Portfolio


public Optional<T> findById(ID id) {
    Assert.notNull(id, "The given id must not be null!");
    Class<T> domainType = this.getDomainClass();
    if (this.metadata == null) {
        return Optional.ofNullable(this.em.find(domainType, id));
    } else {
        LockModeType type = this.metadata.getLockModeType();
        Map<String, Object> hints = new HashMap();
        this.getQueryHints().withFetchGraphs(this.em).forEach(hints::put);
        return Optional.ofNullable(type == null ? this.em.find(domainType, id, hints) : this.em.find(domainType, id, type, hints));
    }
}


@Test
void test() {
    customerRepository.save(customer);
    customerRepository.findById(1L);
    customerRepository.findById(1L);
}

2021-10-01 금

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마무리점검 (6시 40분)

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