software.amazon.kinesis.metrics

Class MetricsCollectingTaskDecorator

java.lang.Object

software.amazon.kinesis.metrics.MetricsCollectingTaskDecorator

All Implemented Interfaces:

Callable<TaskResult>, ConsumerTask

public class MetricsCollectingTaskDecorator
extends Object
implements ConsumerTask

Decorates an ConsumerTask and reports metrics about its timing and success/failure.

Constructor Summary

Constructors

Constructor and Description
MetricsCollectingTaskDecorator(ConsumerTask other, MetricsFactory factory) Constructor.

Method Summary

Modifier and Type	Method and Description
TaskResult	call() Perform task logic.
ConsumerTask	getOther()
TaskType	taskType()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

MetricsCollectingTaskDecorator

public MetricsCollectingTaskDecorator(ConsumerTask other,
                                      MetricsFactory factory)

Constructor.

Parameters:

other - task to report metrics on

factory - IMetricsFactory to use

Method Detail

call

public TaskResult call()

Perform task logic. E.g. perform set up (e.g. fetch records) and invoke a callback (e.g. processRecords() API).

Specified by:

call in interface Callable<TaskResult>

Specified by:

call in interface ConsumerTask

Returns:

TaskResult (captures any exceptions encountered during execution of the task)

taskType

public TaskType taskType()

Specified by:

taskType in interface ConsumerTask

Returns:

TaskType

toString

public String toString()

Overrides:

toString in class Object

getOther

public ConsumerTask getOther()