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#66 - Added JPA example for using Java 8 Streams with a derived query.

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This example demonstrates the usage of Java 8 Stream as return type for derived queries.
This commit is contained in:
Thomas Darimont
2015-03-12 10:22:11 +01:00
committed by Oliver Gierke
parent 2569cf8de3
commit 65cef4132d
2 changed files with 28 additions and 9 deletions
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13
jpa/java8/src/main/java/example/springdata/jpa/java8/CustomerRepository.java
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@@ -26,6 +26,7 @@ import org.springframework.data.repository.Repository;
* Repository to manage {@link Customer} instances.
*
* @author Oliver Gierke
* @author Thomas Darimont
*/
public interface CustomerRepository extends Repository<Customer, Long> {
@@ -64,11 +65,19 @@ public interface CustomerRepository extends Repository<Customer, Long> {
}
/**
* Sample method to demonstrate support for {@link Stream} as a return type. The query is executed in a streaming
* fashion which means that the method returns as soon as the first results are ready.
* Sample method to demonstrate support for {@link Stream} as a return type with a custom query. The query is executed
* in a streaming fashion which means that the method returns as soon as the first results are ready.
*
* @return
*/
@Query("select c from Customer c")
Stream<Customer> streamAllCustomers();
/**
* Sample method to demonstrate support for {@link Stream} as a return type with a derived query. The query is
* executed in a streaming fashion which means that the method returns as soon as the first results are ready.
*
* @return
*/
Stream<Customer> findAllByLastnameIsNotNull();
}