org.apache.cassandra.db

Class NativeCounterCell

java.lang.Object

org.apache.cassandra.db.AbstractCell

org.apache.cassandra.db.AbstractNativeCell

org.apache.cassandra.db.NativeCell

org.apache.cassandra.db.NativeCounterCell

All Implemented Interfaces:

IMeasurableMemory, Cell, CellName, Composite, CounterCell, OnDiskAtom

public class NativeCounterCell
extends NativeCell
implements CounterCell

Nested Class Summary

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

OnDiskAtom.Serializer, OnDiskAtom.SerializerForWriting

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

Composite.EOC

Field Summary

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

contextManager

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

MAX_NAME_LENGTH

Constructor Summary

Constructors

Constructor and Description
NativeCounterCell(NativeAllocator allocator, OpOrder.Group writeOp, CounterCell copyOf)

Method Summary

Modifier and Type	Method and Description
int	cellDataSize()
protected void	construct(Cell from)
Cell	diff(Cell cell)
boolean	equals(Cell cell)
java.lang.String	getString(CellNameType comparator)
boolean	hasLegacyShards()
CounterCell	localCopy(CFMetaData metadata, AbstractAllocator allocator)
CounterCell	localCopy(CFMetaData metadata, MemtableAllocator allocator, OpOrder.Group opGroup)
Cell	markLocalToBeCleared()
protected int	postfixSize()
Cell	reconcile(Cell cell)
int	serializationFlags()
int	serializedSize(CellNameType type, TypeSizes typeSizes)
protected int	sizeOf(Cell cell)
long	timestampOfLastDelete()
long	total()
long	unsharedHeapSize()
long	unsharedHeapSizeExcludingData()
void	updateDigest(java.security.MessageDigest digest)
void	validateFields(CFMetaData metadata)

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

name, timestamp

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

clusteringSize, collectionElement, compareTo, compareToSimple, copy, cql3ColumnName, dataSize, end, eoc, equals, equals, get, getByte, getByteBuffer, getBytes, getInt, getLong, getShort, internalSize, isCollectionCell, isEmpty, isPrefixOf, isSameCQL3RowAs, isStatic, maxTimestamp, minTimestamp, setByte, setBytes, setInt, setLong, setShort, size, slice, start, toByteBuffer, updateWithName, updateWithValue, value, withEOC, withUpdatedName, withUpdatedTimestamp, writeComponentTo, writeMemoryTo

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

create, diffCounter, getLocalDeletionTime, hashCode, isLive, isLive, onDiskIterator, reconcileCounter, validateName

Methods inherited from class java.lang.Object

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

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

isLive, isLive, name, value, withUpdatedName, withUpdatedTimestamp

Methods inherited from interface org.apache.cassandra.db.OnDiskAtom

getLocalDeletionTime, timestamp

Constructor Detail

NativeCounterCell

public NativeCounterCell(NativeAllocator allocator,
                         OpOrder.Group writeOp,
                         CounterCell copyOf)

Method Detail

construct

protected void construct(Cell from)

Overrides:

construct in class AbstractNativeCell

postfixSize

protected int postfixSize()

Overrides:

postfixSize in class AbstractNativeCell

sizeOf

protected int sizeOf(Cell cell)

Overrides:

sizeOf in class AbstractNativeCell

timestampOfLastDelete

public long timestampOfLastDelete()

Specified by:

timestampOfLastDelete in interface CounterCell

total

public long total()

Specified by:

total in interface CounterCell

hasLegacyShards

public boolean hasLegacyShards()

Specified by:

hasLegacyShards in interface CounterCell

markLocalToBeCleared

public Cell markLocalToBeCleared()

Specified by:

markLocalToBeCleared in interface CounterCell

diff

public Cell diff(Cell cell)

Specified by:

diff in interface Cell

Overrides:

diff in class AbstractCell

reconcile

public Cell reconcile(Cell cell)

Specified by:

reconcile in interface Cell

Overrides:

reconcile in class AbstractCell

serializationFlags

public int serializationFlags()

Specified by:

serializationFlags in interface Cell

Overrides:

serializationFlags in class AbstractCell

cellDataSize

public int cellDataSize()

Specified by:

cellDataSize in interface Cell

Overrides:

cellDataSize in class AbstractCell

serializedSize

public int serializedSize(CellNameType type,
                          TypeSizes typeSizes)

Specified by:

serializedSize in interface Cell

Overrides:

serializedSize in class AbstractCell

validateFields

public void validateFields(CFMetaData metadata)
                    throws MarshalException

Specified by:

validateFields in interface OnDiskAtom

Overrides:

validateFields in class AbstractCell

Throws:

MarshalException

updateDigest

public void updateDigest(java.security.MessageDigest digest)

Specified by:

updateDigest in interface OnDiskAtom

Overrides:

updateDigest in class NativeCell

getString

public java.lang.String getString(CellNameType comparator)

Specified by:

getString in interface Cell

Overrides:

getString in class AbstractCell

localCopy

public CounterCell localCopy(CFMetaData metadata,
                             AbstractAllocator allocator)

Specified by:

localCopy in interface Cell

Specified by:

localCopy in interface CounterCell

Overrides:

localCopy in class NativeCell

localCopy

public CounterCell localCopy(CFMetaData metadata,
                             MemtableAllocator allocator,
                             OpOrder.Group opGroup)

Specified by:

localCopy in interface Cell

Specified by:

localCopy in interface CounterCell

Overrides:

localCopy in class NativeCell

unsharedHeapSizeExcludingData

public long unsharedHeapSizeExcludingData()

Specified by:

unsharedHeapSizeExcludingData in interface Cell

Specified by:

unsharedHeapSizeExcludingData in interface CellName

Overrides:

unsharedHeapSizeExcludingData in class NativeCell

unsharedHeapSize

public long unsharedHeapSize()

Specified by:

unsharedHeapSize in interface IMeasurableMemory

Overrides:

unsharedHeapSize in class NativeCell

Returns:

the amount of on-heap memory retained by the object that might be reclaimed if the object were reclaimed, i.e. it should try to exclude globally cached data where possible, or counting portions of arrays that are referenced by the object but used by other objects only (e.g. slabbed byte-buffers), etc.

equals

public boolean equals(Cell cell)

Overrides:

equals in class AbstractCell