Examples with Variable org.apache.clerezza.rdf.core.sparql.query.Variable used on opensource projects

Example 1 with Variable

use of org.apache.clerezza.rdf.core.sparql.query.Variable in project stanbol by apache.

the class ResultSetToXml method createVariable.

private void createVariable(SolutionMapping solutionMap, Element head, Document doc) {
    if (solutionMap != null) {
        Set<Variable> keys = solutionMap.keySet();
        for (Variable key : keys) {
            Element varElement = doc.createElement("variable");
            varElement.setAttribute("name", key.getName());
            head.appendChild(varElement);
        }
    }
}

Example 2 with Variable

use of org.apache.clerezza.rdf.core.sparql.query.Variable in project stanbol by apache.

the class VariableAtom method adapt.

@SuppressWarnings("unchecked")
@Override
public <T> T adapt(RuleAtom ruleAtom) throws RuleAtomCallExeption {
    org.apache.stanbol.rules.manager.atoms.VariableAtom tmp = (org.apache.stanbol.rules.manager.atoms.VariableAtom) ruleAtom;
    String variableName = tmp.getVariableName();
    Variable variable = new Variable(variableName);
    return (T) new ClerezzaSparqlObject(variable);
}

Example 3 with Variable

use of org.apache.clerezza.rdf.core.sparql.query.Variable in project stanbol by apache.

the class IndividualPropertyAtom method adapt.

@SuppressWarnings("unchecked")
@Override
public <T> T adapt(RuleAtom ruleAtom) throws RuleAtomCallExeption, UnavailableRuleObjectException, UnsupportedTypeForExportException {
    org.apache.stanbol.rules.manager.atoms.IndividualPropertyAtom tmp = (org.apache.stanbol.rules.manager.atoms.IndividualPropertyAtom) ruleAtom;
    IObjectAtom argument1 = tmp.getArgument1();
    IObjectAtom objectProperty = tmp.getObjectProperty();
    IObjectAtom argument2 = tmp.getArgument2();
    ClerezzaSparqlObject argument1CSO = (ClerezzaSparqlObject) adapter.adaptTo(argument1, ConstructQuery.class);
    ClerezzaSparqlObject datatypePropertyCSO = (ClerezzaSparqlObject) adapter.adaptTo(objectProperty, ConstructQuery.class);
    ClerezzaSparqlObject argument2CSO = (ClerezzaSparqlObject) adapter.adaptTo(argument2, ConstructQuery.class);
    Object arg1 = argument1CSO.getClerezzaObject();
    Object dt = datatypePropertyCSO.getClerezzaObject();
    Object arg2 = argument2CSO.getClerezzaObject();
    UriRefOrVariable subject;
    UriRefOrVariable predicate;
    ResourceOrVariable object;
    if (arg1 instanceof Variable) {
        subject = new UriRefOrVariable((Variable) arg1);
    } else if (arg1 instanceof IRI) {
        subject = new UriRefOrVariable((IRI) arg1);
    } else {
        throw new RuleAtomCallExeption(getClass());
    }
    if (dt instanceof Variable) {
        predicate = new UriRefOrVariable((Variable) dt);
    } else if (dt instanceof IRI) {
        predicate = new UriRefOrVariable((IRI) dt);
    } else {
        throw new RuleAtomCallExeption(getClass());
    }
    if (arg2 instanceof Variable) {
        object = new UriRefOrVariable((Variable) arg2);
    } else if (dt instanceof IRI) {
        object = new UriRefOrVariable((IRI) arg2);
    } else {
        throw new RuleAtomCallExeption(getClass());
    }
    return (T) new ClerezzaSparqlObject(new SimpleTriplePattern(subject, predicate, object));
}

Example 4 with Variable

use of org.apache.clerezza.rdf.core.sparql.query.Variable in project stanbol by apache.

the class IsBlankAtom method adapt.

@SuppressWarnings("unchecked")
@Override
public <T> T adapt(RuleAtom ruleAtom) throws RuleAtomCallExeption, UnavailableRuleObjectException, UnsupportedTypeForExportException {
    org.apache.stanbol.rules.manager.atoms.IsBlankAtom tmp = (org.apache.stanbol.rules.manager.atoms.IsBlankAtom) ruleAtom;
    IObjectAtom uriResource = tmp.getUriResource();
    ClerezzaSparqlObject argumentCSO = (ClerezzaSparqlObject) adapter.adaptTo(uriResource, ConstructQuery.class);
    ;
    Object arg = argumentCSO.getClerezzaObject();
    Expression argumentExpression;
    if (arg instanceof Variable) {
        argumentExpression = (Variable) arg;
    } else if (arg instanceof IRI) {
        argumentExpression = new UriRefExpression((IRI) arg);
    } else {
        throw new RuleAtomCallExeption(getClass());
    }
    List<Expression> expressions = new ArrayList<Expression>();
    expressions.add(argumentExpression);
    return (T) new ClerezzaSparqlObject(new BuiltInCall("isBLANK", expressions));
}

Example 5 with Variable

use of org.apache.clerezza.rdf.core.sparql.query.Variable in project stanbol by apache.

the class LetAtom method adapt.

@SuppressWarnings("unchecked")
@Override
public <T> T adapt(RuleAtom ruleAtom) throws RuleAtomCallExeption, UnavailableRuleObjectException, UnsupportedTypeForExportException {
    org.apache.stanbol.rules.manager.atoms.LetAtom tmp = (org.apache.stanbol.rules.manager.atoms.LetAtom) ruleAtom;
    StringFunctionAtom parameterFunctionAtom = tmp.getParameterFunctionAtom();
    URIResource variableUriResource = tmp.getVariable();
    ClerezzaSparqlObject iriArgument;
    iriArgument = (ClerezzaSparqlObject) adapter.adaptTo(parameterFunctionAtom, ConstructQuery.class);
    List<Expression> iriArgumentExpressions = new ArrayList<Expression>();
    iriArgumentExpressions.add((Expression) iriArgument.getClerezzaObject());
    BuiltInCall iriBuiltInCall = new BuiltInCall("IRI", iriArgumentExpressions);
    if (variableUriResource instanceof VariableAtom) {
        String variableName = ((VariableAtom) variableUriResource).getVariableName();
        Variable variable = new Variable(variableName);
        List<Expression> bindArgumentExpressions = new ArrayList<Expression>();
        bindArgumentExpressions.add(iriBuiltInCall);
        bindArgumentExpressions.add(variable);
        BuiltInCall bindBuiltInCall = new BuiltInCall("BIND", iriArgumentExpressions);
        return (T) new ClerezzaSparqlObject(bindBuiltInCall);
    } else {
        throw new org.apache.stanbol.rules.base.api.RuleAtomCallExeption(getClass());
    }
}