Calin Juravle | 6ea5ace | 2016-12-01 17:53:07 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 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.pm.dex; |
| 18 | |
| 19 | import android.util.AtomicFile; |
| 20 | import android.util.Slog; |
| 21 | import android.os.Build; |
| 22 | |
| 23 | import com.android.internal.annotations.GuardedBy; |
| 24 | import com.android.internal.util.FastPrintWriter; |
| 25 | import com.android.server.pm.AbstractStatsBase; |
| 26 | import com.android.server.pm.PackageManagerServiceUtils; |
| 27 | |
| 28 | import java.io.BufferedReader; |
| 29 | import java.io.File; |
| 30 | import java.io.FileNotFoundException; |
| 31 | import java.io.FileOutputStream; |
| 32 | import java.io.InputStreamReader; |
| 33 | import java.io.IOException; |
| 34 | import java.io.OutputStreamWriter; |
| 35 | import java.io.Reader; |
| 36 | import java.io.StringWriter; |
| 37 | import java.io.Writer; |
| 38 | import java.util.Iterator; |
| 39 | import java.util.HashMap; |
| 40 | import java.util.HashSet; |
| 41 | import java.util.Map; |
| 42 | import java.util.Set; |
| 43 | |
| 44 | import dalvik.system.VMRuntime; |
| 45 | import libcore.io.IoUtils; |
| 46 | |
| 47 | /** |
| 48 | * Stat file which store usage information about dex files. |
| 49 | */ |
| 50 | public class PackageDexUsage extends AbstractStatsBase<Void> { |
| 51 | private final static String TAG = "PackageDexUsage"; |
| 52 | |
| 53 | private final static int PACKAGE_DEX_USAGE_VERSION = 1; |
| 54 | private final static String PACKAGE_DEX_USAGE_VERSION_HEADER = |
| 55 | "PACKAGE_MANAGER__PACKAGE_DEX_USAGE__"; |
| 56 | |
| 57 | private final static String SPLIT_CHAR = ","; |
| 58 | private final static String DEX_LINE_CHAR = "#"; |
| 59 | |
| 60 | // Map which structures the information we have on a package. |
| 61 | // Maps package name to package data (which stores info about UsedByOtherApps and |
| 62 | // secondary dex files.). |
| 63 | // Access to this map needs synchronized. |
| 64 | @GuardedBy("mPackageUseInfoMap") |
| 65 | private Map<String, PackageUseInfo> mPackageUseInfoMap; |
| 66 | |
| 67 | public PackageDexUsage() { |
| 68 | super("package-dex-usage.list", "PackageDexUsage_DiskWriter", /*lock*/ false); |
| 69 | mPackageUseInfoMap = new HashMap<>(); |
| 70 | } |
| 71 | |
| 72 | /** |
| 73 | * Record a dex file load. |
| 74 | * |
| 75 | * Note this is called when apps load dex files and as such it should return |
| 76 | * as fast as possible. |
| 77 | * |
| 78 | * @param loadingPackage the package performing the load |
| 79 | * @param dexPath the path of the dex files being loaded |
| 80 | * @param ownerUserId the user id which runs the code loading the dex files |
| 81 | * @param loaderIsa the ISA of the app loading the dex files |
| 82 | * @param isUsedByOtherApps whether or not this dex file was not loaded by its owning package |
| 83 | * @param primaryOrSplit whether or not the dex file is a primary/split dex. True indicates |
| 84 | * the file is either primary or a split. False indicates the file is secondary dex. |
| 85 | * @return true if the dex load constitutes new information, or false if this information |
| 86 | * has been seen before. |
| 87 | */ |
| 88 | public boolean record(String owningPackageName, String dexPath, int ownerUserId, |
| 89 | String loaderIsa, boolean isUsedByOtherApps, boolean primaryOrSplit) { |
