com.espertech.esper.client.soda

Class CreateWindowClause

java.lang.Object

com.espertech.esper.client.soda.CreateWindowClause

All Implemented Interfaces:

Serializable

public class CreateWindowClause
extends Object
implements Serializable

Create a named window, defining the parameter of the named window such as window name and data window view name(s).

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
CreateWindowClause() Ctor.
CreateWindowClause(String windowName, List<View> views) Ctor.
CreateWindowClause(String windowName, View[] viewArr) Ctor.

Method Summary

Modifier and Type	Method and Description
void	addColumn(SchemaColumnDesc col) Adds a column for use when create-table syntax is used to define the named window type.
CreateWindowClause	addView(String name) Adds an un-parameterized view to the named window.
CreateWindowClause	addView(String name, Expression... parameters) Adds a parameterized view to the named window.
CreateWindowClause	addView(String name, List<Expression> parameters) Adds a parameterized view to the named window.
CreateWindowClause	addView(String namespace, String name) Adds an un-parameterized view to the named window.
CreateWindowClause	addView(String namespace, String name, Expression... parameters) Adds a parameterized view to the named window.
CreateWindowClause	addView(String namespace, String name, List<Expression> parameters) Adds a parameterized view to the named window.
static CreateWindowClause	create(String windowName, View... views) Creates a clause to create a named window.
static CreateWindowClause	create(String windowName, View view) Creates a clause to create a named window.
List<SchemaColumnDesc>	getColumns() Returns all columns for use when create-table syntax is used to define the named window type.
boolean	getInsert() Returns true if inserting from another named window, false if not.
Expression	getInsertWhereClause() Filter expression for inserting from another named window, or null if not inserting from another named window.
List<View>	getViews() Returns the views onto the named window.
String	getWindowName() Returns the window name.
CreateWindowClause	insert(boolean insert) Sets flag indicating that an insert from another named window should take place at the time of window creation.
CreateWindowClause	insertWhereClause(Expression insertWhereClause) Sets the filter expression for inserting from another named window
boolean	isInsert() Returns true if inserting from another named window, false if not.
void	setColumns(List<SchemaColumnDesc> columns) Sets the columns for use when create-table syntax is used to define the named window type.
void	setInsert(boolean insert) Sets flag indicating that an insert from another named window should take place at the time of window creation.
void	setInsertWhereClause(Expression insertWhereClause) Sets the filter expression for inserting from another named window
void	setViews(List<View> views) Sets the views onto the named window.
void	setWindowName(String windowName) Sets the window name.
void	toEPL(StringWriter writer) Renders the clause in textual representation.
void	toEPLCreateTablePart(StringWriter writer) To-EPL for create-table syntax.
void	toEPLInsertPart(StringWriter writer) Renders the clause in textual representation.

Methods inherited from class java.lang.Object

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

Constructor Detail

CreateWindowClause

public CreateWindowClause()

Ctor.

CreateWindowClause

public CreateWindowClause(String windowName,
                          View[] viewArr)

Ctor.

Parameters:

windowName - is the name of the window to create

viewArr - is the list of data window views

CreateWindowClause

public CreateWindowClause(String windowName,
                          List<View> views)

Ctor.

Parameters:

windowName - is the name of the window to create

views - is a list of data window views

Method Detail

create

public static CreateWindowClause create(String windowName,
                                        View view)

Creates a clause to create a named window.

Parameters:

windowName - is the name of the named window

view - is a data window view

Returns:

create window clause

create

public static CreateWindowClause create(String windowName,
                                        View... views)

Creates a clause to create a named window.

Parameters:

windowName - is the name of the named window

views - is the data window views

Returns:

create window clause

addView

public CreateWindowClause addView(String namespace,
                                  String name)

Adds an un-parameterized view to the named window.

Parameters:

namespace - is the view namespace, for example "win" for most data windows

name - is the view name, for example "length" for a length window

Returns:

named window creation clause

addView

public CreateWindowClause addView(String name)

Adds an un-parameterized view to the named window.

Parameters:

name - is the view name, for example "length" for a length window

Returns:

named window creation clause

addView

public CreateWindowClause addView(String namespace,
                                  String name,
                                  List<Expression> parameters)

Adds a parameterized view to the named window.

Parameters:

namespace - is the view namespace, for example "win" for most data windows

name - is the view name, for example "length" for a length window

parameters - is a list of view parameters

Returns:

named window creation clause

addView

public CreateWindowClause addView(String name,
                                  List<Expression> parameters)

Adds a parameterized view to the named window.

Parameters:

name - is the view name, for example "length" for a length window

parameters - is a list of view parameters

Returns:

named window creation clause

addView

public CreateWindowClause addView(String namespace,
                                  String name,
                                  Expression... parameters)

Adds a parameterized view to the named window.

Parameters:

namespace - is the view namespace, for example "win" for most data windows

name - is the view name, for example "length" for a length window

parameters - is a list of view parameters

Returns:

named window creation clause

addView

public CreateWindowClause addView(String name,
                                  Expression... parameters)

Adds a parameterized view to the named window.

Parameters:

name - is the view name, for example "length" for a length window

parameters - is a list of view parameters

Returns:

named window creation clause

toEPL

public void toEPL(StringWriter writer)

Renders the clause in textual representation.

Parameters:

writer - to output to

toEPLInsertPart

public void toEPLInsertPart(StringWriter writer)

Renders the clause in textual representation.

Parameters:

writer - to output to

getWindowName

public String getWindowName()

Returns the window name.

Returns:

window name

setWindowName

public void setWindowName(String windowName)

Sets the window name.

Parameters:

windowName - is the name to set

getViews

public List<View> getViews()

Returns the views onto the named window.

Returns:

named window data views

isInsert

public boolean isInsert()

Returns true if inserting from another named window, false if not.

Returns:

insert from named window

getInsert

public boolean getInsert()

Returns true if inserting from another named window, false if not.

Returns:

insert from named window

getInsertWhereClause

public Expression getInsertWhereClause()

Filter expression for inserting from another named window, or null if not inserting from another named window.

Returns:

filter expression

insert

public CreateWindowClause insert(boolean insert)

Sets flag indicating that an insert from another named window should take place at the time of window creation.

Parameters:

insert - true for insert from another named window

Returns:

clause

setInsert

public void setInsert(boolean insert)

Sets flag indicating that an insert from another named window should take place at the time of window creation.

Parameters:

insert - true for insert from another named window

insertWhereClause

public CreateWindowClause insertWhereClause(Expression insertWhereClause)

Sets the filter expression for inserting from another named window

Parameters:

insertWhereClause - filter expression

Returns:

create window clause

setInsertWhereClause

public void setInsertWhereClause(Expression insertWhereClause)

Sets the filter expression for inserting from another named window

Parameters:

insertWhereClause - filter expression

setViews

public void setViews(List<View> views)

Sets the views onto the named window.

Parameters:

views - to set

getColumns

public List<SchemaColumnDesc> getColumns()

Returns all columns for use when create-table syntax is used to define the named window type.

Returns:

columns

addColumn

public void addColumn(SchemaColumnDesc col)

Adds a column for use when create-table syntax is used to define the named window type.

Parameters:

col - column to add

setColumns

public void setColumns(List<SchemaColumnDesc> columns)

Sets the columns for use when create-table syntax is used to define the named window type.

Parameters:

columns - to set

toEPLCreateTablePart

public void toEPLCreateTablePart(StringWriter writer)

To-EPL for create-table syntax.

Parameters:

writer - to use