[persistence] Optimize result parsing in GenericPojoDao::getV2

Anshul Singh · Anshul Singh · commit 3b45088c3eda · 2025-02-19T14:23:03.000+05:30
diff --git a/thirdeye-persistence/src/main/java/ai/startree/thirdeye/datalayer/dao/GenericPojoDao.java b/thirdeye-persistence/src/main/java/ai/startree/thirdeye/datalayer/dao/GenericPojoDao.java
@@ -440,10 +440,11 @@ public <E extends AbstractDTO> List<E> getV2(final DaoFilter daoFilter) {
               Collections.emptyMap(),
               GenericJsonEntity.class,
               connection));
-      final List<E> results = new ArrayList<>();
+      final List<E> results = new ArrayList<>(entities.size());
       if (CollectionUtils.isNotEmpty(entities)) {
+        Class<E> beanClass = (Class<E>) daoFilter.getBeanClass();
         for (final GenericJsonEntity entity : entities) {
-          final E e = toDto(entity, (Class<E>) daoFilter.getBeanClass());
+          final E e = toDto(entity, beanClass);
           results.add(e);
         }
       }

Original file line number	Diff line number	Diff line change
`@@ -440,10 +440,11 @@ public <E extends AbstractDTO> List<E> getV2(final DaoFilter daoFilter) {`
`440`	`440`	`Collections.emptyMap(),`
`441`	`441`	`GenericJsonEntity.class,`
`442`	`442`	`connection));`
`443`		`- final List<E> results = new ArrayList<>();`
	`443`	`+ final List<E> results = new ArrayList<>(entities.size());`
`444`	`444`	`if (CollectionUtils.isNotEmpty(entities)) {`
	`445`	`+ Class<E> beanClass = (Class<E>) daoFilter.getBeanClass();`
`445`	`446`	`for (final GenericJsonEntity entity : entities) {`
`446`		`- final E e = toDto(entity, (Class<E>) daoFilter.getBeanClass());`
	`447`	`+ final E e = toDto(entity, beanClass);`
`447`	`448`	`results.add(e);`
`448`	`449`	`}`
`449`	`450`	`}`