com.espertech.esper.epl.spec

Class CreateWindowDesc

java.lang.Object

com.espertech.esper.epl.spec.CreateWindowDesc

All Implemented Interfaces:

MetaDefItem, Serializable

public class CreateWindowDesc
extends Object
implements MetaDefItem, Serializable

Specification for creating a named window.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
CreateWindowDesc(String windowName, List<ViewSpec> viewSpecs, StreamSpecOptions streamSpecOptions, boolean insert, ExprNode insertFilter, List<ColumnDesc> columns, String asEventTypeName) Ctor.

Method Summary

Modifier and Type	Method and Description
String	getAsEventTypeName()
List<ColumnDesc>	getColumns() Returns column names and types.
ExprNode	getInsertFilter() Returns the expression to filter insert-from events, or null if none supplied.
String	getInsertFromWindow() Returns the window name to insert from.
StreamSpecOptions	getStreamSpecOptions() Returns the options for the stream such as unidirectional, retain-union etc.
List<ViewSpec>	getViewSpecs() Returns the view specifications.
String	getWindowName() Returns the window name.
boolean	isInsert() Returns true for insert-from.
void	setInsertFilter(ExprNode insertFilter) Sets the filter expression to use to apply
void	setInsertFromWindow(String insertFromWindow) Sets the source named window if inserting from another named window.

Methods inherited from class java.lang.Object

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

Constructor Detail

CreateWindowDesc

public CreateWindowDesc(String windowName,
                        List<ViewSpec> viewSpecs,
                        StreamSpecOptions streamSpecOptions,
                        boolean insert,
                        ExprNode insertFilter,
                        List<ColumnDesc> columns,
                        String asEventTypeName)

Ctor.

Parameters:

windowName - the window name

viewSpecs - the view definitions

insert - true for insert-info

insertFilter - optional filter expression

streamSpecOptions - options such as retain-union etc

columns - list of columns, if using column syntax

asEventTypeName - as-type

Method Detail

getWindowName

public String getWindowName()

Returns the window name.

Returns:

window name

getViewSpecs

public List<ViewSpec> getViewSpecs()

Returns the view specifications.

Returns:

view specs

isInsert

public boolean isInsert()

Returns true for insert-from.

Returns:

indicator to insert from another named window

getInsertFilter

public ExprNode getInsertFilter()

Returns the expression to filter insert-from events, or null if none supplied.

Returns:

insert filter expression

getInsertFromWindow

public String getInsertFromWindow()

Returns the window name to insert from.

Returns:

window name to insert from

setInsertFilter

public void setInsertFilter(ExprNode insertFilter)

Sets the filter expression to use to apply

Parameters:

insertFilter - filter

setInsertFromWindow

public void setInsertFromWindow(String insertFromWindow)

Sets the source named window if inserting from another named window.

Parameters:

insertFromWindow - source named window

getStreamSpecOptions

public StreamSpecOptions getStreamSpecOptions()

Returns the options for the stream such as unidirectional, retain-union etc.

Returns:

stream options

getColumns

public List<ColumnDesc> getColumns()

Returns column names and types.

Returns:

column descriptors

getAsEventTypeName

public String getAsEventTypeName()