Examples with ComplexEventChunk io.siddhi.core.event.ComplexEventChunk used on opensource projects

Example 76 with ComplexEventChunk

use of io.siddhi.core.event.ComplexEventChunk in project siddhi by wso2.

the class CacheExpirer method generateDeleteEventChunk.

private ComplexEventChunk<StateEvent> generateDeleteEventChunk() {
    ComplexEventChunk<StateEvent> deleteEventChunk = new ComplexEventChunk<>();
    StateEvent stateEvent = new StateEvent(2, 0);
    StreamEvent deletingEvent = streamEventFactory.newInstance();
    deletingEvent.setOutputData(new Object[] { siddhiAppContext.getTimestampGenerator().currentTime() });
    stateEvent.addEvent(0, deletingEvent);
    deleteEventChunk.add(stateEvent);
    return deleteEventChunk;
}

Example 77 with ComplexEventChunk

use of io.siddhi.core.event.ComplexEventChunk in project siddhi by wso2.

the class IncrementalDataAggregator method getProcessedEventChunk.

private synchronized ComplexEventChunk<StreamEvent> getProcessedEventChunk() {
    ComplexEventChunk<StreamEvent> streamEventChunk = new ComplexEventChunk<>();
    Map<String, State> valueStoreMap = this.valueStateHolder.getAllGroupByStates();
    try {
        for (State aState : valueStoreMap.values()) {
            ValueState state = (ValueState) aState;
            StreamEvent streamEvent = streamEventFactory.newInstance();
            long timestamp = state.lastTimestamp;
            streamEvent.setTimestamp(timestamp);
            state.setValue(timestamp, 0);
            streamEvent.setOutputData(state.values);
            streamEventChunk.add(streamEvent);
        }
    } finally {
        this.valueStateHolder.returnGroupByStates(valueStoreMap);
    }
    return streamEventChunk;
}

Example 78 with ComplexEventChunk

use of io.siddhi.core.event.ComplexEventChunk in project siddhi by wso2.

the class IncrementalExecutor method sendTimerEvent.

private void sendTimerEvent(ExecutorState executorState) {
    if (getNextExecutor() != null) {
        StreamEvent timerEvent = streamEventFactory.newInstance();
        timerEvent.setType(ComplexEvent.Type.TIMER);
        timerEvent.setTimestamp(executorState.startTimeOfAggregates);
        ComplexEventChunk<StreamEvent> timerStreamEventChunk = new ComplexEventChunk<>();
        timerStreamEventChunk.add(timerEvent);
        next.execute(timerStreamEventChunk);
    }
}

Example 79 with ComplexEventChunk

use of io.siddhi.core.event.ComplexEventChunk in project siddhi by wso2.

the class IncrementalExecutor method dispatchEvent.

private void dispatchEvent(long startTimeOfNewAggregates, BaseIncrementalValueStore aBaseIncrementalValueStore) {
    AtomicBoolean isProcessFinished = new AtomicBoolean(false);
    if (aBaseIncrementalValueStore.isProcessed()) {
        Map<String, StreamEvent> streamEventMap = aBaseIncrementalValueStore.getGroupedByEvents();
        ComplexEventChunk<StreamEvent> eventChunk = new ComplexEventChunk<>();
        for (StreamEvent event : streamEventMap.values()) {
            eventChunk.add(event);
        }
        Map<String, StreamEvent> tableStreamEventMap = aBaseIncrementalValueStore.getGroupedByEvents();
        ComplexEventChunk<StreamEvent> tableEventChunk = new ComplexEventChunk<>();
        for (StreamEvent event : tableStreamEventMap.values()) {
            tableEventChunk.add(event);
        }
        if (LOG.isDebugEnabled()) {
            LOG.debug("Event dispatched by aggregation " + aggregatorName + " for duration " + this.duration);
        }
        if (isProcessingExecutor) {
            executorService.execute(() -> {
                try {
                    table.addEvents(tableEventChunk, streamEventMap.size());
                } catch (Throwable t) {
                    LOG.error("Exception occurred at siddhi app '" + this.siddhiAppName + "' when performing table writes of aggregation '" + this.aggregatorName + "' for duration '" + this.duration + "'. This should be investigated as this " + "can cause accuracy loss.", t);
                    if (LOG.isDebugEnabled()) {
                        LOG.debug("Dropping Event chunk - \"" + eventChunk.toString() + "\"");
                    }
                } finally {
                    isProcessFinished.set(true);
                }
            });
        }
        if (waitUntillprocessFinish) {
            try {
                while (!isProcessFinished.get()) {
                    Thread.sleep(1000);
                }
            } catch (InterruptedException e) {
                LOG.error("Error occurred while waiting until table update task finishes for duration " + duration + "in aggregation " + aggregatorName, e);
            }
        }
        if (getNextExecutor() != null) {
            next.execute(eventChunk);
        }
    }
    cleanBaseIncrementalValueStore(startTimeOfNewAggregates, aBaseIncrementalValueStore);
}

Example 80 with ComplexEventChunk

use of io.siddhi.core.event.ComplexEventChunk in project siddhi by wso2.

the class OutOfOrderEventsDataAggregator method createEventChunkFromAggregatedData.

private synchronized ComplexEventChunk<StreamEvent> createEventChunkFromAggregatedData() {
    ComplexEventChunk<StreamEvent> streamEventChunk = new ComplexEventChunk<>();
    Map<String, State> valueStoreMap = this.valueStateHolder.getAllGroupByStates();
    try {
        for (State aState : valueStoreMap.values()) {
            ValueState state = (ValueState) aState;
            StreamEvent streamEvent = streamEventFactory.newInstance();
            long timestamp = state.lastTimestamp;
            streamEvent.setTimestamp(timestamp);
            state.setValue(timestamp, 0);
            streamEvent.setOutputData(state.values);
            streamEventChunk.add(streamEvent);
        }
    } finally {
        this.valueStateHolder.returnGroupByStates(valueStoreMap);
    }
    return streamEventChunk;
}