com.moilioncircle.redis.replicator.cmd.parser.SRemParser Maven / Gradle / Ivy

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Redis Replicator implement Redis Replication protocol written in java. It can parse,filter,broadcast the RDB and AOF events in a real time manner. It also can synchronize redis data to your local cache or to database.

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/*
 * Copyright 2016 leon chen
 *
 * 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.
 */

package com.moilioncircle.redis.replicator.cmd.parser;

import com.moilioncircle.redis.replicator.cmd.CommandParser;
import com.moilioncircle.redis.replicator.cmd.impl.SRemCommand;

import static com.moilioncircle.redis.replicator.cmd.parser.CommandParsers.objToBytes;
import static com.moilioncircle.redis.replicator.cmd.parser.CommandParsers.objToString;

/**
 * @author Leon Chen
 * @since 2.1.0
 */
public class SRemParser implements CommandParser {

    @Override
    public SRemCommand parse(Object[] command) {
        int idx = 1;
        String key = objToString(command[idx]);
        byte[] rawKey = objToBytes(command[idx]);
        idx++;
        final String[] members = new String[command.length - 2];
        final byte[][] rawMembers = new byte[command.length - 2][];
        for (int i = idx, j = 0; i < command.length; i++, j++) {
            members[j] = objToString(command[i]);
            rawMembers[j] = objToBytes(command[i]);
        }
        return new SRemCommand(key, members, rawKey, rawMembers);
    }

}