| 1 | package com.reallifedeveloper.common.infrastructure.persistence; | |
| 2 | ||
| 3 | import java.lang.reflect.Method; | |
| 4 | import java.util.Optional; | |
| 5 | ||
| 6 | import org.springframework.data.jpa.repository.Query; | |
| 7 | ||
| 8 | /** | |
| 9 | * Base class for implementations of repositories that use JPA but that cannot use Spring Data, e.g., because they work with more than one | |
| 10 | * entity type. | |
| 11 | * | |
| 12 | * @author RealLifeDeveloper | |
| 13 | */ | |
| 14 | public class BaseJpaRepository { | |
| 15 | ||
| 16 | /** | |
| 17 | * Creates a new {@code BaseJpaRepository}, intended to be used by sub-classes. | |
| 18 | */ | |
| 19 | protected BaseJpaRepository() { | |
| 20 | // The only constructor is protected, to disallow direct instantiation. | |
| 21 | } | |
| 22 | ||
| 23 | /** | |
| 24 | * Gives the value of the {@code @Query} annotation on the given method. The annotation can be on the method in the class, or on the | |
| 25 | * method in an implemented interface. | |
| 26 | * | |
| 27 | * @param methodName the name of the method with the {@code @Query} annotation | |
| 28 | * @param parameterTypes the classes of the method parameters | |
| 29 | * | |
| 30 | * @return the query string, i.e., the value of the {@code @Query} annotation, or an empty Optional if no such annotation can be found | |
| 31 | */ | |
| 32 | protected Optional<String> getQueryString(String methodName, Class<?>... parameterTypes) { | |
| 33 | try { | |
| 34 |
1
1. getQueryString : replaced return value with Optional.empty for com/reallifedeveloper/common/infrastructure/persistence/BaseJpaRepository::getQueryString → KILLED |
return findQueryAnnotation(methodName, parameterTypes).map(Query::value); |
| 35 | } catch (NoSuchMethodException e) { | |
| 36 | throw new IllegalStateException("Unexpected error, this should never occur", e); | |
| 37 | } | |
| 38 | } | |
| 39 | ||
| 40 | @SuppressWarnings("PMD.EmptyCatchBlock") | |
| 41 | private Optional<Query> findQueryAnnotation(String methodName, Class<?>... parameterTypes) throws NoSuchMethodException { | |
| 42 | Method method = getClass().getMethod(methodName, parameterTypes); | |
| 43 | Query query = method.getAnnotation(Query.class); | |
| 44 |
1
1. findQueryAnnotation : negated conditional → KILLED |
if (query == null) { |
| 45 | for (Class<?> c : getClass().getInterfaces()) { | |
| 46 | try { | |
| 47 | method = c.getMethod(methodName, parameterTypes); | |
| 48 | query = method.getAnnotation(Query.class); | |
| 49 |
1
1. findQueryAnnotation : negated conditional → SURVIVED |
if (query != null) { |
| 50 | break; | |
| 51 | } | |
| 52 | } catch (NoSuchMethodException e) { | |
| 53 | // Ignore, try next interface (if there is one) | |
| 54 | } | |
| 55 | } | |
| 56 | } | |
| 57 |
1
1. findQueryAnnotation : replaced return value with Optional.empty for com/reallifedeveloper/common/infrastructure/persistence/BaseJpaRepository::findQueryAnnotation → KILLED |
return Optional.ofNullable(query); |
| 58 | } | |
| 59 | } | |
Mutations | ||
| 34 |
1.1 |
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| 44 |
1.1 |
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| 49 |
1.1 |
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| 57 |
1.1 |