Java Code Examples for org.openrdf.model.Statement#getContext()

@Override
            public void handleStatement(final Statement stmt)
                    throws RDFHandlerException {

                final Resource s = stmt.getSubject();
                final URI p = stmt.getPredicate();
                final Value o = stmt.getObject();
                final Resource c = stmt.getContext() == null ? this.context
                        : stmt.getContext();

//                if (log.isDebugEnabled())
//                    log.debug("<" + s + "," + p + "," + o + "," + c + ">");

                buffer.add(s, p, o, c, StatementEnum.Explicit);

                n++;

            }
 

private void doRemoveStatement(final Statement stmt) throws SailException {

         final Resource[] c = (Resource[]) (stmt.getContext() == null ? defaultContext
               : new Resource[] { stmt.getContext() });

         conn.removeStatements(//
               stmt.getSubject(), //
               stmt.getPredicate(), //
               stmt.getObject(), //
               c);

         if (c.length >= 2) {
            // removed from more than one context
            nmodified.addAndGet(c.length);
         } else {
            nmodified.incrementAndGet();
         }

      }
 

@Override
public void handleStatement(Statement arg0) throws RDFHandlerException {

	try {

		_writer.write("<p>");
		NTriplesUtil.append(arg0.getSubject(), _writer);
		_writer.write(" ");
		NTriplesUtil.append(arg0.getPredicate(), _writer);
		_writer.write(" ");
		NTriplesUtil.append(arg0.getObject(), _writer);

		if (arg0.getContext() != null) {
			_writer.write(" ");
			NTriplesUtil.append(arg0.getContext(), _writer);
		}

		_writer.write(" .");
		_writer.write("<p/>");

	} catch (IOException e) {
		throw new RDFHandlerException(e);
	}
}
 

@Override
public void handleStatement(final Statement stmt)
        throws RDFHandlerException {

    final Resource[] c = (Resource[]) 
            (stmt.getContext() == null 
            ?  defaultContext
            : new Resource[] { stmt.getContext() }); 
    
    addStatement(stmt, c);

}
 

@Override
public void handleStatement(final Statement stmt)
        throws RDFHandlerException {

	final Resource[] c = (Resource[]) 
			(stmt.getContext() == null 
			?  defaultContext
            : new Resource[] { stmt.getContext() }); 
	
    try {

        conn.addStatement(//
                stmt.getSubject(), //
                stmt.getPredicate(), //
                stmt.getObject(), //
                c
                );

    } catch (SailException e) {

        throw new RDFHandlerException(e);

    }

    if (c.length >= 2) {
        // added to more than one context
        nmodified.addAndGet(c.length);
    } else {
        nmodified.incrementAndGet();
    }

}
 

@Override
public void handleStatement(final Statement stmt)
        throws RDFHandlerException {

	final Resource[] c = (Resource[]) 
			(stmt.getContext() == null 
			?  defaultContext
            : new Resource[] { stmt.getContext() }); 
	
    try {

        conn.removeStatements(//
                stmt.getSubject(), //
                stmt.getPredicate(), //
                stmt.getObject(), //
                c
                );

    } catch (SailException e) {

        throw new RDFHandlerException(e);

    }

    if (c.length >= 2) {
        // removed from more than one context
        nmodified.addAndGet(c.length);
    } else {
        nmodified.incrementAndGet();
    }

}
 

@Override
public void handleStatement(Statement st) throws RDFHandlerException {
    final MapBindingSet bs = new MapBindingSet();
    bs.addBinding("subject", st.getSubject());
    bs.addBinding("predicate", st.getPredicate());
    bs.addBinding("object", st.getObject());
    if (st.getContext() != null)
        bs.addBinding("context", st.getContext());
    try {
        writer.handleSolution(bs);
    } catch (TupleQueryResultHandlerException e) {
        throw new RDFHandlerException(e);
    }
}
 

/**
 * Converts a statement to an array of its RDF values.
 * 
 * @param stmt - statement to be converted
 * @return array containing the RDF values comprised in the statement.
 */
public static Value[] toValueArray(Statement stmt) {

	Value[] out = new Value[stmt.getContext() == null ? 3 : 4];
	out[0] = stmt.getSubject();
	out[1] = stmt.getPredicate();
	out[2] = stmt.getObject();

	if (stmt.getContext() != null) {
		out[3] = stmt.getContext();
	}

	return out;
}
 

public CloseableIteration<BindingSet, QueryEvaluationException> evaluate(RangeStatementPattern sp, final BindingSet bindings)
		throws QueryEvaluationException {

