Package net.fortytwo.ripple.model

Examples of net.fortytwo.ripple.model.RippleList

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    }

    public void apply(final RippleList arg,
                      final Sink<RippleList> solutions,
                      final ModelConnection mc) throws RippleException {
        RippleList stack = arg;

        RippleValue l;

        l = stack.getFirst();
        final RippleList rest = stack.getRest();

        Sink<RippleList> listSink = new Sink<RippleList>() {
            public void put(final RippleList list) throws RippleException {
                boolean result = list.isNil();
                solutions.put(
                        rest.push(mc.valueOf(result)));
            }
        };

        mc.toList(l, listSink);
    }
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    }

    public void apply(final RippleList arg,
                      final Sink<RippleList> solutions,
                      final ModelConnection mc) throws RippleException {
        RippleList stack = arg;

        NumericValue a, result;

        a = mc.toNumericValue(stack.getFirst());
        stack = stack.getRest();

        result = mc.valueOf((int) Math.ceil(a.doubleValue()));

        solutions.put(
                stack.push(result));
    }
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                      final Sink<RippleList> solutions,
                      final ModelConnection mc) throws RippleException {

        Model model = mc.getModel();
        if (model instanceof SesameModel) {
            final RippleList stack = arg;

            final RippleValue obj = stack.getFirst();
            final RippleList rest = stack.getRest();

            Sink<Statement> stSink = new Sink<Statement>() {
                public void put(final Statement st) throws RippleException {
                    Resource context = st.getContext();

                    RippleValue subj = mc.canonicalValue(new RDFValue(st.getSubject()));
                    RippleValue pred = mc.canonicalValue(new RDFValue(st.getPredicate()));
                    RippleValue ctx = (null == context) ? mc.list() : mc.canonicalValue(new RDFValue(context));

                    solutions.put(rest.push(subj).push(pred).push(obj).push(ctx));
                }
            };

            mc.getStatements(null, null, obj.toRDF(mc), stSink);
        } else {
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    }

    public void apply(final RippleList arg,
                      final Sink<RippleList> solutions,
                      final ModelConnection mc) throws RippleException {
        RippleList stack = arg;
        RippleValue z, y, x;

        z = stack.getFirst();
        stack = stack.getRest();
        y = stack.getFirst();
        stack = stack.getRest();
        x = stack.getFirst();
        stack = stack.getRest();

        solutions.put(
                stack.push(y).push(x).push(z));
    }
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            // Forward traversal
            else if (null != subject && null == object) {
                if (!(subject instanceof RippleSesameValue)) {
                    subject = (Resource) valueFactory.nativize(subject);
                }
                RippleList stack = ((RippleSesameValue) subject).getStack();
                //System.out.println("\tstack = " + stack);
                if (null == stack) {
                    stack = modelConnection.list().push(modelConnection.canonicalValue(new RDFValue(subject)));

                    // Note: this may or may not be worth the extra CPU cycles.
                    ((RippleSesameValue) subject).setStack(stack);
                }

                stack = stack.push(modelConnection.canonicalValue(
                        new RDFValue(valueFactory.nativize(predicate)))).push(Operator.OP);
                //System.out.println("\t\tstack (new) = " + stack);

                CloseableIteration<RippleList, RippleException> solutions
                        = new LazyEvaluatingIterator(stack, modelConnection);
                /*
                Collector<StackContext, RippleException> solutions = new Collector<StackContext, RippleException>();
                evaluator.apply(new StackContext(stack, modelConnection), solutions);

                Collection<RippleList> stacks = new LinkedList<RippleList>();
                for (StackContext c : solutions) {
                    //System.out.println("\tsolution: " + c);
                    RippleList s = c.getStack();
                    if (!s.isNil()) {
                        stacks.add(s);
                    }
                }

                return new SolutionIteration(stacks.iterator(), false, subject, predicate, object, contexts);
                */

                return new SolutionIteration(solutions, false, subject, predicate, object, contexts);
            }

            // Backward traversal
            else if (null == subject) {
                if (!(object instanceof RippleSesameValue)) {
                    object = valueFactory.nativize(object);
                }
                RippleList stack = ((RippleSesameValue) object).getStack();
                if (null == stack) {
                    stack = modelConnection.list().push(modelConnection.canonicalValue(new RDFValue(object)));

