com.amazonaws.metrics.internal.cloudwatch

Class RequestMetricCollectorSupport

java.lang.Object

com.amazonaws.metrics.RequestMetricCollector

com.amazonaws.metrics.internal.cloudwatch.RequestMetricCollectorSupport

@ThreadSafe
public class RequestMetricCollectorSupport
extends RequestMetricCollector

This is the default implementation of an AWS SDK request metric collection system.

See Also:

RequestMetricCollector

Nested Class Summary

Nested classes/interfaces inherited from class com.amazonaws.metrics.RequestMetricCollector

RequestMetricCollector.Factory

Field Summary

Fields

Modifier and Type	Field and Description
protected static org.apache.commons.logging.Log	log

Fields inherited from class com.amazonaws.metrics.RequestMetricCollector

NONE

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	RequestMetricCollectorSupport(BlockingQueue<MetricDatum> queue)

Method Summary

Modifier and Type	Method and Description
protected boolean	addMetricsToQueue(MetricDatum metric) Adds the given metric to the queue, returning true if successful or false if no space available.
void	collectMetrics(Request<?> request, Response<?> response) Collects the metrics at the end of a request/response cycle, transforms the metric data points into a cloud watch metric datum representation, and then adds it to a memory queue so it will get summarized into the necessary statistics and uploaded to Amazon CloudWatch.
protected PredefinedMetricTransformer	getTransformer() Returns the predefined metrics transformer.

Methods inherited from class com.amazonaws.metrics.RequestMetricCollector

isEnabled

Methods inherited from class java.lang.Object

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

Field Detail

log

protected static final org.apache.commons.logging.Log log

Constructor Detail

RequestMetricCollectorSupport

protected RequestMetricCollectorSupport(BlockingQueue<MetricDatum> queue)

Method Detail

collectMetrics

public void collectMetrics(Request<?> request,
                           Response<?> response)

Collects the metrics at the end of a request/response cycle, transforms the metric data points into a cloud watch metric datum representation, and then adds it to a memory queue so it will get summarized into the necessary statistics and uploaded to Amazon CloudWatch.

Specified by:

collectMetrics in class RequestMetricCollector

addMetricsToQueue

protected boolean addMetricsToQueue(MetricDatum metric)

Adds the given metric to the queue, returning true if successful or false if no space available.

getTransformer

protected PredefinedMetricTransformer getTransformer()

Returns the predefined metrics transformer.