public virtual void PrintEnhancedSPARQL(TripleImpl pattern)
{
if (CurrentSparqlContext != SparqlContext.QueryContext)
{
pattern.Print(this);
return;
}
IResource graphContext = null;
if (_currentGraphContext.Count > 0)
{
graphContext = _currentGraphContext.Peek();
}
else
{
graphContext = SPINFactory.createVariable(Dataset.spinProcessor, GetAnonVariable());
}
String surrogate = null;
if (CurrentSparqlContext == SparqlContext.QueryContext)
{
surrogate = CreateGraphMapping(graphContext);
if (!String.IsNullOrEmpty(surrogate))
{
print("{ ");
}
}
print(" GRAPH ");
if (graphContext.isUri())
{
printURIResource(graphContext);
}
else
{
printVariable(graphContext.getString(SP.PropertyVarName));
}
print(" {");
println(1);
pattern.Print(this);
if (!String.IsNullOrEmpty(surrogate))
{
print(". FILTER (NOT EXISTS{ GRAPH ?" + surrogate + " { ");
pattern.print(pattern.getSubject(), this);
print(" dnr:resets ");
pattern.print(pattern.getPredicate(), this, false);
print("} })");
}
println(-1);
print("} ");
if (!String.IsNullOrEmpty(surrogate))
{
print("} UNION { GRAPH ");
printVariable(surrogate);
print(" {");
println(1);
pattern.Print(this);
println(-1);
print("} }");
}
print(" .");
println();
}
