org.axiondb

Class Literal

public class Literal extends BaseSelectable implements Selectable

A typedliteral value.

Version: $Revision: 1.16 $ $Date: 2005/12/20 18:32:40 $

Author: Rodney Waldhoff Chuck Burdick Ahimanikya Satapathy

Field Summary
protected Object	_value

Constructor Summary
	Literal(Object value)
	Literal(Object value, DataType type)
protected	Literal(DataType type)

Method Summary
boolean	equals(Object otherobject) Returns `true` iff otherobject is a Literalwhose name are equal to mine.
Object	evaluate()
Object	evaluate(RowDecorator row)
DataType	getDataType()
String	getLabel() Returns my Literal name.
String	getName() Returns the name of Literal, if any.
int	hashCode() Returns a hash code in keeping with the standard `Object#equals equals`/ `Object#hashCode hashCode`contract.
void	setDataType(DataType type)
String	toString() Returns a `String` representation of me, suitable for debugging output.

Field Detail

_value

protected Object _value

Constructor Detail

Literal

public Literal(Object value)

Literal

public Literal(Object value, DataType type)

Literal

protected Literal(DataType type)

Method Detail

equals

public boolean equals(Object otherobject)

Returns true iff otherobject is a Literalwhose name are equal to mine.

evaluate

public Object evaluate()

evaluate

public final Object evaluate(RowDecorator row)

Parameters: row is ignored and may be null.

See Also: Literal

getDataType

public DataType getDataType()

getLabel

public String getLabel()

Returns my Literal name.

getName

public String getName()

Returns the name of Literal, if any.

hashCode

public int hashCode()

Returns a hash code in keeping with the standard Object#equals equals/ Object#hashCode hashCodecontract.

setDataType

public void setDataType(DataType type)

toString

public String toString()

Returns a String representation of me, suitable for debugging output.