| 90 | if (!PackageManagerServiceUtils.checkISA(loaderIsa)) { |
| 91 | throw new IllegalArgumentException("loaderIsa " + loaderIsa + " is unsupported"); |
| 92 | } |
| 93 | synchronized (mPackageUseInfoMap) { |
| 94 | PackageUseInfo packageUseInfo = mPackageUseInfoMap.get(owningPackageName); |
| 95 | if (packageUseInfo == null) { |
| 96 | // This is the first time we see the package. |
| 97 | packageUseInfo = new PackageUseInfo(); |
| 98 | if (primaryOrSplit) { |
| 99 | // If we have a primary or a split apk, set isUsedByOtherApps. |
| 100 | // We do not need to record the loaderIsa or the owner because we compile |
| 101 | // primaries for all users and all ISAs. |
| 102 | packageUseInfo.mIsUsedByOtherApps = isUsedByOtherApps; |
| 103 | } else { |
| 104 | // For secondary dex files record the loaderISA and the owner. We'll need |
| 105 | // to know under which user to compile and for what ISA. |
| 106 | packageUseInfo.mDexUseInfoMap.put( |
| 107 | dexPath, new DexUseInfo(isUsedByOtherApps, ownerUserId, loaderIsa)); |
| 108 | } |
| 109 | mPackageUseInfoMap.put(owningPackageName, packageUseInfo); |
| 110 | return true; |
| 111 | } else { |
| 112 | // We already have data on this package. Amend it. |
| 113 | if (primaryOrSplit) { |
| 114 | // We have a possible update on the primary apk usage. Merge |
| 115 | // isUsedByOtherApps information and return if there was an update. |
| 116 | return packageUseInfo.merge(isUsedByOtherApps); |
| 117 | } else { |
| 118 | DexUseInfo newData = new DexUseInfo( |
| 119 | isUsedByOtherApps, ownerUserId, loaderIsa); |
| 120 | DexUseInfo existingData = packageUseInfo.mDexUseInfoMap.get(dexPath); |
| 121 | if (existingData == null) { |
| 122 | // It's the first time we see this dex file. |
| 123 | packageUseInfo.mDexUseInfoMap.put(dexPath, newData); |
| 124 | return true; |
| 125 | } else { |
| 126 | if (ownerUserId != existingData.mOwnerUserId) { |
| 127 | // Oups, this should never happen, the DexManager who calls this should |
| 128 | // do the proper checks and not call record if the user does not own the |
| 129 | // dex path. |
| 130 | // Secondary dex files are stored in the app user directory. A change in |
| 131 | // owningUser for the same path means that something went wrong at some |
| 132 | // higher level, and the loaderUser was allowed to cross |
| 133 | // user-boundaries and access data from what we know to be the owner |
| 134 | // user. |
| 135 | throw new IllegalArgumentException("Trying to change ownerUserId for " |
| 136 | + " dex path " + dexPath + " from " + existingData.mOwnerUserId |
| 137 | + " to " + ownerUserId); |
| 138 | } |
| 139 | // Merge the information into the existing data. |
| 140 | // Returns true if there was an update. |
| 141 | return existingData.merge(newData); |
| 142 | } |
| 143 | } |
| 144 | } |
| 145 | } |
| 146 | } |
| 147 | |
| 148 | /** |
| 149 | * Convenience method for sync reads which does not force the user to pass a useless |
| 150 | * (Void) null. |
| 151 | */ |
| 152 | public void read() { |
| 153 | read((Void) null); |
| 154 | } |
| 155 | |
| 156 | /** |
| 157 | * Convenience method for async writes which does not force the user to pass a useless |
| 158 | * (Void) null. |
| 159 | */ |
| 160 | public void maybeWriteAsync() { |
| 161 | maybeWriteAsync((Void) null); |
| 162 | } |
| 163 | |
| 164 | @Override |
