Package org.openrdf.query.parser

Examples of org.openrdf.query.parser.ParsedQuery

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        PrintStream ps = new PrintStream(out);

        try {
            TweetStoreConnection c = store.createConnection();
            try {
                ParsedQuery q = parseQuery(SELECT_DUMP_FIELDS);
                BindingSet bs = new MapBindingSet();
                SailConnection sc = c.getSailConnection();
                try {
                    sc.begin();
                    CloseableIteration<? extends BindingSet, QueryEvaluationException> results
                            = sc.evaluate(q.getTupleExpr(), q.getDataset(), bs, false);
                    try {
                        while (results.hasNext()) {
                            BindingSet r = results.next();
                            String timestamp = ((Literal) r.getBinding(TIMESTAMP).getValue()).getLabel().replaceAll("\t", " ");
                            String location = ((Literal) r.getBinding(LOCATION).getValue()).getLabel().replaceAll("\t", " ");
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        boolean useInference = false;
        // FIXME
        String baseURI = "http://example.org/bogusBaseURI/";

        ParsedQuery pq;
        try {
            pq = parser.parseQuery(query, baseURI);
        } catch (MalformedQueryException e) {
            throw new RippleException(e);
        }

        MapBindingSet bindings = new MapBindingSet();

        try {
            return sailConnection.evaluate(pq.getTupleExpr(), pq.getDataset(), bindings, useInference);
        } catch (SailException e) {
            throw new RippleException(e);
        }
    }
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    }

    private Collection<BindingSet> evaluate(final String queryStr) throws Exception {
        BindingSet bindings = new EmptyBindingSet();
        String baseURI = "http://example.org/baseUri#";
        ParsedQuery query;
        CloseableIteration<? extends BindingSet, QueryEvaluationException> results;
        query = parser.parseQuery(queryStr, baseURI);
        Collection<BindingSet> coll = new LinkedList<BindingSet>();
        results = sc.evaluate(query.getTupleExpr(), query.getDataset(), bindings, false);
        try {
            while (results.hasNext()) {
                coll.add(results.next());
            }
        } finally {
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  • edu.rpi.cs.datascience.EarthquakeTweets
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