Examples with GroupedComplexEvent org.ballerinalang.siddhi.core.event.GroupedComplexEvent used on opensource projects

Example 6 with GroupedComplexEvent

use of org.ballerinalang.siddhi.core.event.GroupedComplexEvent in project ballerina by ballerina-lang.

the class AllAggregationGroupByWindowedPerSnapshotOutputRateLimiter method process.

@Override
public void process(ComplexEventChunk complexEventChunk) {
    List<ComplexEventChunk<ComplexEvent>> outputEventChunks = new ArrayList<ComplexEventChunk<ComplexEvent>>();
    complexEventChunk.reset();
    synchronized (this) {
        while (complexEventChunk.hasNext()) {
            ComplexEvent event = complexEventChunk.next();
            if (event.getType() == ComplexEvent.Type.TIMER) {
                tryFlushEvents(outputEventChunks, event);
            } else {
                complexEventChunk.remove();
                tryFlushEvents(outputEventChunks, event);
                GroupedComplexEvent groupedComplexEvent = ((GroupedComplexEvent) event);
                LastEventHolder lastEventHolder = groupByKeyEvents.get(groupedComplexEvent.getGroupKey());
                if (lastEventHolder == null) {
                    lastEventHolder = new LastEventHolder();
                    groupByKeyEvents.put(groupedComplexEvent.getGroupKey(), lastEventHolder);
                }
                if (groupedComplexEvent.getType() == ComplexEvent.Type.CURRENT) {
                    lastEventHolder.addLastInEvent(groupedComplexEvent.getComplexEvent());
                } else if (groupedComplexEvent.getType() == ComplexEvent.Type.EXPIRED) {
                    lastEventHolder.removeLastInEvent(groupedComplexEvent.getComplexEvent());
                } else if (groupedComplexEvent.getType() == ComplexEvent.Type.RESET) {
                    groupByKeyEvents.clear();
                }
            }
        }
    }
    for (ComplexEventChunk eventChunk : outputEventChunks) {
        sendToCallBacks(eventChunk);
    }
}

Example 7 with GroupedComplexEvent

use of org.ballerinalang.siddhi.core.event.GroupedComplexEvent in project ballerina by ballerina-lang.

the class GroupByPerSnapshotOutputRateLimiter method process.

/**
 * Sends the collected unique outputs per group by key upon arrival of timer event from scheduler.
 *
 * @param complexEventChunk Incoming {@link org.ballerinalang.siddhi.core.event.ComplexEventChunk}
 */
@Override
public void process(ComplexEventChunk complexEventChunk) {
    List<ComplexEventChunk<ComplexEvent>> outputEventChunks = new ArrayList<ComplexEventChunk<ComplexEvent>>();
    complexEventChunk.reset();
    synchronized (this) {
        complexEventChunk.reset();
        while (complexEventChunk.hasNext()) {
            ComplexEvent event = complexEventChunk.next();
            if (event.getType() == ComplexEvent.Type.TIMER) {
                tryFlushEvents(outputEventChunks, event);
            } else if (event.getType() == ComplexEvent.Type.CURRENT) {
                complexEventChunk.remove();
                tryFlushEvents(outputEventChunks, event);
                GroupedComplexEvent groupedComplexEvent = ((GroupedComplexEvent) event);
                groupByKeyEvents.put(groupedComplexEvent.getGroupKey(), groupedComplexEvent.getComplexEvent());
            }
        }
    }
    for (ComplexEventChunk eventChunk : outputEventChunks) {
        sendToCallBacks(eventChunk);
    }
}

Example 8 with GroupedComplexEvent

use of org.ballerinalang.siddhi.core.event.GroupedComplexEvent in project ballerina by ballerina-lang.

the class WindowedPerSnapshotOutputRateLimiter method process.

@Override
public void process(ComplexEventChunk complexEventChunk) {
    List<ComplexEventChunk<ComplexEvent>> outputEventChunks = new ArrayList<ComplexEventChunk<ComplexEvent>>();
    complexEventChunk.reset();
    synchronized (this) {
        while (complexEventChunk.hasNext()) {
            ComplexEvent event = complexEventChunk.next();
            if (event instanceof GroupedComplexEvent) {
                event = ((GroupedComplexEvent) event).getComplexEvent();
            }
            if (event.getType() == ComplexEvent.Type.TIMER) {
                tryFlushEvents(outputEventChunks, event);
            } else if (event.getType() == ComplexEvent.Type.CURRENT) {
                complexEventChunk.remove();
                tryFlushEvents(outputEventChunks, event);
                eventList.add(event);
            } else if (event.getType() == ComplexEvent.Type.EXPIRED) {
                tryFlushEvents(outputEventChunks, event);
                for (Iterator<ComplexEvent> iterator = eventList.iterator(); iterator.hasNext(); ) {
                    ComplexEvent currentEvent = iterator.next();
                    if (comparator.compare(currentEvent, event) == 0) {
                        iterator.remove();
                        break;
                    }
                }
            } else if (event.getType() == ComplexEvent.Type.RESET) {
                tryFlushEvents(outputEventChunks, event);
                eventList.clear();
            }
        }
    }
    for (ComplexEventChunk eventChunk : outputEventChunks) {
        sendToCallBacks(eventChunk);
    }
}

