org.apache.cassandra.config
Class CFMetaData

java.lang.Object
  org.apache.cassandra.config.CFMetaData

public final class CFMetaData
extends java.lang.Object

Field Summary

java.lang.Integer	cfId
java.lang.String	cfName
ColumnFamilyType	cfType
AbstractType	comparator
static int	DEFAULT_GC_GRACE_SECONDS
static int	DEFAULT_KEY_CACHE_SAVE_PERIOD_IN_SECONDS
static double	DEFAULT_KEY_CACHE_SIZE
static java.nio.ByteBuffer	DEFAULT_KEY_NAME
static int	DEFAULT_MAX_COMPACTION_THRESHOLD
static int	DEFAULT_MEMTABLE_LIFETIME_IN_MINS
static double	DEFAULT_MEMTABLE_OPERATIONS_IN_MILLIONS
static int	DEFAULT_MEMTABLE_THROUGHPUT_IN_MB
static double	DEFAULT_MERGE_SHARDS_CHANCE
static int	DEFAULT_MIN_COMPACTION_THRESHOLD
static double	DEFAULT_READ_REPAIR_CHANCE
static boolean	DEFAULT_REPLICATE_ON_WRITE
static java.lang.String	DEFAULT_ROW_CACHE_PROVIDER
static int	DEFAULT_ROW_CACHE_SAVE_PERIOD_IN_SECONDS
static double	DEFAULT_ROW_CACHE_SIZE
static int	DEFAULT_SYSTEM_MEMTABLE_THROUGHPUT_IN_MB
static CFMetaData	HintsCf
static CFMetaData	IndexCf
java.lang.String	ksName
static CFMetaData	MigrationsCf
static CFMetaData	NodeIdCf
static CFMetaData	SchemaCf
static CFMetaData	StatusCf
AbstractType	subcolumnComparator

Constructor Summary

CFMetaData(java.lang.String keyspace, java.lang.String name, ColumnFamilyType type, AbstractType comp, AbstractType subcc)

Method Summary

static void	addDefaultIndexNames(org.apache.cassandra.thrift.CfDef cf_def) Convert a null index_name to appropriate default name according to column status
void	apply(CfDef cf_def)
static void	applyImplicitDefaults(org.apache.cassandra.thrift.CfDef cf_def) applies implicit defaults to cf definition.
CFMetaData	columnMetadata(java.util.Map<java.nio.ByteBuffer,ColumnDefinition> prop)
CFMetaData	comment(java.lang.String prop)
static CfDef	convertToAvro(org.apache.cassandra.thrift.CfDef def)
static CfDef	convertToAvro(CFMetaData cfm)
static org.apache.cassandra.thrift.CfDef	convertToThrift(CFMetaData cfm)
CFMetaData	defaultValidator(AbstractType prop)
CfDef	deflate()
boolean	equals(java.lang.Object obj)
static void	fixMaxId()
static CFMetaData	fromThrift(org.apache.cassandra.thrift.CfDef cf_def)
CFMetaData	gcGraceSeconds(int prop)
static Pair<java.lang.String,java.lang.String>	getCF(java.lang.Integer cfId)
java.util.Map<java.nio.ByteBuffer,ColumnDefinition>	getColumn_metadata()
ColumnDefinition	getColumnDefinition(java.nio.ByteBuffer name)
java.lang.String	getComment()
AbstractType	getComparatorFor(java.nio.ByteBuffer superColumnName)
static java.lang.String	getDefaultIndexName(AbstractType comparator, java.nio.ByteBuffer columnName)
AbstractType	getDefaultValidator()
int	getGcGraceSeconds()
static java.lang.Integer	getId(java.lang.String ksName, java.lang.String cfName)
int	getKeyCacheSavePeriodInSeconds()
double	getKeyCacheSize()
java.nio.ByteBuffer	getKeyName()
AbstractType	getKeyValidator()
java.lang.Integer	getMaxCompactionThreshold()
int	getMemtableFlushAfterMins()
double	getMemtableOperationsInMillions()
int	getMemtableThroughputInMb()
double	getMergeShardsChance()
java.lang.Integer	getMinCompactionThreshold()
double	getReadRepairChance()
boolean	getReplicateOnWrite()
IRowCacheProvider	getRowCacheProvider()
int	getRowCacheSavePeriodInSeconds()
double	getRowCacheSize()
AbstractType	getValueValidator(java.nio.ByteBuffer column)
int	hashCode()
java.lang.String	indexColumnFamilyName(ColumnDefinition info) generate a column family name for an index corresponding to the given column.
static CFMetaData	inflate(CfDef cf)
CFMetaData	keyAlias(java.nio.ByteBuffer prop)
CFMetaData	keyCacheSavePeriod(int prop)
CFMetaData	keyCacheSize(double prop)
CFMetaData	keyValidator(AbstractType prop)
static void	map(CFMetaData cfm) adds this cfm to the map.
CFMetaData	maxCompactionThreshold(int prop)
CFMetaData	memOps(double prop)
CFMetaData	memSize(int prop)
CFMetaData	memTime(int prop)
CFMetaData	mergeShardsChance(double prop)
CFMetaData	minCompactionThreshold(int prop)
static CFMetaData	newIndexMetadata(CFMetaData parent, ColumnDefinition info, AbstractType columnComparator)
static void	purge(CFMetaData cfm) used for evicting cf data out of static tracking collections.
CFMetaData	readRepairChance(double prop)
static CFMetaData	rename(CFMetaData cfm, java.lang.String newName)
static CFMetaData	renameTable(CFMetaData cfm, java.lang.String ksName)
CFMetaData	replicateOnWrite(boolean prop)
CFMetaData	rowCacheProvider(IRowCacheProvider prop)
CFMetaData	rowCacheSavePeriod(int prop)
CFMetaData	rowCacheSize(double prop)
static double	sizeMemtableOperations(int mem_throughput)
static int	sizeMemtableThroughput()
java.lang.String	toString()
static void	validateMemtableSettings(CfDef cf_def)
static void	validateMinMaxCompactionThresholds(CfDef cf_def)

