Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1 | package net.floodlightcontroller.util; |
| 2 | |
| 3 | import java.util.Collection; |
| 4 | import java.util.LinkedHashSet; |
| 5 | |
| 6 | import com.google.common.collect.ForwardingCollection; |
| 7 | |
| 8 | /** |
| 9 | * A simple wrapper / forwarder that forwards all calls to a LinkedHashSet. |
| 10 | * This wrappers sole reason for existence is to implement the |
| 11 | * OrderedCollection marker interface. |
| 12 | * @author gregor |
| 13 | * |
| 14 | */ |
| 15 | public class LinkedHashSetWrapper<E> |
| 16 | extends ForwardingCollection<E> implements OrderedCollection<E> { |
| 17 | private final Collection<E> delegate; |
| 18 | |
| 19 | public LinkedHashSetWrapper() { |
| 20 | super(); |
| 21 | this.delegate = new LinkedHashSet<E>(); |
| 22 | } |
| 23 | |
| 24 | public LinkedHashSetWrapper(Collection<? extends E> c) { |
| 25 | super(); |
| 26 | this.delegate = new LinkedHashSet<E>(c); |
| 27 | } |
| 28 | |
| 29 | @Override |
| 30 | protected Collection<E> delegate() { |
| 31 | return this.delegate; |
| 32 | } |
| 33 | } |