KeyedChannelPoolUtil.java

/*
 * Copyright 2015 LINE Corporation
 *
 * LINE Corporation 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 com.linecorp.armeria.client.pool;

import io.netty.channel.Channel;
import io.netty.util.AttributeKey;

final class KeyedChannelPoolUtil {

    @SuppressWarnings("rawtypes")
    static final AttributeKey<KeyedChannelPool> POOL = AttributeKey.valueOf(KeyedChannelPool.class, "POOL");

    @SuppressWarnings("unchecked")
    static <K> KeyedChannelPool<K> findPool(Channel ch) {
        return (KeyedChannelPool<K>) ch.attr(POOL).get();
    }

    private KeyedChannelPoolUtil() {}
}