                    // Note: this may or may not be worth the extra CPU cycles.
                    ((RippleSesameValue) object).setStack(stack);
                }

                stack = stack.push(modelConnection.canonicalValue(new RDFValue(predicate)))
                        .push(ControlLibrary.getInverseValue())
                        .push(Operator.OP)
                        .push(Operator.OP);
                //System.out.println("stack = " + stack);

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    public void apply(final RippleList arg,
                      final Sink<RippleList> solutions,
                      final ModelConnection mc) throws RippleException {

        RippleList stack = arg;

        RippleValue subj, pred, obj, ctx;

        ctx = stack.getFirst();
        stack = stack.getRest();
        obj = stack.getFirst();
        stack = stack.getRest();
        pred = stack.getFirst();
        stack = stack.getRest();
        subj = stack.getFirst();
        stack = stack.getRest();

        mc.remove(subj, pred, obj, ctx);

        // TODO: store added and removed statements in a buffer until the
        // ModelConnection commits.  You may not simply wait to commit,
        // as writing and then reading without first committing may result
        // in a deadlock.  The LinkedDataSail already does this sort of
        // buffering, which is why it does not deadlock w.r.t. its base
        // Sail.
        mc.commit();

        solutions.put(stack.push(subj));
    }
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    }

    public void apply(final RippleList arg,
                      final Sink<RippleList> solutions,
                      final ModelConnection mc) throws RippleException {
        RippleList stack = arg;

        NumericValue a, result;

        a = mc.toNumericValue(stack.getFirst());
        stack = stack.getRest();

        result = mc.valueOf(Math.exp(a.doubleValue()));

        solutions.put(
                stack.push(result));
    }
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    public void apply(final RippleList arg,
                      final Sink<RippleList> solutions,
                      final ModelConnection mc) throws RippleException {

        RippleList stack = arg;

        NumericValue a, result;

        a = mc.toNumericValue(stack.getFirst());
        stack = stack.getRest();

        result = a.abs();

        solutions.put(
                stack.push(result));
    }
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    public void apply(final RippleList arg,
                      final Sink<RippleList> solutions,
                      final ModelConnection mc) throws RippleException {

        RippleList stack = arg;

        RippleValue subj, pred, obj;

        obj = stack.getFirst();
        stack = stack.getRest();
        pred = stack.getFirst();
        stack = stack.getRest();
        subj = stack.getFirst();
        stack = stack.getRest();

        mc.remove(subj, pred, obj);

        // TODO: store added and removed statements in a buffer until the
        // ModelConnection commits.  You may not simply wait to commit,
        // as writing and then reading without first committing may result
        // in a deadlock.  The LinkedDataSail already does this sort of
        // buffering, which is why it does not deadlock w.r.t. its base
        // Sail.
        mc.commit();

        solutions.put(stack.push(subj));
    }
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        private void advanceToNext() throws SailException {
            try {
                nextStatement = null;
                if (iter.hasNext()) {
                    RippleList stack = iter.next();

                    if (inverse) {
                        Value subj = stack.getFirst().toRDF(modelConnection).sesameValue();
                        RippleSesameValue s = (RippleSesameValue) valueFactory.nativize(subj);
                        s.setStack(stack);

                        nextStatement = valueFactory.createStatement((Resource) s, predicate, object);
                        //System.out.println("nextStatement(1): " + nextStatement);
                    } else {
                        RDFValue r = stack.getFirst().toRDF(modelConnection);
                        Value obj;
                        RippleSesameValue o;
                        if (null == r) {
                            //System.out.println("stack = " + stack);
                            //System.out.println("subject = " + subject);
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Related Classes of net.fortytwo.ripple.model.RippleList

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  • net.fortytwo.ripple.cli.DatatypeSyntaxTest
  • net.fortytwo.ripple.cli.TurtleView
  • net.fortytwo.ripple.libs.blueprints.Head
  • net.fortytwo.ripple.libs.blueprints.Id
  • net.fortytwo.ripple.libs.blueprints.Label
  • net.fortytwo.ripple.libs.blueprints.Tail
  • net.fortytwo.ripple.libs.control.Branch
  • net.fortytwo.ripple.libs.control.Dipd
  • net.fortytwo.ripple.libs.control.Inverse
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