diff --git a/lib/Doctrine/ORM/Cache/Region/DefaultRegion.php b/lib/Doctrine/ORM/Cache/Region/DefaultRegion.php
index b4b5b1b1d..ab518ff65 100644
--- a/lib/Doctrine/ORM/Cache/Region/DefaultRegion.php
+++ b/lib/Doctrine/ORM/Cache/Region/DefaultRegion.php
@@ -72,7 +72,7 @@ class DefaultRegion implements Region
     }
 
     /**
-     * @return \Doctrine\Common\Cache\Cache
+     * @return \Doctrine\Common\Cache\CacheProvider
      */
     public function getCache()
     {
diff --git a/lib/Doctrine/ORM/Tools/Console/Command/ClearCache/CollectionRegionCommand.php b/lib/Doctrine/ORM/Tools/Console/Command/ClearCache/CollectionRegionCommand.php
new file mode 100644
index 000000000..80df37a64
--- /dev/null
+++ b/lib/Doctrine/ORM/Tools/Console/Command/ClearCache/CollectionRegionCommand.php
@@ -0,0 +1,134 @@
+<?php
+/*
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the MIT license. For more information, see
+ * <http://www.doctrine-project.org>.
+ */
+
+namespace Doctrine\ORM\Tools\Console\Command\ClearCache;
+
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Doctrine\ORM\Cache\Region\DefaultRegion;
+use Doctrine\ORM\Cache;
+
+/**
+ * Command to clear a collection cache region.
+ *
+ * @since   2.5
+ * @author  Fabio B. Silva <fabio.bat.silva@gmail.com>
+ */
+class CollectionRegionCommand extends Command
+{
+    /**
+     * {@inheritdoc}
+     */
+    protected function configure()
+    {
+        $this
+        ->setName('orm:clear-cache:region:collection')
+        ->setDescription('Clear a second-level cache collection region.')
+        ->addArgument('owner-class', InputArgument::OPTIONAL, 'The owner entity name.')
+        ->addArgument('association', InputArgument::OPTIONAL, 'The association collection name.')
+        ->addArgument('owner-id', InputArgument::OPTIONAL, 'The owner identifier.')
+        ->addOption('all', null, InputOption::VALUE_NONE, 'If defined, all entity regions will be deleted/invalidated.')
+        ->addOption('flush', null, InputOption::VALUE_NONE,'If defined, all cache entries will be flushed.');
+
+
+        $this->setHelp(<<<EOT
+The <info>%command.name%</info> command is meant to clear a second-level cache collection regions for an associated Entity Manager.
+It is possible to delete/invalidate all collection region, a specific collection region or flushes the cache provider.
+
+The execution type differ on how you execute the command.
+If you want to invalidate all entries for an collection region this command would do the work:
+
+<info>%command.name% 'Entities\MyEntity' 'collectionName'</info>
+
+To invalidate a specific entry you should use :
+
+<info>%command.name% 'Entities\MyEntity' 'collectionName' 1</info>
+
+If you want to invalidate all entries for the all collection regions:
+
+<info>%command.name% --all</info>
+
+Alternatively, if you want to flush the configured cache provider for an collection region use this command:
+
+<info>%command.name% 'Entities\MyEntity' 'collectionName' --flush</info>
+
+Finally, be aware that if <info>--flush</info> option is passed,
+not all cache providers are able to flush entries, because of a limitation of its execution nature.
+EOT
+        );
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        $em          = $this->getHelper('em')->getEntityManager();
+        $ownerClass  = $input->getArgument('owner-class');
+        $assoc       = $input->getArgument('association');
+        $ownerId     = $input->getArgument('owner-id');
+        $cache       = $em->getCache();
+
+        if ( ! $cache instanceof Cache) {
+            throw new \InvalidArgumentException('No second-level cache is configured on the given EntityManager.');
+        }
+
+        if ( (! $ownerClass || ! $assoc) && ! $input->getOption('all')) {
+            throw new \InvalidArgumentException('Missing arguments "--owner-class" "--association"');
+        }
+
+        if ($input->getOption('flush')) {
+            $collectionRegion  = $cache->getCollectionCacheRegion($ownerClass, $assoc);
+
+            if ( ! $collectionRegion instanceof DefaultRegion) {
+                throw new \InvalidArgumentException(sprintf(
+                    'The option "--flush" expects a "Doctrine\ORM\Cache\Region\DefaultRegion", but got "%s".',
+                    is_object($collectionRegion) ? get_class($collectionRegion) : gettype($collectionRegion)
+                ));
+            }
+
+            $collectionRegion->getCache()->flushAll();
+
+            $output->writeln(sprintf('Flushing cache provider configured for <info>"%s#%s"</info>', $ownerClass, $assoc));
+
+            return;
+        }
+
+        if ($input->getOption('all')) {
+            $output->writeln('Clearing <info>all</info> second-level cache collection regions');
