net.i2p.router.util
Class RemovableSingletonSet<E>

java.lang.Object
  extended by java.util.AbstractCollection<E>
      extended by java.util.AbstractSet<E>
          extended by net.i2p.router.util.RemovableSingletonSet<E>
All Implemented Interfaces:
Iterable<E>, Collection<E>, Set<E>

public class RemovableSingletonSet<E>
extends AbstractSet<E>

Like Collections.singleton() but item is removable, clear() is supported, and the iterator supports remove(). Item may not be null. add() and addAll() unsupported. Unsynchronized.

Since:
0.9.7

Constructor Summary
RemovableSingletonSet(E element)
           
 
Method Summary
 void clear()
           
 boolean contains(Object o)
           
 boolean isEmpty()
           
 Iterator<E> iterator()
           
 boolean remove(Object o)
           
 int size()
           
 
Methods inherited from class java.util.AbstractSet
equals, hashCode, removeAll
 
Methods inherited from class java.util.AbstractCollection
add, addAll, containsAll, retainAll, toArray, toArray, toString
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
 
Methods inherited from interface java.util.Set
add, addAll, containsAll, retainAll, toArray, toArray
 

Constructor Detail

RemovableSingletonSet

public RemovableSingletonSet(E element)
Method Detail

clear

public void clear()
Specified by:
clear in interface Collection<E>
Specified by:
clear in interface Set<E>
Overrides:
clear in class AbstractCollection<E>

contains

public boolean contains(Object o)
Specified by:
contains in interface Collection<E>
Specified by:
contains in interface Set<E>
Overrides:
contains in class AbstractCollection<E>

isEmpty

public boolean isEmpty()
Specified by:
isEmpty in interface Collection<E>
Specified by:
isEmpty in interface Set<E>
Overrides:
isEmpty in class AbstractCollection<E>

remove

public boolean remove(Object o)
Specified by:
remove in interface Collection<E>
Specified by:
remove in interface Set<E>
Overrides:
remove in class AbstractCollection<E>

size

public int size()
Specified by:
size in interface Collection<E>
Specified by:
size in interface Set<E>
Specified by:
size in class AbstractCollection<E>

iterator

public Iterator<E> iterator()
Specified by:
iterator in interface Iterable<E>
Specified by:
iterator in interface Collection<E>
Specified by:
iterator in interface Set<E>
Specified by:
iterator in class AbstractCollection<E>