| 165 | protected void writeInternal(Void data) { |
| 166 | AtomicFile file = getFile(); |
| 167 | FileOutputStream f = null; |
| 168 | |
| 169 | try { |
| 170 | f = file.startWrite(); |
| 171 | OutputStreamWriter osw = new OutputStreamWriter(f); |
| 172 | write(osw); |
| 173 | osw.flush(); |
| 174 | file.finishWrite(f); |
| 175 | } catch (IOException e) { |
| 176 | if (f != null) { |
| 177 | file.failWrite(f); |
| 178 | } |
| 179 | Slog.e(TAG, "Failed to write usage for dex files", e); |
| 180 | } |
| 181 | } |
| 182 | |
| 183 | /** |
| 184 | * File format: |
| 185 | * |
| 186 | * file_magic_version |
| 187 | * package_name_1 |
| 188 | * #dex_file_path_1_1 |
| 189 | * user_1_1, used_by_other_app_1_1, user_isa_1_1_1, user_isa_1_1_2 |
| 190 | * #dex_file_path_1_2 |
| 191 | * user_1_2, used_by_other_app_1_2, user_isa_1_2_1, user_isa_1_2_2 |
| 192 | * ... |
| 193 | * package_name_2 |
| 194 | * #dex_file_path_2_1 |
| 195 | * user_2_1, used_by_other_app_2_1, user_isa_2_1_1, user_isa_2_1_2 |
| 196 | * #dex_file_path_2_2, |
| 197 | * user_2_2, used_by_other_app_2_2, user_isa_2_2_1, user_isa_2_2_2 |
| 198 | * ... |
| 199 | */ |
| 200 | /* package */ void write(Writer out) { |
| 201 | // Make a clone to avoid locking while writing to disk. |
| 202 | Map<String, PackageUseInfo> packageUseInfoMapClone = clonePackageUseInfoMap(); |
| 203 | |
| 204 | FastPrintWriter fpw = new FastPrintWriter(out); |
| 205 | |
| 206 | // Write the header. |
| 207 | fpw.print(PACKAGE_DEX_USAGE_VERSION_HEADER); |
| 208 | fpw.println(PACKAGE_DEX_USAGE_VERSION); |
| 209 | |
| 210 | for (Map.Entry<String, PackageUseInfo> pEntry : packageUseInfoMapClone.entrySet()) { |
| 211 | // Write the package line. |
| 212 | String packageName = pEntry.getKey(); |
| 213 | PackageUseInfo packageUseInfo = pEntry.getValue(); |
| 214 | |
| 215 | fpw.println(String.join(SPLIT_CHAR, packageName, |
| 216 | writeBoolean(packageUseInfo.mIsUsedByOtherApps))); |
| 217 | |
| 218 | // Write dex file lines. |
| 219 | for (Map.Entry<String, DexUseInfo> dEntry : packageUseInfo.mDexUseInfoMap.entrySet()) { |
| 220 | String dexPath = dEntry.getKey(); |
| 221 | DexUseInfo dexUseInfo = dEntry.getValue(); |
| 222 | fpw.println(DEX_LINE_CHAR + dexPath); |
| 223 | fpw.print(String.join(SPLIT_CHAR, Integer.toString(dexUseInfo.mOwnerUserId), |
| 224 | writeBoolean(dexUseInfo.mIsUsedByOtherApps))); |
| 225 | for (String isa : dexUseInfo.mLoaderIsas) { |
| 226 | fpw.print(SPLIT_CHAR + isa); |
| 227 | } |
| 228 | fpw.println(); |
| 229 | } |
| 230 | } |
| 231 | fpw.flush(); |
| 232 | } |
| 233 | |
| 234 | @Override |
| 235 | protected void readInternal(Void data) { |
| 236 | AtomicFile file = getFile(); |
| 237 | BufferedReader in = null; |
| 238 | try { |
| 239 | in = new BufferedReader(new InputStreamReader(file.openRead())); |
| 240 | read(in); |
| 241 | } catch (FileNotFoundException expected) { |
| 242 | // The file may not be there. E.g. When we first take the OTA with this feature. |
| 243 | } catch (IOException e) { |
| 244 | Slog.w(TAG, "Failed to parse package dex usage.", e); |
| 245 | } finally { |
| 246 | IoUtils.closeQuietly(in); |
| 247 | } |
| 248 | } |
| 249 | |
| 250 | /* package */ void read(Reader reader) throws IOException { |
| 251 | Map<String, PackageUseInfo> data = new HashMap<>(); |
| 252 | BufferedReader in = new BufferedReader(reader); |
| 253 | // Read header, do version check. |
