org.apache.cassandra.db

Class CounterCell

java.lang.Object

org.apache.cassandra.db.Cell

org.apache.cassandra.db.CounterCell

All Implemented Interfaces:

OnDiskAtom

public class CounterCell
extends Cell

A column that represents a partitioned counter.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.cassandra.db.OnDiskAtom

OnDiskAtom.Serializer

Field Summary

Fields

Modifier and Type	Field and Description
protected static CounterContext	contextManager

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

MAX_NAME_LENGTH, name, timestamp, value

Constructor Summary

Constructors

Constructor and Description
CounterCell(CellName name, java.nio.ByteBuffer value, long timestamp)
CounterCell(CellName name, java.nio.ByteBuffer value, long timestamp, long timestampOfLastDelete)

Method Summary

Methods

Modifier and Type	Method and Description
static CounterCell	create(CellName name, java.nio.ByteBuffer value, long timestamp, long timestampOfLastDelete, ColumnSerializer.Flag flag)
static CounterCell	createLocal(CellName name, long value, long timestamp, long timestampOfLastDelete)
int	dataSize()
Cell	diff(Cell cell)
boolean	equals(java.lang.Object o)
java.lang.String	getString(CellNameType comparator)
int	hashCode()
Cell	localCopy(ColumnFamilyStore cfs, AbstractAllocator allocator)
Cell	markLocalToBeCleared()
Cell	reconcile(Cell cell, AbstractAllocator allocator)
int	serializationFlags()
int	serializedSize(CellNameType type, TypeSizes typeSizes)
long	timestampOfLastDelete()
long	total()
void	updateDigest(java.security.MessageDigest digest)
void	validateFields(CFMetaData metadata)
Cell	withUpdatedName(CellName newName)

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

create, excessHeapSizeExcludingData, getLocalDeletionTime, getMarkedForDeleteAt, hasIrrelevantData, isLive, isMarkedForDelete, maxTimestamp, minTimestamp, name, onDiskIterator, reconcile, timestamp, validateName, value, withUpdatedTimestamp

Methods inherited from class java.lang.Object

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

Field Detail

contextManager

protected static final CounterContext contextManager

Constructor Detail

CounterCell

public CounterCell(CellName name,
           java.nio.ByteBuffer value,
           long timestamp)

CounterCell

public CounterCell(CellName name,
           java.nio.ByteBuffer value,
           long timestamp,
           long timestampOfLastDelete)

Method Detail

create

public static CounterCell create(CellName name,
                 java.nio.ByteBuffer value,
                 long timestamp,
                 long timestampOfLastDelete,
                 ColumnSerializer.Flag flag)

createLocal

public static CounterCell createLocal(CellName name,
                      long value,
                      long timestamp,
                      long timestampOfLastDelete)

withUpdatedName

public Cell withUpdatedName(CellName newName)

Overrides:

withUpdatedName in class Cell

timestampOfLastDelete

public long timestampOfLastDelete()

total

public long total()

dataSize

public int dataSize()

Overrides:

dataSize in class Cell

serializedSize

public int serializedSize(CellNameType type,
                 TypeSizes typeSizes)

Overrides:

serializedSize in class Cell

diff

public Cell diff(Cell cell)

Overrides:

diff in class Cell

updateDigest

public void updateDigest(java.security.MessageDigest digest)

Specified by:

updateDigest in interface OnDiskAtom

Overrides:

updateDigest in class Cell

reconcile

public Cell reconcile(Cell cell,
             AbstractAllocator allocator)

Overrides:

reconcile in class Cell

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class Cell

hashCode

public int hashCode()

Overrides:

hashCode in class Cell

localCopy

public Cell localCopy(ColumnFamilyStore cfs,
             AbstractAllocator allocator)

Overrides:

localCopy in class Cell

getString

public java.lang.String getString(CellNameType comparator)

Overrides:

getString in class Cell

serializationFlags

public int serializationFlags()

Overrides:

serializationFlags in class Cell

validateFields

public void validateFields(CFMetaData metadata)
                    throws MarshalException

Specified by:

validateFields in interface OnDiskAtom

Overrides:

validateFields in class Cell

Throws:

MarshalException

markLocalToBeCleared

public Cell markLocalToBeCleared()