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 com.android.server.appsearch.appsindexer; 18 19 import static com.android.server.appsearch.appsindexer.AppIndexerVersions.APP_INDEXER_VERSION_UNKNOWN; 20 21 import android.annotation.NonNull; 22 23 import com.android.server.appsearch.indexer.IndexerSettings; 24 25 import java.io.File; 26 27 /** 28 * Apps indexer settings backed by a PersistableBundle. 29 * 30 * <p>Holds settings such as: 31 * 32 * <ul> 33 * <li>the timestamp of the last full update 34 * <li>the timestamp of the last apps update 35 * </ul> 36 */ 37 public class AppsIndexerSettings extends IndexerSettings { 38 static final String SETTINGS_FILE_NAME = "apps_indexer_settings.pb"; 39 static final String LAST_APP_UPDATE_TIMESTAMP_KEY = "last_app_update_timestamp_millis"; 40 41 static final String PREVIOUS_APP_INDEXER_VERSION_CODE = "previous_app_indexer_version_code"; 42 AppsIndexerSettings(@onNull File baseDir)43 public AppsIndexerSettings(@NonNull File baseDir) { 44 super(baseDir); 45 } 46 47 @Override getSettingsFileName()48 protected String getSettingsFileName() { 49 return SETTINGS_FILE_NAME; 50 } 51 52 /** Returns the timestamp of when the last app was updated in milliseconds. */ getLastAppUpdateTimestampMillis()53 public long getLastAppUpdateTimestampMillis() { 54 return mBundle.getLong(LAST_APP_UPDATE_TIMESTAMP_KEY); 55 } 56 57 /** Sets the timestamp of when the last app was updated in milliseconds. */ setLastAppUpdateTimestampMillis(long timestampMillis)58 public void setLastAppUpdateTimestampMillis(long timestampMillis) { 59 mBundle.putLong(LAST_APP_UPDATE_TIMESTAMP_KEY, timestampMillis); 60 } 61 62 /** Returns the version code of AppSearch module that previously indexed the apps. */ 63 @AppIndexerVersions.AppIndexerVersion getPreviousIndexerVersionCode()64 public int getPreviousIndexerVersionCode() { 65 return mBundle.getInt(PREVIOUS_APP_INDEXER_VERSION_CODE, APP_INDEXER_VERSION_UNKNOWN); 66 } 67 68 /** Sets the version code of App Indexer that previously indexed the apps. */ setPreviousIndexerVersionCode( @ppIndexerVersions.AppIndexerVersion int versionCode)69 public void setPreviousIndexerVersionCode( 70 @AppIndexerVersions.AppIndexerVersion int versionCode) { 71 mBundle.putInt(PREVIOUS_APP_INDEXER_VERSION_CODE, versionCode); 72 } 73 74 /** Resets all settings to default values except {@link #getPreviousIndexerVersionCode()}. */ 75 @Override reset()76 public void reset() { 77 super.reset(); 78 setLastAppUpdateTimestampMillis(0); 79 setPreviousIndexerVersionCode(APP_INDEXER_VERSION_UNKNOWN); 80 } 81 } 82