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

Example 26 with StreamEventFactory

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

the class CacheTable method initCacheTable.

public void initCacheTable(TableDefinition cacheTableDefinition, ConfigReader configReader, SiddhiAppContext siddhiAppContext, RecordTableHandler recordTableHandler, boolean cacheExpiryEnabled, int maxSize, String cachePolicy) {
    this.maxSize = maxSize;
    this.cacheExpiryEnabled = cacheExpiryEnabled;
    this.siddhiAppContext = siddhiAppContext;
    addRequiredFieldsToCacheTableDefinition(cacheTableDefinition, cacheExpiryEnabled);
    // initialize cache table
    MetaStreamEvent cacheTableMetaStreamEvent = new MetaStreamEvent();
    cacheTableMetaStreamEvent.addInputDefinition(cacheTableDefinition);
    for (Attribute attribute : cacheTableDefinition.getAttributeList()) {
        cacheTableMetaStreamEvent.addOutputData(attribute);
    }
    StreamEventFactory cacheTableStreamEventFactory = new StreamEventFactory(cacheTableMetaStreamEvent);
    StreamEventCloner cacheTableStreamEventCloner = new StreamEventCloner(cacheTableMetaStreamEvent, cacheTableStreamEventFactory);
    super.initTable(cacheTableDefinition, cacheTableStreamEventFactory, cacheTableStreamEventCloner, configReader, siddhiAppContext, recordTableHandler);
}

Example 27 with StreamEventFactory

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

the class LastGroupByPerTimeOutputRateLimiter method init.

@Override
protected StateFactory<RateLimiterState> init() {
    this.scheduler = SchedulerParser.parse(this, siddhiQueryContext);
    this.scheduler.setStreamEventFactory(new StreamEventFactory(0, 0, 0));
    this.scheduler.init(lockWrapper, siddhiQueryContext.getName());
    return () -> new RateLimiterState();
}

Example 28 with StreamEventFactory

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

the class AllAggregationPerSnapshotOutputRateLimiter method init.

@Override
protected StateFactory<RateLimiterState> init() {
    this.scheduler = SchedulerParser.parse(this, siddhiQueryContext);
    this.scheduler.setStreamEventFactory(new StreamEventFactory(0, 0, 0));
    this.scheduler.init(lockWrapper, siddhiQueryContext.getName());
    return () -> new RateLimiterState();
}

Example 29 with StreamEventFactory

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

the class PerSnapshotOutputRateLimiter method init.

@Override
protected StateFactory<RateLimiterState> init() {
    this.scheduler = SchedulerParser.parse(this, siddhiQueryContext);
    this.scheduler.setStreamEventFactory(new StreamEventFactory(0, 0, 0));
    this.scheduler.init(lockWrapper, siddhiQueryContext.getName());
    return () -> new RateLimiterState();
}

Example 30 with StreamEventFactory

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

the class SnapshotableEventQueueTestCase method incrementalPersistenceTest4.

@Test
public void incrementalPersistenceTest4() throws InterruptedException, IOException, ClassNotFoundException {
    MetaStreamEvent metaStreamEvent = new MetaStreamEvent();
    metaStreamEvent.addOutputData(new Attribute("symbol", Attribute.Type.STRING));
    metaStreamEvent.addOutputData(new Attribute("price", Attribute.Type.FLOAT));
    metaStreamEvent.addOutputData(new Attribute("volume", Attribute.Type.LONG));
    StreamEventCloner streamEventCloner = new StreamEventCloner(metaStreamEvent, new StreamEventFactory(metaStreamEvent));
    SnapshotableStreamEventQueue snapshotableStreamEventQueue = new SnapshotableStreamEventQueue(new StreamEventClonerHolder(streamEventCloner));
    StreamEvent streamEvent = new StreamEvent(metaStreamEvent.getBeforeWindowData().size(), metaStreamEvent.getOnAfterWindowData().size(), metaStreamEvent.getOutputData().size());
    streamEvent.setOutputData(new Object[] { "IBM", 500.6f, 1 });
    for (int i = 0; i < 10; i++) {
        streamEvent.getOutputData()[2] = i;
        snapshotableStreamEventQueue.add(streamEventCloner.copyStreamEvent(streamEvent));
    }
    HashMap<Long, String> snapshots = new HashMap<>();
    Snapshot snapshot1 = snapshotableStreamEventQueue.getSnapshot();
    StreamEvent streamEvents = (StreamEvent) snapshot1.getState();
    Assert.assertTrue(streamEvents != null);
    snapshots.put(3L, toString(snapshot1));
    snapshotableStreamEventQueue.poll();
    snapshotableStreamEventQueue.poll();
    snapshotableStreamEventQueue.next();
    snapshotableStreamEventQueue.next();
    snapshotableStreamEventQueue.next();
    for (int i = 7; i < 10; i++) {
        snapshotableStreamEventQueue.poll();
    }
    Snapshot snapshot2 = snapshotableStreamEventQueue.getSnapshot();
    ArrayList<Operation> operationLog = (ArrayList<Operation>) snapshot2.getState();
    Assert.assertTrue(operationLog != null);
    snapshots.put(4L, toString(snapshot2));
    for (int i = 10; i < 15; i++) {
        streamEvent.getOutputData()[2] = i;
        snapshotableStreamEventQueue.add(streamEventCloner.copyStreamEvent(streamEvent));
    }
    Snapshot snapshot3 = snapshotableStreamEventQueue.getSnapshot();
    operationLog = (ArrayList<Operation>) snapshot3.getState();
    Assert.assertTrue(operationLog != null);
    snapshots.put(5L, toString(snapshot3));
    SnapshotableStreamEventQueue snapshotableStreamEventQueue2 = new SnapshotableStreamEventQueue(new StreamEventClonerHolder(streamEventCloner));
    SnapshotStateList snapshotStateList = new SnapshotStateList();
    for (Map.Entry<Long, String> entry : snapshots.entrySet()) {
        snapshotStateList.putSnapshotState(entry.getKey(), (Snapshot) fromString(entry.getValue()));
    }
    snapshotableStreamEventQueue2.restore(snapshotStateList);
    Assert.assertEquals(snapshotableStreamEventQueue, snapshotableStreamEventQueue2);
}