Package com.amazonaws.athena.connectors.cloudwatch.metrics

Class MetricsRecordHandler

java.lang.Object

com.amazonaws.athena.connector.lambda.handlers.RecordHandler

com.amazonaws.athena.connectors.cloudwatch.metrics.MetricsRecordHandler

All Implemented Interfaces:

com.amazonaws.services.lambda.runtime.RequestStreamHandler

public class MetricsRecordHandler
extends RecordHandler

Handles data read record requests for the Athena Cloudwatch Metrics Connector.

For more detail, please see the module's README.md, some notable characteristics of this class include:

1. Reads and maps Cloudwatch Metrics and Metric Samples. 2. Attempts to push down time range predicates into Cloudwatch Metrics.

Field Summary

Fields inherited from class com.amazonaws.athena.connector.lambda.handlers.RecordHandler

configOptions

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	MetricsRecordHandler(com.amazonaws.services.s3.AmazonS3 amazonS3, com.amazonaws.services.secretsmanager.AWSSecretsManager secretsManager, com.amazonaws.services.athena.AmazonAthena athena, com.amazonaws.services.cloudwatch.AmazonCloudWatch metrics, Map<String,String> configOptions)
	MetricsRecordHandler(Map<String,String> configOptions)

Method Summary

Modifier and Type	Method	Description
protected void	readWithConstraint(BlockSpiller blockSpiller, ReadRecordsRequest readRecordsRequest, QueryStatusChecker queryStatusChecker)	Scans Cloudwatch Metrics for the list of available metrics or the samples for a specific metric.

Methods inherited from class com.amazonaws.athena.connector.lambda.handlers.RecordHandler

doHandleRequest, doReadRecords, getSecret, getSpillConfig, handleRequest, onPing, resolveSecrets

Methods inherited from class java.lang.Object

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

Constructor Detail

MetricsRecordHandler

public MetricsRecordHandler(Map<String,String> configOptions)

MetricsRecordHandler

protected MetricsRecordHandler(com.amazonaws.services.s3.AmazonS3 amazonS3,
                               com.amazonaws.services.secretsmanager.AWSSecretsManager secretsManager,
                               com.amazonaws.services.athena.AmazonAthena athena,
                               com.amazonaws.services.cloudwatch.AmazonCloudWatch metrics,
                               Map<String,String> configOptions)

Method Detail

readWithConstraint

protected void readWithConstraint(BlockSpiller blockSpiller,
                                  ReadRecordsRequest readRecordsRequest,
                                  QueryStatusChecker queryStatusChecker)
                           throws TimeoutException

Scans Cloudwatch Metrics for the list of available metrics or the samples for a specific metric.

Specified by:

readWithConstraint in class RecordHandler

Parameters:

blockSpiller - A BlockSpiller that should be used to write the row data associated with this Split. The BlockSpiller automatically handles chunking the response, encrypting, and spilling to S3.

readRecordsRequest - Details of the read request, including: 1. The Split 2. The Catalog, Database, and Table the read request is for. 3. The filtering predicate (if any) 4. The columns required for projection.

queryStatusChecker - A QueryStatusChecker that you can use to stop doing work for a query that has already terminated

Throws:

TimeoutException

See Also:

RecordHandler