com.espertech.esper.runtime.internal.kernel.updatedispatch

Class UpdateDispatchViewBase

java.lang.Object

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

com.espertech.esper.runtime.internal.kernel.updatedispatch.UpdateDispatchViewBase

All Implemented Interfaces:

com.espertech.esper.common.internal.statement.dispatch.Dispatchable, com.espertech.esper.common.internal.statement.dispatch.UpdateDispatchView, com.espertech.esper.common.internal.view.core.View, com.espertech.esper.common.internal.view.core.Viewable, Iterable<com.espertech.esper.common.client.EventBean>

Direct Known Subclasses:

UpdateDispatchViewBlockingSpin, UpdateDispatchViewBlockingWait, UpdateDispatchViewNonBlocking

public abstract class UpdateDispatchViewBase
extends com.espertech.esper.common.internal.view.core.ViewSupport
implements com.espertech.esper.common.internal.statement.dispatch.Dispatchable, com.espertech.esper.common.internal.statement.dispatch.UpdateDispatchView

Convenience view for dispatching view updates received from a parent view to update listeners via the dispatch service.

Field Summary

Fields

Modifier and Type	Field and Description
protected com.espertech.esper.common.internal.statement.dispatch.DispatchService	dispatchService Dispatches events to listeners.
protected com.espertech.esper.common.client.EventType	eventType
protected com.espertech.esper.common.client.EventBean	lastIterableEvent For iteration with patterns.
protected com.espertech.esper.common.internal.context.util.StatementResultService	statementResultService Handles result delivery

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

child, parent

Constructor Summary

Constructors

Constructor and Description
UpdateDispatchViewBase(com.espertech.esper.common.client.EventType eventType, com.espertech.esper.common.internal.context.util.StatementResultService statementResultServiceImpl, com.espertech.esper.common.internal.statement.dispatch.DispatchService dispatchService) Ctor.

Method Summary

Modifier and Type	Method and Description
void	cancelled()
void	clear() Remove event reference to last event.
void	execute()
com.espertech.esper.common.client.EventType	getEventType()
com.espertech.esper.common.internal.context.util.StatementResultService	getStatementResultService()
com.espertech.esper.common.internal.statement.dispatch.UpdateDispatchView	getView()
Iterator<com.espertech.esper.common.client.EventBean>	iterator()
void	newResult(com.espertech.esper.common.internal.collection.UniformPair<com.espertech.esper.common.client.EventBean[]> result)
void	update(com.espertech.esper.common.client.EventBean[] newData, com.espertech.esper.common.client.EventBean[] oldData)

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

getParent, setParent

Methods inherited from interface com.espertech.esper.common.internal.view.core.Viewable

getChild, setChild

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Field Detail

eventType

protected final com.espertech.esper.common.client.EventType eventType

statementResultService

protected final com.espertech.esper.common.internal.context.util.StatementResultService statementResultService

Handles result delivery

dispatchService

protected final com.espertech.esper.common.internal.statement.dispatch.DispatchService dispatchService

Dispatches events to listeners.

lastIterableEvent

protected com.espertech.esper.common.client.EventBean lastIterableEvent

For iteration with patterns.

Constructor Detail

UpdateDispatchViewBase

public UpdateDispatchViewBase(com.espertech.esper.common.client.EventType eventType,
                              com.espertech.esper.common.internal.context.util.StatementResultService statementResultServiceImpl,
                              com.espertech.esper.common.internal.statement.dispatch.DispatchService dispatchService)

Ctor.

Parameters:

dispatchService - - for performing the dispatch

statementResultServiceImpl - - handles result delivery

eventType - event type

Method Detail

getEventType

public com.espertech.esper.common.client.EventType getEventType()

Specified by:

getEventType in interface com.espertech.esper.common.internal.view.core.Viewable

iterator

public Iterator<com.espertech.esper.common.client.EventBean> iterator()

Specified by:

iterator in interface com.espertech.esper.common.internal.view.core.Viewable

Specified by:

iterator in interface Iterable<com.espertech.esper.common.client.EventBean>

execute

public void execute()

Specified by:

execute in interface com.espertech.esper.common.internal.statement.dispatch.Dispatchable

clear

public void clear()

Remove event reference to last event.

getStatementResultService

public com.espertech.esper.common.internal.context.util.StatementResultService getStatementResultService()

getView

public com.espertech.esper.common.internal.statement.dispatch.UpdateDispatchView getView()

Specified by:

getView in interface com.espertech.esper.common.internal.statement.dispatch.Dispatchable

newResult

public void newResult(com.espertech.esper.common.internal.collection.UniformPair<com.espertech.esper.common.client.EventBean[]> result)

Specified by:

newResult in interface com.espertech.esper.common.internal.statement.dispatch.UpdateDispatchView

update

public void update(com.espertech.esper.common.client.EventBean[] newData,
                   com.espertech.esper.common.client.EventBean[] oldData)

Specified by:

update in interface com.espertech.esper.common.internal.view.core.View

cancelled

public void cancelled()

Specified by:

cancelled in interface com.espertech.esper.common.internal.statement.dispatch.Dispatchable