+
+            $cache->evictEntityRegions();
+
+            return;
+        }
+
+        if ($ownerId) {
+            $output->writeln(sprintf('Clearing second-level cache entry for collection <info>"%s#%s"</info> owner entity identified by <info>"%s"</info>', $ownerClass, $assoc, $ownerId));
+            $cache->evictCollection($ownerClass, $assoc, $ownerId);
+
+            return;
+        }
+
+        $output->writeln(sprintf('Clearing second-level cache for collection <info>"%s#%s"</info>', $ownerClass, $assoc));
+        $cache->evictCollectionRegion($ownerClass, $assoc);
+    }
+}
\ No newline at end of file
diff --git a/lib/Doctrine/ORM/Tools/Console/Command/ClearCache/EntityRegionCommand.php b/lib/Doctrine/ORM/Tools/Console/Command/ClearCache/EntityRegionCommand.php
new file mode 100644
index 000000000..21f6e9de9
--- /dev/null
+++ b/lib/Doctrine/ORM/Tools/Console/Command/ClearCache/EntityRegionCommand.php
@@ -0,0 +1,132 @@
+<?php
+/*
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the MIT license. For more information, see
+ * <http://www.doctrine-project.org>.
+ */
+
+namespace Doctrine\ORM\Tools\Console\Command\ClearCache;
+
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Doctrine\ORM\Cache\Region\DefaultRegion;
+use Doctrine\ORM\Cache;
+
+/**
+ * Command to clear a entity cache region.
+ *
+ * @since   2.5
+ * @author  Fabio B. Silva <fabio.bat.silva@gmail.com>
+ */
+class EntityRegionCommand extends Command
+{
+    /**
+     * {@inheritdoc}
+     */
+    protected function configure()
+    {
+        $this
+        ->setName('orm:clear-cache:region:entity')
+        ->setDescription('Clear a second-level cache entity region.')
+        ->addArgument('entity-class', InputArgument::OPTIONAL, 'The entity name.')
+        ->addArgument('entity-id', InputArgument::OPTIONAL, 'The entity identifier.')
+        ->addOption('all', null, InputOption::VALUE_NONE, 'If defined, all entity regions will be deleted/invalidated.')
+        ->addOption('flush', null, InputOption::VALUE_NONE,'If defined, all cache entries will be flushed.');
+
+
+        $this->setHelp(<<<EOT
+The <info>%command.name%</info> command is meant to clear a second-level cache entity region for an associated Entity Manager.
+It is possible to delete/invalidate all entity region, a specific entity region or flushes the cache provider.
+
+The execution type differ on how you execute the command.
+If you want to invalidate all entries for an entity region this command would do the work:
+
+<info>%command.name% 'Entities\MyEntity'</info>
+
+To invalidate a specific entry you should use :
+
+<info>%command.name% 'Entities\MyEntity' 1</info>
+
+If you want to invalidate all entries for the all entity regions:
+
+<info>%command.name% --all</info>
+
+Alternatively, if you want to flush the configured cache provider for an entity region use this command:
+
+<info>%command.name% 'Entities\MyEntity' --flush</info>
+
+Finally, be aware that if <info>--flush</info> option is passed,
+not all cache providers are able to flush entries, because of a limitation of its execution nature.
+EOT
+        );
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        $em          = $this->getHelper('em')->getEntityManager();
+        $entityClass = $input->getArgument('entity-class');
+        $entityId    = $input->getArgument('entity-id');
+        $cache       = $em->getCache();
+
+        if ( ! $cache instanceof Cache) {
+            throw new \InvalidArgumentException('No second-level cache is configured on the given EntityManager.');
+        }
+
+        if ( ! $entityClass && ! $input->getOption('all')) {
+            throw new \InvalidArgumentException('Invalid argument "--entity-class"');
+        }
+
+        if ($input->getOption('flush')) {
+            $entityRegion  = $cache->getEntityCacheRegion($entityClass);
+
+            if ( ! $entityRegion instanceof DefaultRegion) {
+                throw new \InvalidArgumentException(sprintf(
+                    'The option "--flush" expects a "Doctrine\ORM\Cache\Region\DefaultRegion", but got "%s".',
+                    is_object($entityRegion) ? get_class($entityRegion) : gettype($entityRegion)
+                ));
+            }
+
+            $entityRegion->getCache()->flushAll();
+
+            $output->writeln(sprintf('Flushing cache provider configured for entity named <info>"%s"</info>', $entityClass));
+
+            return;
+        }
+
+        if ($input->getOption('all')) {
+            $output->writeln('Clearing <info>all</info> second-level cache entity regions');
+
+            $cache->evictEntityRegions();
+
+            return;
+        }
+
+        if ($entityId) {
