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Update R2dbcEntityTemplate.selectOne() mentioning IncorrectResultSizeDataAccessException.

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Closes #566
This commit is contained in:
Mark Paluch
2021-03-18 09:54:44 +01:00
parent d5f49b19ab
commit e6b46fd781
1 changed files with 3 additions and 2 deletions
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5
src/main/java/org/springframework/data/r2dbc/core/R2dbcEntityOperations.java
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@@ -102,11 +102,12 @@ public interface R2dbcEntityOperations extends FluentR2dbcOperations {
<T> Flux<T> select(Query query, Class<T> entityClass) throws DataAccessException;
/**
* Execute a {@code SELECT} query and convert the resulting item to an entity.
* Execute a {@code SELECT} query and convert the resulting item to an entity ensuring exactly one result.
*
* @param query must not be {@literal null}.
* @param entityClass The entity type must not be {@literal null}.
* @return the result object returned by the action or {@link Mono#empty()}.
* @return exactly one result or {@link Mono#empty()} if no match found.
* @throws org.springframework.dao.IncorrectResultSizeDataAccessException if more than one match found.
* @throws DataAccessException if there is any problem issuing the execution.
*/
<T> Mono<T> selectOne(Query query, Class<T> entityClass) throws DataAccessException;