org.jrdf.query.expression
Class Optional<V extends ExpressionVisitor>

java.lang.Object
  org.jrdf.query.expression.Optional<V>

All Implemented Interfaces:

Serializable, Expression<V>

public final class Optional<V extends ExpressionVisitor>
extends Object
implements Expression<V>, Serializable

See Also:

Serialized Form

Constructor Summary

Optional(Expression<V> rhs)

Optional(Expression<V> lhs, Expression<V> rhs)

Method Summary

void	accept(V v)
boolean	equals(Object obj)
Expression<V>	getLhs()
Expression<V>	getRhs()
int	hashCode()
void	setLhs(Expression<V> lhs)
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Optional

public Optional(Expression<V> lhs,
                Expression<V> rhs)

Optional

public Optional(Expression<V> rhs)

Method Detail

setLhs

public void setLhs(Expression<V> lhs)

getLhs

public Expression<V> getLhs()

getRhs

public Expression<V> getRhs()

accept

public void accept(V v)

Specified by:

accept in interface Expression<V extends ExpressionVisitor>

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object