CriteriaVisitor.java 文件源码

/**
 * {@inheritDoc}
 */
public boolean visit(JpqlWhere node, CriteriaHolder query) {
    AbstractQuery<?> criteriaQuery = query.getCurrentQuery();
    Predicate restriction = criteriaQuery.getRestriction();
    node.jjtGetChild(0).visit(this, query);
    if (query.isValueOfType(Predicate.class)) {
        if (restriction == null) {
            criteriaQuery.where(query.<Predicate>getCurrentValue());
        } else {
            criteriaQuery.where(restriction, query.<Predicate>getCurrentValue());
        }
    } else {
        if (restriction == null) {
            criteriaQuery.where(query.<Expression<Boolean>>getCurrentValue());
        } else {
            criteriaQuery.where(restriction, builder.isTrue(query.<Expression<Boolean>>getCurrentValue()));
        }
    }
    return false;
}