com.google.api.gax.tracing

Class NoopApiTracer

java.lang.Object

com.google.api.gax.tracing.NoopApiTracer

All Implemented Interfaces:

ApiTracer

@InternalApi
public final class NoopApiTracer
extends Object
implements ApiTracer

An implementation of ApiTracer that does nothing.

For internal use only.

Nested Class Summary

Nested classes/interfaces inherited from interface com.google.api.gax.tracing.ApiTracer

ApiTracer.Scope

Method Summary

Modifier and Type	Method and Description
void	attemptCancelled() Add an annotation that the attempt was cancelled by the user.
void	attemptFailed(Throwable error, org.threeten.bp.Duration delay) Adds an annotation that the attempt failed, but another attempt will be made after the delay.
void	attemptFailedRetriesExhausted(Throwable error) Adds an annotation that the attempt failed and that no further attempts will be made because retry limits have been reached.
void	attemptPermanentFailure(Throwable error) Adds an annotation that the attempt failed and that no further attempts will be made because the last error was not retryable.
void	attemptStarted(int attemptNumber) Adds an annotation that an attempt is about to start.
void	attemptSucceeded() Adds an annotation that the attempt succeeded.
void	batchRequestSent(long elementCount, long requestSize) Adds an annotation that a batch of writes has been flushed.
void	connectionSelected(int id) Annotates the operation with selected connection id from the ChannelPool.
static ApiTracer	getInstance()
ApiTracer.Scope	inScope() Asks the underlying implementation to install itself as a thread local.
void	operationCancelled() Signals that the operation was cancelled by the user.
void	operationFailed(Throwable error) Signals that the overall operation has failed and no further attempts will be made.
void	operationSucceeded() Signals that the overall operation has finished successfully.
void	requestSent() Adds an annotation that a streaming request has been sent.
void	responseReceived() Adds an annotation that a streaming response has been received.

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static ApiTracer getInstance()

inScope

public ApiTracer.Scope inScope()

Description copied from interface: ApiTracer

Asks the underlying implementation to install itself as a thread local. This allows for interop between clients using gax and external resources to share the same implementation of the tracing. For example OpenCensus will install a thread local that can read by the GRPC.

Specified by:

inScope in interface ApiTracer

operationSucceeded

public void operationSucceeded()

Description copied from interface: ApiTracer

Signals that the overall operation has finished successfully. The tracer is now considered closed and should no longer be used.

Specified by:

operationSucceeded in interface ApiTracer

operationCancelled

public void operationCancelled()

Description copied from interface: ApiTracer

Signals that the operation was cancelled by the user. The tracer is now considered closed and should no longer be used.

Specified by:

operationCancelled in interface ApiTracer

operationFailed

public void operationFailed(Throwable error)

Description copied from interface: ApiTracer

Signals that the overall operation has failed and no further attempts will be made. The tracer is now considered closed and should no longer be used.

Specified by:

operationFailed in interface ApiTracer

Parameters:

error - the final error that caused the operation to fail.

connectionSelected

public void connectionSelected(int id)

Description copied from interface: ApiTracer

Annotates the operation with selected connection id from the ChannelPool.

Specified by:

connectionSelected in interface ApiTracer

Parameters:

id - the local connection identifier of the selected connection.

attemptStarted

public void attemptStarted(int attemptNumber)

Description copied from interface: ApiTracer

Adds an annotation that an attempt is about to start. In general this should occur at the very start of the operation. The attemptNumber is zero based. So the initial attempt will be 0.

Specified by:

attemptStarted in interface ApiTracer

Parameters:

attemptNumber - the zero based sequential attempt number.

attemptSucceeded

public void attemptSucceeded()

Description copied from interface: ApiTracer

Adds an annotation that the attempt succeeded.

Specified by:

attemptSucceeded in interface ApiTracer

attemptCancelled

public void attemptCancelled()

Description copied from interface: ApiTracer

Add an annotation that the attempt was cancelled by the user.

Specified by:

attemptCancelled in interface ApiTracer

attemptFailed

public void attemptFailed(Throwable error,
                          org.threeten.bp.Duration delay)

Description copied from interface: ApiTracer

Adds an annotation that the attempt failed, but another attempt will be made after the delay.

Specified by:

attemptFailed in interface ApiTracer

Parameters:

error - the transient error that caused the attempt to fail.

delay - the amount of time to wait before the next attempt will start.

attemptFailedRetriesExhausted

public void attemptFailedRetriesExhausted(Throwable error)

Description copied from interface: ApiTracer

Adds an annotation that the attempt failed and that no further attempts will be made because retry limits have been reached.

Specified by:

attemptFailedRetriesExhausted in interface ApiTracer

Parameters:

error - the last error received before retries were exhausted.

attemptPermanentFailure

public void attemptPermanentFailure(Throwable error)

Description copied from interface: ApiTracer

Adds an annotation that the attempt failed and that no further attempts will be made because the last error was not retryable.

Specified by:

attemptPermanentFailure in interface ApiTracer

Parameters:

error - the error that caused the final attempt to fail.

responseReceived

public void responseReceived()

Description copied from interface: ApiTracer

Adds an annotation that a streaming response has been received.

Specified by:

responseReceived in interface ApiTracer

requestSent

public void requestSent()

Description copied from interface: ApiTracer

Adds an annotation that a streaming request has been sent.

Specified by:

requestSent in interface ApiTracer

batchRequestSent

public void batchRequestSent(long elementCount,
                             long requestSize)

Description copied from interface: ApiTracer

Adds an annotation that a batch of writes has been flushed.

Specified by:

batchRequestSent in interface ApiTracer

Parameters:

elementCount - the number of elements in the batch.

requestSize - the size of the batch in bytes.