org.eclipse.ocl.examples.eventmanager.util

Class EmptyBag<E>

java.lang.Object

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

All Implemented Interfaces:

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

public class EmptyBag<E>
extends java.lang.Object
implements Bag<E>

Constructor Summary

Constructors

Constructor and Description
EmptyBag()

Method Summary

Modifier and Type	Method and Description
boolean	add(E o)
boolean	addAll(java.util.Collection<? extends E> c)
void	clear()
boolean	contains(java.lang.Object o)
boolean	containsAll(java.util.Collection<?> c)
int	count(java.lang.Object o) Queries how many times the specified object occurs in me.
boolean	isEmpty()
java.util.Iterator<E>	iterator()
boolean	remove(java.lang.Object o)
boolean	removeAll(java.util.Collection<?> c)
boolean	retainAll(java.util.Collection<?> c)
int	size()
java.lang.Object[]	toArray()
<T> T[]	toArray(T[] a)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Collection

equals, hashCode, parallelStream, removeIf, spliterator, stream

Methods inherited from interface java.lang.Iterable

forEach

Constructor Detail

EmptyBag

public EmptyBag()

Method Detail

size

public int size()

Specified by:

size in interface java.util.Collection<E>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface java.util.Collection<E>

contains

public boolean contains(java.lang.Object o)

Specified by:

contains in interface java.util.Collection<E>

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>

toArray

public java.lang.Object[] toArray()

Specified by:

toArray in interface java.util.Collection<E>

toArray

public <T> T[] toArray(T[] a)

Specified by:

toArray in interface java.util.Collection<E>

add

public boolean add(E o)

Specified by:

add in interface java.util.Collection<E>

remove

public boolean remove(java.lang.Object o)

Specified by:

remove in interface java.util.Collection<E>

containsAll

public boolean containsAll(java.util.Collection<?> c)

Specified by:

containsAll in interface java.util.Collection<E>

addAll

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

Specified by:

addAll in interface java.util.Collection<E>

removeAll

public boolean removeAll(java.util.Collection<?> c)

Specified by:

removeAll in interface java.util.Collection<E>

retainAll

public boolean retainAll(java.util.Collection<?> c)

Specified by:

retainAll in interface java.util.Collection<E>

clear

public void clear()

Specified by:

clear in interface java.util.Collection<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