public class InputGateWithMetrics extends InputGate
InputGate
provided by shuffle service and it is mainly
used for increasing general input metrics from TaskIOMetricGroup
.InputGate.InputWithData<INPUT,DATA>
AvailabilityProvider.AvailabilityHelper
availabilityHelper
AVAILABLE
Constructor and Description |
---|
InputGateWithMetrics(InputGate inputGate,
Counter numBytesIn) |
Modifier and Type | Method and Description |
---|---|
void |
close() |
CompletableFuture<?> |
getAvailableFuture() |
Optional<BufferOrEvent> |
getNext()
Blocking call waiting for next
BufferOrEvent . |
int |
getNumberOfInputChannels() |
boolean |
isFinished() |
Optional<BufferOrEvent> |
pollNext()
Poll the
BufferOrEvent . |
void |
sendTaskEvent(TaskEvent event) |
void |
setup()
Setup gate, potentially heavy-weight, blocking operation comparing to just creation.
|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
isApproximatelyAvailable, isAvailable
public CompletableFuture<?> getAvailableFuture()
getAvailableFuture
in interface AvailabilityProvider
getAvailableFuture
in class InputGate
AvailabilityProvider.AVAILABLE
should be returned. Previously returned
not completed futures should become completed once there are more records available.public int getNumberOfInputChannels()
getNumberOfInputChannels
in class InputGate
public boolean isFinished()
isFinished
in interface PullingAsyncDataInput<BufferOrEvent>
isFinished
in class InputGate
public void setup() throws IOException, InterruptedException
InputGate
setup
in class InputGate
IOException
InterruptedException
public Optional<BufferOrEvent> getNext() throws IOException, InterruptedException
InputGate
BufferOrEvent
.
Note: It should be guaranteed that the previous returned buffer has been recycled before getting next one.
getNext
in class InputGate
Optional.empty()
if InputGate.isFinished()
returns true.IOException
InterruptedException
public Optional<BufferOrEvent> pollNext() throws IOException, InterruptedException
InputGate
BufferOrEvent
.
Note: It should be guaranteed that the previous returned buffer has been recycled before polling next one.
pollNext
in interface PullingAsyncDataInput<BufferOrEvent>
pollNext
in class InputGate
Optional.empty()
if there is no data to return or if InputGate.isFinished()
returns true.IOException
InterruptedException
public void sendTaskEvent(TaskEvent event) throws IOException
sendTaskEvent
in class InputGate
IOException
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