Package it.unimi.di.law.bubing.util

Class ByteArrayDiskQueues.QueueData

java.lang.Object

it.unimi.di.law.bubing.util.ByteArrayDiskQueues.QueueData

All Implemented Interfaces:

java.io.Serializable

Enclosing class:

ByteArrayDiskQueues

public static final class ByteArrayDiskQueues.QueueData
extends java.lang.Object
implements java.io.Serializable

Metadata associated with a queue.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
long	count	The number of elements in the list (always nonzero).
long	head	The pointer to the head of the list (the least recently enqueued, but not dequeued, element).
long	tail	The pointer to the tail of the list (the most recently enqueued element).
long	usage	The number of bytes used by the list.

Constructor Summary

Constructors

Constructor	Description
QueueData()

Method Summary

Methods inherited from class java.lang.Object

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

Field Detail

head

public long head

The pointer to the head of the list (the least recently enqueued, but not dequeued, element).

tail

public long tail

The pointer to the tail of the list (the most recently enqueued element).

count

public long count

The number of elements in the list (always nonzero).

usage

public long usage

The number of bytes used by the list.

Constructor Detail

QueueData

public QueueData()