io.siddhi.query.api.execution.query

Class OnDemandQuery

java.lang.Object

io.siddhi.query.api.execution.query.OnDemandQuery

All Implemented Interfaces:

SiddhiElement, Serializable

public class OnDemandQuery
extends Object
implements SiddhiElement

This class keep information of on-demand query.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	OnDemandQuery.OnDemandQueryType This enum is used to identify the type of a on-demand query.

Constructor Summary

Constructors

Constructor and Description
OnDemandQuery()

Method Summary

Modifier and Type	Method and Description
void	deleteBy(String outputTableId, Expression onDeletingExpression) Method to set a deleteStream as the outputStream of the on-demand query
boolean	equals(Object o)
OnDemandQuery	from(InputStore inputStore) Builder method to set input store to the on-demand query
InputStore	getInputStore() Getter for the input store
OutputStream	getOutputStream() Getter method to get the outputStream of the on-demand query
int[]	getQueryContextEndIndex()
int[]	getQueryContextStartIndex()
Selector	getSelector() Getter method to get the selector of the on-demand query
OnDemandQuery.OnDemandQueryType	getType() This method returns the type of given on-demand query.
int	hashCode()
OnDemandQuery	outStream(OutputStream outputStream) Builder method to set an outPutStream to the on-demand query
static OnDemandQuery	query() Builder method to get a new on-demand query instance
OnDemandQuery	select(Selector selector) Builder method to set a selector to the on-demand query
void	setQueryContextEndIndex(int[] lineAndColumn)
void	setQueryContextStartIndex(int[] lineAndColumn)
void	setType(OnDemandQuery.OnDemandQueryType type) This method sets the type of given on-demand query.
String	toString()
void	updateBy(String outputTableId, Expression onUpdateExpression) Method to set an updateStream as the outputStream of the on-demand query
void	updateBy(String outputTableId, UpdateSet updateSetAttributes, Expression onUpdateExpression) Method to set an updateStream as the outputStream of the on-demand query
void	updateOrInsertBy(String outputTableId, UpdateSet updateSetAttributes, Expression onUpdateExpression) Method to set an updateOrInsertStream as the outputStream of the on-demand query

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

OnDemandQuery

public OnDemandQuery()

Method Detail

query

public static OnDemandQuery query()

Builder method to get a new on-demand query instance

Returns:

a new OnDemandQuery instance

from

public OnDemandQuery from(InputStore inputStore)

Builder method to set input store to the on-demand query

Parameters:

inputStore - inputStore for the on-demand query

Returns:

updated on-demand query

getInputStore

public InputStore getInputStore()

Getter for the input store

Returns:

inputStore

select

public OnDemandQuery select(Selector selector)

Builder method to set a selector to the on-demand query

Parameters:

selector - selector for the on-demand query

Returns:

updated on-demand query

outStream

public OnDemandQuery outStream(OutputStream outputStream)

Builder method to set an outPutStream to the on-demand query

Parameters:

outputStream - outPutStream for the on-demand query

Returns:

updated on-demand query

deleteBy

public void deleteBy(String outputTableId,
                     Expression onDeletingExpression)

Method to set a deleteStream as the outputStream of the on-demand query

Parameters:

outputTableId - id of the table which is going to be queried

onDeletingExpression - expression for the delete operation defined in the on-demand query

updateBy

public void updateBy(String outputTableId,
                     Expression onUpdateExpression)

Method to set an updateStream as the outputStream of the on-demand query

Parameters:

outputTableId - id of the table which is going to be queried

onUpdateExpression - expression for the update operation defined in the on-demand query

updateBy

public void updateBy(String outputTableId,
                     UpdateSet updateSetAttributes,
                     Expression onUpdateExpression)

Method to set an updateStream as the outputStream of the on-demand query

Parameters:

outputTableId - id of the table which is going to be queried

updateSetAttributes - updateSet for the attributes which are going to be updated.

onUpdateExpression - expression for the update operation defined in the on-demand query

updateOrInsertBy

public void updateOrInsertBy(String outputTableId,
                             UpdateSet updateSetAttributes,
                             Expression onUpdateExpression)

Method to set an updateOrInsertStream as the outputStream of the on-demand query

Parameters:

outputTableId - id of the table which is going to be queried

updateSetAttributes - updateSet for the attributes which are going to be updated.

onUpdateExpression - expression for the update or insert operation defined in the on-demand query

getSelector

public Selector getSelector()

Getter method to get the selector of the on-demand query

Returns:

selector of the on-demand query

getOutputStream

public OutputStream getOutputStream()

Getter method to get the outputStream of the on-demand query

Returns:

outputStream of the on-demand query

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

getQueryContextStartIndex

public int[] getQueryContextStartIndex()

Specified by:

getQueryContextStartIndex in interface SiddhiElement

setQueryContextStartIndex

public void setQueryContextStartIndex(int[] lineAndColumn)

Specified by:

setQueryContextStartIndex in interface SiddhiElement

getQueryContextEndIndex

public int[] getQueryContextEndIndex()

Specified by:

getQueryContextEndIndex in interface SiddhiElement

setQueryContextEndIndex

public void setQueryContextEndIndex(int[] lineAndColumn)

Specified by:

setQueryContextEndIndex in interface SiddhiElement

getType

public OnDemandQuery.OnDemandQueryType getType()

This method returns the type of given on-demand query.

Returns:

type of given on-demand query

setType

public void setType(OnDemandQuery.OnDemandQueryType type)

This method sets the type of given on-demand query.