@link Table}s
 * @param eventWindowMap map of EventWindows
 * @param queryName      name of the query window belongs to.
 */
public void init(Map<String, Table> tableMap, Map<String, Window> eventWindowMap, String queryName) {
    if (this.windowProcessor != null) {
        return;
    }
    // Create and initialize MetaStreamEvent
    MetaStreamEvent metaStreamEvent = new MetaStreamEvent();
    metaStreamEvent.addInputDefinition(windowDefinition);
    metaStreamEvent.setEventType(MetaStreamEvent.EventType.WINDOW);
    metaStreamEvent.initializeAfterWindowData();
    for (Attribute attribute : windowDefinition.getAttributeList()) {
        metaStreamEvent.addOutputData(attribute);
    }
    this.streamEventPool = new StreamEventPool(metaStreamEvent, 5);
    StreamEventCloner streamEventCloner = new StreamEventCloner(metaStreamEvent, this.streamEventPool);
    OutputStream.OutputEventType outputEventType = windowDefinition.getOutputEventType();
    boolean outputExpectsExpiredEvents = outputEventType != OutputStream.OutputEventType.CURRENT_EVENTS;
    WindowProcessor internalWindowProcessor = (WindowProcessor) SingleInputStreamParser.generateProcessor(windowDefinition.getWindow(), metaStreamEvent, new ArrayList<VariableExpressionExecutor>(), this.siddhiAppContext, tableMap, false, outputExpectsExpiredEvents, queryName);
    internalWindowProcessor.setStreamEventCloner(streamEventCloner);
    internalWindowProcessor.constructStreamEventPopulater(metaStreamEvent, 0);
    EntryValveProcessor entryValveProcessor = null;
    if (internalWindowProcessor instanceof SchedulingProcessor) {
        entryValveProcessor = new EntryValveProcessor(this.siddhiAppContext);
        Scheduler scheduler = SchedulerParser.parse(this.siddhiAppContext.getScheduledExecutorService(), entryValveProcessor, this.siddhiAppContext);
        scheduler.init(this.lockWrapper, queryName);
        scheduler.setStreamEventPool(streamEventPool);
        ((SchedulingProcessor) internalWindowProcessor).setScheduler(scheduler);
    }
    if (entryValveProcessor != null) {
        entryValveProcessor.setToLast(internalWindowProcessor);
        this.windowProcessor = entryValveProcessor;
    } else {
        this.windowProcessor = internalWindowProcessor;
    }
    // StreamPublishProcessor must be the last in chain so that it can publish the events to StreamJunction
    this.windowProcessor.setToLast(new StreamPublishProcessor(outputEventType));
    this.internalWindowProcessor = internalWindowProcessor;
}

Example 13 with StreamEventPool

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

the class JunctionTestCase method multiThreadedWithEventPoolTest.

@Test
public void multiThreadedWithEventPoolTest() throws InterruptedException {
    log.info("multi threaded test using event pool");
    final StreamEventPool streamEventPoolA1 = new StreamEventPool(2, 2, 2, 4);
    final StreamEventPool streamEventPoolA2 = new StreamEventPool(2, 2, 2, 4);
    final StreamEventPool streamEventPoolA3 = new StreamEventPool(2, 2, 2, 4);
    final StreamEventPool streamEventPoolB1 = new StreamEventPool(2, 2, 2, 4);
    final StreamEventPool streamEventPoolB2 = new StreamEventPool(2, 2, 2, 4);
    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();
    StreamDefinition streamC = StreamDefinition.id("streamC").attribute("symbol", Attribute.Type.STRING).attribute("price", Attribute.Type.INT).annotation(Annotation.annotation("async"));
    StreamJunction streamJunctionC = new StreamJunction(streamC, executorService, 1024, siddhiAppContext);
    final StreamJunction.Publisher streamPublisherC1 = streamJunctionC.constructPublisher();
    final StreamJunction.Publisher streamPublisherC2 = streamJunctionC.constructPublisher();
    StreamCallback streamCallbackA1 = new StreamCallback() {

        @Override
        public void receive(Event[] streamEvents) {
            for (Event streamEvent : streamEvents) {
                StreamEvent innerStreamEvent = streamEventPoolA1.borrowEvent();
                innerStreamEvent.setTimestamp(streamEvent.getTimestamp());
                Object[] data = new Object[] { streamEvent.getData()[0], streamEvent.getData()[1] };
                data[0] = ((String) data[0]).concat("A1");
                innerStreamEvent.setOutputData(data);
                streamPublisherB1.send(innerStreamEvent);
            }
        }
    };
    StreamCallback streamCallbackA2 = new StreamCallback() {

        @Override
        public void receive(Event[] streamEvents) {
            for (Event streamEvent : streamEvents) {
                StreamEvent innerStreamEvent = streamEventPoolA2.borrowEvent();
                innerStreamEvent.setTimestamp(streamEvent.getTimestamp());
                Object[] data = new Object[] { streamEvent.getData()[0], streamEvent.getData()[1] };
                data[0] = ((String) data[0]).concat("A2");
                innerStreamEvent.setOutputData(data);
                streamPublisherB2.send(innerStreamEvent);
            }
        }
    };
    StreamCallback streamCallbackA3 = new StreamCallback() {

