0f1b1be0aa
- Related: #2163 - Add ResourceLeakHint to allow a user to provide a meaningful information about the leak when touching it - DefaultChannelHandlerContext now implements ResourceLeakHint to tell where the message is going. - Cleaner resource leak report by excluding noisy stack trace elements
128 lines
3.4 KiB
Java
128 lines
3.4 KiB
Java
/*
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* Copyright 2013 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. 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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.channel;
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import io.netty.util.ReferenceCountUtil;
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import io.netty.util.ReferenceCounted;
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import io.netty.util.internal.StringUtil;
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import java.net.SocketAddress;
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/**
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* The default {@link AddressedEnvelope} implementation.
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*
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* @param <M> the type of the wrapped message
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* @param <A> the type of the recipient address
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*/
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public class DefaultAddressedEnvelope<M, A extends SocketAddress> implements AddressedEnvelope<M, A> {
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private final M message;
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private final A sender;
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private final A recipient;
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/**
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* Creates a new instance with the specified {@code message}, {@code recipient} address, and
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* {@code sender} address.
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*/
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public DefaultAddressedEnvelope(M message, A recipient, A sender) {
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if (message == null) {
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throw new NullPointerException("message");
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}
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this.message = message;
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this.sender = sender;
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this.recipient = recipient;
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}
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/**
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* Creates a new instance with the specified {@code message} and {@code recipient} address.
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* The sender address becomes {@code null}.
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*/
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public DefaultAddressedEnvelope(M message, A recipient) {
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this(message, recipient, null);
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}
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@Override
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public M content() {
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return message;
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}
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@Override
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public A sender() {
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return sender;
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}
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@Override
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public A recipient() {
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return recipient;
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}
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@Override
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public int refCnt() {
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if (message instanceof ReferenceCounted) {
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return ((ReferenceCounted) message).refCnt();
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} else {
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return 1;
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}
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}
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@Override
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public AddressedEnvelope<M, A> retain() {
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ReferenceCountUtil.retain(message);
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return this;
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}
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@Override
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public AddressedEnvelope<M, A> retain(int increment) {
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ReferenceCountUtil.retain(message, increment);
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return this;
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}
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@Override
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public boolean release() {
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return ReferenceCountUtil.release(message);
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}
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@Override
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public boolean release(int decrement) {
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return ReferenceCountUtil.release(message, decrement);
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}
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@Override
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public AddressedEnvelope<M, A> touch() {
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ReferenceCountUtil.touch(message);
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return this;
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}
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@Override
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public AddressedEnvelope<M, A> touch(Object hint) {
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ReferenceCountUtil.touch(message, hint);
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return this;
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}
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@Override
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public String toString() {
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if (sender != null) {
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return StringUtil.simpleClassName(this) +
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'(' + sender + " => " + recipient + ", " + message + ')';
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} else {
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return StringUtil.simpleClassName(this) +
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"(=> " + recipient + ", " + message + ')';
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}
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}
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}
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