com.espertech.esper.view.window

Class ExpressionWindowViewFactory

java.lang.Object

com.espertech.esper.view.window.ExpressionViewFactoryBase

com.espertech.esper.view.window.ExpressionWindowViewFactory

All Implemented Interfaces:

DataWindowViewFactory, DataWindowViewWithPrevious, ViewFactory

public class ExpressionWindowViewFactory
extends ExpressionViewFactoryBase

Factory for ExpressionWindowView.

Field Summary

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

aggregationServiceFactoryDesc, builtinMapType, expiryExpression, expiryExpressionEvaluator, variableNames

Constructor Summary

Constructors

Constructor and Description
ExpressionWindowViewFactory()

Method Summary

Modifier and Type	Method and Description
String	getViewName() Returns the name of the view, not namespace+name but readable name.
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

Constructor Detail

ExpressionWindowViewFactory

public ExpressionWindowViewFactory()

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.

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.

Parameters:

agentInstanceViewFactoryContext - context

Returns:

view

makePreviousGetter

public Object makePreviousGetter()

getViewName

public String getViewName()

Description copied from interface: ViewFactory

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

Returns:

readable name