com.espertech.esper.client.soda

Class OnClause

java.lang.Object

com.espertech.esper.client.soda.OnClause

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

OnDeleteClause, OnInsertSplitStreamClause, OnMergeClause, OnMergeMatchItem, OnSelectClause, OnSetClause, OnUpdateClause

public abstract class OnClause
extends Object
implements Serializable

A clause to delete from a named window based on a triggering event arriving and correlated to the named window events to be deleted.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
OnClause() Ctor.

Method Summary

Modifier and Type	Method and Description
static OnDeleteClause	createOnDelete(String windowName, String asName) Creates an on-delete clause for deleting from a named window.
static OnInsertSplitStreamClause	createOnInsertSplitStream() Creates a split-stream clause.
static OnSelectClause	createOnSelect(String windowName, String asName) Creates an on-select clause for selecting from a named window.
static OnSetClause	createOnSet(Expression expression) Creates an on-set clause for setting variable values.
static OnUpdateClause	createOnUpdate(String windowName, String asName, Expression expression) Creates an on-update clause for updating a named window.

Methods inherited from class java.lang.Object

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

Constructor Detail

OnClause

public OnClause()

Ctor.

Method Detail

createOnDelete

public static OnDeleteClause createOnDelete(String windowName,
                                            String asName)

Creates an on-delete clause for deleting from a named window.

Parameters:

windowName - is the named window name

asName - is the as-provided name of the named window

Returns:

on-delete clause

createOnInsertSplitStream

public static OnInsertSplitStreamClause createOnInsertSplitStream()

Creates a split-stream clause.

Returns:

split-stream on-insert clause

createOnSelect

public static OnSelectClause createOnSelect(String windowName,
                                            String asName)

Creates an on-select clause for selecting from a named window.

Parameters:

windowName - is the named window name

asName - is the as-provided name of the named window

Returns:

on-select clause

createOnUpdate

public static OnUpdateClause createOnUpdate(String windowName,
                                            String asName,
                                            Expression expression)

Creates an on-update clause for updating a named window.

Parameters:

windowName - is the named window name

asName - is the as-provided name of the named window

expression - expression

Returns:

on-update clause

createOnSet

public static OnSetClause createOnSet(Expression expression)

Creates an on-set clause for setting variable values.

Parameters:

expression - is the assignment expression

Returns:

on-set clause