Examples with Resource org.eclipse.rdf4j.model.Resource used on opensource projects

Example 56 with Resource

use of org.eclipse.rdf4j.model.Resource in project rdf4j by eclipse.

the class GraphImpl method add.

public boolean add(Resource subj, IRI pred, Value obj, Resource... contexts) {
    OpenRDFUtil.verifyContextNotNull(contexts);
    boolean graphChanged = false;
    if (contexts.length == 0) {
        graphChanged = add(valueFactory.createStatement(subj, pred, obj));
    } else {
        for (Resource context : contexts) {
            graphChanged |= add(valueFactory.createStatement(subj, pred, obj, context));
        }
    }
    return graphChanged;
}

Example 57 with Resource

use of org.eclipse.rdf4j.model.Resource in project rdf4j by eclipse.

the class LinkedHashModel method add.

@Override
public boolean add(Resource subj, IRI pred, Value obj, Resource... contexts) {
    if (subj == null || pred == null || obj == null)
        throw new UnsupportedOperationException("Incomplete statement");
    Value[] ctxs = notNull(contexts);
    if (ctxs.length == 0) {
        ctxs = NULL_CTX;
    }
    boolean changed = false;
    for (Value ctx : ctxs) {
        ModelNode<Resource> s = asNode(subj);
        ModelNode<IRI> p = asNode(pred);
        ModelNode<Value> o = asNode(obj);
        ModelNode<Resource> c = asNode((Resource) ctx);
        ModelStatement st = new ModelStatement(s, p, o, c);
        changed |= addModelStatement(st);
    }
    return changed;
}

Example 58 with Resource

use of org.eclipse.rdf4j.model.Resource in project rdf4j by eclipse.

the class TreeModel method before.

private Statement before(Value subj, Value pred, Value obj, Value ctx) {
    Resource s = subj instanceof Resource ? (Resource) subj : BEFORE;
    IRI p = pred instanceof IRI ? (IRI) pred : BEFORE;
    Value o = obj instanceof Value ? obj : BEFORE;
    Resource c = ctx instanceof Resource ? (Resource) ctx : BEFORE;
    return new TreeStatement(s, p, o, c);
}

Example 59 with Resource

use of org.eclipse.rdf4j.model.Resource in project rdf4j by eclipse.

the class TreeModel method after.

private Statement after(Value subj, Value pred, Value obj, Value ctx) {
    Resource s = subj instanceof Resource ? (Resource) subj : AFTER;
    IRI p = pred instanceof IRI ? (IRI) pred : AFTER;
    Value o = obj instanceof Value ? obj : AFTER;
    Resource c = ctx instanceof Resource ? (Resource) ctx : AFTER;
    return new TreeStatement(s, p, o, c);
}

Example 60 with Resource

use of org.eclipse.rdf4j.model.Resource in project rdf4j by eclipse.

the class SPARQLConnection method createDataBody.

private void createDataBody(StringBuilder qb, Iterable<? extends Statement> statements, boolean ignoreContext) {
    for (Statement st : statements) {
        final Resource context = st.getContext();
        if (!ignoreContext) {
            if (context != null) {
                String namedGraph = context.stringValue();
                if (context instanceof BNode) {
                    // SPARQL does not allow blank nodes as named graph
                    // identifiers, so we need to skolemize
                    // the blank node id.
                    namedGraph = "urn:nodeid:" + context.stringValue();
                }
                qb.append("    GRAPH <" + namedGraph + "> { \n");
            }
        }
        if (st.getSubject() instanceof BNode) {
            qb.append("_:" + st.getSubject().stringValue() + " ");
        } else {
            qb.append("<" + st.getSubject().stringValue() + "> ");
        }
        qb.append("<" + st.getPredicate().stringValue() + "> ");
        if (st.getObject() instanceof Literal) {
            Literal lit = (Literal) st.getObject();
            qb.append("\"");
            qb.append(SPARQLUtil.encodeString(lit.getLabel()));
            qb.append("\"");
            if (Literals.isLanguageLiteral(lit)) {
                qb.append("@");
                qb.append(lit.getLanguage().get());
            } else {
                qb.append("^^<" + lit.getDatatype().stringValue() + ">");
            }
            qb.append(" ");
        } else if (st.getObject() instanceof BNode) {
            qb.append("_:" + st.getObject().stringValue() + " ");
        } else {
            qb.append("<" + st.getObject().stringValue() + "> ");
        }
        qb.append(". \n");
        if (!ignoreContext && context != null) {
            qb.append("    }\n");
        }
    }
}