hadoop PBRecord 源码
haddop PBRecord 代码
文件路径：/hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/store/records/impl/pb/PBRecord.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.hadoop.hdfs.server.federation.store.records.impl.pb;
import java.io.IOException;
import org.apache.hadoop.thirdparty.protobuf.Message;
/**
* A record implementation using Protobuf.
*/
public interface PBRecord {
/**
* Get the protocol for the record.
* @return The protocol for this record.
*/
Message getProto();
/**
* Set the protocol for the record.
* @param proto Protocol for this record.
*/
void setProto(Message proto);
/**
* Populate this record with serialized data.
* @param base64String Serialized data in base64.
* @throws IOException If it cannot read the data.
*/
void readInstance(String base64String) throws IOException;
}
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