kafka ChannelMetadataRegistry 源码
kafka ChannelMetadataRegistry 代码
文件路径：/clients/src/main/java/org/apache/kafka/common/network/ChannelMetadataRegistry.java
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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 org.apache.kafka.common.network;
import java.io.Closeable;
/**
* Metadata about a channel is provided in various places in the network stack. This
* registry is used as a common place to collect them.
*/
public interface ChannelMetadataRegistry extends Closeable {
/**
* Register information about the SSL cipher we are using.
* Re-registering the information will overwrite the previous one.
*/
void registerCipherInformation(CipherInformation cipherInformation);
/**
* Get the currently registered cipher information.
*/
CipherInformation cipherInformation();
/**
* Register information about the client client we are using.
* Depending on the clients, the ApiVersionsRequest could be received
* multiple times or not at all. Re-registering the information will
* overwrite the previous one.
*/
void registerClientInformation(ClientInformation clientInformation);
/**
* Get the currently registered client information.
*/
ClientInformation clientInformation();
/**
* Unregister everything that has been registered and close the registry.
*/
void close();
}
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