co.cask.cdap.data.view

Class InMemoryViewStore

java.lang.Object

co.cask.cdap.data.view.InMemoryViewStore

All Implemented Interfaces:

ViewStore

public final class InMemoryViewStore
extends Object
implements ViewStore

In-memory implementation of ViewStore.

Constructor Summary

Constructors

Constructor and Description
InMemoryViewStore()

Method Summary

Methods

Modifier and Type	Method and Description
boolean	createOrUpdate(Id.Stream.View viewId, ViewSpecification config) Creates a view.
void	delete(Id.Stream.View viewId) Deletes a view.
boolean	exists(Id.Stream.View viewId)
ViewDetail	get(Id.Stream.View viewId)
List<Id.Stream.View>	list(Id.Stream streamId)

Methods inherited from class java.lang.Object

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

Constructor Detail

InMemoryViewStore

public InMemoryViewStore()

Method Detail

createOrUpdate

public boolean createOrUpdate(Id.Stream.View viewId,
                     ViewSpecification config)

Description copied from interface: ViewStore

Creates a view. Updates the view if it already exists.

Specified by:

createOrUpdate in interface ViewStore

Parameters:

viewId - the view

config - the view config

Returns:

true if a new view was created

exists

public boolean exists(Id.Stream.View viewId)

Specified by:

exists in interface ViewStore

Parameters:

viewId - the view

Returns:

true if the view exists

delete

public void delete(Id.Stream.View viewId)
            throws NotFoundException

Description copied from interface: ViewStore

Deletes a view.

Specified by:

delete in interface ViewStore

Parameters:

viewId - the view

Throws:

NotFoundException

list

public List<Id.Stream.View> list(Id.Stream streamId)

Specified by:

list in interface ViewStore

Parameters:

streamId - the stream

Returns:

list of view IDs for a stream

get

public ViewDetail get(Id.Stream.View viewId)
               throws NotFoundException

Specified by:

get in interface ViewStore

Parameters:

viewId - the view

Returns:

the details of a view

Throws:

NotFoundException