org.openrdf.repository.contextaware
Class ContextQueryRewriter

java.lang.Object
  org.openrdf.query.algebra.helpers.QueryModelVisitorBase<RuntimeException>
      org.openrdf.repository.contextaware.ContextQueryRewriter

All Implemented Interfaces:

QueryModelVisitor<RuntimeException>

public class ContextQueryRewriter
extends QueryModelVisitorBase<RuntimeException>

Rewrites the query it the query laungage SERQO replacing all statement patterns with no context to use the assign context.

Author:

James Leigh

Constructor Summary

ContextQueryRewriter()

Method Summary

Resource[]	getContexts()
QueryLanguage	getQueryLanguage()
void	meet(StatementPattern node)
String	rewriteQuery(QueryLanguage ql, String query, String baseURI)
void	setContexts(Resource[] readContexts)

Methods inherited from class org.openrdf.query.algebra.helpers.QueryModelVisitorBase

meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meetBinaryTupleOperator, meetBinaryValueOperator, meetCompareSubQueryValueOperator, meetNode, meetSubQueryValueOperator, meetUnaryTupleOperator, meetUnaryValueOperator

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ContextQueryRewriter

public ContextQueryRewriter()

Method Detail

getContexts

public Resource[] getContexts()

setContexts

public void setContexts(Resource[] readContexts)

getQueryLanguage

public QueryLanguage getQueryLanguage()

rewriteQuery

public String rewriteQuery(QueryLanguage ql,
                           String query,
                           String baseURI)
                    throws MalformedQueryException,
                           UnsupportedQueryLanguageException

Throws:

MalformedQueryException

UnsupportedQueryLanguageException

meet

public void meet(StatementPattern node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class QueryModelVisitorBase<RuntimeException>

Throws:

RuntimeException