com.amazonaws.metrics.internal.cloudwatch.provider.transform

Class DynamoDBRequestMetricTransformer

java.lang.Object

com.amazonaws.metrics.internal.cloudwatch.provider.transform.DynamoDBRequestMetricTransformer

All Implemented Interfaces:

RequestMetricTransformer

@ThreadSafe
public class DynamoDBRequestMetricTransformer
extends Object
implements RequestMetricTransformer

An internal service provider implementation for an DyanmoDB specific request metric transformer. This class is loaded only if there are Amazon DyanmoDB specific predefined metrics to be processed.

See Also:

AWSMetricTransformerFactory

Nested Class Summary

Nested classes/interfaces inherited from interface com.amazonaws.metrics.internal.cloudwatch.spi.RequestMetricTransformer

RequestMetricTransformer.Utils

Field Summary

Fields inherited from interface com.amazonaws.metrics.internal.cloudwatch.spi.RequestMetricTransformer

NONE

Constructor Summary

Constructors

Constructor and Description
DynamoDBRequestMetricTransformer()

Method Summary

Methods

Modifier and Type	Method and Description
List<MetricDatum>	toMetricData(MetricType metricType, Request<?> request, Response<?> response) Returns a list of metric datum for the metrics collected for the given request/response, or null if this transformer does not recognize the specific input metric type.

Methods inherited from class java.lang.Object

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

Constructor Detail

DynamoDBRequestMetricTransformer

public DynamoDBRequestMetricTransformer()

Method Detail

toMetricData

public List<MetricDatum> toMetricData(MetricType metricType,
                             Request<?> request,
                             Response<?> response)

Description copied from interface: RequestMetricTransformer

Returns a list of metric datum for the metrics collected for the given request/response, or null if this transformer does not recognize the specific input metric type.

Note returning an empty list means the transformer recognized the metric type but concluded there is no metrics to be generated for it.

Specified by:

toMetricData in interface RequestMetricTransformer

Parameters:

metricType - the predefined metric type