LogicalExpression.java 文件源码

public Predicate toPredicate(Root<?> root, CriteriaQuery<?> query,  
        CriteriaBuilder builder) {  
    List<Predicate> predicates = new ArrayList<Predicate>();  
    for(int i=0;i<this.criterion.length;i++){  
        predicates.add(this.criterion[i].toPredicate(root, query, builder));  
    }  
    switch (operator) {  
    case OR:  
        return builder.or(predicates.toArray(new Predicate[predicates.size()]));  
    default:  
        return null;  
    }  
}