org.eclipse.ocl.examples.eventmanager.util

Class BagImpl<E>

java.lang.Object

java.util.AbstractCollection<E>

org.eclipse.ocl.examples.eventmanager.util.BagImpl<E>

All Implemented Interfaces:

java.lang.Iterable<E>, java.util.Collection<E>, Bag<E>

public class BagImpl<E>
extends java.util.AbstractCollection<E>
implements Bag<E>

Default implementation of the Bag interface.

Author:

Christian W. Damus (cdamus), Axel Uhl

Field Summary

Fields

Modifier and Type	Field and Description
static Bag<?>	EMPTY_BAG

Constructor Summary

Constructors

Constructor and Description
BagImpl()
BagImpl(java.util.Collection<? extends E> c)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	add(E o)
void	clear()
boolean	contains(java.lang.Object o)
int	count(java.lang.Object o) Queries how many times the specified object occurs in me.
static <E> Bag<E>	emptyBag()
boolean	equals(java.lang.Object o) Returns true iff this bag and the argument bag have the same number of the same elements.
int	hashCode()
java.util.Iterator<E>	iterator()
boolean	remove(java.lang.Object o) removes every occurrence of the object from the collection
int	size()
java.lang.String	toString()

Methods inherited from class java.util.AbstractCollection

addAll, containsAll, isEmpty, removeAll, retainAll, toArray, toArray

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Collection

addAll, containsAll, isEmpty, removeAll, retainAll, toArray, toArray

Field Detail

EMPTY_BAG

public static Bag<?> EMPTY_BAG

Constructor Detail

BagImpl

public BagImpl()

BagImpl

public BagImpl(java.util.Collection<? extends E> c)

Method Detail

emptyBag

public static <E> Bag<E> emptyBag()

remove

public boolean remove(java.lang.Object o)

removes every occurrence of the object from the collection

Specified by:

remove in interface java.util.Collection<E>

Overrides:

remove in class java.util.AbstractCollection<E>

add

public boolean add(E o)

Specified by:

add in interface java.util.Collection<E>

Overrides:

add in class java.util.AbstractCollection<E>

contains

public boolean contains(java.lang.Object o)

Specified by:

contains in interface java.util.Collection<E>

Overrides:

contains in class java.util.AbstractCollection<E>

count

public int count(java.lang.Object o)

Description copied from interface: Bag

Queries how many times the specified object occurs in me. If I do not contain the object, then the count is zero.

Specified by:

count in interface Bag<E>

Parameters:

o - an object

Returns:

the number of times that it occurs in me

size

public int size()

Specified by:

size in interface java.util.Collection<E>

Specified by:

size in class java.util.AbstractCollection<E>

clear

public void clear()

Specified by:

clear in interface java.util.Collection<E>

Overrides:

clear in class java.util.AbstractCollection<E>

equals

public boolean equals(java.lang.Object o)

Returns true iff this bag and the argument bag have the same number of the same elements.

Specified by:

equals in interface java.util.Collection<E>

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Specified by:

hashCode in interface java.util.Collection<E>

Overrides:

hashCode in class java.lang.Object

iterator

public java.util.Iterator<E> iterator()

Specified by:

iterator in interface java.lang.Iterable<E>

Specified by:

iterator in interface java.util.Collection<E>

Specified by:

iterator in class java.util.AbstractCollection<E>

toString

public java.lang.String toString()

Overrides:

toString in class java.util.AbstractCollection<E>