org.apache.cassandra.io.util

Class DiskAwareRunnable

java.lang.Object

org.apache.cassandra.utils.WrappedRunnable

org.apache.cassandra.io.util.DiskAwareRunnable

All Implemented Interfaces:

java.lang.Runnable

public abstract class DiskAwareRunnable
extends WrappedRunnable

Constructor Summary

Constructors

Constructor and Description
DiskAwareRunnable()

Method Summary

Modifier and Type	Method and Description
protected abstract Directories	getDirectories() Get sstable directories for the CF.
protected abstract Directories.DataDirectory	getDirectory()
protected Directories.DataDirectory	getWriteDirectory(long writeSize)
boolean	reduceScopeForLimitedSpace() Called if no disk is available with free space for the full write size.

Methods inherited from class org.apache.cassandra.utils.WrappedRunnable

run, runMayThrow

Methods inherited from class java.lang.Object

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

Constructor Detail

DiskAwareRunnable

public DiskAwareRunnable()

Method Detail

getWriteDirectory

protected Directories.DataDirectory getWriteDirectory(long writeSize)

getDirectories

protected abstract Directories getDirectories()

Get sstable directories for the CF.

Returns:

Directories instance for the CF.

getDirectory

protected abstract Directories.DataDirectory getDirectory()

reduceScopeForLimitedSpace

public boolean reduceScopeForLimitedSpace()

Called if no disk is available with free space for the full write size.

Returns:

true if the scope of the task was successfully reduced.