com.alipay.sofa.jraft.storage.io

Class ProtoBufFile

java.lang.Object

com.alipay.sofa.jraft.storage.io.ProtoBufFile

public class ProtoBufFile
extends Object

A file to store protobuf message. Format:

• class name length(4 bytes)
• class name
• msg length(4 bytes)
• msg data

Author:

boyan (boyan@alibaba-inc.com) 2018-Mar-12 8:56:23 PM

Constructor Summary

Constructors

Constructor and Description
ProtoBufFile(String path)

Method Summary

Modifier and Type	Method and Description
<T extends com.google.protobuf.Message> T	load() Load a protobuf message from file.
boolean	save(com.google.protobuf.Message msg, boolean sync) Save a protobuf message to file.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ProtoBufFile

public ProtoBufFile(String path)

Method Detail

load

public <T extends com.google.protobuf.Message> T load()
                                               throws IOException

Load a protobuf message from file.

Throws:

IOException

save

public boolean save(com.google.protobuf.Message msg,
                    boolean sync)
             throws IOException

Save a protobuf message to file.

Parameters:

msg - protobuf message

sync - if sync flush data to disk

Returns:

true if save success

Throws:

IOException