org.wso2.siddhi.core.event.stream

Class MetaStreamEvent

java.lang.Object

org.wso2.siddhi.core.event.stream.MetaStreamEvent

All Implemented Interfaces:

MetaComplexEvent

public class MetaStreamEvent
extends Object
implements MetaComplexEvent

Class to hold meta info about StreamEvent. This is also used to update variable positions on executors

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	MetaStreamEvent.EventType Type of Meta Events

Constructor Summary

Constructors

Constructor and Description
MetaStreamEvent()

Method Summary

Modifier and Type	Method and Description
int	addData(org.wso2.siddhi.query.api.definition.Attribute attribute) Universal method to add data to MetaStream event.
void	addInputDefinition(org.wso2.siddhi.query.api.definition.AbstractDefinition inputDefinition)
void	addOutputData(org.wso2.siddhi.query.api.definition.Attribute attribute)
void	addOutputDataAllowingDuplicate(org.wso2.siddhi.query.api.definition.Attribute attribute)
List<org.wso2.siddhi.query.api.definition.Attribute>	getBeforeWindowData()
MetaStreamEvent.EventType	getEventType()
List<org.wso2.siddhi.query.api.definition.AbstractDefinition>	getInputDefinitions()
String	getInputReferenceId()
org.wso2.siddhi.query.api.definition.AbstractDefinition	getLastInputDefinition()
List<org.wso2.siddhi.query.api.definition.Attribute>	getOnAfterWindowData()
List<org.wso2.siddhi.query.api.definition.Attribute>	getOutputData()
org.wso2.siddhi.query.api.definition.StreamDefinition	getOutputStreamDefinition()
void	initializeAfterWindowData()
void	setEventType(MetaStreamEvent.EventType eventType)
void	setInputReferenceId(String inputReferenceId)
void	setOutputDefinition(org.wso2.siddhi.query.api.definition.StreamDefinition streamDefinition)

Methods inherited from class java.lang.Object

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

Constructor Detail

MetaStreamEvent

public MetaStreamEvent()

Method Detail

getBeforeWindowData

public List<org.wso2.siddhi.query.api.definition.Attribute> getBeforeWindowData()

getOnAfterWindowData

public List<org.wso2.siddhi.query.api.definition.Attribute> getOnAfterWindowData()

getOutputData

public List<org.wso2.siddhi.query.api.definition.Attribute> getOutputData()

initializeAfterWindowData

public void initializeAfterWindowData()

addData

public int addData(org.wso2.siddhi.query.api.definition.Attribute attribute)

Universal method to add data to MetaStream event. Will make sure event will be added to corresponding array by initializing them accordingly.

Parameters:

attribute - attribute

Returns:

attribute position

addOutputData

public void addOutputData(org.wso2.siddhi.query.api.definition.Attribute attribute)

addOutputDataAllowingDuplicate

public void addOutputDataAllowingDuplicate(org.wso2.siddhi.query.api.definition.Attribute attribute)

getInputDefinitions

public List<org.wso2.siddhi.query.api.definition.AbstractDefinition> getInputDefinitions()

addInputDefinition

public void addInputDefinition(org.wso2.siddhi.query.api.definition.AbstractDefinition inputDefinition)

getInputReferenceId

public String getInputReferenceId()

setInputReferenceId

public void setInputReferenceId(String inputReferenceId)

setOutputDefinition

public void setOutputDefinition(org.wso2.siddhi.query.api.definition.StreamDefinition streamDefinition)

Specified by:

setOutputDefinition in interface MetaComplexEvent

getOutputStreamDefinition

public org.wso2.siddhi.query.api.definition.StreamDefinition getOutputStreamDefinition()

Specified by:

getOutputStreamDefinition in interface MetaComplexEvent

getEventType

public MetaStreamEvent.EventType getEventType()

setEventType

public void setEventType(MetaStreamEvent.EventType eventType)

getLastInputDefinition

public org.wso2.siddhi.query.api.definition.AbstractDefinition getLastInputDefinition()