org.apache.cassandra.config

Class KSMetaData

java.lang.Object

org.apache.cassandra.config.KSMetaData

public final class KSMetaData
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
boolean	durableWrites
java.lang.String	name
java.lang.Class<? extends AbstractReplicationStrategy>	strategyClass
java.util.Map<java.lang.String,java.lang.String>	strategyOptions

Method Summary

Methods

Modifier and Type	Method and Description
java.util.Map<java.lang.String,CFMetaData>	cfMetaData()
static KSMetaData	cloneWith(KSMetaData ksm, java.lang.Iterable<CFMetaData> cfDefs)
static java.lang.String	convertOldStrategyName(java.lang.String name)
static java.util.Map<java.lang.String,CFMetaData>	deserializeColumnFamilies(Row row) Deserialize ColumnFamilies from low-level schema representation, all of them belong to the same keyspace
RowMutation	dropFromSchema(long timestamp)
boolean	equals(java.lang.Object obj)
static KSMetaData	fromSchema(Row row, java.lang.Iterable<CFMetaData> cfms) Deserialize only Keyspace attributes without nested ColumnFamilies
static KSMetaData	fromSchema(Row serializedKs, Row serializedCFs) Deserialize Keyspace with nested ColumnFamilies
static KSMetaData	fromThrift(org.apache.cassandra.thrift.KsDef ksd, CFMetaData... cfDefs)
int	hashCode()
static KSMetaData	newKeyspace(java.lang.String name, java.lang.Class<? extends AbstractReplicationStrategy> strategyClass, java.util.Map<java.lang.String,java.lang.String> options, boolean durablesWrites, java.lang.Iterable<CFMetaData> cfDefs)
static KSMetaData	newKeyspace(java.lang.String name, java.lang.String strategyName, java.util.Map<java.lang.String,java.lang.String> options, boolean durableWrites)
static java.util.Map<java.lang.String,java.lang.String>	optsWithRF(java.lang.Integer rf)
KSMetaData	reloadAttributes()
static KSMetaData	systemKeyspace()
static KSMetaData	testMetadata(java.lang.String name, java.lang.Class<? extends AbstractReplicationStrategy> strategyClass, java.util.Map<java.lang.String,java.lang.String> strategyOptions, CFMetaData... cfDefs)
static KSMetaData	testMetadataNotDurable(java.lang.String name, java.lang.Class<? extends AbstractReplicationStrategy> strategyClass, java.util.Map<java.lang.String,java.lang.String> strategyOptions, CFMetaData... cfDefs)
RowMutation	toSchema(long timestamp)
RowMutation	toSchemaUpdate(KSMetaData newState, long modificationTimestamp)
java.lang.String	toString()
org.apache.cassandra.thrift.KsDef	toThrift()
static KSMetaData	traceKeyspace()
KSMetaData	validate()

Methods inherited from class java.lang.Object

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

Field Detail

name

public final java.lang.String name

strategyClass

public final java.lang.Class<? extends AbstractReplicationStrategy> strategyClass

strategyOptions

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

durableWrites

public final boolean durableWrites

Method Detail

newKeyspace

public static KSMetaData newKeyspace(java.lang.String name,
                     java.lang.String strategyName,
                     java.util.Map<java.lang.String,java.lang.String> options,
                     boolean durableWrites)
                              throws ConfigurationException

Throws:

ConfigurationException

newKeyspace

public static KSMetaData newKeyspace(java.lang.String name,
                     java.lang.Class<? extends AbstractReplicationStrategy> strategyClass,
                     java.util.Map<java.lang.String,java.lang.String> options,
                     boolean durablesWrites,
                     java.lang.Iterable<CFMetaData> cfDefs)

cloneWith

public static KSMetaData cloneWith(KSMetaData ksm,
                   java.lang.Iterable<CFMetaData> cfDefs)

systemKeyspace

public static KSMetaData systemKeyspace()

traceKeyspace

public static KSMetaData traceKeyspace()

testMetadata

public static KSMetaData testMetadata(java.lang.String name,
                      java.lang.Class<? extends AbstractReplicationStrategy> strategyClass,
                      java.util.Map<java.lang.String,java.lang.String> strategyOptions,
                      CFMetaData... cfDefs)

testMetadataNotDurable

public static KSMetaData testMetadataNotDurable(java.lang.String name,
                                java.lang.Class<? extends AbstractReplicationStrategy> strategyClass,
                                java.util.Map<java.lang.String,java.lang.String> strategyOptions,
                                CFMetaData... cfDefs)

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

cfMetaData

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

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

convertOldStrategyName

public static java.lang.String convertOldStrategyName(java.lang.String name)

optsWithRF

public static java.util.Map<java.lang.String,java.lang.String> optsWithRF(java.lang.Integer rf)

fromThrift

public static KSMetaData fromThrift(org.apache.cassandra.thrift.KsDef ksd,
                    CFMetaData... cfDefs)
                             throws ConfigurationException

Throws:

ConfigurationException

toThrift

public org.apache.cassandra.thrift.KsDef toThrift()

toSchemaUpdate

public RowMutation toSchemaUpdate(KSMetaData newState,
                         long modificationTimestamp)

validate

public KSMetaData validate()
                    throws ConfigurationException

Throws:

ConfigurationException

reloadAttributes

public KSMetaData reloadAttributes()

dropFromSchema

public RowMutation dropFromSchema(long timestamp)

toSchema

public RowMutation toSchema(long timestamp)

fromSchema

public static KSMetaData fromSchema(Row row,
                    java.lang.Iterable<CFMetaData> cfms)

Deserialize only Keyspace attributes without nested ColumnFamilies

Parameters:

row - Keyspace attributes in serialized form

Returns:

deserialized keyspace without cf_defs

fromSchema

public static KSMetaData fromSchema(Row serializedKs,
                    Row serializedCFs)

Deserialize Keyspace with nested ColumnFamilies

Parameters:

serializedKs - Keyspace in serialized form

serializedCFs - Collection of the serialized ColumnFamilies

Returns:

deserialized keyspace with cf_defs

deserializeColumnFamilies

public static java.util.Map<java.lang.String,CFMetaData> deserializeColumnFamilies(Row row)

Deserialize ColumnFamilies from low-level schema representation, all of them belong to the same keyspace

Parameters:

row -

Returns:

map containing name of the ColumnFamily and it's metadata for faster lookup