Redisson own client implementation development started
Nikita
10 years ago
parent
2e4a986bc6
commit
394c9539a2
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/**
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* Copyright 2014 Nikita Koksharov, Nickolay Borbit
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.redisson.client;
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import java.net.InetSocketAddress;
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import org.redisson.client.handler.RedisCommandsQueue;
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import org.redisson.client.handler.RedisData;
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import org.redisson.client.handler.RedisDecoder;
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import org.redisson.client.handler.RedisEncoder;
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import org.redisson.client.protocol.RedisCommand;
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import org.redisson.client.protocol.RedisCommands;
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import io.netty.bootstrap.Bootstrap;
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import io.netty.channel.Channel;
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import io.netty.channel.ChannelFuture;
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import io.netty.channel.ChannelInitializer;
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import io.netty.channel.EventLoopGroup;
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import io.netty.channel.nio.NioEventLoopGroup;
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import io.netty.channel.socket.SocketChannel;
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import io.netty.channel.socket.nio.NioSocketChannel;
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import io.netty.util.concurrent.Future;
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import io.netty.util.concurrent.FutureListener;
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import io.netty.util.concurrent.Promise;
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public class RedisClient {
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private Class<? extends SocketChannel> socketChannelClass = NioSocketChannel.class;
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private Bootstrap bootstrap;
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private EventLoopGroup group = new NioEventLoopGroup();
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private InetSocketAddress addr;
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private Channel channel;
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public RedisClient(String host, int port) {
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addr = new InetSocketAddress(host, port);
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bootstrap = new Bootstrap().channel(socketChannelClass).group(group).remoteAddress(addr);
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bootstrap.handler(new ChannelInitializer<Channel>() {
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@Override
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protected void initChannel(Channel ch) throws Exception {
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ch.pipeline().addFirst(
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new RedisEncoder(),
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new RedisCommandsQueue(),
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new RedisDecoder());
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}
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});
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}
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public ChannelFuture connect() {
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ChannelFuture future = bootstrap.connect();
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channel = future.channel();
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return future;
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}
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public <R> Future<R> execute(RedisCommand<R> command, Object ... params) {
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Promise<R> promise = bootstrap.group().next().<R>newPromise();
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channel.writeAndFlush(new RedisData<R>(promise, command, params));
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return promise;
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}
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public static void main(String[] args) throws InterruptedException {
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RedisClient rc = new RedisClient("127.0.0.1", 6379);
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rc.connect().sync();
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for (int i = 0; i < 10000; i++) {
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final int j = i;
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Future<String> res = rc.execute(RedisCommands.SET, "test", "" + Math.random());
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res.addListener(new FutureListener<String>() {
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@Override
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public void operationComplete(Future<String> future) throws Exception {
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System.out.println("res: " + future.getNow() + " " + j);
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}
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});
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}
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// rc.execute(RedisCommands.GET, "test");
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}
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}
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/**
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* Copyright 2014 Nikita Koksharov, Nickolay Borbit
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.redisson.client.handler;
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import java.util.Queue;
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import io.netty.channel.ChannelDuplexHandler;
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import io.netty.channel.ChannelHandlerContext;
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import io.netty.channel.ChannelPromise;
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import io.netty.util.AttributeKey;
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import io.netty.util.concurrent.Promise;
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import io.netty.util.internal.PlatformDependent;
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public class RedisCommandsQueue extends ChannelDuplexHandler {
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public enum QueueCommands {NEXT_COMMAND}
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public static final AttributeKey<Promise<Object>> REPLAY_PROMISE = AttributeKey.valueOf("promise");
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private final Queue<RedisData<Object>> queue = PlatformDependent.newMpscQueue();
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@Override
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public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
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if (evt == QueueCommands.NEXT_COMMAND) {
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queue.poll();
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sendData(ctx);
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} else {
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super.userEventTriggered(ctx, evt);
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}
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}
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@Override
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public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) throws Exception {
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if (msg instanceof RedisData) {
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RedisData<Object> data = (RedisData<Object>) msg;
