org.apache.mesos

Class Log.Position

java.lang.Object

org.apache.mesos.Log.Position

All Implemented Interfaces:

Comparable<Log.Position>

Enclosing class:

Log

public static class Log.Position
extends Object
implements Comparable<Log.Position>

An opaque identifier of a log entry's position within the log. Can be used to inidicate read ranges and truncation locations.

Constructor Summary

Constructors

Constructor and Description
Log.Position(long value) Creates a position identified by an integral value.

Method Summary

Methods

Modifier and Type	Method and Description
int	compareTo(Log.Position that)
boolean	equals(Object that)
byte[]	identity() Returns an "identity" of this position, useful for serializing to logs or across communication mediums.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

Log.Position

public Log.Position(long value)

Creates a position identified by an integral value.

Positions are typically only created by the log implementation. Log users should only ever need to call this constructor in unit tests.

Parameters:

value - The marker for this position in the log.

Method Detail

compareTo

public int compareTo(Log.Position that)

Specified by:

compareTo in interface Comparable<Log.Position>

equals

public boolean equals(Object that)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object

identity

public byte[] identity()

Returns an "identity" of this position, useful for serializing to logs or across communication mediums.

Returns:

The identity in bytes.