org.nsdl.mptstore.query.lang
Interface QueryCompiler

All Known Implementing Classes:

SPOQueryCompiler

public interface QueryCompiler

Converts an RDF query in some language to one or more SQL queries.

Author:

cwilper@cs.cornell.edu

Method Summary

SQLProvider

compile(java.lang.String queryText) Compile the given query.

Method Detail

compile

SQLProvider compile(java.lang.String queryText)
                    throws QueryException

Compile the given query.

Parameters:

queryText - the RDF query.

Returns:

SQLProvider provides the SQL and result column names.

Throws:

QueryException - if there's an error querying.