Class PRIOQueue<E>

java.lang.Object

java.util.AbstractCollection

java.util.AbstractList

java.util.ArrayList

jmt.jmch.animation.customQueue.PRIOQueue<E>

All Implemented Interfaces:

Serializable, Cloneable, Iterable, Collection, List, RandomAccess, SequencedCollection, CustomCollection

public class PRIOQueue<E>
extends ArrayList
implements CustomCollection

ArrayList that implements the CustomCollection interface, to act as a Priority Queue. This queue needs a Comparator when instantiated, so all the queues that are not LIFO or FIFO can be implemented with this class.

Author:

Lorenzo Torri Date: 25-mar-2024 Time: 13.20

See Also:

• Serialized Form

Field Summary

Fields inherited from class AbstractList

modCount

Constructor Summary

Constructors

Constructor	Description
PRIOQueue(Comparator<? super E> comp)

Method Summary

Modifier and Type	Method	Description
boolean	addNew(Object o)	Add a new element to the Collection, how to add and where to add it, it will be handled by the classes that implements this interface
Object	first()	Retrieve the first element of the Collection
boolean	removeHead()	Remove the head of the Collection
boolean	removeObject(Object e)	Remove the Object o from the list.

Methods inherited from class ArrayList

add, add, addAll, addAll, addFirst, addLast, clear, clone, contains, ensureCapacity, equals, forEach, get, getFirst, getLast, hashCode, indexOf, isEmpty, iterator, lastIndexOf, listIterator, listIterator, remove, remove, removeAll, removeFirst, removeIf, removeLast, removeRange, replaceAll, retainAll, set, size, sort, spliterator, subList, toArray, toArray, trimToSize

Methods inherited from class AbstractCollection

containsAll, toString

Methods inherited from class Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface Collection

parallelStream, stream, toArray

Methods inherited from interface CustomCollection

iterator, size

Methods inherited from interface Iterable

forEach

Methods inherited from interface List

containsAll, reversed

Constructor Details

PRIOQueue

public PRIOQueue(Comparator<? super E> comp)

Method Details

addNew

public boolean addNew(Object o)

Description copied from interface: CustomCollection

Add a new element to the Collection, how to add and where to add it, it will be handled by the classes that implements this interface

Specified by:

addNew in interface CustomCollection<E>

Parameters:

o - Object to add

Returns:

true if the adding was successful

removeHead

public boolean removeHead()

Description copied from interface: CustomCollection

Remove the head of the Collection

Specified by:

removeHead in interface CustomCollection<E>

Returns:

true if the head is removed correctly

first

public Object first()

Description copied from interface: CustomCollection

Retrieve the first element of the Collection

Specified by:

first in interface CustomCollection<E>

Returns:

the first element of the Collection, null otherwise

removeObject

public boolean removeObject(Object e)

Description copied from interface: CustomCollection

Remove the Object o from the list. Used for specific cases like BoxStation in PS that has to remove the job from the queue

Specified by:

removeObject in interface CustomCollection<E>

Parameters:

e - the object

Returns:

true if it has removed the object correctly