+            $output->writeln(sprintf('Clearing second-level cache entry for entity <info>"%s"</info> identified by <info>"%s"</info>', $entityClass, $entityId));
+            $cache->evictEntity($entityClass, $entityId);
+
+            return;
+        }
+
+        $output->writeln(sprintf('Clearing second-level cache for entity <info>"%s"</info>', $entityClass));
+        $cache->evictEntityRegion($entityClass);
+    }
+}
\ No newline at end of file
diff --git a/lib/Doctrine/ORM/Tools/Console/Command/ClearCache/QueryRegionCommand.php b/lib/Doctrine/ORM/Tools/Console/Command/ClearCache/QueryRegionCommand.php
new file mode 100644
index 000000000..b5d75d3b3
--- /dev/null
+++ b/lib/Doctrine/ORM/Tools/Console/Command/ClearCache/QueryRegionCommand.php
@@ -0,0 +1,124 @@
+<?php
+/*
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the MIT license. For more information, see
+ * <http://www.doctrine-project.org>.
+ */
+
+namespace Doctrine\ORM\Tools\Console\Command\ClearCache;
+
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Doctrine\ORM\Cache\Region\DefaultRegion;
+use Doctrine\ORM\Cache;
+
+/**
+ * Command to clear a query cache region.
+ *
+ * @since   2.5
+ * @author  Fabio B. Silva <fabio.bat.silva@gmail.com>
+ */
+class QueryRegionCommand extends Command
+{
+    /**
+     * {@inheritdoc}
+     */
+    protected function configure()
+    {
+        $this
+        ->setName('orm:clear-cache:region:query')
+        ->setDescription('Clear a second-level cache query region.')
+        ->addArgument('region-name', InputArgument::OPTIONAL, 'The query region to clear.')
+        ->addOption('all', null, InputOption::VALUE_NONE, 'If defined, all query regions will be deleted/invalidated.')
+        ->addOption('flush', null, InputOption::VALUE_NONE,'If defined, all cache entries will be flushed.');
+
+
+        $this->setHelp(<<<EOT
+The <info>%command.name%</info> command is meant to clear a second-level cache query region for an associated Entity Manager.
+It is possible to delete/invalidate all query region, a specific query region or flushes the cache provider.
+
+The execution type differ on how you execute the command.
+If you want to invalidate all entries for the default query region this command would do the work:
+
+<info>%command.name%</info>
+
+To invalidate entries for a specific query region you should use :
+
+<info>%command.name% my_region_name</info>
+
+If you want to invalidate all entries for the all query region:
+
+<info>%command.name% --all</info>
+
+Alternatively, if you want to flush the configured cache provider use this command:
+
+<info>%command.name% my_region_name --flush</info>
+
+Finally, be aware that if <info>--flush</info> option is passed,
+not all cache providers are able to flush entries, because of a limitation of its execution nature.
+EOT
+        );
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        $em    = $this->getHelper('em')->getEntityManager();
+        $name  = $input->getArgument('region-name');
+        $cache = $em->getCache();
+
+        if ($name === null) {
+            $name = Cache::DEFAULT_QUERY_REGION_NAME;
+        }
+
+        if ( ! $cache instanceof Cache) {
+            throw new \InvalidArgumentException('No second-level cache is configured on the given EntityManager.');
+        }
+
+        if ($input->getOption('flush')) {
+            $queryCache  = $cache->getQueryCache($name);
+            $queryRegion = $queryCache->getRegion();
+
+            if ( ! $queryRegion instanceof DefaultRegion) {
+                throw new \InvalidArgumentException(sprintf(
+                    'The option "--flush" expects a "Doctrine\ORM\Cache\Region\DefaultRegion", but got "%s".',
+                    is_object($queryRegion) ? get_class($queryRegion) : gettype($queryRegion)
+                ));
+            }
+
+            $queryRegion->getCache()->flushAll();
+
+            $output->writeln(sprintf('Flushing cache provider configured for second-level cache query region named <info>"%s"</info>', $name));
+
+            return;
+        }
+
+        if ($input->getOption('all')) {
+            $output->writeln('Clearing <info>all</info> second-level cache query regions');
+
+            $cache->evictQueryRegions();
+
+            return;
+        }
+
+        $output->writeln(sprintf('Clearing second-level cache query region named <info>"%s"</info>', $name));
+        $cache->evictQueryRegion($name);
+    }
+}
\ No newline at end of file
diff --git a/tests/Doctrine/Tests/Mocks/CacheEntryMock.php b/tests/Doctrine/Tests/Mocks/CacheEntryMock.php
index 902f092e0..7053df563 100644
--- a/tests/Doctrine/Tests/Mocks/CacheEntryMock.php
+++ b/tests/Doctrine/Tests/Mocks/CacheEntryMock.php
@@ -4,6 +4,9 @@ namespace Doctrine\Tests\Mocks;
 
