com.espertech.esper.view
Class ZeroDepthStreamIterable

java.lang.Object
  com.espertech.esper.view.ZeroDepthStreamIterable

All Implemented Interfaces:

EventCollection, EventStream, Viewable, java.lang.Iterable<EventBean>

public final class ZeroDepthStreamIterable
extends java.lang.Object
implements EventStream

Event stream implementation that does not keep any window by itself of the events coming into the stream, however is itself iterable and keeps the last event.

Constructor Summary

ZeroDepthStreamIterable(EventType eventType)
Ctor.

Method Summary

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.
View[]	getViews() Returns all added views.
boolean	hasViews() Test is there are any views to the Viewable.
void	insert(EventBean theEvent) Insert a new event onto the stream.
void	insert(EventBean[] events) Insert new events onto the stream.
java.util.Iterator<EventBean>	iterator() Allows iteration through all elements in this event collection.
void	removeAllViews() Remove all views.
boolean	removeView(View view) Remove a view.

Methods inherited from class java.lang.Object

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

Constructor Detail

ZeroDepthStreamIterable

public ZeroDepthStreamIterable(EventType eventType)

Ctor.

Parameters:

eventType - - type of event

Method Detail

insert

public void insert(EventBean[] events)

Description copied from interface: EventStream

Insert new events onto the stream.

Specified by:

insert in interface EventStream

Parameters:

events - to insert

insert

public final void insert(EventBean theEvent)

Description copied from interface: EventStream

Insert a new event onto the stream.

Specified by:

insert in interface EventStream

Parameters:

theEvent - to insert

getEventType

public final 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

iterator

public final java.util.Iterator<EventBean> iterator()

Description copied from interface: EventCollection

Allows iteration through all elements in this event collection. The iterator will return the elements in the collection in their natural order, or, if there is no natural ordering, in some unpredictable order.

Specified by:

iterator in interface EventCollection

Specified by:

iterator in interface java.lang.Iterable<EventBean>

Returns:

an iterator which will go through all current elements in the collection.

addView

public final 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 final View[] getViews()

Description copied from interface: Viewable

Returns all added views.

Specified by:

getViews in interface Viewable

Returns:

list of added views

removeView

public final 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 final 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

removeAllViews

public void removeAllViews()

Description copied from interface: Viewable

Remove all views.

Specified by:

removeAllViews in interface Viewable