Package pl.wrzasq.lambda.metrics.dynamodb.service

Class CloudWatchDynamoDbMetricGenerator

java.lang.Object

pl.wrzasq.lambda.metrics.dynamodb.service.CloudWatchDynamoDbMetricGenerator

public class CloudWatchDynamoDbMetricGenerator
extends Object

CloudWatch metrics handler.

Field Summary

Fields

Modifier and Type	Field	Description
private com.amazonaws.services.cloudwatch.AmazonCloudWatch	cloudWatch	AWS CloudWatch client.
private com.amazonaws.services.dynamodbv2.AmazonDynamoDB	dynamoDb	AWS DynamoDB client.
private org.slf4j.Logger	logger	Logger.
private String	namespace	Metrics namespace to use.

Constructor Summary

Constructors

Constructor	Description
CloudWatchDynamoDbMetricGenerator(com.amazonaws.services.dynamodbv2.AmazonDynamoDB dynamoDb, com.amazonaws.services.cloudwatch.AmazonCloudWatch cloudWatch, String namespace)	Initializes object.

Method Summary

Modifier and Type	Method	Description
void	generateMetrics(String tableName)	Table metrics generator.
private void	putSingleMetric(String tableName, String metricName, double value, com.amazonaws.services.cloudwatch.model.StandardUnit unit)	Saves single metric value in CloudWatch.

Methods inherited from class java.lang.Object

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

Field Detail

logger

private org.slf4j.Logger logger

Logger.

dynamoDb

private com.amazonaws.services.dynamodbv2.AmazonDynamoDB dynamoDb

AWS DynamoDB client.

cloudWatch

private com.amazonaws.services.cloudwatch.AmazonCloudWatch cloudWatch

AWS CloudWatch client.

namespace

private String namespace

Metrics namespace to use.

Constructor Detail

CloudWatchDynamoDbMetricGenerator

public CloudWatchDynamoDbMetricGenerator(com.amazonaws.services.dynamodbv2.AmazonDynamoDB dynamoDb,
                                         com.amazonaws.services.cloudwatch.AmazonCloudWatch cloudWatch,
                                         String namespace)

Initializes object.

Parameters:

dynamoDb - DynamoDB client.

cloudWatch - CloudWatch client.

namespace - Metrics namespace.

Method Detail

generateMetrics

public void generateMetrics(String tableName)

Table metrics generator.

Parameters:

tableName - Table name.

putSingleMetric

private void putSingleMetric(String tableName,
                             String metricName,
                             double value,
                             com.amazonaws.services.cloudwatch.model.StandardUnit unit)

Saves single metric value in CloudWatch.

Parameters:

tableName - DynamoDB table name.

metricName - Metric name.

value - Metric value.

unit - Metric unit.