refactored query and relation.

framework/yii/db/ActiveQuery.php

@@ -68,7 +68,7 @@ class ActiveQuery extends Query implements ActiveQueryInterface
 		if (!empty($rows)) {
 			$models = $this->createModels($rows);
 			if (!empty($this->with)) {
-				$this->populateRelations($models, $this->with);
+				$this->findWith($this->with, $models);
 			}
 			return $models;
 		} else {
@@ -98,7 +98,7 @@ class ActiveQuery extends Query implements ActiveQueryInterface
 			}
 			if (!empty($this->with)) {
 				$models = [$model];
-				$this->populateRelations($models, $this->with);
+				$this->findWith($this->with, $models);
 				$model = $models[0];
 			}
 			return $model;

framework/yii/db/ActiveQueryTrait.php

@@ -21,7 +21,7 @@ trait ActiveQueryTrait
 	 */
 	public $modelClass;
 	/**
-	 * @var array list of relations that this query should be performed with
+	 * @var array a list of relations that this query should be performed with
 	 */
 	public $with;
 	/**
@@ -143,10 +143,12 @@ trait ActiveQueryTrait
 	}
 
 	/**
-	 * @param ActiveRecord[] $models
-	 * @param array $with
+	 * Finds records corresponding to one or multiple relations and populates them into the primary models.
+	 * @param array $with a list of relations that this query should be performed with. Please
+	 * refer to [[with()]] for details about specifying this parameter.
+	 * @param ActiveRecord[] $models the primary models
 	 */
-	private function populateRelations(&$models, $with)
+	public function findWith($with, &$models)
 	{
 		$primaryModel = new $this->modelClass;
 		$relations = $this->normalizeRelations($primaryModel, $with);
@@ -155,7 +157,7 @@ trait ActiveQueryTrait
 				// inherit asArray from primary query
 				$relation->asArray = $this->asArray;
 			}
-			$relation->findWith($name, $models);
+			$relation->populateRelation($name, $models);
 		}
 	}
 

framework/yii/db/ActiveRelationTrait.php

@@ -73,13 +73,12 @@ trait ActiveRelationTrait
 
 	/**
 	 * Finds the related records and populates them into the primary models.
-	 * This method is internally used by [[ActiveQuery]]. Do not call it directly.
 	 * @param string $name the relation name
 	 * @param array $primaryModels primary models
 	 * @return array the related models
-	 * @throws InvalidConfigException
+	 * @throws InvalidConfigException if [[link]] is invalid
 	 */
-	public function findWith($name, &$primaryModels)
+	public function populateRelation($name, &$primaryModels)
 	{
 		if (!is_array($this->link)) {
 			throw new InvalidConfigException('Invalid link: it must be an array of key-value pairs.');
@@ -96,7 +95,7 @@ trait ActiveRelationTrait
 			/** @var ActiveRelationTrait $viaQuery */
 			list($viaName, $viaQuery) = $this->via;
 			$viaQuery->primaryModel = null;
-			$viaModels = $viaQuery->findWith($viaName, $primaryModels);
+			$viaModels = $viaQuery->populateRelation($viaName, $primaryModels);
 			$this->filterByModels($viaModels);
 		} else {
 			$this->filterByModels($primaryModels);