org.apache.beam.fn.harness.control

Class ExecutionStateSampler

java.lang.Object

org.apache.beam.fn.harness.control.ExecutionStateSampler

public class ExecutionStateSampler
extends java.lang.Object

Monitors the execution of one or more execution threads.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	ExecutionStateSampler.ExecutionState An ExecutionStateSampler.ExecutionState represents the current state of an execution thread.
class	ExecutionStateSampler.ExecutionStateTracker Tracks the current state of a single execution thread.
static class	ExecutionStateSampler.ExecutionStateTrackerStatus

Constructor Summary

Constructors

Constructor and Description
ExecutionStateSampler(org.apache.beam.sdk.options.PipelineOptions options, org.joda.time.DateTimeUtils.MillisProvider clock)

Method Summary

Modifier and Type	Method and Description
ExecutionStateSampler.ExecutionStateTracker	create() Returns a new ExecutionStateSampler.ExecutionStateTracker associated with this state sampler.
void	stop() Stops the execution of the state sampler.

Methods inherited from class java.lang.Object

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

Constructor Detail

ExecutionStateSampler

public ExecutionStateSampler(org.apache.beam.sdk.options.PipelineOptions options,
                             org.joda.time.DateTimeUtils.MillisProvider clock)

Method Detail

stop

public void stop()

Stops the execution of the state sampler.

create

public ExecutionStateSampler.ExecutionStateTracker create()

Returns a new ExecutionStateSampler.ExecutionStateTracker associated with this state sampler.