com.espertech.esper.client.soda

Class OnMergeMatchedInsertAction

java.lang.Object

com.espertech.esper.client.soda.OnMergeMatchedInsertAction

All Implemented Interfaces:

OnMergeMatchedAction, Serializable

public class OnMergeMatchedInsertAction
extends Object
implements OnMergeMatchedAction

For use with on-merge clauses, inserts into a named window if matching rows are not found.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
OnMergeMatchedInsertAction() Ctor.
OnMergeMatchedInsertAction(List<String> columnNames, List<SelectClauseElement> selectList, Expression whereClause, String optionalStreamName) Ctor.

Method Summary

Modifier and Type	Method and Description
List<String>	getColumnNames() Returns the insert-into column names, if provided.
String	getOptionalStreamName() Returns the insert-into stream name.
List<SelectClauseElement>	getSelectList() Returns the select expressions.
Expression	getWhereClause() Returns the action condition, or null if undefined.
void	setColumnNames(List<String> columnNames) Sets the insert-into column names, can be empty list.
void	setOptionalStreamName(String optionalStreamName) Sets the insert-into stream name.
void	setSelectList(List<SelectClauseElement> selectList) Sets the select expressions.
void	setWhereClause(Expression whereClause) Sets the action condition, or null if undefined.
void	toEPL(StringWriter writer) Render to EPL.

Methods inherited from class java.lang.Object

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

Constructor Detail

OnMergeMatchedInsertAction

public OnMergeMatchedInsertAction(List<String> columnNames,
                                  List<SelectClauseElement> selectList,
                                  Expression whereClause,
                                  String optionalStreamName)

Ctor.

Parameters:

columnNames - insert-into column names, or empty list if none provided

selectList - select expression list

whereClause - optional condition or null

optionalStreamName - optionally a stream name for insert-into

OnMergeMatchedInsertAction

public OnMergeMatchedInsertAction()

Ctor.

Method Detail

getWhereClause

public Expression getWhereClause()

Returns the action condition, or null if undefined.

Returns:

condition

setWhereClause

public void setWhereClause(Expression whereClause)

Sets the action condition, or null if undefined.

Parameters:

whereClause - to set, or null to remove the condition

getColumnNames

public List<String> getColumnNames()

Returns the insert-into column names, if provided.

Returns:

column names

setColumnNames

public void setColumnNames(List<String> columnNames)

Sets the insert-into column names, can be empty list.

Parameters:

columnNames - column names to set

getSelectList

public List<SelectClauseElement> getSelectList()

Returns the select expressions.

Returns:

expression list

setSelectList

public void setSelectList(List<SelectClauseElement> selectList)

Sets the select expressions.

Parameters:

selectList - expression list

getOptionalStreamName

public String getOptionalStreamName()

Returns the insert-into stream name.

Returns:

stream name

setOptionalStreamName

public void setOptionalStreamName(String optionalStreamName)

Sets the insert-into stream name.

Parameters:

optionalStreamName - stream name to insert into

toEPL

public void toEPL(StringWriter writer)

Description copied from interface: OnMergeMatchedAction

Render to EPL.

Specified by:

toEPL in interface OnMergeMatchedAction

Parameters:

writer - to render to