com.espertech.esper.epl.view

Class OutputProcessViewBase

java.lang.Object

com.espertech.esper.epl.view.OutputProcessViewBase

All Implemented Interfaces:

JoinSetIndicator, JoinSetProcessor, OutputProcessViewTerminable, StopCallback, EventCollection, View, Viewable, Iterable<EventBean>

Direct Known Subclasses:

OutputProcessViewBaseCallback, OutputProcessViewBaseWAfter, OutputProcessViewDirect

public abstract class OutputProcessViewBase
extends Object
implements View, JoinSetIndicator, OutputProcessViewTerminable, StopCallback

Field Summary

Fields

Modifier and Type	Field and Description
protected UpdateDispatchView	childView
protected JoinExecutionStrategy	joinExecutionStrategy
protected Viewable	parentView
protected ResultSetProcessor	resultSetProcessor

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	OutputProcessViewBase(ResultSetProcessor resultSetProcessor)

Method Summary

Modifier and Type	Method and Description
View	addView(View view) Add a view to the viewable object.
EventType	getEventType() Provides metadata information about the type of object the event collection contains.
abstract int	getNumChangesetRows()
abstract OutputProcessViewAfterState	getOptionalAfterConditionState()
abstract OutputProcessViewConditionDeltaSet	getOptionalDeltaSet()
abstract OutputCondition	getOptionalOutputCondition()
Viewable	getParent() Returns the View's parent Viewable.
ResultSetProcessor	getResultSetProcessor()
View[]	getViews() Returns all added views.
boolean	hasViews() Test is there are any views to the Viewable.
void	removeAllViews() Remove all views.
boolean	removeView(View view) Remove a view.
void	setJoinExecutionStrategy(JoinExecutionStrategy joinExecutionStrategy) For joins, supplies the join execution strategy that provides iteration over statement results.
void	setParent(Viewable parent) Called when the View is added to a Viewable object.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.espertech.esper.view.View

update

Methods inherited from interface com.espertech.esper.view.EventCollection

iterator

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Methods inherited from interface com.espertech.esper.epl.join.base.JoinSetProcessor

process

Methods inherited from interface com.espertech.esper.epl.view.OutputProcessViewTerminable

terminated

Methods inherited from interface com.espertech.esper.util.StopCallback

stop

Field Detail

resultSetProcessor

protected final ResultSetProcessor resultSetProcessor

joinExecutionStrategy

protected JoinExecutionStrategy joinExecutionStrategy

childView

protected UpdateDispatchView childView

parentView

protected Viewable parentView

Constructor Detail

OutputProcessViewBase

protected OutputProcessViewBase(ResultSetProcessor resultSetProcessor)

Method Detail

getNumChangesetRows

public abstract int getNumChangesetRows()

getOptionalOutputCondition

public abstract OutputCondition getOptionalOutputCondition()

getOptionalDeltaSet

public abstract OutputProcessViewConditionDeltaSet getOptionalDeltaSet()

getOptionalAfterConditionState

public abstract OutputProcessViewAfterState getOptionalAfterConditionState()

getParent

public Viewable getParent()

Description copied from interface: View

Returns the View's parent Viewable.

Specified by:

getParent in interface View

Returns:

viewable

setParent

public void setParent(Viewable parent)

Description copied from interface: View

Called when the View is added to a Viewable object.

Specified by:

setParent in interface View

Parameters:

parent - is the parent that this view is a child of

addView

public View addView(View view)

Description copied from interface: Viewable

Add a view to the viewable object.

Specified by:

addView in interface Viewable

Parameters:

view - to add

Returns:

view to add

getViews

public View[] getViews()

Description copied from interface: Viewable

Returns all added views.

Specified by:

getViews in interface Viewable

Returns:

list of added views

removeAllViews

public void removeAllViews()

Description copied from interface: Viewable

Remove all views.

Specified by:

removeAllViews in interface Viewable

removeView

public boolean removeView(View view)

Description copied from interface: Viewable

Remove a view.

Specified by:

removeView in interface Viewable

Parameters:

view - to remove

Returns:

true to indicate that the view to be removed existed within this view, false if the view to remove could not be found

hasViews

public boolean hasViews()

Description copied from interface: Viewable

Test is there are any views to the Viewable.

Specified by:

hasViews in interface Viewable

Returns:

true indicating there are child views, false indicating there are no child views

getEventType

public EventType getEventType()

Description copied from interface: EventCollection

Provides metadata information about the type of object the event collection contains.

Specified by:

getEventType in interface EventCollection

Returns:

metadata for the objects in the collection

setJoinExecutionStrategy

public void setJoinExecutionStrategy(JoinExecutionStrategy joinExecutionStrategy)

For joins, supplies the join execution strategy that provides iteration over statement results.

Parameters:

joinExecutionStrategy - executes joins including static (non-continuous) joins

getResultSetProcessor

public ResultSetProcessor getResultSetProcessor()