Examples of org.apache.clerezza.rdf.core.sparql.query.impl.SimpleGroupGraphPattern.addConstraint()

Package org.apache.clerezza.rdf.core.sparql.query.impl

Class org.apache.clerezza.rdf.core.sparql.query.impl.SimpleGroupGraphPattern

Examples of org.apache.clerezza.rdf.core.sparql.query.impl.SimpleGroupGraphPattern.addConstraint()

org.apache.clerezza.rdf.core.sparql.query.impl.SimpleGroupGraphPattern.addConstraint()
Adds a constraint to the {@link GroupGraphPattern}. @param constraint an {@link Expression} as the constraint to be added.

    SimpleBasicGraphPattern bgp = new SimpleBasicGraphPattern(triplePatterns);
    SimpleGroupGraphPattern queryPattern = new SimpleGroupGraphPattern();
    queryPattern.addGraphPattern(bgp);
    BinaryOperation constraint = new BinaryOperation("<",
        price, new LiteralExpression(LiteralFactory.getInstance().createTypedLiteral(30.5)));
    queryPattern.addConstraint(constraint);
    selectQuery.setQueryPattern(queryPattern);


    Assert.assertTrue(selectQuery.toString()
        .replaceAll("( |\n)+", " ").trim().equals(queryString));
  }

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    SimpleBasicGraphPattern bgp = new SimpleBasicGraphPattern(triplePatterns);
    SimpleGroupGraphPattern queryPattern = new SimpleGroupGraphPattern();
    queryPattern.addGraphPattern(bgp);
    BinaryOperation constraint = new BinaryOperation("=",
        resource, new UriRefExpression(new UriRef("http://example.org/ontology#special")));
    queryPattern.addConstraint(constraint);
    selectQuery.setQueryPattern(queryPattern);


    Assert.assertTrue(selectQuery.toString()
        .replaceAll("( |\n)+", " ").trim().equals(queryString));
  }

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    List<Expression> arguments = new ArrayList<Expression>();
    arguments.add(x);
    arguments.add(new LiteralExpression(LiteralFactory.getInstance().
        createTypedLiteral(".*uni.*")));
    BuiltInCall constraint = new BuiltInCall("REGEX", arguments);
    queryPattern.addConstraint(constraint);
    selectQuery.setQueryPattern(queryPattern);
    Assert.assertTrue(selectQuery.toString()
        .replaceAll("( |\n)+", " ").trim().equals(queryString));
  }
}

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        SimpleGroupGraphPattern groupGraphPattern = new SimpleGroupGraphPattern();


        groupGraphPattern.addTriplePatterns(triplePatterns);


        for (Expression expression : expressions) {
            groupGraphPattern.addConstraint(expression);
        }


        triplePatterns = new HashSet<TriplePattern>();
        it = rule.getHead().iterator();
        while (it.hasNext()) {

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        SimpleBasicGraphPattern bgp = new SimpleBasicGraphPattern(triplePatterns);
        SimpleGroupGraphPattern queryPattern = new SimpleGroupGraphPattern();
        queryPattern.addGraphPattern(bgp);
        BinaryOperation constraint = new BinaryOperation("<",
                price, new LiteralExpression(LiteralFactory.getInstance().createTypedLiteral(30.5)));
        queryPattern.addConstraint(constraint);
        selectQuery.setQueryPattern(queryPattern);


        Assert.assertTrue(selectQuery.toString()
                .replaceAll("( |\n)+", " ").trim().equals(queryString));
    }

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        SimpleBasicGraphPattern bgp = new SimpleBasicGraphPattern(triplePatterns);
        SimpleGroupGraphPattern queryPattern = new SimpleGroupGraphPattern();
        queryPattern.addGraphPattern(bgp);
        BinaryOperation constraint = new BinaryOperation("=",
                resource, new UriRefExpression(new UriRef("http://example.org/ontology#special")));
        queryPattern.addConstraint(constraint);
        selectQuery.setQueryPattern(queryPattern);


        Assert.assertTrue(selectQuery.toString()
                .replaceAll("( |\n)+", " ").trim().equals(queryString));
    }

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        List<Expression> arguments = new ArrayList<Expression>();
        arguments.add(x);
        arguments.add(new LiteralExpression(LiteralFactory.getInstance().
                createTypedLiteral(".*uni.*")));
        BuiltInCall constraint = new BuiltInCall("REGEX", arguments);
        queryPattern.addConstraint(constraint);
        selectQuery.setQueryPattern(queryPattern);
        Assert.assertTrue(selectQuery.toString()
                .replaceAll("( |\n)+", " ").trim().equals(queryString));
    }
}

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