DeleteCommandExecutor.java

/*
 *  Copyright 2011 Couchbase, Inc..
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *  under the License.
 */
package org.couchbase.mock.memcached;

import org.couchbase.mock.memcached.protocol.BinaryResponse;
import org.couchbase.mock.memcached.protocol.CommandCode;
import org.couchbase.mock.memcached.protocol.ErrorCode;
import org.couchbase.mock.memcached.protocol.BinaryCommand;

/**
 * @author Trond Norbye <trond.norbye@gmail.com>
 */
public class DeleteCommandExecutor implements CommandExecutor {

    @Override
    public void execute(BinaryCommand cmd, MemcachedServer server, MemcachedConnection client) {
        VBucketStore cache = server.getStorage().getCache(server, cmd.getVBucketId());
        MutationStatus ms = cache.delete(cmd.getKeySpec(), cmd.getCas());
        ErrorCode err = ms.getStatus();

        if (!(cmd.getComCode() == CommandCode.DELETEQ && err == ErrorCode.SUCCESS)) {
            client.sendResponse(new BinaryResponse(cmd, ms, client.getMutinfoWriter(), 0));
        }
    }
}