50da7feeb9
Save battery slot diff data into database in hourly job. Then read the saved diff data and only calculate the remaining data. This could speed up the battery usage loading. Bug: 261163071 Fix: 261163071 Test: manual Change-Id: Icd4868ca9326b64b17ddbccdb0311e755dc68026
68 lines
2.6 KiB
Java
68 lines
2.6 KiB
Java
/*
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* Copyright (C) 2022 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 com.android.settings.fuelgauge.batteryusage.db;
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import android.database.Cursor;
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import androidx.room.Dao;
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import androidx.room.Insert;
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import androidx.room.OnConflictStrategy;
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import androidx.room.Query;
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import java.util.List;
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/** Data access object for accessing {@link BatteryState} in the database. */
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@Dao
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public interface BatteryStateDao {
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/** Inserts a {@link BatteryState} data into the database. */
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@Insert(onConflict = OnConflictStrategy.REPLACE)
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void insert(BatteryState state);
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/** Inserts {@link BatteryState} data into the database. */
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@Insert(onConflict = OnConflictStrategy.REPLACE)
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void insertAll(List<BatteryState> states);
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/** Gets the {@link Cursor} of the latest record timestamp no later than the given timestamp. */
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@Query("SELECT MAX(timestamp) FROM BatteryState WHERE timestamp <= :timestamp")
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Cursor getLatestTimestampBefore(long timestamp);
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/** Lists all recorded battery states after a specific timestamp. */
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@Query("SELECT * FROM BatteryState WHERE timestamp >= :timestamp ORDER BY timestamp ASC")
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Cursor getBatteryStatesAfter(long timestamp);
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/** Lists all recorded data after a specific timestamp. */
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@Query("SELECT * FROM BatteryState WHERE timestamp > :timestamp ORDER BY timestamp DESC")
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List<BatteryState> getAllAfter(long timestamp);
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/** Get the count of distinct timestamp after a specific timestamp. */
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@Query("SELECT COUNT(DISTINCT timestamp) FROM BatteryState WHERE timestamp > :timestamp")
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int getDistinctTimestampCount(long timestamp);
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/** Lists all distinct timestamps after a specific timestamp. */
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@Query("SELECT DISTINCT timestamp FROM BatteryState WHERE timestamp > :timestamp")
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List<Long> getDistinctTimestamps(long timestamp);
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/** Deletes all recorded data before a specific timestamp. */
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@Query("DELETE FROM BatteryState WHERE timestamp <= :timestamp")
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void clearAllBefore(long timestamp);
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/** Clears all recorded data in the database. */
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@Query("DELETE FROM BatteryState")
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void clearAll();
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}
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