List of prepareBooleanQuery() Examples

Examples of prepareBooleanQuery()

com.bigdata.rdf.sail.BigdataSailRepositoryConnection.prepareBooleanQuery()
org.openrdf.repository.RepositoryConnection.prepareBooleanQuery()
Prepares true/false queries. In case the query contains relative URIs that need to be resolved against an external base URI, one should use {@link #prepareBooleanQuery(QueryLanguage,String,String)}instead. @param ql The query language in which the query is formulated. @param query The query string. @throws IllegalArgumentException If the supplied query is not a boolean query. @throws MalformedQueryException If the supplied query is malformed. @throws UnsupportedQueryLanguageException If the supplied query language is not supported.

Examples of org.openrdf.repository.RepositoryConnection.prepareBooleanQuery()

        conn.begin();
        Assert.assertTrue(conn.size() > 0);


        // run a SPARQL test to see if the returned data is correct
        InputStream sparql = this.getClass().getResourceAsStream("ohloh-marmotta.sparql");
        BooleanQuery testLabel = conn.prepareBooleanQuery(QueryLanguage.SPARQL, IOUtils.toString(sparql));
        Assert.assertTrue("SPARQL test query failed", testLabel.evaluate());


        conn.commit();
        conn.close();
    }

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Examples of org.openrdf.repository.RepositoryConnection.prepareBooleanQuery()

        conArticle.begin();
        Assert.assertTrue(conArticle.size() > 0);


        // run a SPARQL test to see if the returned data is correct
        InputStream sparql = this.getClass().getResourceAsStream("wikipedia-marmot.sparql");
        BooleanQuery testLabel = conArticle.prepareBooleanQuery(QueryLanguage.SPARQL, IOUtils.toString(sparql));
        Assert.assertTrue("SPARQL test query failed", testLabel.evaluate());


        if(log.isDebugEnabled()) {
            StringWriter out = new StringWriter();
            conArticle.export(Rio.createWriter(RDFFormat.TURTLE, out));

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Examples of org.openrdf.repository.RepositoryConnection.prepareBooleanQuery()

        conLMFVideo.begin();
        Assert.assertTrue(conLMFVideo.size() > 0);


        // run a SPARQL test to see if the returned data is correct
        InputStream sparql = this.getClass().getResourceAsStream("youtube-lmf-video.sparql");
        BooleanQuery testLabel = conLMFVideo.prepareBooleanQuery(QueryLanguage.SPARQL, IOUtils.toString(sparql));
        Assert.assertTrue("SPARQL test query failed", testLabel.evaluate());


        if(log.isDebugEnabled()) {
            StringWriter out = new StringWriter();
            conLMFVideo.export(Rio.createWriter(RDFFormat.TURTLE, out));

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Examples of org.openrdf.repository.RepositoryConnection.prepareBooleanQuery()

        conLMFVideo.begin();
        Assert.assertTrue(conLMFVideo.size() > 0);


        // run a SPARQL test to see if the returned data is correct
        InputStream sparql = this.getClass().getResourceAsStream("youtube-lmf-video-page.sparql");
        BooleanQuery testLabel = conLMFVideo.prepareBooleanQuery(QueryLanguage.SPARQL, IOUtils.toString(sparql));
        Assert.assertTrue("SPARQL test query failed", testLabel.evaluate());


        if(log.isDebugEnabled()) {
            StringWriter out = new StringWriter();
            conLMFVideo.export(Rio.createWriter(RDFFormat.TURTLE, out));

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Examples of org.openrdf.repository.RepositoryConnection.prepareBooleanQuery()

        conChannel.begin();
        Assert.assertTrue(conChannel.size() > 0);


        // run a SPARQL test to see if the returned data is correct
        InputStream sparql = this.getClass().getResourceAsStream("youtube-channel.sparql");
        BooleanQuery testLabel = conChannel.prepareBooleanQuery(QueryLanguage.SPARQL, IOUtils.toString(sparql));
        Assert.assertTrue("SPARQL test query failed", testLabel.evaluate());




        if(log.isDebugEnabled()) {
            StringWriter out = new StringWriter();

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Examples of org.openrdf.repository.RepositoryConnection.prepareBooleanQuery()


        conPlaylist.export(Rio.createWriter(RDFFormat.TURTLE, System.out));