| 254 | String versionLine = in.readLine(); |
| 255 | if (versionLine == null) { |
| 256 | throw new IllegalStateException("No version line found."); |
| 257 | } else { |
| 258 | if (!versionLine.startsWith(PACKAGE_DEX_USAGE_VERSION_HEADER)) { |
| 259 | // TODO(calin): the caller is responsible to clear the file. |
| 260 | throw new IllegalStateException("Invalid version line: " + versionLine); |
| 261 | } |
| 262 | int version = Integer.parseInt( |
| 263 | versionLine.substring(PACKAGE_DEX_USAGE_VERSION_HEADER.length())); |
| 264 | if (version != PACKAGE_DEX_USAGE_VERSION) { |
| 265 | throw new IllegalStateException("Unexpected version: " + version); |
| 266 | } |
| 267 | } |
| 268 | |
| 269 | String s = null; |
| 270 | String currentPakage = null; |
| 271 | PackageUseInfo currentPakageData = null; |
| 272 | |
| 273 | Set<String> supportedIsas = new HashSet<>(); |
| 274 | for (String abi : Build.SUPPORTED_ABIS) { |
| 275 | supportedIsas.add(VMRuntime.getInstructionSet(abi)); |
| 276 | } |
| 277 | while ((s = in.readLine()) != null) { |
| 278 | if (s.startsWith(DEX_LINE_CHAR)) { |
| 279 | // This is the start of the the dex lines. |
| 280 | // We expect two lines for each dex entry: |
| 281 | // #dexPaths |
| 282 | // onwerUserId,isUsedByOtherApps,isa1,isa2 |
| 283 | if (currentPakage == null) { |
| 284 | throw new IllegalStateException( |
| 285 | "Malformed PackageDexUsage file. Expected package line before dex line."); |
| 286 | } |
| 287 | |
| 288 | // First line is the dex path. |
| 289 | String dexPath = s.substring(DEX_LINE_CHAR.length()); |
| 290 | // Next line is the dex data. |
| 291 | s = in.readLine(); |
| 292 | if (s == null) { |
| 293 | throw new IllegalStateException("Could not fine dexUseInfo for line: " + s); |
| 294 | } |
| 295 | |
| 296 | // We expect at least 3 elements (isUsedByOtherApps, userId, isa). |
| 297 | String[] elems = s.split(SPLIT_CHAR); |
| 298 | if (elems.length < 3) { |
| 299 | throw new IllegalStateException("Invalid PackageDexUsage line: " + s); |
| 300 | } |
| 301 | int ownerUserId = Integer.parseInt(elems[0]); |
| 302 | boolean isUsedByOtherApps = readBoolean(elems[1]); |
| 303 | DexUseInfo dexUseInfo = new DexUseInfo(isUsedByOtherApps, ownerUserId); |
| 304 | for (int i = 2; i < elems.length; i++) { |
| 305 | String isa = elems[i]; |
| 306 | if (supportedIsas.contains(isa)) { |
| 307 | dexUseInfo.mLoaderIsas.add(elems[i]); |
| 308 | } else { |
| 309 | // Should never happen unless someone crafts the file manually. |
| 310 | // In theory it could if we drop a supported ISA after an OTA but we don't |
| 311 | // do that. |
| 312 | Slog.wtf(TAG, "Unsupported ISA when parsing PackageDexUsage: " + isa); |
| 313 | } |
| 314 | } |
| 315 | if (supportedIsas.isEmpty()) { |
| 316 | Slog.wtf(TAG, "Ignore dexPath when parsing PackageDexUsage because of " + |
| 317 | "unsupported isas. dexPath=" + dexPath); |
| 318 | continue; |
| 319 | } |
| 320 | currentPakageData.mDexUseInfoMap.put(dexPath, dexUseInfo); |
| 321 | } else { |
| 322 | // This is a package line. |
| 323 | // We expect it to be: `packageName,isUsedByOtherApps`. |
| 324 | String[] elems = s.split(SPLIT_CHAR); |
| 325 | if (elems.length != 2) { |
| 326 | throw new IllegalStateException("Invalid PackageDexUsage line: " + s); |
| 327 | } |
| 328 | currentPakage = elems[0]; |
| 329 | currentPakageData = new PackageUseInfo(); |