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_ROW_CACHE_SIZE

public static final double DEFAULT_ROW_CACHE_SIZE

See Also:

Constant Field Values

DEFAULT_KEY_CACHE_SIZE

public static final double DEFAULT_KEY_CACHE_SIZE

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Constant Field Values

DEFAULT_READ_REPAIR_CHANCE

public static final double DEFAULT_READ_REPAIR_CHANCE

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Constant Field Values

DEFAULT_REPLICATE_ON_WRITE

public static final boolean DEFAULT_REPLICATE_ON_WRITE

See Also:

Constant Field Values

DEFAULT_SYSTEM_MEMTABLE_THROUGHPUT_IN_MB

public static final int DEFAULT_SYSTEM_MEMTABLE_THROUGHPUT_IN_MB

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Constant Field Values

DEFAULT_ROW_CACHE_SAVE_PERIOD_IN_SECONDS

public static final int DEFAULT_ROW_CACHE_SAVE_PERIOD_IN_SECONDS

See Also:

Constant Field Values

DEFAULT_KEY_CACHE_SAVE_PERIOD_IN_SECONDS

public static final int DEFAULT_KEY_CACHE_SAVE_PERIOD_IN_SECONDS

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Constant Field Values

DEFAULT_GC_GRACE_SECONDS

public static final int DEFAULT_GC_GRACE_SECONDS

See Also:

Constant Field Values

DEFAULT_MIN_COMPACTION_THRESHOLD

public static final int DEFAULT_MIN_COMPACTION_THRESHOLD

See Also:

Constant Field Values

DEFAULT_MAX_COMPACTION_THRESHOLD

public static final int DEFAULT_MAX_COMPACTION_THRESHOLD

See Also:

Constant Field Values

DEFAULT_MEMTABLE_LIFETIME_IN_MINS

public static final int DEFAULT_MEMTABLE_LIFETIME_IN_MINS

See Also:

