org.apache.cassandra.db

Class DeletionInfo

java.lang.Object

org.apache.cassandra.db.DeletionInfo

public class DeletionInfo
extends java.lang.Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	DeletionInfo.InOrderTester This object allow testing whether a given column (name/timestamp) is deleted or not by this DeletionInfo, assuming that the column given to this object are passed in forward or reversed comparator sorted order.
static class	DeletionInfo.Serializer

Constructor Summary

Constructors

Constructor and Description
DeletionInfo(java.nio.ByteBuffer start, java.nio.ByteBuffer end, java.util.Comparator<java.nio.ByteBuffer> comparator, long markedForDeleteAt, int localDeletionTime)
DeletionInfo(DeletionTime topLevel)
DeletionInfo(long markedForDeleteAt, int localDeletionTime)
DeletionInfo(RangeTombstone rangeTombstone, java.util.Comparator<java.nio.ByteBuffer> comparator)

Method Summary

Methods

Modifier and Type	Method and Description
DeletionInfo	add(DeletionInfo newInfo) Adds the provided deletion infos to the current ones.
void	add(DeletionTime newInfo)
void	add(RangeTombstone tombstone, java.util.Comparator<java.nio.ByteBuffer> comparator)
DeletionInfo	copy()
int	dataSize()
boolean	equals(java.lang.Object o)
DeletionTime	getTopLevelDeletion()
int	hashCode()
boolean	hasIrrelevantData(int gcBefore)
boolean	hasRanges()
DeletionInfo.InOrderTester	inOrderTester(boolean reversed) Returns a new DeletionInfo.InOrderTester given the order in which columns will be passed to it.
boolean	isDeleted(java.nio.ByteBuffer name, long timestamp)
boolean	isDeleted(Column 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.
static DeletionInfo	live()
long	maxTimestamp() The maximum timestamp mentioned by this DeletionInfo.
long	minTimestamp()
void	purge(int gcBefore) Purge every tombstones that are older than gcbefore.
DeletionTime	rangeCovering(java.nio.ByteBuffer name)
java.util.Iterator<RangeTombstone>	rangeIterator()
static DeletionInfo.Serializer	serializer()
java.lang.String	toString()
void	updateAllTimestamp(long timestamp)

Methods inherited from class java.lang.Object

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

Constructor Detail

DeletionInfo

public DeletionInfo(long markedForDeleteAt,
            int localDeletionTime)

DeletionInfo

public DeletionInfo(DeletionTime topLevel)

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

live

public static DeletionInfo live()

serializer

public static DeletionInfo.Serializer serializer()

copy

public DeletionInfo copy()

isLive

public boolean isLive()

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

isDeleted

public boolean isDeleted(Column 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)

inOrderTester

public DeletionInfo.InOrderTester inOrderTester(boolean reversed)

Returns a new DeletionInfo.InOrderTester given the order in which columns will be passed to it.

purge

public void purge(int gcBefore)

Purge every tombstones that are older than gcbefore.

Parameters:

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

hasIrrelevantData

public boolean hasIrrelevantData(int gcBefore)

add

public void add(DeletionTime newInfo)

add

public void add(RangeTombstone tombstone,
       java.util.Comparator<java.nio.ByteBuffer> comparator)

add

public DeletionInfo add(DeletionInfo newInfo)

Adds the provided deletion infos to the current ones.

Returns:

this object.

minTimestamp

public long minTimestamp()

maxTimestamp

public long maxTimestamp()

The maximum timestamp mentioned by this DeletionInfo.

getTopLevelDeletion

public DeletionTime getTopLevelDeletion()

rangeIterator

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

rangeCovering

public DeletionTime rangeCovering(java.nio.ByteBuffer name)

dataSize

public int dataSize()

hasRanges

public boolean hasRanges()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

updateAllTimestamp

public void updateAllTimestamp(long timestamp)

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