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if (data.getSend().get()) {
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super.write(ctx, msg, promise);
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} else {
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queue.add(data);
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sendData(ctx);
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}
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} else {
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super.write(ctx, msg, promise);
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}
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}
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private void sendData(ChannelHandlerContext ctx) throws Exception {
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RedisData<Object> data = queue.peek();
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if (data != null && data.getSend().compareAndSet(false, true)) {
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ctx.channel().attr(REPLAY_PROMISE).set(data.getPromise());
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ctx.channel().writeAndFlush(data);
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}
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}
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}
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/**
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* Copyright 2014 Nikita Koksharov, Nickolay Borbit
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.redisson.client.handler;
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import java.util.concurrent.atomic.AtomicBoolean;
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import org.redisson.client.protocol.RedisCommand;
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import io.netty.util.concurrent.Promise;
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public class RedisData<R> {
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Promise<R> promise;
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RedisCommand<R> command;
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Object[] params;
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AtomicBoolean send = new AtomicBoolean();
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public RedisData(Promise<R> promise, RedisCommand<R> command, Object[] params) {
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this.promise = promise;
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this.command = command;
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this.params = params;
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}
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public RedisCommand<R> getCommand() {
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return command;
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}
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public Object[] getParams() {
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return params;
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}
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public Promise<R> getPromise() {
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return promise;
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}
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public AtomicBoolean getSend() {
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return send;
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}
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}
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/**
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* Copyright 2014 Nikita Koksharov, Nickolay Borbit
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.redisson.client.handler;
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import java.util.List;
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import org.redisson.client.handler.RedisCommandsQueue.QueueCommands;
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import io.netty.buffer.ByteBuf;
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import io.netty.channel.ChannelHandlerContext;
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import io.netty.handler.codec.ReplayingDecoder;
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import io.netty.util.CharsetUtil;
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public class RedisDecoder extends ReplayingDecoder<Void> {
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@Override
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protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
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int code = in.readByte();
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String status = in.readBytes(in.bytesBefore((byte) '\r')).toString(CharsetUtil.UTF_8);
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in.skipBytes(2);
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out.add(status);
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System.out.println("status: " + status);
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ctx.channel().attr(RedisCommandsQueue.REPLAY_PROMISE).getAndRemove().setSuccess(status);
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ctx.pipeline().fireUserEventTriggered(QueueCommands.NEXT_COMMAND);
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// switch (code) {
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// case StatusReply.MARKER: {
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// String status = is.readBytes(is.bytesBefore((byte) '\r')).toString(Charsets.UTF_8);
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// is.skipBytes(2);
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// return new StatusReply(status);
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// }
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// case ErrorReply.MARKER: {
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// String error = is.readBytes(is.bytesBefore((byte) '\r')).toString(Charsets.UTF_8);
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// is.skipBytes(2);
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// return new ErrorReply(error);
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// }
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// case IntegerReply.MARKER: {
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// return new IntegerReply(readLong(is));
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// }
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// case BulkReply.MARKER: {
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// return new BulkReply(readBytes(is));
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// }
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// case MultiBulkReply.MARKER: {
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// if (reply == null) {
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// return decodeMultiBulkReply(is);
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// } else {
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// return new RedisReplyDecoder(false).decodeMultiBulkReply(is);
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// }
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// }
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// default: {
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// throw new IOException("Unexpected character in stream: " + code);
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// }
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// }
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}
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}
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/**
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* Copyright 2014 Nikita Koksharov, Nickolay Borbit
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.redisson.client.handler;
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import io.netty.buffer.ByteBuf;
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import io.netty.channel.ChannelHandlerContext;
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import io.netty.handler.codec.MessageToByteEncoder;