Constant Field Values

DEFAULT_MEMTABLE_THROUGHPUT_IN_MB

public static final int DEFAULT_MEMTABLE_THROUGHPUT_IN_MB

DEFAULT_MEMTABLE_OPERATIONS_IN_MILLIONS

public static final double DEFAULT_MEMTABLE_OPERATIONS_IN_MILLIONS

DEFAULT_MERGE_SHARDS_CHANCE

public static final double DEFAULT_MERGE_SHARDS_CHANCE

See Also:

Constant Field Values

DEFAULT_ROW_CACHE_PROVIDER

public static final java.lang.String DEFAULT_ROW_CACHE_PROVIDER

See Also:

Constant Field Values

DEFAULT_KEY_NAME

public static final java.nio.ByteBuffer DEFAULT_KEY_NAME

StatusCf

public static final CFMetaData StatusCf

HintsCf

public static final CFMetaData HintsCf

MigrationsCf

public static final CFMetaData MigrationsCf

SchemaCf

public static final CFMetaData SchemaCf

IndexCf

public static final CFMetaData IndexCf

NodeIdCf

public static final CFMetaData NodeIdCf

cfId

public final java.lang.Integer cfId

ksName

public final java.lang.String ksName

cfName

public final java.lang.String cfName

cfType

public final ColumnFamilyType cfType

comparator

public final AbstractType comparator

subcolumnComparator

public final AbstractType subcolumnComparator

Constructor Detail

CFMetaData

public CFMetaData(java.lang.String keyspace,
                  java.lang.String name,
                  ColumnFamilyType type,
                  AbstractType comp,
                  AbstractType subcc)

Method Detail

sizeMemtableThroughput

public static int sizeMemtableThroughput()

Returns:

A calculated memtable throughput size for this machine.

sizeMemtableOperations

public static double sizeMemtableOperations(int mem_throughput)

Returns:

A calculated memtable operation count for this machine.

getCF

public static Pair<java.lang.String,java.lang.String> getCF(java.lang.Integer cfId)

Returns:

The (ksname,cfname) pair for the given id, or null if it has been dropped.

getId

public static java.lang.Integer getId(java.lang.String ksName,
                                      java.lang.String cfName)

Returns:

The id for the given (ksname,cfname) pair, or null if it has been dropped.

fixMaxId

public static void fixMaxId()

map

public static void map(CFMetaData cfm)
                throws ConfigurationException

adds this cfm to the map.

Throws:

ConfigurationException

comment

public CFMetaData comment(java.lang.String prop)

rowCacheSize

public CFMetaData rowCacheSize(double prop)

keyCacheSize

public CFMetaData keyCacheSize(double prop)

readRepairChance

public CFMetaData readRepairChance(double prop)

replicateOnWrite

public CFMetaData replicateOnWrite(boolean prop)

gcGraceSeconds

public CFMetaData gcGraceSeconds(int prop)

defaultValidator

public CFMetaData defaultValidator(AbstractType prop)

keyValidator

public CFMetaData keyValidator(AbstractType prop)

minCompactionThreshold

public CFMetaData minCompactionThreshold(int prop)

maxCompactionThreshold

public CFMetaData maxCompactionThreshold(int prop)

rowCacheSavePeriod

public CFMetaData rowCacheSavePeriod(int prop)

keyCacheSavePeriod

public CFMetaData keyCacheSavePeriod(int prop)

memTime

public CFMetaData memTime(int prop)

memSize

public CFMetaData memSize(int prop)

memOps

public CFMetaData memOps(double prop)

mergeShardsChance

public CFMetaData mergeShardsChance(double prop)

keyAlias

public CFMetaData keyAlias(java.nio.ByteBuffer prop)

columnMetadata

public CFMetaData columnMetadata(java.util.Map<java.nio.ByteBuffer,ColumnDefinition> prop)

rowCacheProvider

public CFMetaData rowCacheProvider(IRowCacheProvider prop)

newIndexMetadata

public static CFMetaData newIndexMetadata(CFMetaData parent,
                                          ColumnDefinition info,
                                          AbstractType columnComparator)

rename

public static CFMetaData rename(CFMetaData cfm,
                                java.lang.String newName)

renameTable

public static CFMetaData renameTable(CFMetaData cfm,
                                     java.lang.String ksName)

purge

public static void purge(CFMetaData cfm)

used for evicting cf data out of static tracking collections.

indexColumnFamilyName

public java.lang.String indexColumnFamilyName(ColumnDefinition info)

generate a column family name for an index corresponding to the given column. This is NOT the same as the index's name! This is only used in sstable filenames and is not exposed to users.

