DATACMNS-800 - Adds deleteAllById to ReactiveCrudRepository and CrudRepository.

CrudRepository and ReactiveCrudRepository now expose a deleteAllById(Iterable<ID>) method to delete multiple entities by their Id.

Original pull request: #476.

src/main/java/org/springframework/data/repository/CrudRepository.java

@@ -22,6 +22,7 @@ import java.util.Optional;
  *
  * @author Oliver Gierke
  * @author Eberhard Wolff
+ * @author Jens Schauder
  */
 @NoRepositoryBean
 public interface CrudRepository<T, ID> extends Repository<T, ID> {
@@ -117,6 +118,15 @@ public interface CrudRepository<T, ID> extends Repository<T, ID> {
 	 */
 	void deleteAll(Iterable<? extends T> entities);
 
+	/**
+	 * Deletes all instances of the type {@code T} with the given IDs.
+	 *
+	 * @param ids must not be {@literal null}. Must not contain {@literal null} elements.
+	 * @throws IllegalArgumentException in case the given {@literal ids} or one of its elements is {@literal null}.
+	 * @since 2.5
+	 */
+	void deleteAllById(Iterable<? extends ID> ids);
+
 	/**
 	 * Deletes all entities managed by the repository.
 	 */

src/main/java/org/springframework/data/repository/reactive/ReactiveCrudRepository.java

@@ -28,6 +28,7 @@ import org.springframework.data.repository.Repository;
  *
  * @author Mark Paluch
  * @author Christph Strobl
+ * @author Jens Schauder
  * @since 2.0
  * @see Mono
  * @see Flux
@@ -179,6 +180,17 @@ public interface ReactiveCrudRepository<T, ID> extends Repository<T, ID> {
 	 */
 	Mono<Void> deleteAll(Iterable<? extends T> entities);
 
+	/**
+	 * Deletes all instances of the type {@code T} with the given IDs.
+	 *
+	 * @param ids must not be {@literal null}.
+	 * @return {@link Mono} signaling when operation has completed.
+	 * @throws IllegalArgumentException in case the given {@literal ids} or one of its elements is {@literal null}.
+	 *           {@literal null}.
+	 * @since 2.5
+	 */
+	Mono<Void> deleteAllById(Iterable<? extends ID> ids);
+
 	/**
 	 * Deletes the given entities supplied by a {@link Publisher}.
 	 *