	CloseableIteration<? extends Statement, QueryEvaluationException> stIter = null;

	if (tripleSource instanceof CumulusRDFSailConnection.CumulusRDFTripleSource) {

		final Var subjVar = sp.getSubjectVar();
		final Var predVar = sp.getPredicateVar();
		final Var objVar = sp.getObjectVar();
		final Var conVar = sp.getContextVar();

		final boolean upper_equals = sp.getUpperBoundEquals(), lower_equals = sp.getLowerBoundEquals();

		final Value subjValue = getVarValue(subjVar, bindings);
		final Value predValue = getVarValue(predVar, bindings);

		final boolean reverse = !sp.isAscending();

		stIter = ((CumulusRDFSailConnection.CumulusRDFTripleSource) tripleSource).getRangeStatements((Resource) subjValue, (URI) predValue,
				sp.getLowerBound(), lower_equals, sp.getUpperBound(), upper_equals, sp.getEquals(), reverse);

		return new ConvertingIteration<Statement, BindingSet, QueryEvaluationException>(stIter) {

			@Override
			protected BindingSet convert(Statement st) {
				QueryBindingSet result = new QueryBindingSet(bindings);

				if (subjVar != null && !result.hasBinding(subjVar.getName())) {
					result.addBinding(subjVar.getName(), st.getSubject());
				}
				if (predVar != null && !result.hasBinding(predVar.getName())) {
					result.addBinding(predVar.getName(), st.getPredicate());
				}
				if (objVar != null && !result.hasBinding(objVar.getName())) {
					result.addBinding(objVar.getName(), st.getObject());
				}
				if (conVar != null && !result.hasBinding(conVar.getName()) && st.getContext() != null) {
					result.addBinding(conVar.getName(), st.getContext());
				}

				return result;
			}
		};

	} else {
		throw new UnsupportedOperationException("RangeEvaluationStrategy can only be used with CumulusRdfStore!");
	}

}
 

public void handleStatement(final Statement stmt)
		throws RDFHandlerException {

	if (!parsing.get()) {
		// Either shutdown or never started.
		throw new IllegalStateException();
	}

	try {

		bufferValue((BigdataValue) stmt.getSubject());

		bufferValue((BigdataValue) stmt.getPredicate());

		bufferValue((BigdataValue) stmt.getObject());

		if (stmt.getContext() != null) {

			bufferValue((BigdataValue) stmt.getContext());

		}

	} catch (InterruptedException ex) {
		
		// Interrupted while blocked on the valueQueue
		throw new RDFHandlerException(ex);
		
	}

	c.nstmts.incrementAndGet();

}
 

@Override
public void handleStatement(final Statement stmt) {

    if (log.isDebugEnabled()) {

        log.debug(stmt);
        
    }

    Resource graph = stmt.getContext() ;
    
    if (null == graph && null != defaultGraphURI) {
        
        /*
         * Only true when we know we are loading a quad store.
         */

        graph = defaultGraphURI;
        
    }

    // buffer the write (handles overflow).
    buffer.add(stmt.getSubject(), stmt.getPredicate(), stmt.getObject(),
            graph);

    stmtsAdded++;
    
    if ( stmtsAdded % 100000 == 0 ) {
        
        notifyListeners();
        
    }
    
}
 

public void handleStatement(final Statement stmt)
        throws RDFHandlerException {

    final ListBindingSet bset = new ListBindingSet();
    
    bset.set(s, asConst(stmt.getSubject()));
    
    bset.set(p, asConst(stmt.getPredicate()));
    
    bset.set(o, asConst(stmt.getObject()));

    Resource context = stmt.getContext();
    
    if (stripContext) {
        
        // Strip off the context position.
        context = null;
    }

    if (quads && context == null) {

        // Use the default context.
        context = targetUri;
        
    }

    if (quads && context == null) {

        throw new RuntimeException(
                "Quads mode, but data are triples and the target graph was not specified: "
                        + uriStr);

    }

    if (context != null) {

        /*
         * Bind [c] if available regardless of the database mode.
         * This stops people from loading quads data into a triples
         * or SIDs database in a way which throws away the context
         * when they are not expecting that.
         */

        bset.set(c, asConst(context));

    }

    unsyncBuffer.add(bset);

    stats.toldTriples.increment();

}