alluxio.master.file.contexts

Interface CallTracker

All Known Implementing Classes:

GrpcCallTracker

public interface CallTracker

An interface for RPC level call tracking.

Field Summary

Fields

Modifier and Type	Field and Description
static CallTracker	DISABLED_TRACKER Used when call tracking should not be enabled.
static CallTracker	NOOP_TRACKER Used when call tracking is not desired.

Method Summary

Modifier and Type	Method and Description
boolean	isCancelled()

Field Detail

DISABLED_TRACKER

static final CallTracker DISABLED_TRACKER

Used when call tracking should not be enabled. Invoking it will throw a runtime exception. This tracker will be used as default for service implementations that are not modified for tracking. That way using the tracking functionality without making proper modifications will throw exceptions.

NOOP_TRACKER

static final CallTracker NOOP_TRACKER

Used when call tracking is not desired. It will always return @{code false}. This tracker will be used during testing for service implementations that use tracking.

Method Detail

isCancelled

boolean isCancelled()

Returns:

true if call is cancelled by the client