org.apache.cassandra.db.streaming

Class CompressionInfo

java.lang.Object

org.apache.cassandra.db.streaming.CompressionInfo

public abstract class CompressionInfo
extends java.lang.Object

Container that carries compression parameters and chunks to decompress data from stream.

Field Summary

Fields

Modifier and Type	Field and Description
static IVersionedSerializer<CompressionInfo>	serializer

Constructor Summary

Constructors

Constructor and Description
CompressionInfo()

Method Summary

Modifier and Type	Method and Description
abstract CompressionMetadata.Chunk[]	chunks() Returns the offset and length of the file chunks.
boolean	equals(java.lang.Object o)
long	getTotalSize() Computes the size of the file to transfer.
int	hashCode()
static CompressionInfo	newInstance(CompressionMetadata.Chunk[] chunks, CompressionParams parameters) Create a CompressionInfo instance which is fully initialized.
abstract CompressionParams	parameters() Returns the compression parameters.

Methods inherited from class java.lang.Object

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

Field Detail

serializer

public static final IVersionedSerializer<CompressionInfo> serializer

Constructor Detail

CompressionInfo

public CompressionInfo()

Method Detail

parameters

public abstract CompressionParams parameters()

Returns the compression parameters.

Returns:

the compression parameters.

chunks

public abstract CompressionMetadata.Chunk[] chunks()

Returns the offset and length of the file chunks.

Returns:

the offset and length of the file chunks.

getTotalSize

public long getTotalSize()

Computes the size of the file to transfer.

Returns:

the size of the file in bytes

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

newInstance

public static CompressionInfo newInstance(CompressionMetadata.Chunk[] chunks,
                                          CompressionParams parameters)

Create a CompressionInfo instance which is fully initialized.

Parameters:

chunks - the file chunks

parameters - the compression parameters