com.helger.collection.iterate

Class ArrayEnumeration<ELEMENTTYPE>

java.lang.Object

com.helger.collection.iterate.ArrayEnumeration<ELEMENTTYPE>

Type Parameters:

ELEMENTTYPE - Type of object to iterate.

All Implemented Interfaces:

Enumeration<ELEMENTTYPE>

@NotThreadSafe
public class ArrayEnumeration<ELEMENTTYPE>
extends Object
implements Enumeration<ELEMENTTYPE>

This is a small helper class implementing Enumeration for array input data.

Author:

Philip Helger

Constructor Summary

Constructors

Constructor and Description
ArrayEnumeration(ELEMENTTYPE... aArray) Constructor iterating over the whole array
ArrayEnumeration(ELEMENTTYPE[] aArray, int nStartIndex, int nLength) Constructor iterating an array partially.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object o)
protected ELEMENTTYPE	get(int nIndex)
protected int	getCount()
protected int	getIndex()
int	hashCode()
boolean	hasMoreElements()
ELEMENTTYPE	nextElement()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

ArrayEnumeration

@SafeVarargs
public ArrayEnumeration(@Nonnull
                                      ELEMENTTYPE... aArray)

Constructor iterating over the whole array

Parameters:

aArray - The array to enumerate. May not be null.

ArrayEnumeration

public ArrayEnumeration(@Nonnull
                        ELEMENTTYPE[] aArray,
                        @Nonnegative
                        int nStartIndex,
                        @Nonnegative
                        int nLength)

Constructor iterating an array partially.

Parameters:

aArray - The array to be enumerated. May not be null.

nStartIndex - The index of the first element to be enumerated.

nLength - The maximum number of elements to be iterated.

Method Detail

getIndex

@Nonnegative
protected final int getIndex()

get

@Nullable
protected final ELEMENTTYPE get(@Nonnegative
                                           int nIndex)

getCount

@Nonnegative
protected final int getCount()

hasMoreElements

public boolean hasMoreElements()

Specified by:

hasMoreElements in interface Enumeration<ELEMENTTYPE>

nextElement

@Nullable
public ELEMENTTYPE nextElement()

Specified by:

nextElement in interface Enumeration<ELEMENTTYPE>

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object