org.apache.mesos

Class Log.Position

java.lang.Object

org.apache.mesos.Log.Position

All Implemented Interfaces:

java.lang.Comparable<Log.Position>

Enclosing class:

Log

public static class Log.Position
extends java.lang.Object
implements java.lang.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
Position(long value) Creates a position identified by an integral value.

Method Summary

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

Methods inherited from class java.lang.Object

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

Constructor Detail

Position

public 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 java.lang.Comparable<Log.Position>

equals

public boolean equals(java.lang.Object that)

Overrides:

equals in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.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.