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import io.netty.util.AttributeKey;
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import io.netty.util.CharsetUtil;
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import io.netty.util.concurrent.Promise;
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public class RedisEncoder extends MessageToByteEncoder<RedisData<Object>> {
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final char ARGS_PREFIX = '*';
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final char BYTES_PREFIX = '$';
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final byte[] CRLF = "\r\n".getBytes();
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@Override
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protected void encode(ChannelHandlerContext ctx, RedisData<Object> msg, ByteBuf out) throws Exception {
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out.writeByte(ARGS_PREFIX);
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out.writeBytes(toChars(1 + msg.getParams().length));
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out.writeBytes(CRLF);
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writeArgument(out, msg.getCommand().getName().getBytes("UTF-8"));
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for (Object param : msg.getParams()) {
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writeArgument(out, param.toString().getBytes("UTF-8"));
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}
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String o = out.toString(CharsetUtil.UTF_8);
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System.out.println(o);
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}
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private void writeArgument(ByteBuf out, byte[] arg) {
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out.writeByte(BYTES_PREFIX);
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out.writeBytes(toChars(arg.length));
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out.writeBytes(CRLF);
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out.writeBytes(arg);
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out.writeBytes(CRLF);
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}
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final static char[] DigitTens = {'0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '1', '1', '1', '1',
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'1', '1', '1', '1', '1', '1', '2', '2', '2', '2', '2', '2', '2', '2', '2', '2', '3', '3', '3',
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'3', '3', '3', '3', '3', '3', '3', '4', '4', '4', '4', '4', '4', '4', '4', '4', '4', '5', '5',
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'5', '5', '5', '5', '5', '5', '5', '5', '6', '6', '6', '6', '6', '6', '6', '6', '6', '6', '7',
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'7', '7', '7', '7', '7', '7', '7', '7', '7', '8', '8', '8', '8', '8', '8', '8', '8', '8', '8',
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'9', '9', '9', '9', '9', '9', '9', '9', '9', '9',};
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final static char[] DigitOnes = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '1', '2', '3',
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'4', '5', '6', '7', '8', '9', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '1', '2',
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'3', '4', '5', '6', '7', '8', '9', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '1',
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'2', '3', '4', '5', '6', '7', '8', '9', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0',
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'1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
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'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',};
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final static char[] digits = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e',
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'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x',
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'y', 'z'};
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final static int[] sizeTable = {9, 99, 999, 9999, 99999, 999999, 9999999, 99999999, 999999999,
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Integer.MAX_VALUE};
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// Requires positive x
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|
static int stringSize(long x) {
|
||||||
|
for (int i = 0;; i++)
|
||||||
|
if (x <= sizeTable[i])
|
||||||
|
return i + 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void getChars(long i, int index, byte[] buf) {
|
||||||
|
long q, r;
|
||||||
|
int charPos = index;
|
||||||
|
byte sign = 0;
|
||||||
|
|
||||||
|
if (i < 0) {
|
||||||
|
sign = '-';
|
||||||
|
i = -i;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Generate two digits per iteration
|
||||||
|
while (i >= 65536) {
|
||||||
|
q = i / 100;
|
||||||
|
// really: r = i - (q * 100);
|
||||||
|
r = i - ((q << 6) + (q << 5) + (q << 2));
|
||||||
|
i = q;
|
||||||
|
buf[--charPos] = (byte) DigitOnes[(int)r];
|
||||||
|
buf[--charPos] = (byte) DigitTens[(int)r];
|
||||||
|
}
|
||||||
|
|
||||||
|
// Fall thru to fast mode for smaller numbers
|
||||||
|
// assert(i <= 65536, i);
|
||||||
|
for (;;) {
|
||||||
|
q = (i * 52429) >>> (16 + 3);
|
||||||
|
r = i - ((q << 3) + (q << 1)); // r = i-(q*10) ...
|
||||||
|
buf[--charPos] = (byte) digits[(int)r];
|
||||||
|
i = q;
|
||||||
|
if (i == 0)
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
if (sign != 0) {
|
||||||
|
buf[--charPos] = sign;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
public static byte[] toChars(long i) {
|
||||||
|
int size = (i < 0) ? stringSize(-i) + 1 : stringSize(i);
|
||||||
|
byte[] buf = new byte[size];
|
||||||
|
getChars(i, size, buf);
|
||||||
|
return buf;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
}
|
||||||
@ -0,0 +1,20 @@
|
|||||||
|
/**
|
||||||
|
* Copyright 2014 Nikita Koksharov, Nickolay Borbit
|
||||||
|
*
|
||||||
|
* 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 org.redisson.client.protocol;
|
||||||
|
|
||||||
|
public class ObjectDecoder implements ResponseDecoder<Object> {
|
||||||
|
|
||||||
|
}
|
||||||
@ -0,0 +1,38 @@
|
|||||||
|
/**
|
||||||
|
* Copyright 2014 Nikita Koksharov, Nickolay Borbit
|
||||||
|
*
|
||||||
|
* 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 org.redisson.client.protocol;
|
||||||
|
|
||||||
|
public class RedisCommand<R> {
|
||||||
|
|
||||||
|
private String name;
|
||||||
|
private ResponseDecoder<R> reponseDecoder;
|
||||||
|
|
||||||
|
public RedisCommand(String name, ResponseDecoder<R> reponseDecoder) {
|
||||||
|
super();
|
||||||
|
this.name = name;
|
||||||
|
this.reponseDecoder = reponseDecoder;
|
||||||
|
}
|
||||||
|
|
||||||
|
public String getName() {
|
||||||
|
return name;
|
||||||
|
}
|
||||||
|
|
||||||
|
public ResponseDecoder<R> getReponseDecoder() {
|
||||||
|
return reponseDecoder;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
}
|
||||||
@ -0,0 +1,23 @@
|
|||||||
|
/**
|
||||||
|
* Copyright 2014 Nikita Koksharov, Nickolay Borbit
|
||||||
|
*
|
||||||
|
* 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 org.redisson.client.protocol;
|
||||||
|
|
||||||
|
public interface RedisCommands {
|
||||||
|
|
||||||
|
RedisCommand<Object> GET = new RedisCommand<Object>("GET", new ObjectDecoder());
|
||||||
|
RedisCommand<String> SET = new RedisCommand<String>("SET", new StringDecoder());
|
||||||
|
|
||||||
|
}
|
||||||
@ -0,0 +1,20 @@
|
|||||||
|
/**
|
||||||
|
* Copyright 2014 Nikita Koksharov, Nickolay Borbit
|
||||||
|
*
|
||||||
|
* 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 org.redisson.client.protocol;
|
||||||
|
|
||||||
|
public interface ResponseDecoder<R> {
|
||||||
|
|
||||||
|
}
|
||||||
@ -0,0 +1,20 @@
|
|||||||
|
/**
|
||||||
|
* Copyright 2014 Nikita Koksharov, Nickolay Borbit
|
||||||
|
*
|
||||||
|
* 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 org.redisson.client.protocol;
|
||||||
|
|
||||||
|
public class StringDecoder implements ResponseDecoder<String> {
|
||||||
|
|
||||||
|
}
|
||||||
Loading…
Reference in New Issue