org.apache.commons.collections.primitives
Class IntCollections

java.lang.Object
  |
  +--org.apache.commons.collections.primitives.IntCollections

public final class IntCollections

extends Object

This class consists exclusively of static methods that operate on or return IntCollections.

The methods of this class all throw a NullPointerException if the provided collection is null.

Version:

$Revision: 1.2 $ $Date: 2003/10/27 23:21:14 $

Field Summary

static org.apache.commons.collections.primitives.IntIterator	EMPTY_INT_ITERATOR An unmodifiable, empty IntIterator
static org.apache.commons.collections.primitives.IntList	EMPTY_INT_LIST An unmodifiable, empty IntList
static org.apache.commons.collections.primitives.IntListIterator	EMPTY_INT_LIST_ITERATOR An unmodifiable, empty IntListIterator

Constructor Summary

IntCollections()

Method Summary

static org.apache.commons.collections.primitives.IntIterator	getEmptyIntIterator() Returns an unmodifiable, empty IntIterator
static org.apache.commons.collections.primitives.IntList	getEmptyIntList() Returns an unmodifiable, empty IntList.
static org.apache.commons.collections.primitives.IntListIterator	getEmptyIntListIterator() Returns an unmodifiable, empty IntListIterator
static org.apache.commons.collections.primitives.IntIterator	singletonIntIterator(int value) Returns an unmodifiable IntIterator containing only the specified element.
static org.apache.commons.collections.primitives.IntList	singletonIntList(int value) Returns an unmodifiable IntList containing only the specified element.
static org.apache.commons.collections.primitives.IntListIterator	singletonIntListIterator(int value) Returns an unmodifiable IntListIterator containing only the specified element.
static org.apache.commons.collections.primitives.IntIterator	unmodifiableIntIterator(org.apache.commons.collections.primitives.IntIterator iter) Returns an unmodifiable version of the given non-null IntIterator.
static org.apache.commons.collections.primitives.IntList	unmodifiableIntList(org.apache.commons.collections.primitives.IntList list) Returns an unmodifiable version of the given non-null IntList.
static org.apache.commons.collections.primitives.IntListIterator	unmodifiableIntListIterator(org.apache.commons.collections.primitives.IntListIterator iter) Returns an unmodifiable version of the given non-null IntListIterator.

Methods inherited from class java.lang.Object

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

Field Detail

EMPTY_INT_LIST

public static final org.apache.commons.collections.primitives.IntList EMPTY_INT_LIST

An unmodifiable, empty IntList

See Also:

getEmptyIntList()

EMPTY_INT_ITERATOR

public static final org.apache.commons.collections.primitives.IntIterator EMPTY_INT_ITERATOR

An unmodifiable, empty IntIterator

See Also:

getEmptyIntIterator()

EMPTY_INT_LIST_ITERATOR

public static final org.apache.commons.collections.primitives.IntListIterator EMPTY_INT_LIST_ITERATOR

An unmodifiable, empty IntListIterator

See Also:

getEmptyIntListIterator()

Constructor Detail

IntCollections

public IntCollections()

Method Detail

singletonIntList

public static org.apache.commons.collections.primitives.IntList singletonIntList(int value)

Returns an unmodifiable IntList containing only the specified element.

Parameters:

value - the single value

Returns:

an unmodifiable IntList containing only the specified element.

singletonIntIterator

public static org.apache.commons.collections.primitives.IntIterator singletonIntIterator(int value)

Returns an unmodifiable IntIterator containing only the specified element.

Parameters:

value - the single value

Returns:

an unmodifiable IntIterator containing only the specified element.

singletonIntListIterator

public static org.apache.commons.collections.primitives.IntListIterator singletonIntListIterator(int value)

Returns an unmodifiable IntListIterator containing only the specified element.

Parameters:

value - the single value

Returns:

an unmodifiable IntListIterator containing only the specified element.

unmodifiableIntList

public static org.apache.commons.collections.primitives.IntList unmodifiableIntList(org.apache.commons.collections.primitives.IntList list)
                                                                             throws NullPointerException

Returns an unmodifiable version of the given non-null IntList.

Parameters:

list - the non-null IntList to wrap in an unmodifiable decorator

Returns:

an unmodifiable version of the given non-null IntList

Throws:

NullPointerException - if the given IntList is null

See Also:

UnmodifiableIntList.wrap(org.apache.commons.collections.primitives.IntList)

unmodifiableIntIterator

public static org.apache.commons.collections.primitives.IntIterator unmodifiableIntIterator(org.apache.commons.collections.primitives.IntIterator iter)

Returns an unmodifiable version of the given non-null IntIterator.

Parameters:

iter - the non-null IntIterator to wrap in an unmodifiable decorator

Returns:

an unmodifiable version of the given non-null IntIterator

Throws:

NullPointerException - if the given IntIterator is null

See Also:

UnmodifiableIntIterator.wrap(org.apache.commons.collections.primitives.IntIterator)

unmodifiableIntListIterator

public static org.apache.commons.collections.primitives.IntListIterator unmodifiableIntListIterator(org.apache.commons.collections.primitives.IntListIterator iter)

Returns an unmodifiable version of the given non-null IntListIterator.

Parameters:

iter - the non-null IntListIterator to wrap in an unmodifiable decorator

Returns:

an unmodifiable version of the given non-null IntListIterator

Throws:

NullPointerException - if the given IntListIterator is null

See Also:

UnmodifiableIntListIterator.wrap(org.apache.commons.collections.primitives.IntListIterator)

getEmptyIntList

public static org.apache.commons.collections.primitives.IntList getEmptyIntList()

Returns an unmodifiable, empty IntList.

Returns:

an unmodifiable, empty IntList.

See Also:

EMPTY_INT_LIST

getEmptyIntIterator

public static org.apache.commons.collections.primitives.IntIterator getEmptyIntIterator()

Returns an unmodifiable, empty IntIterator

Returns:

an unmodifiable, empty IntIterator.

See Also:

EMPTY_INT_ITERATOR

getEmptyIntListIterator

public static org.apache.commons.collections.primitives.IntListIterator getEmptyIntListIterator()

Returns an unmodifiable, empty IntListIterator

Returns:

an unmodifiable, empty IntListIterator.

See Also:

EMPTY_INT_LIST_ITERATOR