[Beeframework-svn] SF.net SVN: beeframework:[65] trunk/framework/Bee

[<m_p...@us...>]

Revision: 65
          http://sourceforge.net/p/beeframework/code/65
Author:   m_plomer
Date:     2013-08-24 17:16:44 +0000 (Sat, 24 Aug 2013)
Log Message:
-----------
- EnumBase / EnumType

Modified Paths:
--------------
    trunk/framework/Bee/Persistence/Doctrine2/Types/EnumType.php

Added Paths:
-----------
    trunk/framework/Bee/Utils/EnumBase.php

Modified: trunk/framework/Bee/Persistence/Doctrine2/Types/EnumType.php
===================================================================
--- trunk/framework/Bee/Persistence/Doctrine2/Types/EnumType.php	2013-08-24 14:04:11 UTC (rev 64)
+++ trunk/framework/Bee/Persistence/Doctrine2/Types/EnumType.php	2013-08-24 17:16:44 UTC (rev 65)
@@ -7,8 +7,9 @@
  * Class EnumType
  * @package Bee\Persistence\Doctrine2\Types
  */
-abstract class EnumType extends Type
-{
+abstract class EnumType extends Type {
+
+	const ENUM_BASE_TYPE = 'Bee\Utils\EnumBase';
 	/**
 	 * @var array
 	 */
@@ -19,37 +20,41 @@
 	 */
 	private $name;
 
+	private $reflClass;
+
+	protected abstract function getEnumClassName();
+
 	public function __construct() {
-		$reflClass = new \ReflectionClass($this);
-		$this->values = array_diff_key($reflClass->getConstants(), array('ENUM_NAME'));
-		$this->name = $reflClass->getConstant('ENUM_NAME');
+		$this->reflClass = new \ReflectionClass($this->getEnumClassName());
+		if (!$this->reflClass->isSubclassOf(self::ENUM_BASE_TYPE)) {
+			throw new \UnexpectedValueException('"' . $this->reflClass . '" is not a subclass of "' . self::ENUM_BASE_TYPE . '"');
+		}
+
+		$this->name = 'enum_' . str_replace('\\', '', $this->getEnumClassName());
 	}
 
-	protected function getValues() {
-		return $this->values;
+	public function getSqlDeclaration(array $fieldDeclaration, AbstractPlatform $platform) {
+		$values = array_map(function ($val) {
+			return "'" . $val . "'";
+		}, $this->reflClass->getMethod('getValues')->invoke(null));
+		return "ENUM(" . implode(", ", $values) . ") COMMENT '(DC2Type:" . $this->name . ")'";
 	}
 
-    public function getSqlDeclaration(array $fieldDeclaration, AbstractPlatform $platform)
-    {
-        $values = array_map(function($val) { return "'".$val."'"; }, $this->getValues());
-        return "ENUM(".implode(", ", $values).") COMMENT '(DC2Type:".$this->name.")'";
-    }
+	public function convertToPHPValue($value, AbstractPlatform $platform) {
+		return $this->reflClass->getMethod('get')->invoke(null, $value);
+	}
 
-    public function convertToPHPValue($value, AbstractPlatform $platform)
-    {
-        return $value;
-    }
+	public function convertToDatabaseValue($value, AbstractPlatform $platform) {
+		if (!$this->reflClass->isInstance($value)) {
+			throw new \UnexpectedValueException('Not a valid enum element for "' . self::ENUM_BASE_TYPE . '": ' . $value);
+		}
+		// check if value is valid
+		self::convertToPHPValue($value->val(), $platform);
+		// return actual value
+		return $value->val();
+	}
 
-    public function convertToDatabaseValue($value, AbstractPlatform $platform)
-    {
-        if (!in_array($value, $this->getValues())) {
-            throw new \InvalidArgumentException("Invalid '".$this->name."' value.");
-        }
-        return $value;
-    }
-
-    public function getName()
-    {
-        return $this->name;
-    }
+	public function getName() {
+		return $this->name;
+	}
 }
\ No newline at end of file

Added: trunk/framework/Bee/Utils/EnumBase.php
===================================================================
--- trunk/framework/Bee/Utils/EnumBase.php	                        (rev 0)
+++ trunk/framework/Bee/Utils/EnumBase.php	2013-08-24 17:16:44 UTC (rev 65)
@@ -0,0 +1,122 @@
+<?php
+namespace Bee\Utils;
+/*
+ * Copyright 2008-2010 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+use ReflectionClass;
+
+/**
+ * Class EnumBase
+ * @package Bee\Utils
+ */
+abstract class EnumBase {
+
+	/**
+	 * @var ReflectionClass
+	 */
+	private static $reflClass = null;
+
+	/**
+	 * @var array
+	 */
+	private static $valueToName = null;
+
+	/**
+	 * @var EnumBase
+	 */
+	private static $instancesByValue = null;
+
+	/**
+	 * @var EnumBase
+	 */
+	private static $instancesByOid = null;
+
+	/**
+	 * @var mixed
+	 */
+	private $value;
+
+	private final function __construct($value) {
+		$this->value = $value;
+	}
+
+	/**
+	 * @return mixed
+	 */
+	public final function val() {
+		return $this->value;
+	}
+
+	/**
+	 * @return array
+	 */
+	public static function getValues() {
+		self::init();
+		return array_keys(self::$valueToName);
+	}
+
+	/**
+	 * Check if valid instance
+	 * @param EnumBase $inst
+	 * @return bool
+	 */
+	public static function has(EnumBase $inst) {
+		// no need to call init, as
+		return isset(self::$instancesByOid[spl_object_hash($inst)]);
+	}
+
+	/**
+	 * Retrieve singleton instance
+	 *
+	 * @param $value
+	 * @return EnumBase
+	 * @throws \UnexpectedValueException
+	 */
+	public static function get($value) {
+		self::init();
+		if(!isset(self::$valueToName[$value])) {
+			throw new \UnexpectedValueException('Invalid value "' . $value . '" for enum ' . self::$reflClass->getShortName());
+		}
+
+		if(!isset(self::$instancesByValue[$value])) {
+			$name = self::$valueToName[$value];
+			$className = self::$reflClass->getName();
+			$instanceClassName = class_exists($className . '_' . $name, false) ? $className . '_' . $name : $className;
+			$inst = new $instanceClassName($value);
+			self::$instancesByValue[$value] = $inst;
+			self::$instancesByOid[spl_object_hash($inst)] = $inst;
+		}
+
+		return self::$instancesByValue[$value];
+	}
+
+	private static function init() {
+		if(is_null(self::$reflClass)) {
+			self::$reflClass = new \ReflectionClass(new static(false));
+			$constants = self::$reflClass->getConstants();
+			self::$valueToName = array_flip($constants);
+			if(count($constants) !== count(self::$valueToName)) {
+				throw new \UnexpectedValueException('Invalid enum definition ' . self::$reflClass->getName() .' : const values probably not unique');
+			}
+		}
+	}
+
+	private function __clone() {
+	}
+
+	private function __wakeup() {
+	}
+}
+ 
\ No newline at end of file

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