org.coode.oppl.function.RenderingVariableAttribute Maven / Gradle / Ivy

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package org.coode.oppl.function;

import org.coode.oppl.Variable;
import org.coode.oppl.bindingtree.BindingNode;
import org.coode.oppl.rendering.ManchesterSyntaxRenderer;
import org.semanticweb.owlapi.model.OWLObject;

/** @author Luigi Iannone */
public class RenderingVariableAttribute extends VariableAttribute {
    /** @param variable
     *            variable */
    public RenderingVariableAttribute(Variable variable) {
        super(variable, AttributeName.RENDERING);
    }

    @Override
    public  P accept(OPPLFunctionVisitorEx visitor) {
        return visitor.visitRenderingVariableAttribute(this);
    }

    @Override
    public void accept(OPPLFunctionVisitor visitor) {
        visitor.visitRenderingVariableAttribute(this);
    }

    @Override
    public ValueComputation getValueComputation(
            final ValueComputationParameters parameters) {
        return new ValueComputation() {
            @Override
            public String compute(OPPLFunction opplFunction) {
                String toReturn = null;
                BindingNode bindingNode = parameters.getBindingNode();
                OWLObject assignmentValue = bindingNode.getAssignmentValue(
                        RenderingVariableAttribute.this.getVariable(), parameters);
                if (assignmentValue != null) {
                    ManchesterSyntaxRenderer renderer = parameters
                            .getConstraintSystem()
                            .getOPPLFactory()
                            .getManchesterSyntaxRenderer(parameters.getConstraintSystem());
                    assignmentValue.accept(renderer);
                    toReturn = renderer.toString();
                }
                return toReturn;
            }
        };
    }
}