org.simpleods

Class ObjectQueue

java.lang.Object

org.simpleods.ObjectQueue

public class ObjectQueue
extends java.lang.Object

Author:

Martin Schulz
Copyright 2008-2013 Martin Schulz
This file ObjectQueue.java is part of SimpleODS.

Constructor Summary

Constructors

Constructor and Description
ObjectQueue()

Method Summary

Methods

Modifier and Type	Method and Description
boolean	add(java.lang.Object o) Appends the specified element to the end of this list.
java.lang.Object	get(int n) Get the object at position n.
void	printAll() Print all objects in this ObjectQueue to System.out.
boolean	setAt(int n, java.lang.Object o) Set an object at position n.
int	size()

Methods inherited from class java.lang.Object

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

Constructor Detail

ObjectQueue

public ObjectQueue()

Method Detail

add

public boolean add(java.lang.Object o)

Appends the specified element to the end of this list.

Parameters:

o - element to be appended to this list

Returns:

true

setAt

public boolean setAt(int n,
            java.lang.Object o)

Set an object at position n.
If n is > the number of current elements, 'null' elements are added to fill up the list.
If n is inside the current number of element, the element at position n is replaced.
No Exception is thrown when n is out of range.

Parameters:

n - index of the element to replace.

o - element to be stored at the specified position.

Returns:

true - object was set,
false - n is invalid, object not set

get

public java.lang.Object get(int n)

Get the object at position n.
Return null if n is outside of the list.

Parameters:

n - The position of the object to be returned.

Returns:

The object at position n

size

public int size()

Returns:

The number of object in this ObjectQueue

printAll

public void printAll()

Print all objects in this ObjectQueue to System.out.