Package com.espertech.esper.common.internal.statement.insertintolatch

Class InsertIntoLatchWait

java.lang.Object

com.espertech.esper.common.internal.statement.insertintolatch.InsertIntoLatchWait

All Implemented Interfaces:

InsertIntoLatch

public class InsertIntoLatchWait
extends Object
implements InsertIntoLatch

A suspend-and-notify implementation of a latch for use in guaranteeing delivery between a single event produced by a single statement and consumable by another statement.

Constructor Summary

Constructors

Constructor	Description
InsertIntoLatchWait(InsertIntoLatchFactory factory)	Ctor - use for the first and unused latch to indicate completion.
InsertIntoLatchWait(InsertIntoLatchFactory factory, InsertIntoLatchWait earlier, long msecTimeout, EventBean payload)	Ctor.

Method Summary

Modifier and Type	Method	Description
EventBean	await()	Blcking call that returns only when the earlier latch completed.
void	done()	Called to indicate that the latch completed and a later latch can start.
EventBean	getEvent()
InsertIntoLatchFactory	getFactory()
boolean	isCompleted()	Returns true if the dispatch completed for this future.
void	setEvent(EventBean event)
void	setLater(InsertIntoLatchWait later)	Hand a later latch to use for indicating completion via notify.

Methods inherited from class java.lang.Object

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

Constructor Details

InsertIntoLatchWait

public InsertIntoLatchWait(InsertIntoLatchFactory factory,
 InsertIntoLatchWait earlier,
 long msecTimeout,
 EventBean payload)

Ctor.

Parameters:

earlier - the latch before this latch that this latch should be waiting for

msecTimeout - the timeout after which delivery occurs

payload - the payload is an event to deliver

factory - the factory originating the latch

InsertIntoLatchWait

public InsertIntoLatchWait(InsertIntoLatchFactory factory)

Ctor - use for the first and unused latch to indicate completion.

Parameters:

factory - the latch factory

Method Details

isCompleted

public boolean isCompleted()

Returns true if the dispatch completed for this future.

Returns:

true for completed, false if not

setLater

public void setLater(InsertIntoLatchWait later)

Hand a later latch to use for indicating completion via notify.

Parameters:

later - is the later latch

await

public EventBean await()

Blcking call that returns only when the earlier latch completed.

Returns:

payload of the latch

done

public void done()

Called to indicate that the latch completed and a later latch can start.

getFactory

public InsertIntoLatchFactory getFactory()

Specified by:

getFactory in interface InsertIntoLatch

setEvent

public void setEvent(EventBean event)

Specified by:

setEvent in interface InsertIntoLatch

getEvent

public EventBean getEvent()

Specified by:

getEvent in interface InsertIntoLatch