Parameters:

info - A definition of the column with index

Returns:

name of the index ColumnFamily

deflate

public CfDef deflate()

inflate

public static CFMetaData inflate(CfDef cf)

getComment

public java.lang.String getComment()

getRowCacheSize

public double getRowCacheSize()

getKeyCacheSize

public double getKeyCacheSize()

getReadRepairChance

public double getReadRepairChance()

getMergeShardsChance

public double getMergeShardsChance()

getReplicateOnWrite

public boolean getReplicateOnWrite()

getGcGraceSeconds

public int getGcGraceSeconds()

getDefaultValidator

public AbstractType getDefaultValidator()

getKeyValidator

public AbstractType getKeyValidator()

getMinCompactionThreshold

public java.lang.Integer getMinCompactionThreshold()

getMaxCompactionThreshold

public java.lang.Integer getMaxCompactionThreshold()

getRowCacheSavePeriodInSeconds

public int getRowCacheSavePeriodInSeconds()

getKeyCacheSavePeriodInSeconds

public int getKeyCacheSavePeriodInSeconds()

getMemtableFlushAfterMins

public int getMemtableFlushAfterMins()

getMemtableThroughputInMb

public int getMemtableThroughputInMb()

getMemtableOperationsInMillions

public double getMemtableOperationsInMillions()

getRowCacheProvider

public IRowCacheProvider getRowCacheProvider()

getKeyName

public java.nio.ByteBuffer getKeyName()

getColumn_metadata

public java.util.Map<java.nio.ByteBuffer,ColumnDefinition> getColumn_metadata()

getComparatorFor

public AbstractType getComparatorFor(java.nio.ByteBuffer superColumnName)

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

getValueValidator

public AbstractType getValueValidator(java.nio.ByteBuffer column)

applyImplicitDefaults

public static void applyImplicitDefaults(org.apache.cassandra.thrift.CfDef cf_def)

applies implicit defaults to cf definition. useful in updates

fromThrift

public static CFMetaData fromThrift(org.apache.cassandra.thrift.CfDef cf_def)
                             throws org.apache.cassandra.thrift.InvalidRequestException,
                                    ConfigurationException

Throws:

org.apache.cassandra.thrift.InvalidRequestException

ConfigurationException

apply

public void apply(CfDef cf_def)
           throws ConfigurationException

Throws:

ConfigurationException

convertToThrift

public static org.apache.cassandra.thrift.CfDef convertToThrift(CFMetaData cfm)

convertToAvro

public static CfDef convertToAvro(CFMetaData cfm)

convertToAvro

public static CfDef convertToAvro(org.apache.cassandra.thrift.CfDef def)

validateMinMaxCompactionThresholds

public static void validateMinMaxCompactionThresholds(CfDef cf_def)
                                               throws ConfigurationException

Throws:

ConfigurationException

validateMemtableSettings

public static void validateMemtableSettings(CfDef cf_def)
                                     throws ConfigurationException

Throws:

ConfigurationException

getColumnDefinition

public ColumnDefinition getColumnDefinition(java.nio.ByteBuffer name)

addDefaultIndexNames

public static void addDefaultIndexNames(org.apache.cassandra.thrift.CfDef cf_def)
                                 throws org.apache.cassandra.thrift.InvalidRequestException

Convert a null index_name to appropriate default name according to column status

Parameters:

cf_def - Thrift ColumnFamily Definition

Throws:

org.apache.cassandra.thrift.InvalidRequestException

getDefaultIndexName

public static java.lang.String getDefaultIndexName(AbstractType comparator,
                                                   java.nio.ByteBuffer columnName)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object