refactored event declaration convention.

framework/base/Model.php

@@ -38,15 +38,21 @@ use yii\validators\RequiredValidator;
  * @property array $attributes Attribute values (name=>value).
  * @property string $scenario The scenario that this model is in.
  *
- * @event ModelEvent beforeValidate an event raised at the beginning of [[validate()]]. You may set
- * [[ModelEvent::isValid]] to be false to stop the validation.
- * @event Event afterValidate an event raised at the end of [[validate()]]
- *
  * @author Qiang Xue <qiang.xue@gmail.com>
  * @since 2.0
  */
 class Model extends Component implements \IteratorAggregate, \ArrayAccess
 {
+	/**
+	 * @event ModelEvent an event raised at the beginning of [[validate()]]. You may set
+	 * [[ModelEvent::isValid]] to be false to stop the validation.
+	 */
+	const EVENT_BEFORE_VALIDATE = 'beforeValidate';
+	/**
+	 * @event Event an event raised at the end of [[validate()]]
+	 */
+	const EVENT_AFTER_VALIDATE = 'afterValidate';
+
 	private static $_attributes = array(); // class name => array of attribute names
 	private $_errors; // attribute name => array of errors
 	private $_validators; // Vector of validators
@@ -250,7 +256,7 @@ class Model extends Component implements \IteratorAggregate, \ArrayAccess
 	public function beforeValidate()
 	{
 		$event = new ModelEvent($this);
-		$this->trigger('beforeValidate', $event);
+		$this->trigger(self::EVENT_BEFORE_VALIDATE, $event);
 		return $event->isValid;
 	}
 
@@ -262,7 +268,7 @@ class Model extends Component implements \IteratorAggregate, \ArrayAccess
 	 */
 	public function afterValidate()
 	{
-		$this->trigger('afterValidate');
+		$this->trigger(self::EVENT_AFTER_VALIDATE);
 	}
 
 	/**

framework/db/ActiveRecord.php

@@ -11,6 +11,7 @@
 namespace yii\db;
 
 use yii\base\Model;
+use yii\base\Event;
 use yii\base\ModelEvent;
 use yii\base\UnknownMethodException;
 use yii\base\InvalidCallException;
@@ -32,24 +33,48 @@ use yii\util\StringHelper;
  * @property mixed $primaryKey the primary key value.
  * @property mixed $oldPrimaryKey the old primary key value.
  *
- * @event ModelEvent init an event that is triggered when the record is initialized (in [[init()]]).
- * @event ModelEvent afterFind an event that is triggered after the record is created and populated with query result.
- * @event ModelEvent beforeInsert an event that is triggered before inserting a record.
- * You may set [[ModelEvent::isValid]] to be false to stop the insertion.
- * @event Event afterInsert an event that is triggered before inserting a record.
- * @event ModelEvent beforeUpdate an event that is triggered before updating a record.
- * You may set [[ModelEvent::isValid]] to be false to stop the update.
- * @event Event afterUpdate an event that is triggered before updating a record.
- * @event ModelEvent beforeDelete an event that is triggered before deleting a record.
- * You may set [[ModelEvent::isValid]] to be false to stop the deletion.
- * @event Event afterDelete an event that is triggered after deleting a record.
- *
  * @author Qiang Xue <qiang.xue@gmail.com>
  * @since 2.0
  */
 class ActiveRecord extends Model
 {
 	/**
+	 * @event Event an event that is triggered when the record is initialized via [[init()]].
+	 */
+	const EVENT_INIT = 'init';
+	/**
+	 * @event Event an event that is triggered after the record is created and populated with query result.
+	 */
+	const EVENT_AFTER_FIND = 'afterFind';
+	/**
+	 * @event ModelEvent an event that is triggered before inserting a record.
+	 * You may set [[ModelEvent::isValid]] to be false to stop the insertion.
+	 */
+	const EVENT_BEFORE_INSERT = 'beforeInsert';
+	/**
+	 * @event Event an event that is triggered after a record is inserted.
+	 */
+	const EVENT_AFTER_INSERT = 'afterInsert';
+	/**
+	 * @event ModelEvent an event that is triggered before updating a record.
+	 * You may set [[ModelEvent::isValid]] to be false to stop the update.
+	 */
+	const EVENT_BEFORE_UPDATE = 'beforeUpdate';
+	/**
+	 * @event Event an event that is triggered after a record is updated.
+	 */
+	const EVENT_AFTER_UPDATE = 'afterUpdate';
+	/**
+	 * @event ModelEvent an event that is triggered before deleting a record.
+	 * You may set [[ModelEvent::isValid]] to be false to stop the deletion.
+	 */
+	const EVENT_BEFORE_DELETE = 'beforeDelete';
+	/**
+	 * @event Event an event that is triggered after a record is deleted.
+	 */
+	const EVENT_AFTER_DELETE = 'afterDelete';
+
+	/**
 	 * @var array attribute values indexed by attribute names
 	 */
 	private $_attributes = array();
@@ -773,7 +798,7 @@ class ActiveRecord extends Model
 	public function init()
 	{
 		parent::init();
-		$this->trigger('init');
+		$this->trigger(self::EVENT_INIT);
 	}
 
 	/**
@@ -784,7 +809,7 @@ class ActiveRecord extends Model
 	 */
 	public function afterFind()
 	{
-		$this->trigger('afterFind');
+		$this->trigger(self::EVENT_AFTER_FIND);
 	}
 
