Examples with Renderable org.hibernate.query.criteria.internal.Renderable used on opensource projects

Example 1 with Renderable

use of org.hibernate.query.criteria.internal.Renderable in project hibernate-orm by hibernate.

the class CompoundPredicate method render.

public static String render(PredicateImplementor predicate, RenderingContext renderingContext) {
    if (!predicate.isJunction()) {
        throw new IllegalStateException("CompoundPredicate.render should only be used to render junctions");
    }
    if (predicate.getExpressions().isEmpty()) {
        boolean implicitTrue = predicate.getOperator() == BooleanOperator.AND;
        // AND is always true for empty; OR is always false
        return implicitTrue ? "1=1" : "0=1";
    }
    // single valued junction ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    if (predicate.getExpressions().size() == 1) {
        return ((Renderable) predicate.getExpressions().get(0)).render(renderingContext);
    }
    final StringBuilder buffer = new StringBuilder();
    String sep = "";
    for (Expression expression : predicate.getExpressions()) {
        buffer.append(sep).append("( ").append(((Renderable) expression).render(renderingContext)).append(" )");
        sep = operatorTextWithSeparator(predicate.getOperator());
    }
    return buffer.toString();
}