44 lines
1.6 KiB
Java
44 lines
1.6 KiB
Java
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/*
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* Copyright (C) 2024 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.tracing.perfetto;
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import android.annotation.Nullable;
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/**
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* @hide
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* @param <DataSourceInstanceType> The type of datasource instance this state applied to.
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*/
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public class CreateIncrementalStateArgs<DataSourceInstanceType extends DataSourceInstance> {
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private final DataSource<DataSourceInstanceType, Object, Object> mDataSource;
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private final int mInstanceIndex;
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CreateIncrementalStateArgs(DataSource dataSource, int instanceIndex) {
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this.mDataSource = dataSource;
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this.mInstanceIndex = instanceIndex;
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}
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/**
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* Gets the datasource instance for this state with a lock.
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* releaseDataSourceInstanceLocked must be called before this can be called again.
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* @return The data source instance for this state.
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* Null if the datasource instance no longer exists.
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*/
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public @Nullable DataSourceInstanceType getDataSourceInstanceLocked() {
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return mDataSource.getDataSourceInstanceLocked(mInstanceIndex);
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}
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}
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