| 330 | currentPakageData.mIsUsedByOtherApps = readBoolean(elems[1]); |
| 331 | data.put(currentPakage, currentPakageData); |
| 332 | } |
| 333 | } |
| 334 | |
| 335 | synchronized (mPackageUseInfoMap) { |
| 336 | mPackageUseInfoMap.clear(); |
| 337 | mPackageUseInfoMap.putAll(data); |
| 338 | } |
| 339 | } |
| 340 | |
| 341 | /** |
| 342 | * Syncs the existing data with the set of available packages by removing obsolete entries. |
| 343 | */ |
| 344 | public void syncData(Map<String, Set<Integer>> packageToUsersMap) { |
| 345 | synchronized (mPackageUseInfoMap) { |
| 346 | Iterator<Map.Entry<String, PackageUseInfo>> pIt = |
| 347 | mPackageUseInfoMap.entrySet().iterator(); |
| 348 | while (pIt.hasNext()) { |
| 349 | Map.Entry<String, PackageUseInfo> pEntry = pIt.next(); |
| 350 | String packageName = pEntry.getKey(); |
| 351 | PackageUseInfo packageUseInfo = pEntry.getValue(); |
| 352 | Set<Integer> users = packageToUsersMap.get(packageName); |
| 353 | if (users == null) { |
| 354 | // The package doesn't exist anymore, remove the record. |
| 355 | pIt.remove(); |
| 356 | } else { |
| 357 | // The package exists but we can prune the entries associated with non existing |
| 358 | // users. |
| 359 | Iterator<Map.Entry<String, DexUseInfo>> dIt = |
| 360 | packageUseInfo.mDexUseInfoMap.entrySet().iterator(); |
| 361 | while (dIt.hasNext()) { |
| 362 | DexUseInfo dexUseInfo = dIt.next().getValue(); |
| 363 | if (!users.contains(dexUseInfo.mOwnerUserId)) { |
| 364 | // User was probably removed. Delete its dex usage info. |
| 365 | dIt.remove(); |
| 366 | } |
| 367 | } |
| 368 | if (!packageUseInfo.mIsUsedByOtherApps |
| 369 | && packageUseInfo.mDexUseInfoMap.isEmpty()) { |
| 370 | // The package is not used by other apps and we removed all its dex files |
| 371 | // records. Remove the entire package record as well. |
| 372 | pIt.remove(); |
| 373 | } |
| 374 | } |
| 375 | } |
| 376 | } |
| 377 | } |
| 378 | |
| 379 | public PackageUseInfo getPackageUseInfo(String packageName) { |
| 380 | synchronized (mPackageUseInfoMap) { |
| 381 | return mPackageUseInfoMap.get(packageName); |
| 382 | } |
| 383 | } |
| 384 | |
| 385 | public void clear() { |
| 386 | synchronized (mPackageUseInfoMap) { |
| 387 | mPackageUseInfoMap.clear(); |
| 388 | } |
| 389 | } |
| 390 | // Creates a deep copy of the class' mPackageUseInfoMap. |
| 391 | private Map<String, PackageUseInfo> clonePackageUseInfoMap() { |
| 392 | Map<String, PackageUseInfo> clone = new HashMap<>(); |
| 393 | synchronized (mPackageUseInfoMap) { |
| 394 | for (Map.Entry<String, PackageUseInfo> e : mPackageUseInfoMap.entrySet()) { |
| 395 | clone.put(e.getKey(), new PackageUseInfo(e.getValue())); |
| 396 | } |
| 397 | } |
| 398 | return clone; |
| 399 | } |
| 400 | |
| 401 | private String writeBoolean(boolean bool) { |
| 402 | return bool ? "1" : "0"; |
| 403 | } |
| 404 | |
| 405 | private boolean readBoolean(String bool) { |
| 406 | if ("0".equals(bool)) return false; |
| 407 | if ("1".equals(bool)) return true; |
| 408 | throw new IllegalArgumentException("Unknown bool encoding: " + bool); |
| 409 | } |
| 410 | |
| 411 | private boolean contains(int[] array, int elem) { |
| 412 | for (int i = 0; i < array.length; i++) { |
| 413 | if (elem == array[i]) { |
| 414 | return true; |
| 415 | } |
| 416 | } |
| 417 | return false; |
| 418 | } |
| 419 | |
| 420 | public String dump() { |
