Package com.hp.hpl.jena.rdql

RDQL - A query language for Jena.

See:
          Description

Interface Summary
Constraint  
Printable  
QueryExecution Interface for query execution engines.
QueryResults Results from a query in a "ResultSet"-like manner.
QueryResultsRewindable  
ResultBinding rdql2.ResultBinding
Var  
 

Class Summary
Environment  
Query The data structure for a query.
QueryEngine  
QueryPrintUtils  
QueryResultsFormatter Takes a QueryResult object and returns formatted (in various ways) Useful for the scripting interface.
QueryResultsMem  
QueryResultsStream The main QueryResults implementation for returning results from queries.
ResultBindingImpl A mapping from variable name to a value.
ResultBindingIterator Iterates over the variable names.
Value  
 

Exception Summary
EvalFailureException  
EvalTypeException  
QueryException QueryException is root exception for all (intentional) exceptions associated with query parsing and processing.
RDQL_InternalErrorException  
ValueException  
 

Package com.hp.hpl.jena.rdql Description

RDQL - A query language for Jena.

RDQL is an implementation of an SQL-like query language, derived from rdfDB. This class of query languages regards RDF as triple data, without schema or ontology information unless explicitly includes in the RDF source. RDQL provides a query syntax and query execution engine in Java, primarily for experimental and embedded applications.



Copyright © 2000, 2001, 2002, 2003, 2004, 2005 Hewlett-Packard Development Company, LP