com.espertech.esper.client.soda

Class OnMergeMatchedUpdateAction

java.lang.Object

com.espertech.esper.client.soda.OnMergeMatchedUpdateAction

All Implemented Interfaces:

OnMergeMatchedAction, Serializable

public class OnMergeMatchedUpdateAction
extends Object
implements OnMergeMatchedAction

For use with on-merge clauses, updates rows in a named window if matching rows are found.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
OnMergeMatchedUpdateAction() Ctor.
OnMergeMatchedUpdateAction(List<Assignment> assignments, Expression whereClause) Ctor.

Method Summary

Modifier and Type	Method and Description
List<Assignment>	getAssignments() Returns the assignments to execute against any rows found in a named window
Expression	getWhereClause() Returns the action condition, or null if undefined.
void	setAssignments(List<Assignment> assignments) Sets the assignments to execute against any rows found in a named window
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

OnMergeMatchedUpdateAction

public OnMergeMatchedUpdateAction()

Ctor.

OnMergeMatchedUpdateAction

public OnMergeMatchedUpdateAction(List<Assignment> assignments,
                                  Expression whereClause)

Ctor.

Parameters:

assignments - assignments of values to columns

whereClause - optional condition or null

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

getAssignments

public List<Assignment> getAssignments()

Returns the assignments to execute against any rows found in a named window

Returns:

assignments

setAssignments

public void setAssignments(List<Assignment> assignments)

Sets the assignments to execute against any rows found in a named window

Parameters:

assignments - to set

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