org.apache.cassandra.db
Class DeletionInfo

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

public class DeletionInfo
extends java.lang.Object

Nested Class Summary

static class

DeletionInfo.Serializer

Field Summary

static DeletionInfo

LIVE

Constructor Summary

DeletionInfo(java.nio.ByteBuffer start, java.nio.ByteBuffer end, java.util.Comparator<java.nio.ByteBuffer> comparator, long markedForDeleteAt, int localDeletionTime)

DeletionInfo(long markedForDeleteAt, int localDeletionTime)

DeletionInfo(RangeTombstone rangeTombstone, java.util.Comparator<java.nio.ByteBuffer> comparator)

Method Summary

DeletionInfo	add(DeletionInfo newInfo) Returns a new DeletionInfo containing of this plus the provided newInfo.
int	dataSize()
boolean	equals(java.lang.Object o)
DeletionTime	getTopLevelDeletion()
int	hashCode()
boolean	isDeleted(java.nio.ByteBuffer name, long timestamp)
boolean	isDeleted(IColumn column) Return whether a given column is deleted by the container having this deletion info.
boolean	isLive() Returns whether this DeletionInfo is live, that is deletes no columns.
long	maxTimestamp() The maximum timestamp mentioned by this DeletionInfo.
DeletionInfo	purge(int gcBefore) Return a new DeletionInfo correspond to purging every tombstones that are older than gcbefore.
java.util.Iterator<RangeTombstone>	rangeIterator()
static DeletionInfo.Serializer	serializer()
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

LIVE

public static final DeletionInfo LIVE

Constructor Detail

DeletionInfo

public DeletionInfo(long markedForDeleteAt,
                    int localDeletionTime)

DeletionInfo

public DeletionInfo(java.nio.ByteBuffer start,
                    java.nio.ByteBuffer end,
                    java.util.Comparator<java.nio.ByteBuffer> comparator,
                    long markedForDeleteAt,
                    int localDeletionTime)

DeletionInfo

public DeletionInfo(RangeTombstone rangeTombstone,
                    java.util.Comparator<java.nio.ByteBuffer> comparator)

Method Detail

serializer

public static DeletionInfo.Serializer serializer()

isLive

public boolean isLive()

Returns whether this DeletionInfo is live, that is deletes no columns.

isDeleted

public boolean isDeleted(IColumn column)

Return whether a given column is deleted by the container having this deletion info.

Parameters:

column - the column to check.

Returns:

true if the column is deleted, false otherwise

isDeleted

public boolean isDeleted(java.nio.ByteBuffer name,
                         long timestamp)

purge

public DeletionInfo purge(int gcBefore)

Return a new DeletionInfo correspond to purging every tombstones that are older than gcbefore.

Parameters:

gcBefore - timestamp (in seconds) before which tombstones should be purged

Returns:

a new DeletionInfo with the purged info remove. Should return DeletionInfo.LIVE if no tombstones remain.

add

public DeletionInfo add(DeletionInfo newInfo)

Returns a new DeletionInfo containing of this plus the provided newInfo.

maxTimestamp

public long maxTimestamp()

The maximum timestamp mentioned by this DeletionInfo.

getTopLevelDeletion

public DeletionTime getTopLevelDeletion()

rangeIterator

public java.util.Iterator<RangeTombstone> rangeIterator()

dataSize

public int dataSize()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

hashCode

public final int hashCode()

Overrides:

hashCode in class java.lang.Object