com.espertech.esper.view.window

Class ExpressionBatchViewFactory

java.lang.Object

com.espertech.esper.view.window.ExpressionViewFactoryBase

com.espertech.esper.view.window.ExpressionBatchViewFactory

All Implemented Interfaces:

DataWindowBatchingViewFactory, DataWindowViewFactory, DataWindowViewWithPrevious, ViewFactory

public class ExpressionBatchViewFactory
extends ExpressionViewFactoryBase
implements DataWindowBatchingViewFactory

Factory for ExpressionBatchView.

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	includeTriggeringEvent

Fields inherited from class com.espertech.esper.view.window.ExpressionViewFactoryBase

aggregationServiceFactoryDesc, builtinMapType, expiryExpression, expiryExpressionEvaluator, variableNames

Constructor Summary

Constructors

Constructor and Description
ExpressionBatchViewFactory()

Method Summary

Modifier and Type	Method and Description
String	getViewName() Returns the name of the view, not namespace+name but readable name.
boolean	isIncludeTriggeringEvent()
Object	makePreviousGetter()
View	makeView(AgentInstanceViewFactoryChainContext agentInstanceViewFactoryContext) Create a new view.
void	setViewParameters(ViewFactoryContext viewFactoryContext, List<ExprNode> expressionParameters) Indicates user EPL query view parameters to the view factory.

Methods inherited from class com.espertech.esper.view.window.ExpressionViewFactoryBase

attach, canReuse, getAggregationServiceFactoryDesc, getBuiltinMapType, getEventType, getExpiryExpression, getExpiryExpressionEvaluator, getVariableNames

Methods inherited from class java.lang.Object

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

Field Detail

includeTriggeringEvent

protected boolean includeTriggeringEvent

Constructor Detail

ExpressionBatchViewFactory

public ExpressionBatchViewFactory()

Method Detail

setViewParameters

public void setViewParameters(ViewFactoryContext viewFactoryContext,
                              List<ExprNode> expressionParameters)
                       throws ViewParameterException

Description copied from interface: ViewFactory

Indicates user EPL query view parameters to the view factory.

Specified by:

setViewParameters in interface ViewFactory

Parameters:

viewFactoryContext - supplied context information for the view factory

expressionParameters - is the objects representing the view parameters

Throws:

ViewParameterException - if the parameters don't match view parameter needs

makeView

public View makeView(AgentInstanceViewFactoryChainContext agentInstanceViewFactoryContext)

Description copied from interface: ViewFactory

Create a new view.

Specified by:

makeView in interface ViewFactory

Parameters:

agentInstanceViewFactoryContext - context

Returns:

view

makePreviousGetter

public Object makePreviousGetter()

Specified by:

makePreviousGetter in interface DataWindowViewWithPrevious

isIncludeTriggeringEvent

public boolean isIncludeTriggeringEvent()

getViewName

public String getViewName()

Description copied from interface: ViewFactory

Returns the name of the view, not namespace+name but readable name.

Specified by:

getViewName in interface ViewFactory

Returns:

readable name