com.espertech.esper.client.hook

Class VirtualDataWindowFactoryContext

java.lang.Object

com.espertech.esper.client.hook.VirtualDataWindowFactoryContext

public class VirtualDataWindowFactoryContext
extends Object

Context for use with virtual data window factory VirtualDataWindowFactory provides contextual information about the named window and the type of events held, handle for posting insert and remove streams and factory for event bean instances.

Constructor Summary

Constructors

Constructor and Description
VirtualDataWindowFactoryContext(EventType eventType, Object[] parameters, ExprNode[] parameterExpressions, EventBeanFactory eventFactory, String namedWindowName, ViewFactoryContext viewFactoryContext, Serializable customConfiguration) Ctor.

Method Summary

Modifier and Type	Method and Description
Serializable	getCustomConfiguration() Returns any additional configuration provided.
EventBeanFactory	getEventFactory() Returns the factory for creating instances of EventBean from rows.
EventType	getEventType() Returns the event type of the events held in the virtual data window as per declaration of the named window.
String	getNamedWindowName() Returns the name of the named window used in connection with the virtual data window.
ExprNode[]	getParameterExpressions() Returns the expressions passed as parameters to the virtual data window.
Object[]	getParameters() Returns the parameters passed; for example "create window ABC.my:vdw("10.0.0.1")" passes one paramater here.
StatementContext	getStatementContext() Returns the statement contextual information and services.
ViewFactoryContext	getViewFactoryContext() Returns the engine services context.

Methods inherited from class java.lang.Object

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

Constructor Detail

VirtualDataWindowFactoryContext

public VirtualDataWindowFactoryContext(EventType eventType,
                                       Object[] parameters,
                                       ExprNode[] parameterExpressions,
                                       EventBeanFactory eventFactory,
                                       String namedWindowName,
                                       ViewFactoryContext viewFactoryContext,
                                       Serializable customConfiguration)

Ctor.

Parameters:

eventType - the event type that the named window is declared to hold.

parameters - the parameters passed when declaring the named window, for example "create window ABC.my:vdw("10.0.0.1")" passes one paramater here.

eventFactory - factory for converting row objects to EventBean instances

namedWindowName - the name of the named window

parameterExpressions - parameter expressions passed to the virtual data window

viewFactoryContext - context of services

customConfiguration - additional configuration

Method Detail

getEventType

public EventType getEventType()

Returns the event type of the events held in the virtual data window as per declaration of the named window.

Returns:

event type

getParameters

public Object[] getParameters()

Returns the parameters passed; for example "create window ABC.my:vdw("10.0.0.1")" passes one paramater here.

Returns:

parameters

getEventFactory

public EventBeanFactory getEventFactory()

Returns the factory for creating instances of EventBean from rows.

Returns:

event bean factory

getNamedWindowName

public String getNamedWindowName()

Returns the name of the named window used in connection with the virtual data window.

Returns:

named window

getParameterExpressions

public ExprNode[] getParameterExpressions()

Returns the expressions passed as parameters to the virtual data window.

Returns:

parameter expressions

getViewFactoryContext

public ViewFactoryContext getViewFactoryContext()

Returns the engine services context.

Returns:

engine services context

getCustomConfiguration

public Serializable getCustomConfiguration()

Returns any additional configuration provided.

Returns:

additional config

getStatementContext

public StatementContext getStatementContext()

Returns the statement contextual information and services.

Returns:

statement context