com.deltax.util
Class FIFOQueue

java.lang.Object
  com.deltax.util.FIFOQueue

public class FIFOQueue

extends java.lang.Object

A simple FIFO queue.

Version:

1.2

Author:

Cris Sadun

Constructor Summary

FIFOQueue()
Create an empty queue

Method Summary

void	clear() Clear the queue
java.lang.Object	get() Return the queue head
boolean	getBoolean() Return the queue head, as a boolean
byte	getByte() Return the queue head, as a byte
char	getChar() Return the queue head, as a char
double	getDouble() Return the queue head, as a double
float	getFloat() Return the queue head, as a float
int	getInteger() Return the queue head, as a int
long	getLong() Return the queue head, as a long
java.lang.String	getString() Return the queue head, as a String
boolean	isEmpty() Return true if the queue is empty.
java.lang.Object	peek()
java.lang.Object	peek(int i)
void	put(boolean x) Insert a boolean in the queue
void	put(byte x) Insert a byte in the queue
void	put(char x) Insert a char in the queue
void	put(double x) Insert a double in the queue
void	put(float x) Insert a float in the queue
void	put(int x) Insert an integer in the queue
void	put(long x) Insert a long in the queue
void	put(java.lang.Object obj) Insert an Object in the queue
int	size() Return the size of the queue

Methods inherited from class java.lang.Object

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

Constructor Detail

FIFOQueue

public FIFOQueue()

Create an empty queue

Method Detail

clear

public void clear()

Clear the queue

get

public java.lang.Object get()
                     throws QueueEmptyException

Return the queue head

Returns:

the queue head

Throws:

QueueEmptyException - if the queue is empty

peek

public java.lang.Object peek(int i)

peek

public java.lang.Object peek()

getByte

public byte getByte()
             throws QueueEmptyException

Return the queue head, as a byte

Returns:

the queue head

Throws:

QueueEmptyException - if the queue is empty

java.lang.ClassCastException - if the queue head is not a Byte object

getChar

public char getChar()
             throws QueueEmptyException

Return the queue head, as a char

Returns:

the queue head

Throws:

QueueEmptyException - if the queue is empty

java.lang.ClassCastException - if the queue head is not a Character object

getDouble

public double getDouble()
                 throws QueueEmptyException

Return the queue head, as a double

Returns:

the queue head

Throws:

QueueEmptyException - if the queue is empty

java.lang.ClassCastException - if the queue head is not a Double object

getFloat

public float getFloat()
               throws QueueEmptyException

Return the queue head, as a float

Returns:

the queue head

Throws:

QueueEmptyException - if the queue is empty

java.lang.ClassCastException - if the queue head is not a Float object

getInteger

public int getInteger()
               throws QueueEmptyException

Return the queue head, as a int

Returns:

the queue head

Throws:

QueueEmptyException - if the queue is empty

java.lang.ClassCastException - if the queue head is not an Integer object

getLong

public long getLong()
             throws QueueEmptyException

Return the queue head, as a long

Returns:

the queue head

Throws:

QueueEmptyException - if the queue is empty

java.lang.ClassCastException - if the queue head is not a Long object

getString

public java.lang.String getString()
                           throws QueueEmptyException

Return the queue head, as a String

Returns:

the queue head

Throws:

QueueEmptyException - if the queue is empty

java.lang.ClassCastException - if the queue head is not a String object

getBoolean

public boolean getBoolean()
                   throws QueueEmptyException

Return the queue head, as a boolean

Returns:

the queue head

Throws:

QueueEmptyException - if the queue is empty

java.lang.ClassCastException - if the queue head is not a Boolean object

isEmpty

public boolean isEmpty()

Return true if the queue is empty.

Returns:

true if the queue is empty

size

public int size()

Return the size of the queue

put

public void put(byte x)

Insert a byte in the queue

Parameters:

x - the element to be inserted

put

public void put(char x)

Insert a char in the queue

Parameters:

x - the element to be inserted

put

public void put(double x)

Insert a double in the queue

Parameters:

x - the element to be inserted

put

public void put(float x)

Insert a float in the queue

Parameters:

x - the element to be inserted

put

public void put(int x)

Insert an integer in the queue

Parameters:

x - the element to be inserted

put

public void put(long x)

Insert a long in the queue

Parameters:

x - the element to be inserted

put

public void put(boolean x)

Insert a boolean in the queue

Parameters:

x - the element to be inserted

put

public void put(java.lang.Object obj)

Insert an Object in the queue

Parameters:

obj - the object to be inserted