com.espertech.esper.common.internal.epl.ontrigger

Class OnExprViewNamedWindowMerge

java.lang.Object

com.espertech.esper.common.internal.view.core.ViewSupport

com.espertech.esper.common.internal.epl.ontrigger.OnExprViewNameWindowBase

com.espertech.esper.common.internal.epl.ontrigger.OnExprViewNamedWindowMerge

All Implemented Interfaces:

View, Viewable, Iterable<EventBean>

public class OnExprViewNamedWindowMerge
extends OnExprViewNameWindowBase

View for the on-delete statement that handles removing events from a named window.

Field Summary

Fields inherited from class com.espertech.esper.common.internal.epl.ontrigger.OnExprViewNameWindowBase

agentInstanceContext, rootView

Fields inherited from class com.espertech.esper.common.internal.view.core.ViewSupport

child

Constructor Summary

Constructors

Constructor and Description
OnExprViewNamedWindowMerge(SubordWMatchExprLookupStrategy lookupStrategy, NamedWindowRootViewInstance rootView, AgentInstanceContext agentInstanceContext, InfraOnMergeViewFactory parent)

Method Summary

Modifier and Type	Method and Description
EventType	getEventType() Provides metadata information about the type of object the event collection contains.
void	handleMatching(EventBean[] triggerEvents, EventBean[] matchingEvents) Implemented by on-trigger views to action on the combination of trigger and matching events in the named window.
Iterator<EventBean>	iterator() Allows iteration through all elements in this viewable.

Methods inherited from class com.espertech.esper.common.internal.epl.ontrigger.OnExprViewNameWindowBase

getExprEvaluatorContext, update

Methods inherited from class com.espertech.esper.common.internal.view.core.ViewSupport

getChild, getParent, setChild, setParent

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

OnExprViewNamedWindowMerge

public OnExprViewNamedWindowMerge(SubordWMatchExprLookupStrategy lookupStrategy,
                                  NamedWindowRootViewInstance rootView,
                                  AgentInstanceContext agentInstanceContext,
                                  InfraOnMergeViewFactory parent)

Method Detail

handleMatching

public void handleMatching(EventBean[] triggerEvents,
                           EventBean[] matchingEvents)

Description copied from class: OnExprViewNameWindowBase

Implemented by on-trigger views to action on the combination of trigger and matching events in the named window.

Specified by:

handleMatching in class OnExprViewNameWindowBase

Parameters:

triggerEvents - is the trigger events (usually 1)

matchingEvents - is the matching events retrieved via lookup strategy

getEventType

public EventType getEventType()

Description copied from interface: Viewable

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

Returns:

metadata for the objects in the collection

iterator

public Iterator<EventBean> iterator()

Description copied from interface: Viewable

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

Returns:

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