Implemented mset, madd for cache. Added tests.

framework/yii/caching/ApcCache.php

@@ -71,6 +71,17 @@ class ApcCache extends Cache
 		return apc_store($key, $value, $expire);
 	}
 
+	/**
+	 * Stores multiple key-value pairs in cache.
+	 * @param array $data array where key corresponds to cache key while value
+	 * @param integer $expire the number of seconds in which the cached values will expire. 0 means never expire.
+	 * @return array array of failed keys
+	 */
+	protected function setValues($data, $expire)
+	{
+		return array_keys(apc_store($data, null, $expire));
+	}
+
 	/**
 	 * Stores a value identified by a key into cache if the cache does not contain this key.
 	 * This is the implementation of the method declared in the parent class.
@@ -84,6 +95,17 @@ class ApcCache extends Cache
 		return apc_add($key, $value, $expire);
 	}
 
+	/**
+	 * Adds multiple key-value pairs to cache.
+	 * @param array $data array where key corresponds to cache key while value is the value stored
+	 * @param integer $expire the number of seconds in which the cached values will expire. 0 means never expire.
+	 * @return array array of failed keys
+	 */
+	protected function addValues($data, $expire)
+	{
+		return array_keys(apc_add($data, null, $expire));
+	}
+
 	/**
 	 * Deletes a value with the specified key from cache
 	 * This is the implementation of the method declared in the parent class.

framework/yii/caching/Cache.php

@@ -220,14 +220,62 @@ abstract class Cache extends Component implements \ArrayAccess
 	 * If the cache already contains such a key, the existing value and
 	 * expiration time will be replaced with the new ones, respectively.
 	 *
-	 * @param array $items the items to be cached, as key-value pairs. Each key can be a simple string or
-	 * a complex data structure consisting of factors representing the key.
-	 * @param integer $expire the number of seconds in which the cached value will expire. 0 means never expire.
+	 * @param array $items the items to be cached, as key-value pairs.
+	 * @param integer $expire default number of seconds in which the cached values will expire. 0 means never expire.
+	 * @param Dependency $dependency dependency of the cached items. If the dependency changes,
+	 * the corresponding values in the cache will be invalidated when it is fetched via [[get()]].
+	 * This parameter is ignored if [[serializer]] is false.
 	 * @return boolean whether the items are successfully stored into cache
 	 */
-	public function mset($items, $expire = 0)
+	public function mset($items, $expire = 0, $dependency = null)
 	{
-		return false;
+		if ($dependency !== null && $this->serializer !== false) {
+			$dependency->evaluateDependency($this);
+		}
+
+		$data = [];
+		foreach ($items as $key => $value) {
+			$itemKey = $this->buildKey($key);
+			if ($this->serializer === null) {
+				$itemValue = serialize([$value, $dependency]);
+			} elseif ($this->serializer !== false) {
+				$itemValue = call_user_func($this->serializer[0], [$value, $dependency]);
+			}
+
+			$data[$itemKey] = $itemValue;
+		}
+		return $this->setValues($data, $expire);
+	}
+
+	/**
+	 * Stores multiple items in cache. Each item contains a value identified by a key.
+	 * If the cache already contains such a key, the existing value and expiration time will be preserved.
+	 *
+	 * @param array $items the items to be cached, as key-value pairs.
+	 * @param integer $expire default number of seconds in which the cached values will expire. 0 means never expire.
+	 * @param Dependency $dependency dependency of the cached items. If the dependency changes,
+	 * the corresponding values in the cache will be invalidated when it is fetched via [[get()]].
+	 * This parameter is ignored if [[serializer]] is false.
+	 * @return boolean whether the items are successfully stored into cache
+	 */
+	public function madd($items, $expire = 0, $dependency = null)
+	{
+		if ($dependency !== null && $this->serializer !== false) {
+			$dependency->evaluateDependency($this);
+		}
+
+		$data = [];
+		foreach ($items as $key => $value) {
+			$itemKey = $this->buildKey($key);
+			if ($this->serializer === null) {
+				$itemValue = serialize([$value, $dependency]);
+			} elseif ($this->serializer !== false) {
+				$itemValue = call_user_func($this->serializer[0], [$value, $dependency]);
+			}
+
+			$data[$itemKey] = $itemValue;
+		}
+		return $this->addValues($data, $expire);
 	}
 
 	/**
@@ -341,6 +389,46 @@ abstract class Cache extends Component implements \ArrayAccess
 		return $results;
 	}
 
