Package org.jrdf.query.expression

Interface Summary
Expression<V extends ExpressionVisitor> A pattern of triples applied to a graph to constrain the results of a query.
ExpressionVisitor Visits the various expression objects.
 

Class Summary
Conjunction<V extends ExpressionVisitor> Conjunction - represents an AND between two expressions.
Constraint<V extends ExpressionVisitor> A expression expression comprising a single expression.
ExpressionVisitorAdapter An adapter for ExpressionVisitor - allows an implementation to avoid having to implement all the methods.
Optional<V extends ExpressionVisitor>  
Projection<V extends ExpressionVisitor> Variables in a SELECT cause.
Union<V extends ExpressionVisitor>