Package org.apache.hadoop.ozone.container.common.helpers

Class DatanodeVersionFile

java.lang.Object

org.apache.hadoop.ozone.container.common.helpers.DatanodeVersionFile

public class DatanodeVersionFile
extends Object

This is a utility class which helps to create the version file on datanode and also validate the content of the version file.

Constructor Summary

Constructors

Constructor	Description
DatanodeVersionFile(String storageId, String clusterId, String datanodeUuid, long cTime, int layoutVersion)

Method Summary

Modifier and Type	Method	Description
void	createVersionFile(File path)	Creates a version File in specified path.
static Properties	readFrom(File versionFile)	Creates a property object from the specified file content.

Methods inherited from class java.lang.Object

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

Constructor Details

DatanodeVersionFile

public DatanodeVersionFile(String storageId,
 String clusterId,
 String datanodeUuid,
 long cTime,
 int layoutVersion)

Method Details

createVersionFile

public void createVersionFile(File path)
                       throws IOException

Creates a version File in specified path.

Parameters:

path -

Throws:

IOException

readFrom

public static Properties readFrom(File versionFile)
                           throws IOException

Creates a property object from the specified file content.

Parameters:

versionFile -

Returns:

Properties

Throws:

IOException