feat: implement filterWithSingleResult in JpaCrudService

Closes #78
FlowingCode · Jun 25, 2024 · c7d1786 · c7d1786
1 parent 6c23b71
commit c7d1786
Showing 1 changed file with 16 additions and 13 deletions.
diff --git a/...usiness-spring-impl/src/main/java/com/flowingcode/backendcore/service/JpaCrudService.java b/...usiness-spring-impl/src/main/java/com/flowingcode/backendcore/service/JpaCrudService.java
@@ -1,5 +1,16 @@
 package com.flowingcode.backendcore.service;
 
+import com.flowingcode.backendcore.model.ErrorDescription;
+import com.flowingcode.backendcore.model.QuerySpec;
+import com.flowingcode.backendcore.service.validation.CreationValidator;
+import com.flowingcode.backendcore.service.validation.DeletionValidator;
+import com.flowingcode.backendcore.service.validation.UpdateValidator;
+import com.flowingcode.backendcore.validation.CreationValidationException;
+import com.flowingcode.backendcore.validation.DeletionValidationException;
+import com.flowingcode.backendcore.validation.UpdateValidationException;
+import com.flowingcode.backendcore.validation.ValidationException;
+import com.flowingcode.backendcore.validation.ValidationSupport;
+import com.flowingcode.backendcore.validation.Validator;
 import java.lang.reflect.Method;
 import java.lang.reflect.UndeclaredThrowableException;
 import java.util.Collections;
@@ -15,19 +26,6 @@
 import org.springframework.data.repository.CrudRepository;
 import org.springframework.data.util.Streamable;
 
-import com.flowingcode.backendcore.model.ErrorDescription;
-import com.flowingcode.backendcore.model.QuerySpec;
-import com.flowingcode.backendcore.service.CrudService;
-import com.flowingcode.backendcore.service.validation.CreationValidator;
-import com.flowingcode.backendcore.service.validation.DeletionValidator;
-import com.flowingcode.backendcore.service.validation.UpdateValidator;
-import com.flowingcode.backendcore.validation.CreationValidationException;
-import com.flowingcode.backendcore.validation.DeletionValidationException;
-import com.flowingcode.backendcore.validation.UpdateValidationException;
-import com.flowingcode.backendcore.validation.ValidationException;
-import com.flowingcode.backendcore.validation.ValidationSupport;
-import com.flowingcode.backendcore.validation.Validator;
-
 public abstract class JpaCrudService<T, K> implements CrudService<T, K> {
 
 	protected abstract CrudRepository<T, K> getCrudRepository();
@@ -108,6 +106,11 @@ public List<T> filter(QuerySpec filter) {
 			return getExecutor().findAll(buildSpecification(filter), buildPageable(filter)).toList();
 		}
 	}
+
+    @Override
+    public Optional<T> filterWithSingleResult(QuerySpec filter) {
+      return getExecutor().findOne(buildSpecification(filter));
+    }
 
 	@Override
 	public long count(QuerySpec filter) {