Package org.apache.ignite.internal.processors.compress

Class CompressionHandler

java.lang.Object

org.apache.ignite.internal.processors.compress.CompressionHandler

public class CompressionHandler
extends Object

Method Summary

Modifier and Type	Method	Description
boolean	compressionEnabled()
ByteBuffer	compressPage(ByteBuffer page, PageStore store)
static CompressionHandler	create(GridKernalContext ctx, CacheConfiguration cfg)	Creates compression handler.
DiskPageCompression	diskPageCompression()
int	diskPageCompressionLevel()

Methods inherited from class java.lang.Object

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

Method Detail

diskPageCompression

public DiskPageCompression diskPageCompression()

Returns:

Disk page compression algorithm..

diskPageCompressionLevel

public int diskPageCompressionLevel()

Returns:

Disk page compression level.

compressionEnabled

public boolean compressionEnabled()

Returns:

true if disk page compression is enabled.

compressPage

public ByteBuffer compressPage(ByteBuffer page,
                               PageStore store)
                        throws IgniteCheckedException

Parameters:

page - Page buffer.

store - Page store.

Returns:

Compressed or the same buffer.

Throws:

IgniteCheckedException - If failed.

create

public static CompressionHandler create(GridKernalContext ctx,
                                        CacheConfiguration cfg)
                                 throws IgniteCheckedException

Creates compression handler.

Parameters:

ctx - Grid kernal context.

cfg - Cache or cache group configuration.

Returns:

Compression handler.

Throws:

IgniteCheckedException