org.openrdf.sesame.sail.query
Class Var

java.lang.Object
  org.openrdf.sesame.sail.query.Var

All Implemented Interfaces:

StringExpr, ValueExpr

public class Var

extends Object

implements ValueExpr

A variable that can contain a Value.

Author:

Arjohn Kampman

Constructor Summary

Var(String name)

Var(String name, Value value)

Method Summary

boolean	equals(Object other)
String	getName()
String	getString() Gets the String value for this expression.
Value	getValue() Gets the value of this expression.
void	getVariables(Collection variables) Gets all variables that are used in this StringExpr.
int	hashCode()
boolean	hasValue()
boolean	isAnonymous()
void	setAnonymous(boolean anonymous)
void	setValue(Value value)
String	toString()

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Var

public Var(String name)

Var

public Var(String name,
           Value value)

Method Detail

setAnonymous

public void setAnonymous(boolean anonymous)

isAnonymous

public boolean isAnonymous()

getName

public String getName()

setValue

public void setValue(Value value)

hasValue

public boolean hasValue()

getValue

public Value getValue()

Description copied from interface: ValueExpr

Gets the value of this expression.

Specified by:

getValue in interface ValueExpr

getString

public String getString()

Description copied from interface: StringExpr

Gets the String value for this expression.

Specified by:

getString in interface StringExpr

getVariables

public void getVariables(Collection variables)

Description copied from interface: StringExpr

Gets all variables that are used in this StringExpr.

Specified by:

getVariables in interface StringExpr

Parameters:

variables - a Collection to add relevant Var objects to.

equals

public boolean equals(Object other)

hashCode

public int hashCode()

toString

public String toString()