ParameterExpressionImpl.java

package cz.cvut.kbss.jopa.query.criteria.expressions;

import cz.cvut.kbss.jopa.model.query.criteria.ParameterExpression;
import cz.cvut.kbss.jopa.query.criteria.CriteriaParameterFiller;

public class ParameterExpressionImpl<T> extends AbstractExpression<T> implements ParameterExpression<T> {
    private String name;

    public ParameterExpressionImpl(Class<T> type, String name) {
        super(type);
        this.name = name;
    }

    public void setNameIfUnnamed(String name) {
        if (this.name == null) this.name = name;
    }

    @Override
    public String getName() {
        return name;
    }

    @Override
    public Integer getPosition() {
        return null;
    }

    @Override
    public Class<T> getParameterType() {
        return type;
    }


    @Override
    public void setExpressionToQuery(StringBuilder query, CriteriaParameterFiller parameterFiller) {
        query.append(parameterFiller.registerParameter(this));
    }
}