tachyon.worker.allocation

Class AllocateStrategyBase

java.lang.Object

tachyon.worker.allocation.AllocateStrategyBase

All Implemented Interfaces:

AllocateStrategy

Direct Known Subclasses:

AllocateMaxFree, AllocateRandom, AllocateRR

public abstract class AllocateStrategyBase
extends Object
implements AllocateStrategy

Base class for AllocateStrategy, which provides basic function for AllocateStrategy

Constructor Summary

Constructors

Constructor and Description
AllocateStrategyBase()

Method Summary

Methods

Modifier and Type	Method and Description
boolean	fitInPossible(StorageDir[] storageDirs, long requestSizeBytes) Check whether it is possible to get enough space by evicting some blocks

Methods inherited from class java.lang.Object

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

Methods inherited from interface tachyon.worker.allocation.AllocateStrategy

getStorageDir

Constructor Detail

AllocateStrategyBase

public AllocateStrategyBase()

Method Detail

fitInPossible

public boolean fitInPossible(StorageDir[] storageDirs,
                    long requestSizeBytes)

Description copied from interface: AllocateStrategy

Check whether it is possible to get enough space by evicting some blocks

Specified by:

fitInPossible in interface AllocateStrategy

Parameters:

storageDirs - candidates of StorageDirs which space will be allocated in

requestSizeBytes - requested space in bytes

Returns:

true if possible, false otherwise