bitronix.tm.utils
Class Scheduler

java.lang.Object
  bitronix.tm.utils.Scheduler

public class Scheduler

extends java.lang.Object

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.

© Bitronix Software

Author:

lorban

Field Summary

static int	ALWAYS_FIRST_POSITION
static java.lang.Object	ALWAYS_FIRST_POSITION_KEY
static int	ALWAYS_LAST_POSITION
static java.lang.Object	ALWAYS_LAST_POSITION_KEY
static int	DEFAULT_POSITION
static java.lang.Object	DEFAULT_POSITION_KEY

Constructor Summary

Scheduler()

Method Summary

void	add(java.lang.Object obj, int position)
java.util.List	getByNaturalOrderForPosition(java.lang.Object positionKey)
java.util.List	getByReverseOrderForPosition(java.lang.Object positionKey)
java.util.SortedSet	getNaturalOrderPositions()
java.util.SortedSet	getReverseOrderPositions()
java.util.Iterator	iterator()
void	remove(java.lang.Object obj)
java.util.Iterator	reverseIterator()
int	size()
java.lang.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 int DEFAULT_POSITION

See Also:

Constant Field Values

ALWAYS_FIRST_POSITION

public static final int ALWAYS_FIRST_POSITION

See Also:

Constant Field Values

ALWAYS_LAST_POSITION

public static final int ALWAYS_LAST_POSITION

See Also:

Constant Field Values

DEFAULT_POSITION_KEY

public static final java.lang.Object DEFAULT_POSITION_KEY

ALWAYS_FIRST_POSITION_KEY

public static final java.lang.Object ALWAYS_FIRST_POSITION_KEY

ALWAYS_LAST_POSITION_KEY

public static final java.lang.Object ALWAYS_LAST_POSITION_KEY

Constructor Detail

Scheduler

public Scheduler()

Method Detail

add

public void add(java.lang.Object obj,
                int position)

remove

public void remove(java.lang.Object obj)

getNaturalOrderPositions

public java.util.SortedSet getNaturalOrderPositions()

getReverseOrderPositions

public java.util.SortedSet getReverseOrderPositions()

getByNaturalOrderForPosition

public java.util.List getByNaturalOrderForPosition(java.lang.Object positionKey)

getByReverseOrderForPosition

public java.util.List getByReverseOrderForPosition(java.lang.Object positionKey)

size

public int size()

iterator

public java.util.Iterator iterator()

reverseIterator

public java.util.Iterator reverseIterator()

toString

public java.lang.String toString()