org.apache.ignite.internal.mem.file

Class MappedFileMemoryProvider

java.lang.Object

org.apache.ignite.internal.mem.file.MappedFileMemoryProvider

All Implemented Interfaces:

DirectMemoryProvider

public class MappedFileMemoryProvider
extends Object
implements DirectMemoryProvider

Constructor Summary

Constructors

Constructor and Description
MappedFileMemoryProvider(IgniteLogger log, File allocationPath)

Method Summary

Methods

Modifier and Type	Method and Description
void	initialize(long[] sizes)
DirectMemoryRegion	nextRegion() Attempts to allocate next memory region.
void	shutdown() Shuts down the provider.

Methods inherited from class java.lang.Object

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

Constructor Detail

MappedFileMemoryProvider

public MappedFileMemoryProvider(IgniteLogger log,
                        File allocationPath)

Parameters:

allocationPath - Allocation path.

Method Detail

initialize

public void initialize(long[] sizes)

Specified by:

initialize in interface DirectMemoryProvider

Parameters:

sizes - Initializes provider with the chunk sizes.

shutdown

public void shutdown()

Shuts down the provider. Will deallocate all previously allocated regions.

Specified by:

shutdown in interface DirectMemoryProvider

nextRegion

public DirectMemoryRegion nextRegion()

Attempts to allocate next memory region. Will return null if no more regions are available.

Specified by:

nextRegion in interface DirectMemoryProvider

Returns:

Next memory region.