com.alibaba.rocketmq.shade.io.netty.channel.pool.ChannelPoolMap Maven / Gradle / Ivy
/*
* Copyright 2015 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.pool;
/**
* Allows to map {@link ChannelPool} implementations to a specific key.
*
* @param the type of the key
* @param the type of the {@link ChannelPool}
*/
public interface ChannelPoolMap {
/**
* Return the {@link ChannelPool} for the {@code code}. This will never return {@code null},
* but create a new {@link ChannelPool} if non exists for they requested {@code key}.
*
* Please note that {@code null} keys are not allowed.
*/
P get(K key);
/**
* Returns {@code true} if a {@link ChannelPool} exists for the given {@code key}.
*
* Please note that {@code null} keys are not allowed.
*/
boolean contains(K key);
}