FastFiFo (JDFLibJ 2.1.8.3 API)

java.lang.Object
- org.cip4.jdflib.util.FastFiFo<x>

Type Parameters:

x - the element class to dump into the fifo
```
public class FastFiFo<x>
extends java.lang.Object
```

Constructor Summary

Constructors
Constructor Description

FastFiFo(int n)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`getFill()`
`x`	`peek(int i)`	peeks into the fifo from the beginning
`x[]`	`peekArray()`	peeks into the fifo from the beginning
`x`	`pop()`	pops the first to go
`x`	`push(x back)`	pushes an element into the back and returns the previous content of the cell
`int`	`size()`
`java.lang.String`	`toString()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - FastFiFo
```
public FastFiFo(int n)
```
    Parameters:
    
    n - size of the fifo
- Method Detail
  - push
```
public x push(x back)
```
    pushes an element into the back and returns the previous content of the cell
    
    Parameters:
    
    back - the element to push
    
    Returns:
    
    the element that has been replaced, null if we are not yet full
  - pop
```
public x pop()
```
    pops the first to go
    
    Returns:
    
    the first element, null if empty
  - peek
```
public x peek(int i)
```
    peeks into the fifo from the beginning
    
    Parameters:
    
    i - the index of the element to peek
    
    Returns:
    
    the object at position i
  - peekArray
```
public x[] peekArray()
```
    peeks into the fifo from the beginning
    
    Returns:
    
    a snapshot of the current fifo, null if empty
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object
    
    See Also:
    
    Object.toString()
  - getFill
```
public int getFill()
```
    Returns:
    
    the current number of elements
  - size
```
public int size()
```
    Returns:
    
    the maximum total number of elements