 use Doctrine\ORM\Cache\CacheEntry;
 
+/**
+ * Cache entry mock
+ */
 class CacheEntryMock extends \ArrayObject implements CacheEntry
 {
 
diff --git a/tests/Doctrine/Tests/Mocks/CacheKeyMock.php b/tests/Doctrine/Tests/Mocks/CacheKeyMock.php
index e427c2f41..f87bc38b1 100644
--- a/tests/Doctrine/Tests/Mocks/CacheKeyMock.php
+++ b/tests/Doctrine/Tests/Mocks/CacheKeyMock.php
@@ -4,8 +4,16 @@ namespace Doctrine\Tests\Mocks;
 
 use Doctrine\ORM\Cache\CacheKey;
 
+/**
+ * Cache key mock
+ *
+ * Used to store/retrieve entries from a cache region
+ */
 class CacheKeyMock extends CacheKey
 {
+    /**
+     * @param string $hash The string hash that represend this cache key
+     */
     function __construct($hash)
     {
         $this->hash = $hash;
diff --git a/tests/Doctrine/Tests/Mocks/CacheRegionMock.php b/tests/Doctrine/Tests/Mocks/CacheRegionMock.php
index a4ef52ca3..05366379e 100644
--- a/tests/Doctrine/Tests/Mocks/CacheRegionMock.php
+++ b/tests/Doctrine/Tests/Mocks/CacheRegionMock.php
@@ -7,18 +7,35 @@ use Doctrine\ORM\Cache\CacheKey;
 use Doctrine\ORM\Cache\Lock;
 use Doctrine\ORM\Cache\Region;
 
+/**
+ * Cache region mock
+ */
 class CacheRegionMock implements Region
 {
     public $calls   = array();
     public $returns = array();
     public $name;
-    
+
+    /**
+     * Queue a return value for a specific method invocation
+     *
+     * @param string $method
+     * @param mixed $value
+     */
     public function addReturn($method, $value)
     {
         $this->returns[$method][] = $value;
     }
 
-    public function getReturn($method, $default)
+    /**
+     * Dequeue a value for a specific method invocation
+     *
+     * @param string $method
+     * @param mixed $default
+     *
+     * @return mixed
+     */
+    private function getReturn($method, $default)
     {
         if (isset($this->returns[$method]) && ! empty($this->returns[$method])) {
             return array_shift($this->returns[$method]);
@@ -27,6 +44,9 @@ class CacheRegionMock implements Region
         return $default;
     }
 
+    /**
+     * {@inheritdoc}
+     */
     public function getName()
     {
         $this->calls[__FUNCTION__][] = array();
@@ -34,6 +54,9 @@ class CacheRegionMock implements Region
         return $this->name;
     }
 
+    /**
+     * {@inheritdoc}
+     */
     public function contains(CacheKey $key)
     {
         $this->calls[__FUNCTION__][] = array('key' => $key);
@@ -41,6 +64,9 @@ class CacheRegionMock implements Region
         return $this->getReturn(__FUNCTION__, false);
     }
 
+    /**
+     * {@inheritdoc}
+     */
     public function evict(CacheKey $key)
     {
         $this->calls[__FUNCTION__][] = array('key' => $key);
@@ -48,6 +74,9 @@ class CacheRegionMock implements Region
         return $this->getReturn(__FUNCTION__, true);
     }
 
+    /**
+     * {@inheritdoc}
+     */
     public function evictAll()
     {
         $this->calls[__FUNCTION__][] = array();
@@ -55,6 +84,9 @@ class CacheRegionMock implements Region
         return $this->getReturn(__FUNCTION__, true);
     }
 
+    /**
+     * {@inheritdoc}
+     */
     public function get(CacheKey $key)
     {
         $this->calls[__FUNCTION__][] = array('key' => $key);
@@ -62,6 +94,9 @@ class CacheRegionMock implements Region
         return $this->getReturn(__FUNCTION__, null);
     }
 
+    /**
+     * {@inheritdoc}
+     */
     public function put(CacheKey $key, CacheEntry $entry, Lock $lock = null)
     {
         $this->calls[__FUNCTION__][] = array('key' => $key, 'entry' => $entry);
@@ -69,6 +104,9 @@ class CacheRegionMock implements Region
         return $this->getReturn(__FUNCTION__, true);
     }
 
