com.espertech.esper.dataflow.util

Class DefaultSupportCaptureOp<T>

java.lang.Object

com.espertech.esper.dataflow.util.DefaultSupportCaptureOp<T>

All Implemented Interfaces:

EPDataFlowSignalHandler, java.util.concurrent.Future<java.lang.Object[]>

public class DefaultSupportCaptureOp<T>
extends java.lang.Object
implements EPDataFlowSignalHandler, java.util.concurrent.Future<java.lang.Object[]>

Constructor Summary

Constructors

Constructor and Description
DefaultSupportCaptureOp()
DefaultSupportCaptureOp(int latchedNumRows)

Method Summary

Modifier and Type	Method and Description
boolean	cancel(boolean mayInterruptIfRunning)
java.lang.Object[]	get()
java.lang.Object[]	get(long timeout, java.util.concurrent.TimeUnit unit)
java.util.List<java.util.List<T>>	getAndReset()
java.lang.Object[]	getCurrent()
java.lang.Object[]	getCurrentAndReset()
java.lang.Object[]	getPunctuated()
boolean	isCancelled()
boolean	isDone()
void	onInput(T event)
void	onSignal(EPDataFlowSignal signal)
void	waitForInvocation(long msecWait, int numberOfNewEvents) Wait for the listener invocation for up to the given number of milliseconds.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultSupportCaptureOp

public DefaultSupportCaptureOp()

DefaultSupportCaptureOp

public DefaultSupportCaptureOp(int latchedNumRows)

Method Detail

onInput

public void onInput(T event)

onSignal

public void onSignal(EPDataFlowSignal signal)

Specified by:

onSignal in interface EPDataFlowSignalHandler

getAndReset

public java.util.List<java.util.List<T>> getAndReset()

getCurrent

public java.lang.Object[] getCurrent()

getCurrentAndReset

public java.lang.Object[] getCurrentAndReset()

cancel

public boolean cancel(boolean mayInterruptIfRunning)

Specified by:

cancel in interface java.util.concurrent.Future<java.lang.Object[]>

isCancelled

public boolean isCancelled()

Specified by:

isCancelled in interface java.util.concurrent.Future<java.lang.Object[]>

isDone

public boolean isDone()

Specified by:

isDone in interface java.util.concurrent.Future<java.lang.Object[]>

get

public java.lang.Object[] get()
                       throws java.lang.InterruptedException,
                              java.util.concurrent.ExecutionException

Specified by:

get in interface java.util.concurrent.Future<java.lang.Object[]>

Throws:

java.lang.InterruptedException

java.util.concurrent.ExecutionException

get

public java.lang.Object[] get(long timeout,
                              java.util.concurrent.TimeUnit unit)
                       throws java.lang.InterruptedException,
                              java.util.concurrent.ExecutionException,
                              java.util.concurrent.TimeoutException

Specified by:

get in interface java.util.concurrent.Future<java.lang.Object[]>

Throws:

java.lang.InterruptedException

java.util.concurrent.ExecutionException

java.util.concurrent.TimeoutException

getPunctuated

public java.lang.Object[] getPunctuated()
                                 throws java.lang.InterruptedException,
                                        java.util.concurrent.ExecutionException,
                                        java.util.concurrent.TimeoutException

Throws:

java.lang.InterruptedException

java.util.concurrent.ExecutionException

java.util.concurrent.TimeoutException

waitForInvocation

public void waitForInvocation(long msecWait,
                              int numberOfNewEvents)

Wait for the listener invocation for up to the given number of milliseconds.

Parameters:

msecWait - to wait

numberOfNewEvents - in any number of separate invocations required before returning

Throws:

java.lang.RuntimeException - when no results or insufficient number of events were received