org.apache.cassandra.db

Class ColumnFamily

java.lang.Object

org.apache.cassandra.db.AbstractColumnContainer

org.apache.cassandra.db.ColumnFamily

All Implemented Interfaces:

java.lang.Iterable<IColumn>, IMeasurableMemory, IRowCacheEntry, IColumnContainer, IIterableColumns

public class ColumnFamily
extends AbstractColumnContainer
implements IRowCacheEntry

Field Summary

Fields

Modifier and Type	Field and Description
static ColumnFamilySerializer	serializer

Fields inherited from class org.apache.cassandra.db.AbstractColumnContainer

columns

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ColumnFamily(CFMetaData cfm, ISortedColumns map)

Method Summary

Methods

Modifier and Type	Method and Description
void	addAllWithSCCopy(ColumnFamily cf, Allocator allocator) Same as addAll() but do a cloneMe of SuperColumn if necessary to avoid keeping references to the structure (see #3957).
void	addAtom(OnDiskAtom atom)
void	addColumn(java.nio.ByteBuffer superColumnName, Column column)
void	addColumn(QueryPath path, java.nio.ByteBuffer value, long timestamp)
void	addColumn(QueryPath path, java.nio.ByteBuffer value, long timestamp, int timeToLive)
void	addCounter(QueryPath path, long value)
void	addTombstone(java.nio.ByteBuffer name, int localDeletionTime, long timestamp)
void	addTombstone(QueryPath path, java.nio.ByteBuffer localDeletionTime, long timestamp)
void	addTombstone(QueryPath path, int localDeletionTime, long timestamp)
void	clear()
ColumnFamily	cloneMe()
ColumnFamily	cloneMeShallow()
ColumnFamily	cloneMeShallow(ISortedColumns.Factory factory, boolean reversedInsertOrder)
static ColumnFamily	create(CFMetaData cfm)
static ColumnFamily	create(CFMetaData cfm, ISortedColumns.Factory factory)
static ColumnFamily	create(CFMetaData cfm, ISortedColumns.Factory factory, boolean reversedInsertOrder)
static ColumnFamily	create(java.lang.String tableName, java.lang.String cfName)
static ColumnFamily	create(java.util.UUID cfId)
static ColumnFamily	create(java.util.UUID cfId, ISortedColumns.Factory factory)
ColumnFamily	diff(ColumnFamily cfComposite)
static ColumnFamily	diff(ColumnFamily cf1, ColumnFamily cf2)
static java.nio.ByteBuffer	digest(ColumnFamily cf)
boolean	equals(java.lang.Object o)
IColumnSerializer	getColumnSerializer()
ColumnStats	getColumnStats()
static AbstractType<?>	getComparatorFor(java.lang.String table, java.lang.String columnFamilyName, java.nio.ByteBuffer superColumnName)
OnDiskAtom.Serializer	getOnDiskSerializer()
AbstractType<?>	getSubComparator()
ColumnFamilyType	getType()
int	hashCode()
java.util.UUID	id()
boolean	isSuper()
long	maxTimestamp()
long	memorySize()
CFMetaData	metadata()
void	resolve(ColumnFamily cf)
void	resolve(ColumnFamily cf, Allocator allocator)
java.lang.String	toString()
void	updateDigest(java.security.MessageDigest digest)
void	validateColumnFields() Goes over all columns and check the fields are valid (as far as we can tell).

Methods inherited from class org.apache.cassandra.db.AbstractColumnContainer

addAll, addAll, addAllWithSizeDelta, addColumn, addColumn, delete, delete, delete, delete, deletionInfo, getColumn, getColumnCount, getColumnNames, getComparator, getEstimatedColumnCount, getReverseSortedColumns, getSortedColumns, hasIrrelevantData, hasOnlyTombstones, isEmpty, isMarkedForDelete, iterator, iterator, maybeResetDeletionTimes, remove, replace, retainAll, reverseIterator, setDeletionInfo

Methods inherited from class java.lang.Object

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

Field Detail

serializer

public static final ColumnFamilySerializer serializer

Constructor Detail

ColumnFamily

protected ColumnFamily(CFMetaData cfm,
            ISortedColumns map)

Method Detail

create

public static ColumnFamily create(java.util.UUID cfId)

create

public static ColumnFamily create(java.util.UUID cfId,
                  ISortedColumns.Factory factory)

create

public static ColumnFamily create(java.lang.String tableName,
                  java.lang.String cfName)

create

public static ColumnFamily create(CFMetaData cfm)

create

public static ColumnFamily create(CFMetaData cfm,
                  ISortedColumns.Factory factory)

create

public static ColumnFamily create(CFMetaData cfm,
                  ISortedColumns.Factory factory,
                  boolean reversedInsertOrder)

cloneMeShallow

public ColumnFamily cloneMeShallow(ISortedColumns.Factory factory,
                          boolean reversedInsertOrder)

cloneMeShallow

public ColumnFamily cloneMeShallow()

getSubComparator

public AbstractType<?> getSubComparator()

getType

public ColumnFamilyType getType()

cloneMe

public ColumnFamily cloneMe()

id

public java.util.UUID id()

metadata

public CFMetaData metadata()

Returns:

The CFMetaData for this row

getColumnSerializer

public IColumnSerializer getColumnSerializer()

getOnDiskSerializer

public OnDiskAtom.Serializer getOnDiskSerializer()

isSuper

public boolean isSuper()

addAllWithSCCopy

public void addAllWithSCCopy(ColumnFamily cf,
                    Allocator allocator)

Same as addAll() but do a cloneMe of SuperColumn if necessary to avoid keeping references to the structure (see #3957).

addColumn

public void addColumn(QueryPath path,
             java.nio.ByteBuffer value,
             long timestamp)

addColumn

public void addColumn(QueryPath path,
             java.nio.ByteBuffer value,
             long timestamp,
             int timeToLive)

addCounter

public void addCounter(QueryPath path,
              long value)

addTombstone

public void addTombstone(QueryPath path,
                java.nio.ByteBuffer localDeletionTime,
                long timestamp)

addTombstone

public void addTombstone(QueryPath path,
                int localDeletionTime,
                long timestamp)

addTombstone

public void addTombstone(java.nio.ByteBuffer name,
                int localDeletionTime,
                long timestamp)

addColumn

public void addColumn(java.nio.ByteBuffer superColumnName,
             Column column)

addAtom

public void addAtom(OnDiskAtom atom)

clear

public void clear()

diff

public ColumnFamily diff(ColumnFamily cfComposite)

memorySize

public long memorySize()

Specified by:

memorySize in interface IMeasurableMemory

maxTimestamp

public long maxTimestamp()

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

digest

public static java.nio.ByteBuffer digest(ColumnFamily cf)

updateDigest

public void updateDigest(java.security.MessageDigest digest)

getComparatorFor

public static AbstractType<?> getComparatorFor(java.lang.String table,
                               java.lang.String columnFamilyName,
                               java.nio.ByteBuffer superColumnName)

diff

public static ColumnFamily diff(ColumnFamily cf1,
                ColumnFamily cf2)

resolve

public void resolve(ColumnFamily cf)

resolve

public void resolve(ColumnFamily cf,
           Allocator allocator)

validateColumnFields

public void validateColumnFields()
                          throws MarshalException

Goes over all columns and check the fields are valid (as far as we can tell). This is used to detect corruption after deserialization.

Throws:

MarshalException

getColumnStats

public ColumnStats getColumnStats()