org.apache.cassandra.db
Class SuperColumn

java.lang.Object
  org.apache.cassandra.db.SuperColumn

All Implemented Interfaces:

IColumn, IColumnContainer

public class SuperColumn
extends java.lang.Object
implements IColumn, IColumnContainer

Field Summary

Fields inherited from interface org.apache.cassandra.db.IColumn

MAX_NAME_LENGTH

Constructor Summary

SuperColumn(java.nio.ByteBuffer name, AbstractType comparator)

Method Summary

void	addColumn(IColumn column)
IColumn	cloneMe()
SuperColumn	cloneMeShallow()
IColumn	diff(IColumn columnNew)
AbstractType	getComparator()
int	getLocalDeletionTime()
long	getMarkedForDeleteAt()
java.util.Collection<IColumn>	getSortedColumns()
java.lang.String	getString(AbstractType comparator)
IColumn	getSubColumn(java.nio.ByteBuffer columnName)
java.util.Collection<IColumn>	getSubColumns()
boolean	isLive() For a simple column, live == !isMarkedForDelete.
boolean	isMarkedForDelete()
IColumn	localCopy(ColumnFamilyStore cfs) clones the column, interning column names and making copies of other underlying byte buffers
void	markForDeleteAt(int localDeleteTime, long timestamp) Deprecated.
long	mostRecentLiveChangeAt()
java.nio.ByteBuffer	name()
void	putColumn(IColumn column)
IColumn	reconcile(IColumn c)
void	remove(java.nio.ByteBuffer columnName)
int	serializationFlags()
int	serializedSize() This returns the size of the super-column when serialized.
static org.apache.cassandra.db.SuperColumnSerializer	serializer(AbstractType comparator)
IColumn	shallowCopy()
int	size() This calculates the exact size of the sub columns on the fly
long	timestamp()
void	updateDigest(java.security.MessageDigest digest)
void	validateFields(CFMetaData metadata)
java.nio.ByteBuffer	value()

Methods inherited from class java.lang.Object

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

Constructor Detail

SuperColumn

public SuperColumn(java.nio.ByteBuffer name,
                   AbstractType comparator)

Method Detail

serializer

public static org.apache.cassandra.db.SuperColumnSerializer serializer(AbstractType comparator)

getComparator

public AbstractType getComparator()

Specified by:

getComparator in interface IColumnContainer

cloneMeShallow

public SuperColumn cloneMeShallow()

cloneMe

public IColumn cloneMe()

isMarkedForDelete

public boolean isMarkedForDelete()

Specified by:

isMarkedForDelete in interface IColumn

Specified by:

isMarkedForDelete in interface IColumnContainer

name

public java.nio.ByteBuffer name()

Specified by:

name in interface IColumn

getSubColumns

public java.util.Collection<IColumn> getSubColumns()

Specified by:

getSubColumns in interface IColumn

getSortedColumns

public java.util.Collection<IColumn> getSortedColumns()

Specified by:

getSortedColumns in interface IColumnContainer

getSubColumn

public IColumn getSubColumn(java.nio.ByteBuffer columnName)

Specified by:

getSubColumn in interface IColumn

size

public int size()

This calculates the exact size of the sub columns on the fly

Specified by:

size in interface IColumn

serializedSize

public int serializedSize()

This returns the size of the super-column when serialized.

Specified by:

serializedSize in interface IColumn

See Also:

IColumn.serializedSize()

remove

public void remove(java.nio.ByteBuffer columnName)

Specified by:

remove in interface IColumnContainer

timestamp

public long timestamp()

Specified by:

timestamp in interface IColumn

mostRecentLiveChangeAt

public long mostRecentLiveChangeAt()

Specified by:

mostRecentLiveChangeAt in interface IColumn

value

public java.nio.ByteBuffer value()

Specified by:

value in interface IColumn

addColumn

public void addColumn(IColumn column)

Specified by:

addColumn in interface IColumn

Specified by:

addColumn in interface IColumnContainer

putColumn

public void putColumn(IColumn column)

getMarkedForDeleteAt

public long getMarkedForDeleteAt()

Specified by:

getMarkedForDeleteAt in interface IColumn

Specified by:

getMarkedForDeleteAt in interface IColumnContainer

diff

public IColumn diff(IColumn columnNew)

Specified by:

diff in interface IColumn

updateDigest

public void updateDigest(java.security.MessageDigest digest)

Specified by:

updateDigest in interface IColumn

getString

public java.lang.String getString(AbstractType comparator)

Specified by:

getString in interface IColumn

isLive

public boolean isLive()

Description copied from interface: IColumn

For a simple column, live == !isMarkedForDelete. For a supercolumn, live means it has at least one subcolumn whose timestamp is greater than the supercolumn deleted-at time.

Specified by:

isLive in interface IColumn

getLocalDeletionTime

public int getLocalDeletionTime()

Specified by:

getLocalDeletionTime in interface IColumn

markForDeleteAt

@Deprecated
public void markForDeleteAt(int localDeleteTime,
                                       long timestamp)

Deprecated.

shallowCopy

public IColumn shallowCopy()

localCopy

public IColumn localCopy(ColumnFamilyStore cfs)

Description copied from interface: IColumn

clones the column, interning column names and making copies of other underlying byte buffers

Specified by:

localCopy in interface IColumn

reconcile

public IColumn reconcile(IColumn c)

Specified by:

reconcile in interface IColumn

serializationFlags

public int serializationFlags()

Specified by:

serializationFlags in interface IColumn

validateFields

public void validateFields(CFMetaData metadata)
                    throws MarshalException

Specified by:

validateFields in interface IColumn

Throws:

MarshalException