+    /**
+     * {@inheritdoc}
+     */
     public function clear()
     {
         $this->calls   = array();
diff --git a/tests/Doctrine/Tests/Mocks/ConcurrentRegionMock.php b/tests/Doctrine/Tests/Mocks/ConcurrentRegionMock.php
index e299f2a70..fc488b4b2 100644
--- a/tests/Doctrine/Tests/Mocks/ConcurrentRegionMock.php
+++ b/tests/Doctrine/Tests/Mocks/ConcurrentRegionMock.php
@@ -10,22 +10,38 @@ use Doctrine\ORM\Cache\CacheKey;
 use Doctrine\ORM\Cache\Region;
 use Doctrine\ORM\Cache\Lock;
 
+/**
+ * Concurrent region mock
+ *
+ * Used to mock a ConcurrentRegion
+ */
 class ConcurrentRegionMock implements ConcurrentRegion
 {
     public $calls       = array();
     public $exceptions  = array();
     public $locks       = array();
-    
+
     /**
      * @var \Doctrine\ORM\Cache\Region 
      */
     private $region;
 
+    /**
+     * @param \Doctrine\ORM\Cache\Region $region
+     */
     public function __construct(Region $region)
     {
         $this->region = $region;
     }
 
+    /**
+     * Dequeue an exception for a specific method invocation
+     *
+     * @param string $method
+     * @param mixed $default
+     *
+     * @return mixed
+     */
     private function throwException($method)
     {
         if (isset($this->exceptions[$method]) && ! empty($this->exceptions[$method])) {
@@ -37,16 +53,31 @@ class ConcurrentRegionMock implements ConcurrentRegion
         }
     }
 
+    /**
+     * Queue an exception for the next method invocation
+     *
+     * @param string $method
+     * @param \Exception $e
+     */
     public function addException($method, \Exception $e)
     {
         $this->exceptions[$method][] = $e;
     }
 
+    /**
+     * Locks a specific cache entry
+     *
+     * @param \Doctrine\ORM\Cache\CacheKey $key
+     * @param \Doctrine\ORM\Cache\Lock $lock
+     */
     public function setLock(CacheKey $key, Lock $lock)
     {
         $this->locks[$key->hash] = $lock;
     }
 
+    /**
+     * {@inheritdoc}
+     */
     public function contains(CacheKey $key)
     {
         $this->calls[__FUNCTION__][] = array('key' => $key);
@@ -60,6 +91,9 @@ class ConcurrentRegionMock implements ConcurrentRegion
         return $this->region->contains($key);
     }
 
+    /**
+     * {@inheritdoc}
+     */
     public function evict(CacheKey $key)
     {
         $this->calls[__FUNCTION__][] = array('key' => $key);
@@ -69,6 +103,9 @@ class ConcurrentRegionMock implements ConcurrentRegion
         return $this->region->evict($key);
     }
 
+    /**
+     * {@inheritdoc}
+     */
     public function evictAll()
     {
         $this->calls[__FUNCTION__][] = array();
@@ -78,6 +115,9 @@ class ConcurrentRegionMock implements ConcurrentRegion
         return $this->region->evictAll();
     }
 
+    /**
+     * {@inheritdoc}
+     */
     public function get(CacheKey $key)
     {
         $this->calls[__FUNCTION__][] = array('key' => $key);
@@ -91,6 +131,9 @@ class ConcurrentRegionMock implements ConcurrentRegion
         return $this->region->get($key);
     }
 
+    /**
+     * {@inheritdoc}
+     */
     public function getName()
     {
         $this->calls[__FUNCTION__][] = array();
@@ -100,6 +143,9 @@ class ConcurrentRegionMock implements ConcurrentRegion
         return $this->region->getName();
     }
 
+    /**
+     * {@inheritdoc}
+     */
     public function put(CacheKey $key, CacheEntry $entry, Lock $lock = null)
     {
         $this->calls[__FUNCTION__][] = array('key' => $key, 'entry' => $entry);
@@ -118,6 +164,9 @@ class ConcurrentRegionMock implements ConcurrentRegion
         return $this->region->put($key, $entry);
     }
 
+    /**
+     * {@inheritdoc}
+     */
     public function lock(CacheKey $key)
     {
         $this->calls[__FUNCTION__][] = array('key' => $key);
@@ -131,6 +180,9 @@ class ConcurrentRegionMock implements ConcurrentRegion
         return $this->locks[$key->hash] = Lock::createLockRead();
     }
 
