kafka StringSerde 源码
kafka StringSerde 代码
文件路径：/raft/src/main/java/org/apache/kafka/raft/internals/StringSerde.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.raft.internals;
import org.apache.kafka.common.protocol.ObjectSerializationCache;
import org.apache.kafka.common.protocol.Readable;
import org.apache.kafka.common.protocol.Writable;
import org.apache.kafka.common.utils.Utils;
import org.apache.kafka.server.common.serialization.RecordSerde;
public class StringSerde implements RecordSerde<String> {
@Override
public int recordSize(String data, ObjectSerializationCache serializationCache) {
return recordSize(data);
}
public int recordSize(String data) {
return Utils.utf8Length(data);
}
@Override
public void write(String data, ObjectSerializationCache serializationCache, Writable out) {
out.writeByteArray(Utils.utf8(data));
}
@Override
public String read(Readable input, int size) {
byte[] data = input.readArray(size);
return Utils.utf8(data);
}
}
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