tom | 9ccd781 | 2014-08-25 22:43:19 -0700 | [diff] [blame^] | 1 | package org.onlab.onos.of.controller.impl.util; |
tom | 0eb04ca | 2014-08-25 14:34:51 -0700 | [diff] [blame] | 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 | * |
| 13 | */ |
| 14 | public class LinkedHashSetWrapper<E> |
| 15 | extends ForwardingCollection<E> implements OrderedCollection<E> { |
| 16 | private final Collection<E> delegate; |
| 17 | |
| 18 | public LinkedHashSetWrapper() { |
| 19 | super(); |
| 20 | this.delegate = new LinkedHashSet<E>(); |
| 21 | } |
| 22 | |
| 23 | public LinkedHashSetWrapper(Collection<? extends E> c) { |
| 24 | super(); |
| 25 | this.delegate = new LinkedHashSet<E>(c); |
| 26 | } |
| 27 | |
| 28 | @Override |
| 29 | protected Collection<E> delegate() { |
| 30 | return this.delegate; |
| 31 | } |
| 32 | } |