+    /**
+     * {@inheritdoc}
+     */
     public function unlock(CacheKey $key, Lock $lock)
     {
         $this->calls[__FUNCTION__][] = array('key' => $key, 'lock' => $lock);
diff --git a/tests/Doctrine/Tests/Mocks/TimestampRegionMock.php b/tests/Doctrine/Tests/Mocks/TimestampRegionMock.php
index ade513060..b55c7c5e3 100644
--- a/tests/Doctrine/Tests/Mocks/TimestampRegionMock.php
+++ b/tests/Doctrine/Tests/Mocks/TimestampRegionMock.php
@@ -5,6 +5,11 @@ namespace Doctrine\Tests\Mocks;
 use Doctrine\ORM\Cache\TimestampRegion;
 use Doctrine\ORM\Cache\CacheKey;
 
+/**
+ * Timestamp region mock
+ *
+ * Used to mock a TimestampRegion
+ */
 class TimestampRegionMock extends CacheRegionMock implements TimestampRegion
 {
     public function update(CacheKey $key)
diff --git a/tests/Doctrine/Tests/ORM/Tools/Console/Command/ClearCacheCollectionRegionCommandTest.php b/tests/Doctrine/Tests/ORM/Tools/Console/Command/ClearCacheCollectionRegionCommandTest.php
new file mode 100644
index 000000000..de1e1772c
--- /dev/null
+++ b/tests/Doctrine/Tests/ORM/Tools/Console/Command/ClearCacheCollectionRegionCommandTest.php
@@ -0,0 +1,94 @@
+<?php
+
+namespace Doctrine\Tests\ORM\Tools\Console\Command;
+
+use Doctrine\ORM\Tools\Console\Command\ClearCache\CollectionRegionCommand;
+use Doctrine\ORM\Tools\Console\Helper\EntityManagerHelper;
+use Symfony\Component\Console\Tester\CommandTester;
+use Symfony\Component\Console\Helper\HelperSet;
+use Symfony\Component\Console\Application;
+use Doctrine\Tests\OrmFunctionalTestCase;
+
+/**
+ * @group DDC-2183
+ */
+class ClearCacheCollectionRegionCommandTest extends OrmFunctionalTestCase
+{
+    /**
+     * @var \Symfony\Component\Console\Application
+     */
+    private $application;
+
+    /**
+     * @var \Doctrine\ORM\Tools\Console\Command\ClearCache\CollectionRegionCommand
+     */
+    private $command;
+
+    protected function setUp()
+    {
+        $this->enableSecondLevelCache();
+        parent::setUp();
+
+        $this->application = new Application();
+        $this->command     = new CollectionRegionCommand();
+
+        $this->application->setHelperSet(new HelperSet(array(
+            'em' => new EntityManagerHelper($this->_em)
+        )));
+
+        $this->application->add($this->command);
+    }
+
+    public function testClearAllRegion()
+    {
+        $command    = $this->application->find('orm:clear-cache:region:collection');
+        $tester     = new CommandTester($command);
+        $tester->execute(array(
+            'command' => $command->getName(),
+            '--all'   => true,
+        ));
+
+        $this->assertEquals('Clearing all second-level cache collection regions' . PHP_EOL, $tester->getDisplay());
+    }
+
+    public function testClearByOwnerEntityClassName()
+    {
+        $command    = $this->application->find('orm:clear-cache:region:collection');
+        $tester     = new CommandTester($command);
+        $tester->execute(array(
+            'command'       => $command->getName(),
+            'owner-class'   => 'Doctrine\Tests\Models\Cache\State',
+            'association'   => 'cities',
+        ));
+
+        $this->assertEquals('Clearing second-level cache for collection "Doctrine\Tests\Models\Cache\State#cities"' . PHP_EOL, $tester->getDisplay());
+    }
+
+    public function testClearCacheEntryName()
+    {
+        $command    = $this->application->find('orm:clear-cache:region:collection');
+        $tester     = new CommandTester($command);
+        $tester->execute(array(
+            'command'       => $command->getName(),
+            'owner-class'   => 'Doctrine\Tests\Models\Cache\State',
+            'association'   => 'cities',
+            'owner-id'      => 1,
+        ));
+
+        $this->assertEquals('Clearing second-level cache entry for collection "Doctrine\Tests\Models\Cache\State#cities" owner entity identified by "1"' . PHP_EOL, $tester->getDisplay());
+    }
+
+    public function testFlushRegionName()
+    {
+        $command    = $this->application->find('orm:clear-cache:region:collection');
+        $tester     = new CommandTester($command);
+        $tester->execute(array(
+            'command'       => $command->getName(),
+            'owner-class'   => 'Doctrine\Tests\Models\Cache\State',
+            'association'   => 'cities',
+            '--flush'       => true,
+        ));
+
+        $this->assertEquals('Flushing cache provider configured for "Doctrine\Tests\Models\Cache\State#cities"' . PHP_EOL, $tester->getDisplay());
+    }
+}
diff --git a/tests/Doctrine/Tests/ORM/Tools/Console/Command/ClearCacheEntityRegionCommandTest.php b/tests/Doctrine/Tests/ORM/Tools/Console/Command/ClearCacheEntityRegionCommandTest.php
new file mode 100644
index 000000000..7e9e7c23a
--- /dev/null
+++ b/tests/Doctrine/Tests/ORM/Tools/Console/Command/ClearCacheEntityRegionCommandTest.php
@@ -0,0 +1,91 @@
+<?php
+
+namespace Doctrine\Tests\ORM\Tools\Console\Command;
+
+use Doctrine\ORM\Tools\Console\Command\ClearCache\EntityRegionCommand;
+use Doctrine\ORM\Tools\Console\Helper\EntityManagerHelper;
+use Symfony\Component\Console\Tester\CommandTester;
+use Symfony\Component\Console\Helper\HelperSet;
+use Symfony\Component\Console\Application;
+use Doctrine\Tests\OrmFunctionalTestCase;
+
+/**
+ * @group DDC-2183
+ */
+class ClearCacheEntityRegionCommandTest extends OrmFunctionalTestCase
+{
+    /**
+     * @var \Symfony\Component\Console\Application
+     */
+    private $application;
+
+    /**
+     * @var \Doctrine\ORM\Tools\Console\Command\ClearCache\EntityRegionCommand
+     */
+    private $command;
+
+    protected function setUp()
+    {
+        $this->enableSecondLevelCache();
+        parent::setUp();
+
+        $this->application = new Application();
+        $this->command     = new EntityRegionCommand();
+
+        $this->application->setHelperSet(new HelperSet(array(
