bitronix.tm.utils
Class Scheduler<T>

java.lang.Object
  bitronix.tm.utils.Scheduler<T>

All Implemented Interfaces:

Iterable<T>

public class Scheduler<T>
extends Object
implements Iterable<T>

Positional object container. Objects can be added to a scheduler at a certain position (or priority) and can be retrieved later on in their position + added order. All the objects of a scheduler can be iterated in order or objects of a cetain position can be retrieved for iteration.

Author:

lorban

Field Summary

static Integer	ALWAYS_FIRST_POSITION
static Integer	ALWAYS_LAST_POSITION
static Integer	DEFAULT_POSITION

Constructor Summary

Scheduler()

Method Summary

void	add(T obj, Integer position)
List<T>	getByNaturalOrderForPosition(Integer position)
List<T>	getByReverseOrderForPosition(Integer position)
SortedSet<Integer>	getNaturalOrderPositions()
SortedSet<Integer>	getReverseOrderPositions()
Iterator<T>	iterator()
void	remove(T obj)
Iterator<T>	reverseIterator()
int	size()
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_POSITION

public static final Integer DEFAULT_POSITION

ALWAYS_FIRST_POSITION

public static final Integer ALWAYS_FIRST_POSITION

ALWAYS_LAST_POSITION

public static final Integer ALWAYS_LAST_POSITION

Constructor Detail

Scheduler

public Scheduler()

Method Detail

add

public void add(T obj,
                Integer position)

remove

public void remove(T obj)

getNaturalOrderPositions

public SortedSet<Integer> getNaturalOrderPositions()

getReverseOrderPositions

public SortedSet<Integer> getReverseOrderPositions()

getByNaturalOrderForPosition

public List<T> getByNaturalOrderForPosition(Integer position)

getByReverseOrderForPosition

public List<T> getByReverseOrderForPosition(Integer position)

size

public int size()

iterator

public Iterator<T> iterator()

Specified by:

iterator in interface Iterable<T>

reverseIterator

public Iterator<T> reverseIterator()

toString

public String toString()

Overrides:

toString in class Object