co.cask.cdap.metrics.store

Class DefaultMetricDatasetFactory

java.lang.Object

co.cask.cdap.metrics.store.DefaultMetricDatasetFactory

All Implemented Interfaces:

MetricDatasetFactory

public class DefaultMetricDatasetFactory
extends Object
implements MetricDatasetFactory

Constructor Summary

Constructors

Constructor and Description
DefaultMetricDatasetFactory(CConfiguration cConf, DatasetFramework dsFramework)

Method Summary

Methods

Modifier and Type	Method and Description
KafkaConsumerMetaTable	createKafkaConsumerMeta()
FactTable	getOrCreateFactTable(int resolution)
static void	migrateData(CConfiguration conf, Configuration hConf, DatasetFramework datasetFramework, boolean keepOldData, HBaseTableUtil tableUtil) Migrates metrics data from version 2.7 and older to 2.8
static void	setupDatasets(DefaultMetricDatasetFactory factory) Creates the metrics tables and kafka-meta table using the factory DefaultMetricDatasetFactory It is primarily used by upgrade and data-migration tool.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultMetricDatasetFactory

@Inject
public DefaultMetricDatasetFactory(CConfiguration cConf,
                                  DatasetFramework dsFramework)

Method Detail

getOrCreateFactTable

public FactTable getOrCreateFactTable(int resolution)

Specified by:

getOrCreateFactTable in interface MetricDatasetFactory

Parameters:

resolution - resolution of FactTable

Returns:

A new instance of FactTable.

createKafkaConsumerMeta

public KafkaConsumerMetaTable createKafkaConsumerMeta()

Specified by:

createKafkaConsumerMeta in interface MetricDatasetFactory

Returns:

A new instance of KafkaConsumerMetaTable.

setupDatasets

public static void setupDatasets(DefaultMetricDatasetFactory factory)
                          throws IOException,
                                 DatasetManagementException

Creates the metrics tables and kafka-meta table using the factory DefaultMetricDatasetFactory

It is primarily used by upgrade and data-migration tool.

Parameters:

factory - : metrics dataset factory

Throws:

IOException

DatasetManagementException

migrateData

public static void migrateData(CConfiguration conf,
               Configuration hConf,
               DatasetFramework datasetFramework,
               boolean keepOldData,
               HBaseTableUtil tableUtil)
                        throws DataMigrationException

Migrates metrics data from version 2.7 and older to 2.8

Parameters:

conf - CConfiguration

hConf - Configuration

datasetFramework - framework to add types and datasets to

keepOldData - - boolean flag to specify if we have to keep old metrics data

Throws:

DataMigrationException