Added generics and some hints for PhpStan

Author: janpecha

src/EntityQuery.php

@@ -27,6 +27,7 @@ public function __construct(Entity $entity, $field)
 
 		/**
 		 * @return Entity[]
+		 * @phpstan-return array
 		 */
 		public function find()
 		{
@@ -36,6 +37,7 @@ public function find()
 
 		/**
 		 * @return Entity|NULL
+		 * @phpstan-return mixed|NULL
 		 */
 		public function findOne()
 		{

src/RepositoryQuery.php

@@ -7,6 +7,9 @@
 	use LeanMapper\Repository;
 
 
+	/**
+	 * @phpstan-template T of \LeanMapper\Entity
+	 */
 	class RepositoryQuery extends Query implements \Countable
 	{
 		/** @var Repository */
@@ -21,6 +24,7 @@ public function __construct(Repository $repository)
 
 		/**
 		 * @return Entity[]
+		 * @phpstan-return T[]
 		 */
 		public function find()
 		{
@@ -30,6 +34,7 @@ public function find()
 
 		/**
 		 * @return Entity|NULL
+		 * @phpstan-return T|NULL
 		 */
 		public function findOne()
 		{

src/TQueryableRepository.php

@@ -7,11 +7,15 @@
 	use LeanMapperQuery\Query;
 
 
+	/**
+	 * @phpstan-template T of \LeanMapper\Entity
+	 */
 	trait TQueryableRepository
 	{
 		/**
 		 * Creates base query object
 		 * @return RepositoryQuery
+		 * @phpstan-return RepositoryQuery<T>
 		 */
 		public function query()
 		{
@@ -22,6 +26,7 @@ public function query()
 		/**
 		 * Fetchs entities by Query object
 		 * @return Entity[]
+		 * @phpstan-return T[]
 		 */
 		public function find(Query $query)
 		{
@@ -32,6 +37,7 @@ public function find(Query $query)
 		/**
 		 * Fetchs one entity by Query object
 		 * @return Entity|NULL
+		 * @phpstan-return T|NULL
 		 */
 		public function findOne(Query $query)
 		{

src/TRepository.php

@@ -5,11 +5,15 @@
 	use LeanMapper\Entity;
 
 
+	/**
+	 * @phpstan-template T of \LeanMapper\Entity
+	 */
 	trait TRepository
 	{
 		/**
 		 * Creates new empty (detached) entity
 		 * @return Entity
+		 * @phpstan-return T
 		 */
 		public function createNewEntity()
 		{
@@ -21,6 +25,7 @@ public function createNewEntity()
 		/**
 		 * Fetchs entity by primary key
 		 * @return Entity|NULL
+		 * @phpstan-return T|NULL
 		 */
 		public function get($id)
 		{
@@ -31,6 +36,7 @@ public function get($id)
 		/**
 		 * Fetchs entity by column value
 		 * @return Entity|NULL
+		 * @phpstan-return T|NULL
 		 */
 		protected function getByColumn($column, $value)
 		{