co.cask.cdap.data.view

Interface ViewStore

All Known Implementing Classes:

InMemoryViewStore, MDSViewStore

public interface ViewStore

Interface for storing stream views.

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)

Method Detail

createOrUpdate

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

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

Parameters:

viewId - the view

config - the view config

Returns:

true if a new view was created

exists

boolean exists(Id.Stream.View viewId)

Parameters:

viewId - the view

Returns:

true if the view exists

delete

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

Deletes a view.

Parameters:

viewId - the view

Throws:

NotFoundException

list

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

Parameters:

streamId - the stream

Returns:

list of view IDs for a stream

get

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

Parameters:

viewId - the view

Returns:

the details of a view

Throws:

NotFoundException