org.apache.cassandra.db
Class ColumnFamily

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

All Implemented Interfaces:

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

public class ColumnFamily
extends java.lang.Object
implements IColumnContainer, IIterableColumns

Constructor Summary

ColumnFamily(ColumnFamilyType type, AbstractType comparator, AbstractType subcolumnComparator, java.lang.Integer cfid)

Method Summary

void	addAll(ColumnFamily cf)
void	addColumn(java.nio.ByteBuffer superColumnName, Column column)
void	addColumn(IColumn column)
void	addColumn(QueryPath path, java.nio.ByteBuffer value, long timestamp)
void	addColumn(QueryPath path, java.nio.ByteBuffer value, long timestamp, int timeToLive)
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()
static ColumnFamily	create(CFMetaData cfm)
static ColumnFamily	create(java.lang.Integer cfId)
static ColumnFamily	create(java.lang.String tableName, java.lang.String cfName)
void	deepCopyColumn(IColumn column) Used to force copy an existing column
void	delete(ColumnFamily cf2)
void	delete(int localtime, long timestamp) Deprecated.
ColumnFamily	diff(ColumnFamily cfComposite)
static ColumnFamily	diff(ColumnFamily cf1, ColumnFamily cf2)
static java.nio.ByteBuffer	digest(ColumnFamily cf)
boolean	equals(java.lang.Object o)
IColumn	getColumn(java.nio.ByteBuffer name)
ColumnFamilyType	getColumnFamilyType()
java.util.SortedSet<java.nio.ByteBuffer>	getColumnNames()
IColumnSerializer	getColumnSerializer() FIXME: Gross.
java.util.Map<java.nio.ByteBuffer,IColumn>	getColumnsMap()
AbstractType	getComparator()
static AbstractType	getComparatorFor(java.lang.String table, java.lang.String columnFamilyName, java.nio.ByteBuffer superColumnName)
int	getEstimatedColumnCount()
int	getLocalDeletionTime()
long	getMarkedForDeleteAt()
java.util.Collection<IColumn>	getReverseSortedColumns()
java.util.Collection<IColumn>	getSortedColumns()
AbstractType	getSubComparator()
int	hashCode()
java.lang.Integer	id()
boolean	isMarkedForDelete()
boolean	isSuper()
java.util.Iterator<IColumn>	iterator()
CFMetaData	metadata()
void	remove(java.nio.ByteBuffer columnName)
void	resolve(ColumnFamily cf)
static ColumnFamilySerializer	serializer()
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 java.lang.Object

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

Constructor Detail

ColumnFamily

public ColumnFamily(ColumnFamilyType type,
                    AbstractType comparator,
                    AbstractType subcolumnComparator,
                    java.lang.Integer cfid)

Method Detail

serializer

public static ColumnFamilySerializer serializer()

create

public static ColumnFamily create(java.lang.Integer cfId)

create

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

create

public static ColumnFamily create(CFMetaData cfm)

cloneMeShallow

public ColumnFamily cloneMeShallow()

getSubComparator

public AbstractType getSubComparator()

getColumnFamilyType

public ColumnFamilyType getColumnFamilyType()

cloneMe

public ColumnFamily cloneMe()

id

public java.lang.Integer id()

metadata

public CFMetaData metadata()

Returns:

The CFMetaData for this row, or null if the column family was dropped.

addAll

public void addAll(ColumnFamily cf)

getColumnSerializer

public IColumnSerializer getColumnSerializer()

FIXME: Gross.

isSuper

public boolean isSuper()

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)

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)

clear

public void clear()

addColumn

public void addColumn(IColumn column)

Specified by:

addColumn in interface IColumnContainer

getColumn

public IColumn getColumn(java.nio.ByteBuffer name)

getColumnNames

public java.util.SortedSet<java.nio.ByteBuffer> getColumnNames()

getSortedColumns

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

getReverseSortedColumns

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

getColumnsMap

public java.util.Map<java.nio.ByteBuffer,IColumn> getColumnsMap()

remove

public void remove(java.nio.ByteBuffer columnName)

delete

@Deprecated
public void delete(int localtime,
                              long timestamp)

Deprecated.

delete

public void delete(ColumnFamily cf2)

isMarkedForDelete

public boolean isMarkedForDelete()

Specified by:

isMarkedForDelete in interface IColumnContainer

diff

public ColumnFamily diff(ColumnFamily cfComposite)

getComparator

public AbstractType getComparator()

Specified by:

getComparator in interface IColumnContainer

Specified by:

getComparator in interface IIterableColumns

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)

getMarkedForDeleteAt

public long getMarkedForDeleteAt()

Specified by:

getMarkedForDeleteAt in interface IColumnContainer

getLocalDeletionTime

public int getLocalDeletionTime()

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)

getEstimatedColumnCount

public int getEstimatedColumnCount()

Specified by:

getEstimatedColumnCount in interface IIterableColumns

iterator

public java.util.Iterator<IColumn> iterator()

Specified by:

iterator in interface java.lang.Iterable<IColumn>

deepCopyColumn

public void deepCopyColumn(IColumn column)

Used to force copy an existing column

Parameters:

column - column to copy

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