+	/**
+	 * Stores multiple key-value pairs in cache.
+	 * The default implementation calls [[setValue()]] multiple times store values one by one. If the underlying cache
+	 * storage supports multiset, this method should be overridden to exploit that feature.
+	 * @param array $data array where key corresponds to cache key while value is the value stored
+	 * @param integer $expire the number of seconds in which the cached values will expire. 0 means never expire.
+	 * @return array array of failed keys
+	 */
+	protected function setValues($data, $expire)
+	{
+		$failedKeys = [];
+		foreach ($data as $key => $value)
+		{
+			if ($this->setValue($key, $value, $expire) === false) {
+				$failedKeys[] = $key;
+			}
+		}
+		return $failedKeys;
+	}
+
+	/**
+	 * Adds multiple key-value pairs to cache.
+	 * The default implementation calls [[addValue()]] multiple times add values one by one. If the underlying cache
+	 * storage supports multiadd, this method should be overridden to exploit that feature.
+	 * @param array $data array where key corresponds to cache key while value is the value stored
+	 * @param integer $expire the number of seconds in which the cached values will expire. 0 means never expire.
+	 * @return array array of failed keys
+	 */
+	protected function addValues($data, $expire)
+	{
+		$failedKeys = [];
+		foreach ($data as $key => $value)
+		{
+			if ($this->addValue($key, $value, $expire) === false) {
+				$failedKeys[] = $key;
+			}
+		}
+		return $failedKeys;
+	}
+
 	/**
 	 * Returns whether there is a cache entry with a specified key.
 	 * This method is required by the interface ArrayAccess.

framework/yii/caching/MemCache.php

@@ -201,6 +201,27 @@ class MemCache extends Cache
 		return $this->useMemcached ? $this->_cache->set($key, $value, $expire) : $this->_cache->set($key, $value, 0, $expire);
 	}
 
+	/**
+	 * Stores multiple key-value pairs in cache.
+	 * @param array $data array where key corresponds to cache key while value is the value stored
+	 * @param integer $expire the number of seconds in which the cached values will expire. 0 means never expire.
+	 * @return array array of failed keys. Always empty in case of using memcached.
+	 */
+	protected function setValues($data, $expire)
+	{
+		if ($this->useMemcached) {
+			if ($expire > 0) {
+				$expire += time();
+			} else {
+				$expire = 0;
+			}
+			$this->_cache->setMulti($data, $expire);
+			return [];
+		} else {
+			return parent::setValues($data, $expire);
+		}
+	}
+
 	/**
 	 * Stores a value identified by a key into cache if the cache does not contain this key.
 	 * This is the implementation of the method declared in the parent class.

framework/yii/caching/WinCache.php

@@ -71,6 +71,17 @@ class WinCache extends Cache
 		return wincache_ucache_set($key, $value, $expire);
 	}
 
+	/**
+	 * Stores multiple key-value pairs in cache.
+	 * @param array $data array where key corresponds to cache key while value is the value stored
+	 * @param integer $expire the number of seconds in which the cached values will expire. 0 means never expire.
+	 * @return array array of failed keys
+	 */
+	protected function setValues($data, $expire)
+	{
+		return wincache_ucache_set($data, null, $expire);
+	}
+
 	/**
 	 * Stores a value identified by a key into cache if the cache does not contain this key.
 	 * This is the implementation of the method declared in the parent class.
@@ -85,6 +96,19 @@ class WinCache extends Cache
 		return wincache_ucache_add($key, $value, $expire);
 	}
 
+	/**
+	 * Adds multiple key-value pairs to cache.
+	 * The default implementation calls [[addValue()]] multiple times add values one by one. If the underlying cache
+	 * storage supports multiadd, this method should be overridden to exploit that feature.
+	 * @param array $data array where key corresponds to cache key while value is the value stored
+	 * @param integer $expire the number of seconds in which the cached values will expire. 0 means never expire.
+	 * @return array array of failed keys
+	 */
+	protected function addValues($data, $expire)
+	{
+		return wincache_ucache_add($data, null, $expire);
+	}
+
 	/**
 	 * Deletes a value with the specified key from cache
 	 * This is the implementation of the method declared in the parent class.

tests/unit/framework/caching/CacheTestCase.php

@@ -93,15 +93,14 @@ abstract class CacheTestCase extends TestCase
 
 	public function testMset()
 	{
-		$this->markTestIncomplete('Work in progress');
-
 		$cache = $this->getCacheInstance();
 		$cache->flush();
 
-		$this->assertTrue($cache->mset(['string_test' => 'string_test',
-						'number_test' => 42,
-						'array_test' => ['array_test' => 'array_test'],
-						]));
+		$cache->mset([
+			'string_test' => 'string_test',
+			'number_test' => 42,
+			'array_test' => ['array_test' => 'array_test'],
+		]);
 
 		$this->assertEquals('string_test', $cache->get('string_test'));
 
@@ -185,6 +184,21 @@ abstract class CacheTestCase extends TestCase
 		$this->assertEquals(13, $cache->get('add_test'));
 	}
 
+	public function testMadd()
+	{
+		$cache = $this->prepare();
+
+		$this->assertFalse($cache->get('add_test'));
+
+		$cache->madd([
+			'number_test' => 13,
+			'add_test' => 13,
+		]);
+
+		$this->assertEquals(42, $cache->get('number_test'));
+		$this->assertEquals(13, $cache->get('add_test'));
+	}
+
 	public function testDelete()
 	{
 		$cache = $this->prepare();