        @Override
        public void receive(Event[] streamEvents) {
            for (Event streamEvent : streamEvents) {
                StreamEvent innerStreamEvent = streamEventPoolA3.borrowEvent();
                innerStreamEvent.setTimestamp(streamEvent.getTimestamp());
                Object[] data = new Object[] { streamEvent.getData()[0], streamEvent.getData()[1] };
                data[0] = ((String) data[0]).concat("A3");
                innerStreamEvent.setOutputData(data);
                streamPublisherB3.send(innerStreamEvent);
            }
        }
    };
    StreamCallback streamCallbackB1 = new StreamCallback() {

        @Override
        public void receive(Event[] streamEvents) {
            for (Event streamEvent : streamEvents) {
                StreamEvent innerStreamEvent = streamEventPoolB1.borrowEvent();
                innerStreamEvent.setTimestamp(streamEvent.getTimestamp());
                Object[] data = new Object[] { streamEvent.getData()[0], streamEvent.getData()[1] };
                data[0] = ((String) data[0]).concat("B1");
                innerStreamEvent.setOutputData(data);
                streamPublisherC1.send(innerStreamEvent);
            }
        }
    };
    StreamCallback streamCallbackB2 = new StreamCallback() {

        @Override
        public void receive(Event[] streamEvents) {
            for (Event streamEvent : streamEvents) {
                StreamEvent innerStreamEvent = streamEventPoolB2.borrowEvent();
                innerStreamEvent.setTimestamp(streamEvent.getTimestamp());
                Object[] data = new Object[] { streamEvent.getData()[0], streamEvent.getData()[1] };
                data[0] = ((String) data[0]).concat("B2");
                innerStreamEvent.setOutputData(data);
                streamPublisherC2.send(innerStreamEvent);
            }
        }
    };
    final boolean[] eventsArrived = { false, false, false, false, false, false, false, false, false, false, false, false };
    StreamCallback streamCallbackC = new StreamCallback() {

        @Override
        public void receive(Event[] streamEvents) {
            for (Event streamEvent : streamEvents) {
                count++;
                eventArrived = true;
                Object symbol = streamEvent.getData()[0];
                if (symbol.equals("IBMA1B1")) {
                    eventsArrived[0] = true;
                } else if (symbol.equals("IBMA1B2")) {
                    eventsArrived[1] = true;
                } else if (symbol.equals("IBMA2B1")) {
                    eventsArrived[2] = true;
                } else if (symbol.equals("IBMA2B2")) {
                    eventsArrived[3] = true;
                } else if (symbol.equals("IBMA3B1")) {
                    eventsArrived[4] = true;
                } else if (symbol.equals("IBMA3B2")) {
                    eventsArrived[5] = true;
                }
                if (symbol.equals("WSO2A1B1")) {
                    eventsArrived[6] = true;
                } else if (symbol.equals("WSO2A1B2")) {
                    eventsArrived[7] = true;
                } else if (symbol.equals("WSO2A2B1")) {
                    eventsArrived[8] = true;
                } else if (symbol.equals("WSO2A2B2")) {
                    eventsArrived[9] = true;
                } else if (symbol.equals("WSO2A3B1")) {
                    eventsArrived[10] = true;
                } else if (symbol.equals("WSO2A3B2")) {
                    eventsArrived[11] = true;
                }
            }
        }
    };
    streamJunctionA.subscribe(streamCallbackA1);
    streamJunctionA.subscribe(streamCallbackA2);
    streamJunctionA.subscribe(streamCallbackA3);
    streamJunctionA.startProcessing();
    streamJunctionB.subscribe(streamCallbackB1);
    streamJunctionB.subscribe(streamCallbackB2);
    streamJunctionB.startProcessing();
    streamJunctionC.subscribe(streamCallbackC);
    streamJunctionC.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(1000);
    AssertJUnit.assertTrue(eventArrived);
    AssertJUnit.assertEquals(12, count);
    for (boolean arrived : eventsArrived) {
        AssertJUnit.assertTrue(arrived);
    }
    streamJunctionA.stopProcessing();
    streamJunctionB.stopProcessing();
    streamJunctionC.stopProcessing();
}

Example 14 with StreamEventPool

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

the class ComplexEventChunkTestCase method eventChunkRemoveTest1.

@Test
public void eventChunkRemoveTest1() {
    StreamEvent streamEvent1 = new StreamEvent(0, 0, 3);
    streamEvent1.setOutputData(new Object[] { "IBM", 700L, 1L });
    StreamEvent streamEvent2 = new StreamEvent(0, 0, 3);
    streamEvent2.setOutputData(new Object[] { "WSO2", 700L, 2L });
    StreamEvent streamEvent3 = new StreamEvent(0, 0, 3);
    streamEvent3.setOutputData(new Object[] { "WSO2", 700L, 3L });
    streamEvent1.setNext(streamEvent2);
    streamEvent2.setNext(streamEvent3);
    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 == 1) {
            streamEventChunk.remove();
        }
    }
    AssertJUnit.assertEquals(streamEvent2, streamEventChunk.getFirst());
}

Example 15 with StreamEventPool

use of org.wso2.siddhi.core.event.stream.StreamEventPool 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());
}