 	/**
@@ -823,7 +848,7 @@ class ActiveRecord extends Model
 	public function beforeSave($insert)
 	{
 		$event = new ModelEvent($this);
-		$this->trigger($insert ? 'beforeInsert' : 'beforeUpdate', $event);
+		$this->trigger($insert ? self::EVENT_BEFORE_INSERT : self::EVENT_BEFORE_UPDATE, $event);
 		return $event->isValid;
 	}
 
@@ -838,7 +863,7 @@ class ActiveRecord extends Model
 	 */
 	public function afterSave($insert)
 	{
-		$this->trigger($insert ? 'afterInsert' : 'afterUpdate');
+		$this->trigger($insert ? self::EVENT_AFTER_INSERT : self::EVENT_AFTER_UPDATE);
 	}
 
 	/**
@@ -863,7 +888,7 @@ class ActiveRecord extends Model
 	public function beforeDelete()
 	{
 		$event = new ModelEvent($this);
-		$this->trigger('beforeDelete', $event);
+		$this->trigger(self::EVENT_BEFORE_DELETE, $event);
 		return $event->isValid;
 	}
 
@@ -875,7 +900,7 @@ class ActiveRecord extends Model
 	 */
 	public function afterDelete()
 	{
-		$this->trigger('afterDelete');
+		$this->trigger(self::EVENT_AFTER_DELETE);
 	}
 
 	/**

framework/db/Connection.php

@@ -95,14 +95,17 @@ use yii\base\NotSupportedException;
  * @property string $driverName Name of the DB driver currently being used.
  * @property array $querySummary The statistical results of SQL queries.
  *
- * @event Event afterOpen this event is triggered after a DB connection is established
- *
  * @author Qiang Xue <qiang.xue@gmail.com>
  * @since 2.0
  */
 class Connection extends \yii\base\ApplicationComponent
 {
 	/**
+	 * @event Event an event that is triggered after a DB connection is established
+	 */
+	const EVENT_AFTER_OPEN = 'afterOpen';
+
+	/**
 	 * @var string the Data Source Name, or DSN, contains the information required to connect to the database.
 	 * Please refer to the [PHP manual](http://www.php.net/manual/en/function.PDO-construct.php) on
 	 * the format of the DSN string.
@@ -382,7 +385,7 @@ class Connection extends \yii\base\ApplicationComponent
 		if ($this->charset !== null && in_array($this->getDriverName(), array('pgsql', 'mysql', 'mysqli'))) {
 			$this->pdo->exec('SET NAMES ' . $this->pdo->quote($this->charset));
 		}
-		$this->trigger('afterOpen');
+		$this->trigger(self::EVENT_AFTER_OPEN);
 	}
 
 	/**

framework/logging/Logger.php

@@ -9,6 +9,8 @@
 
 namespace yii\logging;
 
+use yii\base\Event;
+
 /**
  * Logger records logged messages in memory.
  *
@@ -18,13 +20,16 @@ namespace yii\logging;
  *
  * Logger provides a set of events for further customization:
  *
- * - `flush`. Raised on logs flush.
- *
  * @author Qiang Xue <qiang.xue@gmail.com>
  * @since 2.0
  */
 class Logger extends \yii\base\Component
 {
+	/**
+	 * @event Event an event that is triggered when messages are being flushed from memory to targets
+	 */
+	const EVENT_FLUSH = 'flush';
+
 	const LEVEL_ERROR = 'error';
 	const LEVEL_WARNING = 'warning';
 	const LEVEL_INFO = 'info';
@@ -105,8 +110,8 @@ class Logger extends \yii\base\Component
 
 	/**
 	 * Marks the beginning of a code block for profiling.
-	 * This has to be matched with a call to [[endProfile]] with the same category name.
-	 * The begin- and end- calls must also be properly nested. For example,
+	 * This has to be matched with a call to [[endProfile()]] with the same category name.
+	 * The begin- and end- calls must also be properly nested.
 	 * @param string $token token for the code block
 	 * @param string $category the category of this log message
 	 * @see endProfile
@@ -118,7 +123,7 @@ class Logger extends \yii\base\Component
 
 	/**
 	 * Marks the end of a code block for profiling.
-	 * This has to be matched with a previous call to [[beginProfile]] with the same category name.
+	 * This has to be matched with a previous call to [[beginProfile()]] with the same category name.
 	 * @param string $token token for the code block
 	 * @param string $category the category of this log message
 	 * @see beginProfile
@@ -153,14 +158,14 @@ class Logger extends \yii\base\Component
 			}
 		}
 		$this->messages[] = array($message, $level, $category, $time);
-		if (count($this->messages) >= $this->flushInterval && $this->flushInterval > 0) {
+		if ($this->flushInterval > 0 && count($this->messages) >= $this->flushInterval) {
 			$this->flush();
 		}
 	}
 
 	/**
-	 * Removes all recorded messages from the memory.
-	 * This method will raise a `flush` event.
+	 * Flushes log messages from memory to targets.
+	 * This method will trigger a [[flush]] event.
 	 */
 	public function flush()
 	{
@@ -191,7 +196,7 @@ class Logger extends \yii\base\Component
 	 * You can use an asterisk at the end of a category to do a prefix match.
 	 * For example, 'yii\db\*' will match categories starting with 'yii\db\',
 	 * such as 'yii\db\Connection'.
-	 * @param array $excludeCategories list of categories that you are interested in.
+	 * @param array $excludeCategories list of categories that you want to exclude
 	 * @return array the profiling results. Each array element has the following structure:
 	 *  `array($token, $category, $time)`.
 	 */