com.generallycloud.baseio.protocol.EmptyReadFuture Maven / Gradle / Ivy

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/*
 * Copyright 2015-2017 GenerallyCloud.com
 *  
 * 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.generallycloud.baseio.protocol;

import com.generallycloud.baseio.component.SocketChannelContext;

public class EmptyReadFuture extends AbstractReadFuture {

	private static EmptyReadFuture EMPTY_READFUTURE = null;

	public static void initializeReadFuture(SocketChannelContext context) {
		if (EMPTY_READFUTURE != null) {
			return;
		}
		EMPTY_READFUTURE = new EmptyReadFuture(context);
	}

	public static EmptyReadFuture getInstance() {
		return EMPTY_READFUTURE;
	}

	private EmptyReadFuture(SocketChannelContext context) {
		super(context);
	}

	@Override
	public void release() {

	}

	@Override
	public void write(byte[] bytes, int off, int len) {
		throw new UnsupportedOperationException();
	}

	@Override
	public void write(byte b) {
		throw new UnsupportedOperationException();
	}

}