AbstractSetDecorator (Apache Commons Collections 4.2 API)

java.lang.Object
- org.apache.commons.collections4.collection.AbstractCollectionDecorator<E>
- - org.apache.commons.collections4.set.AbstractSetDecorator<E>

Type Parameters:

E - the type of the elements in this set

All Implemented Interfaces:

Serializable, Iterable<E>, Collection<E>, Set<E>

Direct Known Subclasses:

AbstractSerializableSetDecorator, AbstractSortedSetDecorator, UnmodifiableEntrySet
```
public abstract class AbstractSetDecorator<E>
extends AbstractCollectionDecorator<E>
implements Set<E>
```
Decorates another Set to provide additional behaviour.
Methods are forwarded directly to the decorated set.

Since:

3.0

See Also:

Serialized Form

Constructor Summary

Constructors
Modifier	Constructor	Description
`protected`	`AbstractSetDecorator()`	Constructor only used in deserialization, do not use otherwise.
`protected`	`AbstractSetDecorator(Set<E> set)`	Constructor that wraps (not copies).

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected Set<E>`	`decorated()`	Gets the set being decorated.
`boolean`	`equals(Object object)`
`int`	`hashCode()`

Methods inherited from class org.apache.commons.collections4.collection.AbstractCollectionDecorator
add, addAll, clear, contains, containsAll, isEmpty, iterator, remove, removeAll, retainAll, setCollection, size, toArray, toArray, toString

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

Methods inherited from interface java.util.Collection
parallelStream, removeIf, stream, toArray

Methods inherited from interface java.lang.Iterable
forEach

Methods inherited from interface java.util.Set
add, addAll, clear, contains, containsAll, isEmpty, iterator, remove, removeAll, retainAll, size, spliterator, toArray, toArray

- Constructor Detail
  - AbstractSetDecorator
```
protected AbstractSetDecorator()
```
    Constructor only used in deserialization, do not use otherwise.
    
    Since:
    
    3.1
  - AbstractSetDecorator
```
protected AbstractSetDecorator(Set<E> set)
```
    Constructor that wraps (not copies).
    
    Parameters:
    
    set - the set to decorate, must not be null
    
    Throws:
    
    NullPointerException - if set is null
- Method Detail
  - decorated
```
protected Set<E> decorated()
```
    Gets the set being decorated.
    
    Overrides:
    
    decorated in class AbstractCollectionDecorator<E>
    
    Returns:
    
    the decorated set
  - equals
```
public boolean equals(Object object)
```
    Specified by:
    
    equals in interface Collection<E>
    
    Specified by:
    
    equals in interface Set<E>
    
    Overrides:
    
    equals in class Object
  - hashCode
```
public int hashCode()
```
    Specified by:
    
    hashCode in interface Collection<E>
    
    Specified by:
    
    hashCode in interface Set<E>
    
    Overrides:
    
    hashCode in class Object