Java tutorial
/* * 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.channel; import io.netty.util.ReferenceCounted; import java.net.SocketAddress; /** * A message that wraps another message with a sender address and a recipient address. * * @param <M> the type of the wrapped message * @param <A> the type of the address */ public interface AddressedEnvelope<M, A extends SocketAddress> extends ReferenceCounted { /** * Returns the message wrapped by this envelope message. */ M content(); /** * Returns the address of the sender of this message. */ A sender(); /** * Returns the address of the recipient of this message. */ A recipient(); @Override AddressedEnvelope<M, A> retain(); @Override AddressedEnvelope<M, A> retain(int increment); @Override AddressedEnvelope<M, A> touch(); @Override AddressedEnvelope<M, A> touch(Object hint); }