co.cask.cdap.data2.datafabric.dataset.service.executor

Class InMemoryDatasetOpExecutor

java.lang.Object

com.google.common.util.concurrent.AbstractIdleService

co.cask.cdap.data2.datafabric.dataset.service.executor.InMemoryDatasetOpExecutor

All Implemented Interfaces:

DatasetOpExecutor, com.google.common.util.concurrent.Service

public class InMemoryDatasetOpExecutor
extends com.google.common.util.concurrent.AbstractIdleService
implements DatasetOpExecutor

In-memory implementation of DatasetOpExecutor.

Nested Class Summary

Nested classes/interfaces inherited from interface com.google.common.util.concurrent.Service

com.google.common.util.concurrent.Service.Listener, com.google.common.util.concurrent.Service.State

Constructor Summary

Constructors

Constructor and Description
InMemoryDatasetOpExecutor(RemoteDatasetFramework client)

Method Summary

Methods

Modifier and Type	Method and Description
co.cask.cdap.api.dataset.DatasetSpecification	create(Id.DatasetInstance datasetInstanceId, DatasetTypeMeta typeMeta, co.cask.cdap.api.dataset.DatasetProperties props) Creates a dataset.
void	drop(Id.DatasetInstance datasetInstanceId, DatasetTypeMeta typeMeta, co.cask.cdap.api.dataset.DatasetSpecification spec) Drops dataset.
boolean	exists(Id.DatasetInstance datasetInstanceId) Checks for the existence of a dataset instance
protected void	shutDown()
protected void	startUp()
void	truncate(Id.DatasetInstance datasetInstanceId) Deletes all data of the dataset.
void	upgrade(Id.DatasetInstance datasetInstanceId) Upgrades dataset.

Methods inherited from class com.google.common.util.concurrent.AbstractIdleService

addListener, executor, isRunning, start, startAndWait, state, stop, stopAndWait, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.google.common.util.concurrent.Service

addListener, isRunning, start, startAndWait, state, stop, stopAndWait

Constructor Detail

InMemoryDatasetOpExecutor

@Inject
public InMemoryDatasetOpExecutor(RemoteDatasetFramework client)

Method Detail

exists

public boolean exists(Id.DatasetInstance datasetInstanceId)
               throws Exception

Description copied from interface: DatasetOpExecutor

Checks for the existence of a dataset instance

Specified by:

exists in interface DatasetOpExecutor

Parameters:

datasetInstanceId - Id.DatasetInstance of the dataset instance.

Returns:

true if dataset exists

Throws:

IOException

Exception

create

public co.cask.cdap.api.dataset.DatasetSpecification create(Id.DatasetInstance datasetInstanceId,
                                                   DatasetTypeMeta typeMeta,
                                                   co.cask.cdap.api.dataset.DatasetProperties props)
                                                     throws Exception

Description copied from interface: DatasetOpExecutor

Creates a dataset.

Specified by:

create in interface DatasetOpExecutor

Parameters:

datasetInstanceId - Id.DatasetInstance of the dataset instance.

typeMeta - Data set type meta

props - Data set instance properties

Throws:

IOException

Exception

drop

public void drop(Id.DatasetInstance datasetInstanceId,
        DatasetTypeMeta typeMeta,
        co.cask.cdap.api.dataset.DatasetSpecification spec)
          throws Exception

Description copied from interface: DatasetOpExecutor

Drops dataset.

Specified by:

drop in interface DatasetOpExecutor

Parameters:

datasetInstanceId - Id.DatasetInstance of the dataset instance.

typeMeta - Data set type meta

spec - Data set instance spec

Throws:

IOException

Exception

truncate

public void truncate(Id.DatasetInstance datasetInstanceId)
              throws Exception

Description copied from interface: DatasetOpExecutor

Deletes all data of the dataset.

Specified by:

truncate in interface DatasetOpExecutor

Parameters:

datasetInstanceId - Id.DatasetInstance of the dataset instance.

Throws:

IOException

Exception

upgrade

public void upgrade(Id.DatasetInstance datasetInstanceId)
             throws Exception

Description copied from interface: DatasetOpExecutor

Upgrades dataset.

Specified by:

upgrade in interface DatasetOpExecutor

Parameters:

datasetInstanceId - Id.DatasetInstance of the dataset instance.

Throws:

IOException

Exception

startUp

protected void startUp()
                throws Exception

Specified by:

startUp in class com.google.common.util.concurrent.AbstractIdleService

Throws:

Exception

shutDown

protected void shutDown()
                 throws Exception

Specified by:

shutDown in class com.google.common.util.concurrent.AbstractIdleService

Throws:

Exception