com.espertech.esper.view
Class ViewFactoryChain

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

public class ViewFactoryChain
extends java.lang.Object

Holder for the logical chain of view factories.

Constructor Summary

ViewFactoryChain(EventType streamEventType, java.util.List<ViewFactory> viewFactoryChain)
Ctor.

Method Summary

static ViewFactoryChain	fromTypeNoViews(EventType eventType)
int	getDataWindowViewFactoryCount() Returns the number of data window factories for the chain.
EventType	getEventType() Returns the final event type which is the event type of the last view factory in the chain, or if the chain is empty then the stream's event type.
java.util.List<ViewFactory>	getViewFactoryChain() Returns the chain of view factories.

Methods inherited from class java.lang.Object

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

Constructor Detail

ViewFactoryChain

public ViewFactoryChain(EventType streamEventType,
                        java.util.List<ViewFactory> viewFactoryChain)

Ctor.

Parameters:

streamEventType - is the event type of the event stream

viewFactoryChain - is the chain of view factories

Method Detail

getEventType

public EventType getEventType()

Returns the final event type which is the event type of the last view factory in the chain, or if the chain is empty then the stream's event type.

Returns:

final event type of the last view or stream

getViewFactoryChain

public java.util.List<ViewFactory> getViewFactoryChain()

Returns the chain of view factories.

Returns:

view factory list

getDataWindowViewFactoryCount

public int getDataWindowViewFactoryCount()

Returns the number of data window factories for the chain.

Returns:

number of data window factories

fromTypeNoViews

public static ViewFactoryChain fromTypeNoViews(EventType eventType)