SpringCacheAnnotation.java

import org.springframework.cache.annotation.Cacheable;
.
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@Cacheable("longCache")
  public List<Product> getAllProducts(final int pageNumber) {
		System.out.println("Inside DAO so cache did not get used");
		// TODO Auto-generated method stub
		Query query = getEntityManager().createQuery("SELECT p FROM Product p");
		return query.setFirstResult(pageNumber * PAGE_SIZE)
				.setMaxResults(PAGE_SIZE).getResultList();
	}