kafka Serde 源码
kafka Serde 代码
文件路径：/clients/src/main/java/org/apache/kafka/common/serialization/Serde.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.serialization;
import java.io.Closeable;
import java.util.Map;
/**
* The interface for wrapping a serializer and deserializer for the given data type.
*
* @param <T> Type to be serialized from and deserialized into.
*
* A class that implements this interface is expected to have a constructor with no parameter.
*/
public interface Serde<T> extends Closeable {
/**
* Configure this class, which will configure the underlying serializer and deserializer.
*
* @param configs configs in key/value pairs
* @param isKey whether is for key or value
*/
default void configure(Map<String, ?> configs, boolean isKey) {
// intentionally left blank
}
/**
* Close this serde class, which will close the underlying serializer and deserializer.
* <p>
* This method has to be idempotent because it might be called multiple times.
*/
@Override
default void close() {
// intentionally left blank
}
Serializer<T> serializer();
Deserializer<T> deserializer();
}
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