com.gigaspaces.internal.io

Class CompressedMarshObjectConvertor

java.lang.Object

com.j_spaces.kernel.pool.Resource

com.gigaspaces.internal.io.CompressedMarshObjectConvertor

All Implemented Interfaces:

IMarshObjectConvertor, MarshObjectConvertorResource, IMemoryAwareResource, IResource

Direct Known Subclasses:

ContextClassResolverCompressedMarshObjectConvertor

public class CompressedMarshObjectConvertor
extends Resource
implements MarshObjectConvertorResource

Notice! this implementation is not Thread safe and should be use in conjunction with ResourcePool only.

Since:

4.1

Author:

Guy Korland

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	CompressedMarshObjectConvertor.CompressedMarshObjectConvertorFactory

Constructor Summary

Constructors

Constructor and Description
CompressedMarshObjectConvertor(int level)
CompressedMarshObjectConvertor(int level, ISmartLengthBasedCacheCallback cacheCallback)

Method Summary

Modifier and Type	Method and Description
void	clear() Cleans the resource of its contents so it can be returned to the pool.
static IResourceFactory<CompressedMarshObjectConvertor>	getFactory()
MarshObject	getMarshObject(Object o) Convert Object to MarshObject
Object	getObject(MarshObject marsh) Convert MarshObject to Object
protected ObjectInputStream	getObjectInputStream(InputStream is)
protected ObjectOutputStream	getObjectOutputStream(OutputStream is)
long	getUsedMemory()
protected byte[]	serializeToByteArray(Object o)

Methods inherited from class com.j_spaces.kernel.pool.Resource

acquire, isAcquired, isFromPool, release, setAcquired, setFromPool

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.j_spaces.kernel.pool.IResource

acquire, isAcquired, isFromPool, release, setAcquired, setFromPool

Constructor Detail

CompressedMarshObjectConvertor

public CompressedMarshObjectConvertor(int level)

CompressedMarshObjectConvertor

public CompressedMarshObjectConvertor(int level,
                                      ISmartLengthBasedCacheCallback cacheCallback)

Parameters:

level - the compression level (0-9), The default setting is DEFAULT_COMPRESSION.

Throws:

IllegalArgumentException - if the compression level is invalid

Method Detail

serializeToByteArray

protected byte[] serializeToByteArray(Object o)
                               throws IOException

Throws:

IOException

getMarshObject

public MarshObject getMarshObject(Object o)
                           throws IOException

Description copied from interface: IMarshObjectConvertor

Convert Object to MarshObject

Specified by:

getMarshObject in interface IMarshObjectConvertor

Parameters:

o - Original object

Returns:

MarshObject of the original Object

Throws:

IOException

getObject

public Object getObject(MarshObject marsh)
                 throws IOException,
                        ClassNotFoundException

Description copied from interface: IMarshObjectConvertor

Convert MarshObject to Object

Specified by:

getObject in interface IMarshObjectConvertor

Parameters:

marsh - MarshObject to convert

Returns:

original object

Throws:

IOException

ClassNotFoundException

getObjectOutputStream

protected ObjectOutputStream getObjectOutputStream(OutputStream is)
                                            throws IOException

Throws:

IOException

getObjectInputStream

protected ObjectInputStream getObjectInputStream(InputStream is)
                                          throws IOException

Throws:

IOException

clear

public void clear()

Description copied from interface: IResource

Cleans the resource of its contents so it can be returned to the pool.

You may use the IResource.isFromPool() indication to decide of a special action before returning a resource to the pool, or discard any actions on resources not returning to the pool.

Specified by:

clear in interface IResource

Specified by:

clear in class Resource

See Also:

IResource.release()

getFactory

public static IResourceFactory<CompressedMarshObjectConvertor> getFactory()

getUsedMemory

public long getUsedMemory()

Specified by:

getUsedMemory in interface IMemoryAwareResource