org.apache.beam.fn.harness.control

Interface ExecutionStateSampler.ExecutionState

Enclosing class:

ExecutionStateSampler

public static interface ExecutionStateSampler.ExecutionState

An ExecutionStateSampler.ExecutionState represents the current state of an execution thread.

Method Summary

Modifier and Type	Method and Description
void	activate() Activates this execution state within the ExecutionStateSampler.ExecutionStateTracker.
void	deactivate() Restores the previously active execution state within the ExecutionStateSampler.ExecutionStateTracker.
boolean	error() Sets the error state to the currently executing state.

Method Detail

activate

void activate()

Activates this execution state within the ExecutionStateSampler.ExecutionStateTracker.

Must only be invoked by the bundle processing thread.

deactivate

void deactivate()

Restores the previously active execution state within the ExecutionStateSampler.ExecutionStateTracker.

Must only be invoked by the bundle processing thread.

error

boolean error()

Sets the error state to the currently executing state. Returns true if this was the first time the error was set. Returns false otherwise.

This can only be set once.