        // run a SPARQL test to see if the returned data is correct
        InputStream sparql = this.getClass().getResourceAsStream("youtube-playlist.sparql");
        BooleanQuery testLabel = conPlaylist.prepareBooleanQuery(QueryLanguage.SPARQL, IOUtils.toString(sparql));
        Assert.assertTrue("SPARQL test query failed", testLabel.evaluate());




        if(log.isDebugEnabled()) {
            StringWriter out = new StringWriter();

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Examples of org.openrdf.repository.RepositoryConnection.prepareBooleanQuery()


        // test snapshot connection for date2 (i.e. after base import and before updates)
        RepositoryConnection snapshot1 = repository.getSnapshot(date2);


        // query all triples for http://marmotta.incubator.apache.org/testing/ns1/R1, should be exactly 3
        BooleanQuery query1_1 = snapshot1.prepareBooleanQuery(QueryLanguage.SPARQL, "ASK { <http://marmotta.incubator.apache.org/testing/ns1/R1> ?p ?o }");
        Assert.assertTrue("SPARQL query for R1 did not return true", query1_1.evaluate());


        // query all triples for http://marmotta.incubator.apache.org/testing/ns1/R2, should be zero
        BooleanQuery query1_2 = snapshot1.prepareBooleanQuery(QueryLanguage.SPARQL, "ASK { <http://marmotta.incubator.apache.org/testing/ns1/R2> ?p ?o }");
        Assert.assertFalse("SPARQL query for R2 did not return false", query1_2.evaluate());

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Examples of org.openrdf.repository.RepositoryConnection.prepareBooleanQuery()

        // query all triples for http://marmotta.incubator.apache.org/testing/ns1/R1, should be exactly 3
        BooleanQuery query1_1 = snapshot1.prepareBooleanQuery(QueryLanguage.SPARQL, "ASK { <http://marmotta.incubator.apache.org/testing/ns1/R1> ?p ?o }");
        Assert.assertTrue("SPARQL query for R1 did not return true", query1_1.evaluate());


        // query all triples for http://marmotta.incubator.apache.org/testing/ns1/R2, should be zero
        BooleanQuery query1_2 = snapshot1.prepareBooleanQuery(QueryLanguage.SPARQL, "ASK { <http://marmotta.incubator.apache.org/testing/ns1/R2> ?p ?o }");
        Assert.assertFalse("SPARQL query for R2 did not return false", query1_2.evaluate());


        snapshot1.commit();
        snapshot1.close();

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Examples of org.openrdf.repository.RepositoryConnection.prepareBooleanQuery()


        // test snapshot connection for date3 (i.e. after first update)
        RepositoryConnection snapshot2 = repository.getSnapshot(date3);


        // query all triples for http://marmotta.incubator.apache.org/testing/ns1/R1, should be exactly 3
        BooleanQuery query2_1 = snapshot2.prepareBooleanQuery(QueryLanguage.SPARQL, "ASK { <http://marmotta.incubator.apache.org/testing/ns1/R1> ?p ?o }");
        Assert.assertTrue("SPARQL query for R1 did not return true", query2_1.evaluate());


        // query all triples for http://marmotta.incubator.apache.org/testing/ns1/R2, should be 3
        BooleanQuery query2_2 = snapshot2.prepareBooleanQuery(QueryLanguage.SPARQL, "ASK { <http://marmotta.incubator.apache.org/testing/ns1/R2> ?p ?o }");
        Assert.assertTrue("SPARQL query for R2 did not return true", query2_2.evaluate());

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Examples of org.openrdf.repository.RepositoryConnection.prepareBooleanQuery()

        // query all triples for http://marmotta.incubator.apache.org/testing/ns1/R1, should be exactly 3
        BooleanQuery query2_1 = snapshot2.prepareBooleanQuery(QueryLanguage.SPARQL, "ASK { <http://marmotta.incubator.apache.org/testing/ns1/R1> ?p ?o }");
        Assert.assertTrue("SPARQL query for R1 did not return true", query2_1.evaluate());


        // query all triples for http://marmotta.incubator.apache.org/testing/ns1/R2, should be 3
        BooleanQuery query2_2 = snapshot2.prepareBooleanQuery(QueryLanguage.SPARQL, "ASK { <http://marmotta.incubator.apache.org/testing/ns1/R2> ?p ?o }");
        Assert.assertTrue("SPARQL query for R2 did not return true", query2_2.evaluate());


        snapshot2.commit();
        snapshot2.close();

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