1 /*
2  * Copyright (C) 2017 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.systemui.util.leak;
18 
19 import java.util.Collection;
20 import java.util.Iterator;
21 
22 abstract class AbstractCollection<T> implements Collection<T> {
23     @Override
size()24     public abstract int size();
25 
26     @Override
isEmpty()27     public abstract boolean isEmpty();
28 
29     @Override
contains(Object o)30     public boolean contains(Object o) {
31         throw new UnsupportedOperationException();
32     }
33 
34     @Override
iterator()35     public Iterator<T> iterator() {
36         throw new UnsupportedOperationException();
37     }
38 
39     @Override
toArray()40     public Object[] toArray() {
41         throw new UnsupportedOperationException();
42     }
43 
44     @Override
toArray(T1[] t1s)45     public <T1> T1[] toArray(T1[] t1s) {
46         throw new UnsupportedOperationException();
47     }
48 
49     @Override
add(T t)50     public boolean add(T t) {
51         throw new UnsupportedOperationException();
52     }
53 
54     @Override
remove(Object o)55     public boolean remove(Object o) {
56         throw new UnsupportedOperationException();
57     }
58 
59     @Override
containsAll(Collection<?> collection)60     public boolean containsAll(Collection<?> collection) {
61         throw new UnsupportedOperationException();
62     }
63 
64     @Override
addAll(Collection<? extends T> collection)65     public boolean addAll(Collection<? extends T> collection) {
66         throw new UnsupportedOperationException();
67     }
68 
69     @Override
removeAll(Collection<?> collection)70     public boolean removeAll(Collection<?> collection) {
71         throw new UnsupportedOperationException();
72     }
73 
74     @Override
retainAll(Collection<?> collection)75     public boolean retainAll(Collection<?> collection) {
76         throw new UnsupportedOperationException();
77     }
78 
79     @Override
clear()80     public void clear() {
81         throw new UnsupportedOperationException();
82     }
83 }
84