org.apache.cassandra.db.commitlog

Class CommitLogPosition

java.lang.Object

org.apache.cassandra.db.commitlog.CommitLogPosition

All Implemented Interfaces:

java.lang.Comparable<CommitLogPosition>

Direct Known Subclasses:

Memtable.LastCommitLogPosition

public class CommitLogPosition
extends java.lang.Object
implements java.lang.Comparable<CommitLogPosition>

Contains a segment id and a position for CommitLogSegment identification. Used for both replay and general CommitLog file reading.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	CommitLogPosition.CommitLogPositionSerializer

Field Summary

Fields

Modifier and Type	Field and Description
static java.util.Comparator<CommitLogPosition>	comparator
static CommitLogPosition	NONE
int	position
long	segmentId
static CommitLogPosition.CommitLogPositionSerializer	serializer

Constructor Summary

Constructors

Constructor and Description
CommitLogPosition(long segmentId, int position)

Method Summary

Modifier and Type	Method and Description
CommitLogPosition	clone()
int	compareTo(CommitLogPosition other)
boolean	equals(java.lang.Object o)
int	hashCode()
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

serializer

public static final CommitLogPosition.CommitLogPositionSerializer serializer

NONE

public static final CommitLogPosition NONE

segmentId

public final long segmentId

position

public final int position

comparator

public static final java.util.Comparator<CommitLogPosition> comparator

Constructor Detail

CommitLogPosition

public CommitLogPosition(long segmentId,
                         int position)

Method Detail

compareTo

public int compareTo(CommitLogPosition other)

Specified by:

compareTo in interface java.lang.Comparable<CommitLogPosition>

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

clone

public CommitLogPosition clone()

Overrides:

clone in class java.lang.Object