/**
* Copyright (C) 2006-2009 Dustin Sallings
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALING
* IN THE SOFTWARE.
*/
package net.spy.memcached;
/**
* Response codes for a CAS operation.
*/
public enum CASResponse {
/**
* Status indicating that the CAS was successful and the new value is stored
* in the cache.
*/
OK,
/**
* Status indicating the value was not found in the cache (an add operation
* may be issued to store the value).
*/
NOT_FOUND,
/**
* Status indicating the value was found in the cache, but exists with a
* different CAS value than expected. In this case, the value must be
* refetched and the CAS operation tried again.
*/
EXISTS,
/**
* Status indicating there was an error in specifying the arguments for
* the Observe.
*/
OBSERVE_ERROR_IN_ARGS,
/**
* Status indicating the CAS operation succeeded but the value was
* subsequently modified during Observe.
*/
OBSERVE_MODIFIED,
/**
* Status indicating there was a Timeout in the Observe operation.
*/
OBSERVE_TIMEOUT;
}