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>