+            'em' => new EntityManagerHelper($this->_em)
+        )));
+
+        $this->application->add($this->command);
+    }
+
+    public function testClearAllRegion()
+    {
+        $command    = $this->application->find('orm:clear-cache:region:entity');
+        $tester     = new CommandTester($command);
+        $tester->execute(array(
+            'command' => $command->getName(),
+            '--all'   => true,
+        ));
+
+        $this->assertEquals('Clearing all second-level cache entity regions' . PHP_EOL, $tester->getDisplay());
+    }
+
+    public function testClearByEntityClassName()
+    {
+        $command    = $this->application->find('orm:clear-cache:region:entity');
+        $tester     = new CommandTester($command);
+        $tester->execute(array(
+            'command'       => $command->getName(),
+            'entity-class'  => 'Doctrine\Tests\Models\Cache\Country',
+        ));
+
+        $this->assertEquals('Clearing second-level cache for entity "Doctrine\Tests\Models\Cache\Country"' . PHP_EOL, $tester->getDisplay());
+    }
+
+    public function testClearCacheEntryName()
+    {
+        $command    = $this->application->find('orm:clear-cache:region:entity');
+        $tester     = new CommandTester($command);
+        $tester->execute(array(
+            'command'       => $command->getName(),
+            'entity-class'  => 'Doctrine\Tests\Models\Cache\Country',
+            'entity-id'     => 1,
+        ));
+
+        $this->assertEquals('Clearing second-level cache entry for entity "Doctrine\Tests\Models\Cache\Country" identified by "1"' . PHP_EOL, $tester->getDisplay());
+    }
+
+    public function testFlushRegionName()
+    {
+        $command    = $this->application->find('orm:clear-cache:region:entity');
+        $tester     = new CommandTester($command);
+        $tester->execute(array(
+            'command'       => $command->getName(),
+            'entity-class'  => 'Doctrine\Tests\Models\Cache\Country',
+            '--flush'       => true,
+        ));
+
+        $this->assertEquals('Flushing cache provider configured for entity named "Doctrine\Tests\Models\Cache\Country"' . PHP_EOL, $tester->getDisplay());
+    }
+}
diff --git a/tests/Doctrine/Tests/ORM/Tools/Console/Command/ClearCacheQueryRegionCommandTest.php b/tests/Doctrine/Tests/ORM/Tools/Console/Command/ClearCacheQueryRegionCommandTest.php
new file mode 100644
index 000000000..130bec8db
--- /dev/null
+++ b/tests/Doctrine/Tests/ORM/Tools/Console/Command/ClearCacheQueryRegionCommandTest.php
@@ -0,0 +1,90 @@
+<?php
+
+namespace Doctrine\Tests\ORM\Tools\Console\Command;
+
+use Doctrine\ORM\Tools\Console\Command\ClearCache\QueryRegionCommand;
+use Doctrine\ORM\Tools\Console\Helper\EntityManagerHelper;
+use Symfony\Component\Console\Tester\CommandTester;
+use Symfony\Component\Console\Helper\HelperSet;
+use Symfony\Component\Console\Application;
+use Doctrine\Tests\OrmFunctionalTestCase;
+
+/**
+ * @group DDC-2183
+ */
+class ClearCacheQueryRegionCommandTest extends OrmFunctionalTestCase
+{
+    /**
+     * @var \Symfony\Component\Console\Application
+     */
+    private $application;
+
+    /**
+     * @var \Doctrine\ORM\Tools\Console\Command\ClearCache\QueryRegionCommand
+     */
+    private $command;
+
+    protected function setUp()
+    {
+        $this->enableSecondLevelCache();
+        parent::setUp();
+
+        $this->application = new Application();
+        $this->command     = new QueryRegionCommand();
+
+        $this->application->setHelperSet(new HelperSet(array(
+            'em' => new EntityManagerHelper($this->_em)
+        )));
+
+        $this->application->add($this->command);
+    }
+
+    public function testClearAllRegion()
+    {
+        $command    = $this->application->find('orm:clear-cache:region:query');
+        $tester     = new CommandTester($command);
+        $tester->execute(array(
+            'command' => $command->getName(),
+            '--all'   => true,
+        ));
+
+        $this->assertEquals('Clearing all second-level cache query regions' . PHP_EOL, $tester->getDisplay());
+    }
+
+    public function testClearDefaultRegionName()
+    {
+        $command    = $this->application->find('orm:clear-cache:region:query');
+        $tester     = new CommandTester($command);
+        $tester->execute(array(
+            'command'       => $command->getName(),
+            'region-name'   => null,
+        ));
+
+        $this->assertEquals('Clearing second-level cache query region named "query_cache_region"' . PHP_EOL, $tester->getDisplay());
+    }
+
+    public function testClearByRegionName()
+    {
+        $command    = $this->application->find('orm:clear-cache:region:query');
+        $tester     = new CommandTester($command);
+        $tester->execute(array(
+            'command'       => $command->getName(),
+            'region-name'   => 'my_region',
+        ));
+
+        $this->assertEquals('Clearing second-level cache query region named "my_region"' . PHP_EOL, $tester->getDisplay());
+    }
+
+    public function testFlushRegionName()
+    {
+        $command    = $this->application->find('orm:clear-cache:region:query');
+        $tester     = new CommandTester($command);
+        $tester->execute(array(
+            'command'       => $command->getName(),
+            'region-name'   => 'my_region',
+            '--flush'       => true,
+        ));
+
+        $this->assertEquals('Flushing cache provider configured for second-level cache query region named "my_region"' . PHP_EOL, $tester->getDisplay());
+    }
+}
diff --git a/tools/sandbox/bootstrap.php b/tools/sandbox/bootstrap.php
index 5b97b9412..1e7d8ba00 100644
--- a/tools/sandbox/bootstrap.php
+++ b/tools/sandbox/bootstrap.php
@@ -38,4 +38,18 @@ $connectionOptions = array(
     'path'   => 'database.sqlite'
 );
 
