Example usage for javax.persistence.criteria CriteriaBuilder treat

Introduction

In this page you can find the example usage for javax.persistence.criteria CriteriaBuilder treat.

Prototype

<X, T extends X> Root<T> treat(Root<X> root, Class<T> type);

Source Link

Document

Downcast Root object to the specified type.

Usage

From source file:com.carser.viamais.vo.TransactionFilter.java

private Predicate[] getPredicates(CriteriaBuilder cb, Root<Transaction> transaction) {
    List<Predicate> predicates = new ArrayList<>();
    if (StringUtils.hasLength(pattern)) {
        String[] words = pattern.split(" ");
        for (String word : words) {
            Predicate model = cb.like(transaction.get(Transaction_.car).get(Car_.model).get(Model_.name),
                    "%" + word + "%");
            Predicate customer = cb.like(transaction.get(Transaction_.customer).get(Customer_.name),
                    "%" + word + "%");
            predicates.add((cb.or(model, customer)));
        }//from   w  w w  .  j a  v  a 2  s .  c  om
    }
    if (StringUtils.hasLength(rg)) {
        predicates.add(cb.like(transaction.get(Transaction_.customer).get(Customer_.rg), "%" + rg + "%"));
    }
    if (StringUtils.hasLength(cpf)) {
        predicates.add(cb.like(transaction.get(Transaction_.customer).get(Customer_.cpf).as(String.class),
                "%" + cpf + "%"));
    }
    if (StringUtils.hasLength(renavam)) {
        predicates.add(cb.like(transaction.get(Transaction_.car).get(Car_.renavam), "%" + renavam + "%"));
    }
    if (StringUtils.hasLength(plate)) {
        predicates.add(cb.equal(transaction.get(Transaction_.car).get(Car_.licensePlate), plate));
    }
    if (StringUtils.hasLength(chassi)) {
        predicates.add(cb.like(transaction.get(Transaction_.car).get(Car_.chassi), "%" + chassi + "%"));
    }
    Expression<Date> date = cb.function("date", Date.class, transaction.get(Transaction_.transactionDate));
    if (startDate != null) {
        predicates.add(cb.greaterThanOrEqualTo(date, startDate));
    }
    if (finalDate != null) {
        predicates.add(cb.lessThanOrEqualTo(date, finalDate));
    }
    if (StringUtils.hasLength(type)) {
        switch (type) {
        case "sale":
            predicates.add(cb.equal(transaction.get(Transaction_.type), Sale.class.getSimpleName()));
            break;
        case "purchase":
            predicates.add(cb.equal(transaction.get(Transaction_.type), Purchase.class.getSimpleName()));
            break;
        default:
            throw new BusinessException("transaction type not supported");
        }
    }
    if (StringUtils.hasLength(advertiser)) {
        predicates.add(cb.equal(transaction.get(Transaction_.advertiser), advertiser));
    }
    if (StringUtils.hasLength(financial)) {
        predicates.add(cb.like(cb.treat(transaction, Sale.class).get(Sale_.financial), financial));
    }
    if (seller != null) {
        predicates.add(cb.equal(transaction.get(Transaction_.seller).get(Seller_.id), seller));
    }
    return (predicates.toArray(new Predicate[predicates.size()]));
}

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