Package org.apache.iotdb.db.conf.directories.strategy

Class RandomOnDiskUsableSpaceStrategy

java.lang.Object

org.apache.iotdb.db.conf.directories.strategy.DirectoryStrategy

org.apache.iotdb.db.conf.directories.strategy.RandomOnDiskUsableSpaceStrategy

public class RandomOnDiskUsableSpaceStrategy
extends DirectoryStrategy

Field Summary

Fields inherited from class org.apache.iotdb.db.conf.directories.strategy.DirectoryStrategy

logger

Constructor Summary

Constructors

Constructor	Description
RandomOnDiskUsableSpaceStrategy()

Method Summary

Modifier and Type	Method	Description
java.util.List<java.lang.Long>	getFolderUsableSpaceList()	get space list of all folders.
int	nextFolderIndex()	Choose a folder to allocate.

Methods inherited from class org.apache.iotdb.db.conf.directories.strategy.DirectoryStrategy

setFolders

Methods inherited from class java.lang.Object

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

Constructor Detail

RandomOnDiskUsableSpaceStrategy

public RandomOnDiskUsableSpaceStrategy()

Method Detail

nextFolderIndex

public int nextFolderIndex()
                    throws DiskSpaceInsufficientException

Description copied from class: DirectoryStrategy

Choose a folder to allocate. The user should implement this method to define his own strategy.

Specified by:

nextFolderIndex in class DirectoryStrategy

Returns:

the index of folder that will be allocated

Throws:

DiskSpaceInsufficientException

getFolderUsableSpaceList

public java.util.List<java.lang.Long> getFolderUsableSpaceList()

get space list of all folders.