org.apache.cassandra.io.compress

Class CompressionParameters

java.lang.Object

org.apache.cassandra.io.compress.CompressionParameters

public class CompressionParameters
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	CHUNK_LENGTH_KB
static java.lang.String	CRC_CHECK_CHANCE
static int	DEFAULT_CHUNK_LENGTH
static double	DEFAULT_CRC_CHECK_CHANCE
static java.util.Set<java.lang.String>	GLOBAL_OPTIONS
java.util.Map<java.lang.String,java.lang.String>	otherOptions
static IVersionedSerializer<CompressionParameters>	serializer
static java.lang.String	SSTABLE_COMPRESSION
ICompressor	sstableCompressor

Constructor Summary

Constructors

Constructor and Description
CompressionParameters(ICompressor sstableCompressor)
CompressionParameters(ICompressor sstableCompressor, java.lang.Integer chunkLength, java.util.Map<java.lang.String,java.lang.String> otherOptions)
CompressionParameters(java.lang.String sstableCompressorClass, java.lang.Integer chunkLength, java.util.Map<java.lang.String,java.lang.String> otherOptions)

Method Summary

Methods

Modifier and Type	Method and Description
java.util.Map<java.lang.String,java.lang.String>	asThriftOptions()
int	chunkLength()
CompressionParameters	copy()
static CompressionParameters	create(java.util.Map<? extends java.lang.CharSequence,? extends java.lang.CharSequence> opts)
boolean	equals(java.lang.Object obj)
double	getCrcCheckChance()
int	hashCode()
static java.lang.Integer	parseChunkLength(java.lang.String chLengthKB) Parse the chunk length (in KB) and returns it as bytes.
void	setCrcCheckChance(double crcCheckChance)
void	validate()

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_CHUNK_LENGTH

public static final int DEFAULT_CHUNK_LENGTH

See Also:

Constant Field Values

DEFAULT_CRC_CHECK_CHANCE

public static final double DEFAULT_CRC_CHECK_CHANCE

See Also:

Constant Field Values

serializer

public static final IVersionedSerializer<CompressionParameters> serializer

SSTABLE_COMPRESSION

public static final java.lang.String SSTABLE_COMPRESSION

See Also:

Constant Field Values

CHUNK_LENGTH_KB

public static final java.lang.String CHUNK_LENGTH_KB

See Also:

Constant Field Values

CRC_CHECK_CHANCE

public static final java.lang.String CRC_CHECK_CHANCE

See Also:

Constant Field Values

GLOBAL_OPTIONS

public static final java.util.Set<java.lang.String> GLOBAL_OPTIONS

sstableCompressor

public final ICompressor sstableCompressor

otherOptions

public final java.util.Map<java.lang.String,java.lang.String> otherOptions

Constructor Detail

CompressionParameters

public CompressionParameters(java.lang.String sstableCompressorClass,
                     java.lang.Integer chunkLength,
                     java.util.Map<java.lang.String,java.lang.String> otherOptions)
                      throws ConfigurationException

Throws:

ConfigurationException

CompressionParameters

public CompressionParameters(ICompressor sstableCompressor)

CompressionParameters

public CompressionParameters(ICompressor sstableCompressor,
                     java.lang.Integer chunkLength,
                     java.util.Map<java.lang.String,java.lang.String> otherOptions)
                      throws ConfigurationException

Throws:

ConfigurationException

Method Detail

create

public static CompressionParameters create(java.util.Map<? extends java.lang.CharSequence,? extends java.lang.CharSequence> opts)
                                    throws ConfigurationException

Throws:

ConfigurationException

copy

public CompressionParameters copy()

setCrcCheckChance

public void setCrcCheckChance(double crcCheckChance)
                       throws ConfigurationException

Throws:

ConfigurationException

getCrcCheckChance

public double getCrcCheckChance()

chunkLength

public int chunkLength()

parseChunkLength

public static java.lang.Integer parseChunkLength(java.lang.String chLengthKB)
                                          throws ConfigurationException

Parse the chunk length (in KB) and returns it as bytes.

Throws:

ConfigurationException

validate

public void validate()
              throws ConfigurationException

Throws:

ConfigurationException

asThriftOptions

public java.util.Map<java.lang.String,java.lang.String> asThriftOptions()

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object