Package com.espertech.esper.runtime.internal.kernel.updatedispatch

Class UpdateDispatchFutureWait

java.lang.Object

com.espertech.esper.runtime.internal.kernel.updatedispatch.UpdateDispatchFutureWait

All Implemented Interfaces:

com.espertech.esper.common.internal.statement.dispatch.Dispatchable

public class UpdateDispatchFutureWait
extends Object
implements com.espertech.esper.common.internal.statement.dispatch.Dispatchable

UpdateDispatchFutureWait can be added to a dispatch queue that is thread-local. It represents is a stand-in for a future dispatching of a statement result to statement listeners.

UpdateDispatchFutureWait is aware of future and past dispatches: (newest) DF3 <--> DF2 <--> DF1 (oldest)

Constructor Summary

Constructors

Constructor	Description
UpdateDispatchFutureWait()	Ctor - use for the first future to indicate completion.
UpdateDispatchFutureWait(UpdateDispatchViewBlockingWait view, UpdateDispatchFutureWait earlier, long msecTimeout)	Ctor.

Method Summary

Modifier and Type	Method	Description
void	cancelled()
void	execute()
com.espertech.esper.common.internal.statement.dispatch.UpdateDispatchView	getView()
boolean	isCompleted()	Returns true if the dispatch completed for this future.
void	setLater(UpdateDispatchFutureWait later)	Hand a later future to the dispatch 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

UpdateDispatchFutureWait

public UpdateDispatchFutureWait(UpdateDispatchViewBlockingWait view,
 UpdateDispatchFutureWait earlier,
 long msecTimeout)

Ctor.

Parameters:

view - is the blocking dispatch view through which to execute a dispatch

earlier - is the older future

msecTimeout - is the timeout period to wait for listeners to complete a prior dispatch

UpdateDispatchFutureWait

public UpdateDispatchFutureWait()

Ctor - use for the first future to indicate completion.

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(UpdateDispatchFutureWait later)

Hand a later future to the dispatch to use for indicating completion via notify.

Parameters:

later - is the later dispatch

execute

public void execute()

Specified by:

execute in interface com.espertech.esper.common.internal.statement.dispatch.Dispatchable

getView

public com.espertech.esper.common.internal.statement.dispatch.UpdateDispatchView getView()

Specified by:

getView in interface com.espertech.esper.common.internal.statement.dispatch.Dispatchable

cancelled

public void cancelled()

Specified by:

cancelled in interface com.espertech.esper.common.internal.statement.dispatch.Dispatchable