+// Enable second-level cache
+$cacheConfig    = new \Doctrine\ORM\Cache\CacheConfiguration();
+$cacheDriver    = $debug ? new Cache\ArrayCache : new Cache\ApcCache;
+$cacheLogger    = new \Doctrine\ORM\Cache\Logging\StatisticsCacheLogger();
+$factory        = new \Doctrine\ORM\Cache\DefaultCacheFactory($cacheConfig->getRegionsConfiguration(), $cacheDriver);
+
+if ($debug) {
+    $cacheConfig->setCacheLogger($cacheLogger);
+}
+
+$cacheConfig->setCacheFactory($factory);
+$config->setSecondLevelCacheEnabled(true);
+$config->setSecondLevelCacheConfiguration($cacheConfig);
+
 return EntityManager::create($connectionOptions, $config);
\ No newline at end of file
diff --git a/tools/sandbox/doctrine.php b/tools/sandbox/doctrine.php
index 6cadae0d4..052968690 100644
--- a/tools/sandbox/doctrine.php
+++ b/tools/sandbox/doctrine.php
@@ -16,6 +16,9 @@ $cli->addCommands(array(
     new \Doctrine\DBAL\Tools\Console\Command\ImportCommand(),
 
     // ORM Commands
+    new \Doctrine\ORM\Tools\Console\Command\ClearCache\QueryRegionCommand(),
+    new \Doctrine\ORM\Tools\Console\Command\ClearCache\EntityRegionCommand(),
+    new \Doctrine\ORM\Tools\Console\Command\ClearCache\CollectionRegionCommand(),
     new \Doctrine\ORM\Tools\Console\Command\ClearCache\MetadataCommand(),
     new \Doctrine\ORM\Tools\Console\Command\ClearCache\ResultCommand(),
     new \Doctrine\ORM\Tools\Console\Command\ClearCache\QueryCommand(),