Renamed the cache middleware to memcache middleware

etc/proxy-server.conf-sample

@@ -46,7 +46,7 @@ use = egg:swift#auth
 use = egg:swift#healthcheck
 
 [filter:cache]
-use = egg:swift#cache
+use = egg:swift#memcache
 # Default for memcache_servers is below, but you can specify multiple servers
 # with the format: 10.1.2.3:11211,10.1.2.4:11211
 # memcache_servers = 127.0.0.1:11211

setup.py

@@ -86,7 +86,7 @@ setup(
         'paste.filter_factory': [
             'auth=swift.common.middleware.auth:filter_factory',
             'healthcheck=swift.common.middleware.healthcheck:filter_factory',
-            'cache=swift.common.middleware.cache:filter_factory',
+            'memcache=swift.common.middleware.memcache:filter_factory',
             ],
         },
     )

swift/common/middleware/memcache.py

@@ -14,7 +14,7 @@
 
 from swift.common.memcached import MemcacheRing
 
-class CacheMiddleware(object):
+class MemcacheMiddleware(object):
     """
     Caching middleware that manages caching in swift.
     """
@@ -32,5 +32,5 @@ def filter_factory(global_conf, **local_conf):
     conf = global_conf.copy()
     conf.update(local_conf)
     def cache_filter(app):
-        return CacheMiddleware(app, conf)
+        return MemcacheMiddleware(app, conf)
     return cache_filter

test/unit/common/middleware/test_memcache.py

@@ -17,7 +17,7 @@ import unittest
 
 from webob import Request
 
-from swift.common.middleware import cache
+from swift.common.middleware import memcache
 from swift.common.memcached import MemcacheRing
 
 class FakeApp(object):
@@ -30,7 +30,7 @@ def start_response(*args):
 class TestCacheMiddleware(unittest.TestCase):
 
     def setUp(self):
-        self.app = cache.CacheMiddleware(FakeApp(), {})
+        self.app = memcache.MemcacheMiddleware(FakeApp(), {})
 
     def test_cache_middleware(self):
         req = Request.blank('/something', environ={'REQUEST_METHOD': 'GET'})