1 /*
2  * Copyright 2017, OpenCensus Authors
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 io.opencensus.stats;
18 
19 /**
20  * State of the {@link StatsComponent}.
21  *
22  * @since 0.8
23  */
24 public enum StatsCollectionState {
25 
26   /**
27    * State that fully enables stats collection.
28    *
29    * <p>The {@link StatsComponent} collects stats for registered views.
30    *
31    * @since 0.8
32    */
33   ENABLED,
34 
35   /**
36    * State that disables stats collection.
37    *
38    * <p>The {@link StatsComponent} does not need to collect stats for registered views and may
39    * return empty {@link ViewData}s from {@link ViewManager#getView(View.Name)}.
40    *
41    * @since 0.8
42    */
43   DISABLED
44 }
45