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Java example source code file (LastMemcacheContent.java)

This example Java source code file (LastMemcacheContent.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

bytebuf, decoderresult, defaultlastmemcachecontent, empty_last_content, lastmemcachecontent, override, unstableapi, unsupportedoperationexception

The LastMemcacheContent.java Java example source code

/*
 * Copyright 2013 The Netty Project
 *
 * The Netty Project licenses this file to you 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.netty.handler.codec.memcache;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.handler.codec.DecoderResult;
import io.netty.util.internal.UnstableApi;

/**
 * The {@link MemcacheContent} which signals the end of the content batch.
 * <p/>
 * Note that by design, even when no content is emitted by the protocol, an
 * empty {@link LastMemcacheContent} is issued to make the upstream parsing
 * easier.
 */
@UnstableApi
public interface LastMemcacheContent extends MemcacheContent {

    LastMemcacheContent EMPTY_LAST_CONTENT = new LastMemcacheContent() {

        @Override
        public LastMemcacheContent copy() {
            return EMPTY_LAST_CONTENT;
        }

        @Override
        public LastMemcacheContent duplicate() {
            return this;
        }

        @Override
        public LastMemcacheContent retainedDuplicate() {
            return this;
        }

        @Override
        public LastMemcacheContent replace(ByteBuf content) {
            return new DefaultLastMemcacheContent(content);
        }

        @Override
        public LastMemcacheContent retain(int increment) {
            return this;
        }

        @Override
        public LastMemcacheContent retain() {
            return this;
        }

        @Override
        public LastMemcacheContent touch() {
            return this;
        }

        @Override
        public LastMemcacheContent touch(Object hint) {
            return this;
        }

        @Override
        public ByteBuf content() {
            return Unpooled.EMPTY_BUFFER;
        }

        @Override
        public DecoderResult decoderResult() {
            return DecoderResult.SUCCESS;
        }

        @Override
        public void setDecoderResult(DecoderResult result) {
            throw new UnsupportedOperationException("read only");
        }

        @Override
        public int refCnt() {
            return 1;
        }

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

        @Override
        public boolean release(int decrement) {
            return false;
        }
    };

    @Override
    LastMemcacheContent copy();

    @Override
    LastMemcacheContent duplicate();

    @Override
    LastMemcacheContent retainedDuplicate();

    @Override
    LastMemcacheContent replace(ByteBuf content);

    @Override
    LastMemcacheContent retain(int increment);

    @Override
    LastMemcacheContent retain();

    @Override
    LastMemcacheContent touch();

    @Override
    LastMemcacheContent touch(Object hint);
}

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