io.lettuce.core.protocol.EmptyContext.java Source code

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Here is the source code for io.lettuce.core.protocol.EmptyContext.java

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/*
 * Copyright 2011-2018 the original author or authors.
 *
 * 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 io.lettuce.core.protocol;

import java.net.SocketAddress;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufAllocator;
import io.netty.buffer.PooledByteBufAllocator;
import io.netty.channel.*;
import io.netty.util.Attribute;
import io.netty.util.AttributeKey;
import io.netty.util.concurrent.EventExecutor;

/**
 * @author Mark Paluch
 */
class EmptyContext implements ChannelHandlerContext {

    private final static Channel CHANNEL = new EmptyChannel();

    @Override
    public Channel channel() {
        return CHANNEL;
    }

    @Override
    public EventExecutor executor() {
        return null;
    }

    @Override
    public String name() {
        return null;
    }

    @Override
    public ChannelHandler handler() {
        return null;
    }

    @Override
    public boolean isRemoved() {
        return false;
    }

    @Override
    public ChannelHandlerContext fireChannelRegistered() {
        return null;
    }

    @Override
    public ChannelHandlerContext fireChannelUnregistered() {
        return null;
    }

    @Override
    public ChannelHandlerContext fireChannelActive() {
        return null;
    }

    @Override
    public ChannelHandlerContext fireChannelInactive() {
        return null;
    }

    @Override
    public ChannelHandlerContext fireExceptionCaught(Throwable cause) {
        return null;
    }

    @Override
    public ChannelHandlerContext fireUserEventTriggered(Object event) {
        return null;
    }

    @Override
    public ChannelHandlerContext fireChannelRead(Object msg) {
        return null;
    }

    @Override
    public ChannelHandlerContext fireChannelReadComplete() {
        return null;
    }

    @Override
    public ChannelHandlerContext fireChannelWritabilityChanged() {
        return null;
    }

    @Override
    public ChannelFuture bind(SocketAddress localAddress) {
        return null;
    }

    @Override
    public ChannelFuture connect(SocketAddress remoteAddress) {
        return null;
    }

    @Override
    public ChannelFuture connect(SocketAddress remoteAddress, SocketAddress localAddress) {
        return null;
    }

    @Override
    public ChannelFuture disconnect() {
        return null;
    }

    @Override
    public ChannelFuture close() {
        return null;
    }

    @Override
    public ChannelFuture deregister() {
        return null;
    }

    @Override
    public ChannelFuture bind(SocketAddress localAddress, ChannelPromise promise) {
        return null;
    }

    @Override
    public ChannelFuture connect(SocketAddress remoteAddress, ChannelPromise promise) {
        return null;
    }

    @Override
    public ChannelFuture connect(SocketAddress remoteAddress, SocketAddress localAddress, ChannelPromise promise) {
        return null;
    }

    @Override
    public ChannelFuture disconnect(ChannelPromise promise) {
        return null;
    }

    @Override
    public ChannelFuture close(ChannelPromise promise) {
        return null;
    }

    @Override
    public ChannelFuture deregister(ChannelPromise promise) {
        return null;
    }

    @Override
    public ChannelHandlerContext read() {
        return null;
    }

    @Override
    public ChannelFuture write(Object msg) {
        if (msg instanceof ByteBuf) {
            ((ByteBuf) msg).release();
        }
        return null;
    }

    @Override
    public ChannelFuture write(Object msg, ChannelPromise promise) {
        if (msg instanceof ByteBuf) {
            ((ByteBuf) msg).release();
        }
        return null;
    }

    @Override
    public ChannelHandlerContext flush() {
        return null;
    }

    @Override
    public ChannelFuture writeAndFlush(Object msg, ChannelPromise promise) {
        if (msg instanceof ByteBuf) {
            ((ByteBuf) msg).release();
        }
        return null;
    }

    @Override
    public ChannelFuture writeAndFlush(Object msg) {
        if (msg instanceof ByteBuf) {
            ((ByteBuf) msg).release();
        }
        return null;
    }

    @Override
    public ChannelPipeline pipeline() {
        return null;
    }

    @Override
    public ByteBufAllocator alloc() {
        return PooledByteBufAllocator.DEFAULT;
    }

    @Override
    public ChannelPromise newPromise() {
        return null;
    }

    @Override
    public ChannelProgressivePromise newProgressivePromise() {
        return null;
    }

    @Override
    public ChannelFuture newSucceededFuture() {
        return null;
    }

    @Override
    public ChannelFuture newFailedFuture(Throwable cause) {
        return null;
    }

    @Override
    public ChannelPromise voidPromise() {
        return null;
    }

    @Override
    public <T> Attribute<T> attr(AttributeKey<T> key) {
        return null;
    }

    @Override
    public <T> boolean hasAttr(AttributeKey<T> attributeKey) {
        return false;
    }
}