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

Example 11 with Expression

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

the class NewLiteralAtom method adapt.

@SuppressWarnings("unchecked")
@Override
public <T> T adapt(RuleAtom ruleAtom) throws RuleAtomCallExeption, UnavailableRuleObjectException, UnsupportedTypeForExportException {
    org.apache.stanbol.rules.manager.atoms.NewLiteralAtom tmp = (org.apache.stanbol.rules.manager.atoms.NewLiteralAtom) ruleAtom;
    StringFunctionAtom bindingAtom = tmp.getBinding();
    IObjectAtom variableAtom = tmp.getNewNodeVariable();
    ClerezzaSparqlObject binding = (ClerezzaSparqlObject) adapter.adaptTo(bindingAtom, ConstructQuery.class);
    ClerezzaSparqlObject variable = (ClerezzaSparqlObject) adapter.adaptTo(variableAtom, ConstructQuery.class);
    List<Expression> bindArgumentExpressions = new ArrayList<Expression>();
    bindArgumentExpressions.add((Expression) binding.getClerezzaObject());
    bindArgumentExpressions.add((Expression) variable.getClerezzaObject());
    BuiltInCall bindBuiltInCall = new BuiltInCall("BIND", bindArgumentExpressions);
    return (T) new ClerezzaSparqlObject(bindBuiltInCall);
}

Example 12 with Expression

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

the class NotAtom method adapt.

@SuppressWarnings("unchecked")
@Override
public <T> T adapt(RuleAtom ruleAtom) throws RuleAtomCallExeption, UnavailableRuleObjectException, UnsupportedTypeForExportException {
    org.apache.stanbol.rules.manager.atoms.LowerCaseAtom tmp = (org.apache.stanbol.rules.manager.atoms.LowerCaseAtom) ruleAtom;
    StringFunctionAtom argument = tmp.getStringFunctionAtom();
    ClerezzaSparqlObject argument1 = (ClerezzaSparqlObject) adapter.adaptTo(argument, ConstructQuery.class);
    List<Expression> argumentExpressions = new ArrayList<Expression>();
    argumentExpressions.add((Expression) argument1.getClerezzaObject());
    BuiltInCall builtInCall = new BuiltInCall("BOUND", argumentExpressions);
    UnaryOperation unaryOperation = new UnaryOperation("!", builtInCall);
    return (T) new ClerezzaSparqlObject(unaryOperation);
}

Example 13 with Expression

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

the class NumberAtom method adapt.

@SuppressWarnings("unchecked")
@Override
public <T> T adapt(RuleAtom ruleAtom) throws RuleAtomCallExeption {
    org.apache.stanbol.rules.manager.atoms.NumberAtom tmp = (org.apache.stanbol.rules.manager.atoms.NumberAtom) ruleAtom;
    String number = tmp.getNumber();
    Expression exp = null;
    if (number.startsWith("\"") && number.endsWith("\"")) {
        number = number.substring(1, number.length() - 1);
    }
    if (number.startsWith(Symbols.variablesPrefix)) {
        exp = new Variable(number.replace(Symbols.variablesPrefix, ""));
    } else {
        exp = new LiteralExpression(LiteralFactory.getInstance().createTypedLiteral(number));
    }
    return (T) new ClerezzaSparqlObject(exp);
}

Example 14 with Expression

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

the class StartsWithAtom method adapt.

@SuppressWarnings("unchecked")
@Override
public <T> T adapt(RuleAtom ruleAtom) throws RuleAtomCallExeption, UnavailableRuleObjectException, UnsupportedTypeForExportException {
    org.apache.stanbol.rules.manager.atoms.StartsWithAtom tmp = (org.apache.stanbol.rules.manager.atoms.StartsWithAtom) ruleAtom;
    StringFunctionAtom argument = tmp.getArgument();
    StringFunctionAtom term = tmp.getTerm();
    ClerezzaSparqlObject argument1 = (ClerezzaSparqlObject) adapter.adaptTo(argument, ConstructQuery.class);
    ClerezzaSparqlObject argument2 = (ClerezzaSparqlObject) adapter.adaptTo(term, ConstructQuery.class);
    List<Expression> argumentExpressions = new ArrayList<Expression>();
    argumentExpressions.add((Expression) argument1.getClerezzaObject());
    argumentExpressions.add((Expression) argument2.getClerezzaObject());
    FunctionCall functionCall = new FunctionCall(new IRI("<http://www.w3.org/2005/xpath-functions#starts-with>"), argumentExpressions);
    return (T) new ClerezzaSparqlObject(functionCall);
}

Example 15 with Expression

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

the class StrAtom method adapt.

@SuppressWarnings("unchecked")
@Override
public <T> T adapt(RuleAtom ruleAtom) throws RuleAtomCallExeption, UnavailableRuleObjectException, UnsupportedTypeForExportException {
    org.apache.stanbol.rules.manager.atoms.StrAtom tmp = (org.apache.stanbol.rules.manager.atoms.StrAtom) ruleAtom;
    IObjectAtom uriResource = tmp.getUriResource();
    ClerezzaSparqlObject clerezzaSparqlObject = (ClerezzaSparqlObject) adapter.adaptTo(uriResource, ConstructQuery.class);
    List<Expression> expressions = new ArrayList<Expression>();
    expressions.add((Expression) clerezzaSparqlObject.getClerezzaObject());
    return (T) new ClerezzaSparqlObject(new BuiltInCall("STR", expressions));
}