Package io.grpc.internal
Class ServerImpl.NoopListener
- java.lang.Object
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- io.grpc.internal.ServerImpl.NoopListener
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- All Implemented Interfaces:
ServerStreamListener
,StreamListener
- Enclosing class:
- ServerImpl
private static final class ServerImpl.NoopListener extends java.lang.Object implements ServerStreamListener
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Nested Class Summary
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Nested classes/interfaces inherited from interface io.grpc.internal.StreamListener
StreamListener.MessageProducer
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Constructor Summary
Constructors Modifier Constructor Description private
NoopListener()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
closed(Status status)
Called when the stream is fully closed.void
halfClosed()
Called when the remote side of the transport gracefully closed, indicating the client had no more data to send.void
messagesAvailable(StreamListener.MessageProducer producer)
Called upon receiving a message from the remote end-point.void
onReady()
This indicates that the transport is now capable of sending additional messages without requiring excessive buffering internally.
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Method Detail
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messagesAvailable
public void messagesAvailable(StreamListener.MessageProducer producer)
Description copied from interface:StreamListener
Called upon receiving a message from the remote end-point.Implementations must eventually drain the provided
producer
StreamListener.MessageProducer
completely by invokingStreamListener.MessageProducer.next()
to obtain deframed messages until the producer returns null.This method should return quickly, as the same thread may be used to process other streams.
- Specified by:
messagesAvailable
in interfaceStreamListener
- Parameters:
producer
- supplier of deframed messages.
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halfClosed
public void halfClosed()
Description copied from interface:ServerStreamListener
Called when the remote side of the transport gracefully closed, indicating the client had no more data to send. No further messages will be received on the stream.This method should return quickly, as the same thread may be used to process other streams.
- Specified by:
halfClosed
in interfaceServerStreamListener
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closed
public void closed(Status status)
Description copied from interface:ServerStreamListener
Called when the stream is fully closed. A status code ofStatus.Code.OK
implies normal termination of the stream. Any other value implies abnormal termination. Since clients cannot send status, the passed status is always library-generated and only is concerned with transport-level stream shutdown (the call itself may have had a failing status, but if the stream terminated cleanly with the status appearing to have been sent, then the passed status here would beOK
). This is guaranteed to always be the final call on a listener. No further callbacks will be issued.This method should return quickly, as the same thread may be used to process other streams.
- Specified by:
closed
in interfaceServerStreamListener
- Parameters:
status
- details about the remote closure
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onReady
public void onReady()
Description copied from interface:StreamListener
This indicates that the transport is now capable of sending additional messages without requiring excessive buffering internally. This event is just a suggestion and the application is free to ignore it, however doing so may result in excessive buffering within the transport.- Specified by:
onReady
in interfaceStreamListener
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