1 /*
2  * Copyright (C) 2024 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 android.tracing.perfetto;
18 
19 import android.annotation.Nullable;
20 
21 /**
22  * @hide
23  * @param <DataSourceInstanceType> The type of datasource instance this state applied to.
24  */
25 public class CreateTlsStateArgs<DataSourceInstanceType extends DataSourceInstance> {
26     private final DataSource<DataSourceInstanceType, Object, Object> mDataSource;
27     private final int mInstanceIndex;
28 
CreateTlsStateArgs(DataSource dataSource, int instanceIndex)29     CreateTlsStateArgs(DataSource dataSource, int instanceIndex) {
30         this.mDataSource = dataSource;
31         this.mInstanceIndex = instanceIndex;
32     }
33 
34     /**
35      * Gets the datasource instance for this state with a lock.
36      * releaseDataSourceInstanceLocked must be called before this can be called again.
37      * @return The data source instance for this state.
38      *         Null if the datasource instance no longer exists.
39      */
getDataSourceInstanceLocked()40     public @Nullable DataSourceInstanceType getDataSourceInstanceLocked() {
41         return mDataSource.getDataSourceInstanceLocked(mInstanceIndex);
42     }
43 }
44