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>, IColumnContainer, IIterableColumns

public class ColumnFamily
extends AbstractColumnContainer

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.cassandra.db.AbstractColumnContainer

AbstractColumnContainer.DeletionInfo

Field Summary

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

columns, deletionInfo

Method Summary

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.Integer cfId)
static ColumnFamily	create(java.lang.Integer cfId, ISortedColumns.Factory factory)
static ColumnFamily	create(java.lang.String tableName, java.lang.String cfName)
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() FIXME: shouldn't need to hold a reference to a serializer; worse, for super cfs, it will be a _unique_ serializer object per row
static AbstractType	getComparatorFor(java.lang.String table, java.lang.String columnFamilyName, java.nio.ByteBuffer superColumnName)
AbstractType	getSubComparator()
ColumnFamilyType	getType()
int	hashCode()
java.lang.Integer	id()
boolean	isSuper()
long	maxTimestamp()
CFMetaData	metadata()
void	resolve(ColumnFamily cf)
void	resolve(ColumnFamily cf, Allocator allocator)
long	serializedSize()
long	serializedSizeForSSTable()
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 org.apache.cassandra.db.AbstractColumnContainer

addAll, addColumn, addColumn, delete, delete, getColumn, getColumnCount, getColumnNames, getComparator, getEstimatedColumnCount, getLiveColumnCount, getLocalDeletionTime, getMarkedForDeleteAt, getReverseSortedColumns, getSortedColumns, hasExpiredTombstones, isEmpty, isMarkedForDelete, iterator, maybeResetDeletionTimes, remove, replace, retainAll

Methods inherited from class java.lang.Object

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

Method Detail

serializer

public static ColumnFamilySerializer serializer()

create

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

create

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

metadata

public CFMetaData metadata()

Returns:

The CFMetaData for this row

getColumnSerializer

public IColumnSerializer getColumnSerializer()

FIXME: shouldn't need to hold a reference to a serializer; worse, for super cfs, it will be a _unique_ serializer object per row

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)

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)

clear

public void clear()

diff

public ColumnFamily diff(ColumnFamily cfComposite)

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)

serializedSize

public long serializedSize()

serializedSizeForSSTable

public long serializedSizeForSSTable()

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