| 421 | StringWriter sw = new StringWriter(); |
| 422 | write(sw); |
| 423 | return sw.toString(); |
| 424 | } |
| 425 | |
| 426 | /** |
| 427 | * Stores data on how a package and its dex files are used. |
| 428 | */ |
| 429 | public static class PackageUseInfo { |
| 430 | // This flag is for the primary and split apks. It is set to true whenever one of them |
| 431 | // is loaded by another app. |
| 432 | private boolean mIsUsedByOtherApps; |
| 433 | // Map dex paths to their data (isUsedByOtherApps, owner id, loader isa). |
| 434 | private final Map<String, DexUseInfo> mDexUseInfoMap; |
| 435 | |
| 436 | public PackageUseInfo() { |
| 437 | mIsUsedByOtherApps = false; |
| 438 | mDexUseInfoMap = new HashMap<>(); |
| 439 | } |
| 440 | |
| 441 | // Creates a deep copy of the `other`. |
| 442 | public PackageUseInfo(PackageUseInfo other) { |
| 443 | mIsUsedByOtherApps = other.mIsUsedByOtherApps; |
| 444 | mDexUseInfoMap = new HashMap<>(); |
| 445 | for (Map.Entry<String, DexUseInfo> e : other.mDexUseInfoMap.entrySet()) { |
| 446 | mDexUseInfoMap.put(e.getKey(), new DexUseInfo(e.getValue())); |
| 447 | } |
| 448 | } |
| 449 | |
| 450 | private boolean merge(boolean isUsedByOtherApps) { |
| 451 | boolean oldIsUsedByOtherApps = mIsUsedByOtherApps; |
| 452 | mIsUsedByOtherApps = mIsUsedByOtherApps || isUsedByOtherApps; |
| 453 | return oldIsUsedByOtherApps != this.mIsUsedByOtherApps; |
| 454 | } |
| 455 | |
| 456 | public boolean isUsedByOtherApps() { |
| 457 | return mIsUsedByOtherApps; |
| 458 | } |
| 459 | |
| 460 | public Map<String, DexUseInfo> getDexUseInfoMap() { |
| 461 | return mDexUseInfoMap; |
| 462 | } |
| 463 | } |
| 464 | |
| 465 | /** |
| 466 | * Stores data about a loaded dex files. |
| 467 | */ |
| 468 | public static class DexUseInfo { |
| 469 | private boolean mIsUsedByOtherApps; |
| 470 | private final int mOwnerUserId; |
| 471 | private final Set<String> mLoaderIsas; |
| 472 | |
| 473 | public DexUseInfo(boolean isUsedByOtherApps, int ownerUserId) { |
| 474 | this(isUsedByOtherApps, ownerUserId, null); |
| 475 | } |
| 476 | |
| 477 | public DexUseInfo(boolean isUsedByOtherApps, int ownerUserId, String loaderIsa) { |
| 478 | mIsUsedByOtherApps = isUsedByOtherApps; |
| 479 | mOwnerUserId = ownerUserId; |
| 480 | mLoaderIsas = new HashSet<>(); |
| 481 | if (loaderIsa != null) { |
| 482 | mLoaderIsas.add(loaderIsa); |
| 483 | } |
| 484 | } |
| 485 | |
| 486 | // Creates a deep copy of the `other`. |
| 487 | public DexUseInfo(DexUseInfo other) { |
| 488 | mIsUsedByOtherApps = other.mIsUsedByOtherApps; |
| 489 | mOwnerUserId = other.mOwnerUserId; |
| 490 | mLoaderIsas = new HashSet<>(other.mLoaderIsas); |
| 491 | } |
| 492 | |
| 493 | private boolean merge(DexUseInfo dexUseInfo) { |
| 494 | boolean oldIsUsedByOtherApps = mIsUsedByOtherApps; |
| 495 | mIsUsedByOtherApps = mIsUsedByOtherApps || dexUseInfo.mIsUsedByOtherApps; |
| 496 | boolean updateIsas = mLoaderIsas.addAll(dexUseInfo.mLoaderIsas); |
| 497 | return updateIsas || (oldIsUsedByOtherApps != mIsUsedByOtherApps); |
| 498 | } |
| 499 | |
| 500 | public boolean isUsedByOtherApps() { |
| 501 | return mIsUsedByOtherApps; |
| 502 | } |
| 503 | |
| 504 | public int getOwnerUserId() { |
| 505 | return mOwnerUserId; |
| 506 | } |
| 507 | |
| 508 | public Set<String> getLoaderIsas() { |
| 509 | return mLoaderIsas; |
| 510 | } |
| 511 | } |
| 512 | } |