     1: <?php
     2: /**
     3:  * Copyright 2012-2014 Rackspace US, Inc.
     4:  *
     5:  * Licensed under the Apache License, Version 2.0 (the "License");
     6:  * you may not use this file except in compliance with the License.
     7:  * You may obtain a copy of the License at
     8:  *
     9:  * http://www.apache.org/licenses/LICENSE-2.0
    10:  *
    11:  * Unless required by applicable law or agreed to in writing, software
    12:  * distributed under the License is distributed on an "AS IS" BASIS,
    13:  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14:  * See the License for the specific language governing permissions and
    15:  * limitations under the License.
    16:  */
    17:
    18: namespace OpenCloud\LoadBalancer\Resource;
    19:
    20: /**
    21:  * When content caching is enabled, recently-accessed files are stored on the
    22:  * load balancer for easy retrieval by web clients. Content caching improves the
    23:  * performance of high traffic web sites by temporarily storing data that was
    24:  * recently accessed. While it's cached, requests for that data will be served
    25:  * by the load balancer, which in turn reduces load off the back end nodes. The
    26:  * result is improved response times for those requests and less load on the web
    27:  * server.
    28:  *
    29:  * @todo Should this be a separate class, or a property of LoadBalancer?
    30:  */
    31: class ContentCaching extends AbstractResource
    32: {
    33:     /**
    34:      * @var bool
    35:      */
    36:     public $enabled;
    37:
    38:     protected static $json_name = "contentCaching";
    39:     protected static $url_resource = "contentcaching";
    40:
    41:     protected $createKeys = array('enabled');
    42:
    43:     public function create($params = array())
    44:     {
    45:         return $this->update($params);
    46:     }
    47:
    48:     public function delete()
    49:     {
    50:         return $this->noDelete();
    51:     }
    52: }
    53: