mondrian.olap

Class Id

java.lang.Object

mondrian.olap.QueryPart

mondrian.olap.ExpBase

mondrian.olap.Id

All Implemented Interfaces:

Cloneable, Exp

public class Id
extends ExpBase
implements Cloneable

Multi-part identifier.

Author:

jhyde, 21 January, 1999

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Id.KeySegment Identifier segment representing a key, possibly composite.
static class	Id.NameSegment Component in a compound identifier that describes the name of an object.
static class	Id.Quoting
static class	Id.Segment Component in a compound identifier.

Constructor Summary

Constructors

Constructor and Description
Id(Id.Segment segment) Creates an identifier containing a single part.
Id(List<Id.Segment> segments)

Method Summary

Modifier and Type	Method and Description
Object	accept(MdxVisitor visitor) Accepts a visitor to this Exp.
Exp	accept(Validator validator) Validates this expression.
Id	append(Id.Segment segment) Returns a new Identifier consisting of this one with another segment appended.
Id	clone()
int	getCategory() Returns the Category of the expression.
Id.Segment	getElement(int i)
List<Id.Segment>	getSegments()
Type	getType() Returns the type of this expression.
String	toString()
String[]	toStringArray()
void	unparse(PrintWriter pw) Writes a string representation of this parse tree node to the given writer.

Methods inherited from class mondrian.olap.ExpBase

accept, cloneArray, getTypes, unparseList

Methods inherited from class mondrian.olap.QueryPart

explain, getChildren

Methods inherited from class java.lang.Object

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

Constructor Detail

Id

public Id(Id.Segment segment)

Creates an identifier containing a single part.

Parameters:

segment - Segment, consisting of a name and quoting style

Id

public Id(List<Id.Segment> segments)

Method Detail

clone

public Id clone()

Specified by:

clone in interface Exp

Specified by:

clone in class ExpBase

getCategory

public int getCategory()

Description copied from interface: Exp

Returns the Category of the expression.

Specified by:

getCategory in interface Exp

getType

public Type getType()

Description copied from interface: Exp

Returns the type of this expression. Never null.

Specified by:

getType in interface Exp

toString

public String toString()

Overrides:

toString in class Object

toStringArray

public String[] toStringArray()

getSegments

public List<Id.Segment> getSegments()

getElement

public Id.Segment getElement(int i)

append

public Id append(Id.Segment segment)

Returns a new Identifier consisting of this one with another segment appended. Does not modify this Identifier.

Parameters:

segment - Name of segment

Returns:

New identifier

accept

public Exp accept(Validator validator)

Description copied from interface: Exp

Validates this expression. The validator acts in the role of 'visitor' (see Gang of Four 'visitor pattern'), and an expression in the role of 'visitee'.

Specified by:

accept in interface Exp

Parameters:

validator - Validator contains validation context

Returns:

The validated expression; often but not always the same as this expression

accept

public Object accept(MdxVisitor visitor)

Description copied from interface: Exp

Accepts a visitor to this Exp. The implementation should generally dispatches to the MdxVisitor.visit(mondrian.olap.Query) method appropriate to the type of expression.

Specified by:

accept in interface Exp

Parameters:

visitor - Visitor

unparse

public void unparse(PrintWriter pw)

Description copied from class: QueryPart

Writes a string representation of this parse tree node to the given writer.

Specified by:

unparse in interface Exp

Overrides:

unparse in class QueryPart

Parameters:

pw - writer