Example 9 with GroupedComplexEvent

use of org.ballerinalang.siddhi.core.event.GroupedComplexEvent in project ballerina by ballerina-lang.

the class LastGroupByPerTimeOutputRateLimiter method process.

@Override
public void process(ComplexEventChunk complexEventChunk) {
    ArrayList<ComplexEventChunk<ComplexEvent>> outputEventChunks = new ArrayList<ComplexEventChunk<ComplexEvent>>();
    complexEventChunk.reset();
    synchronized (this) {
        while (complexEventChunk.hasNext()) {
            ComplexEvent event = complexEventChunk.next();
            if (event.getType() == ComplexEvent.Type.TIMER) {
                if (event.getTimestamp() >= scheduledTime) {
                    if (allGroupByKeyEvents.size() != 0) {
                        ComplexEventChunk<ComplexEvent> outputEventChunk = new ComplexEventChunk<ComplexEvent>(complexEventChunk.isBatch());
                        for (ComplexEvent complexEvent : allGroupByKeyEvents.values()) {
                            outputEventChunk.add(complexEvent);
                        }
                        outputEventChunks.add(outputEventChunk);
                        allGroupByKeyEvents.clear();
                    }
                    scheduledTime = scheduledTime + value;
                    scheduler.notifyAt(scheduledTime);
                }
            } else if (event.getType() == ComplexEvent.Type.CURRENT || event.getType() == ComplexEvent.Type.EXPIRED) {
                complexEventChunk.remove();
                GroupedComplexEvent groupedComplexEvent = ((GroupedComplexEvent) event);
                allGroupByKeyEvents.put(groupedComplexEvent.getGroupKey(), groupedComplexEvent.getComplexEvent());
            }
        }
    }
    for (ComplexEventChunk eventChunk : outputEventChunks) {
        sendToCallBacks(eventChunk);
    }
}

Example 10 with GroupedComplexEvent

use of org.ballerinalang.siddhi.core.event.GroupedComplexEvent in project ballerina by ballerina-lang.

the class QuerySelector method processInBatchGroupBy.

private ComplexEventChunk processInBatchGroupBy(ComplexEventChunk complexEventChunk) {
    Map<String, ComplexEvent> groupedEvents = new LinkedHashMap<String, ComplexEvent>();
    complexEventChunk.reset();
    synchronized (this) {
        while (complexEventChunk.hasNext()) {
            ComplexEvent event = complexEventChunk.next();
            switch(event.getType()) {
                case CURRENT:
                case EXPIRED:
                    eventPopulator.populateStateEvent(event);
                    String groupByKey = groupByKeyGenerator.constructEventKey(event);
                    GroupByAggregationAttributeExecutor.getKeyThreadLocal().set(groupByKey);
                    for (AttributeProcessor attributeProcessor : attributeProcessorList) {
                        attributeProcessor.process(event);
                    }
                    if (!(havingConditionExecutor != null && !havingConditionExecutor.execute(event))) {
                        if ((event.getType() == StreamEvent.Type.CURRENT && currentOn) || (event.getType() == StreamEvent.Type.EXPIRED && expiredOn)) {
                            complexEventChunk.remove();
                            groupedEvents.put(groupByKey, event);
                        }
                    }
                    GroupByAggregationAttributeExecutor.getKeyThreadLocal().remove();
                    break;
                case TIMER:
                    break;
                case RESET:
                    for (AttributeProcessor attributeProcessor : attributeProcessorList) {
                        attributeProcessor.process(event);
                    }
                    break;
            }
        }
    }
    if (groupedEvents.size() != 0) {
        complexEventChunk.clear();
        for (Map.Entry<String, ComplexEvent> groupedEventEntry : groupedEvents.entrySet()) {
            complexEventChunk.add(new GroupedComplexEvent(groupedEventEntry.getKey(), groupedEventEntry.getValue()));
        }
        if (isOrderBy) {
            orderEventChunk(complexEventChunk);
        }
        if (limit != SiddhiConstants.UNKNOWN_STATE) {
            limitEventChunk(complexEventChunk);
        }
        complexEventChunk.reset();
        return complexEventChunk;
    }
    return null;
}