io.siddhi.core.event.stream

Class StreamEventPool

java.lang.Object

io.siddhi.core.event.stream.StreamEventPool

All Implemented Interfaces:

Serializable

public class StreamEventPool
extends Object
implements Serializable

Event pool containing StreamEvent for reuse This is not a thread safe implementation

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
StreamEventPool(int beforeWindowDataSize, int onAfterWindowDataSize, int outputDataSize, int poolSize)
StreamEventPool(MetaStreamEvent metaStreamEvent, int size)

Method Summary

Modifier and Type	Method and Description
StreamEvent	borrowEvent() Borrowing an StreamEvent
int	getBufferedEventsSize()
int	getSize()
void	returnEvents(StreamEvent streamEvent) Collects the used InnerStreamEvents If the pool has space the returned event will be added to the pool else it will be dropped

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

StreamEventPool

public StreamEventPool(MetaStreamEvent metaStreamEvent,
                       int size)

StreamEventPool

public StreamEventPool(int beforeWindowDataSize,
                       int onAfterWindowDataSize,
                       int outputDataSize,
                       int poolSize)

Method Detail

borrowEvent

public StreamEvent borrowEvent()

Borrowing an StreamEvent

Returns:

if StreamEvent exist in the pool an existing event if not a new StreamEvent will be returned

returnEvents

public void returnEvents(StreamEvent streamEvent)

Collects the used InnerStreamEvents If the pool has space the returned event will be added to the pool else it will be dropped

Parameters:

streamEvent - used event

getBufferedEventsSize

public int getBufferedEventsSize()

Returns:

Occupied buffer size

getSize

public int getSize()