Java 类com.intellij.openapi.vfs.newvfs.persistent.FSRecords 实例源码

项目：intellij-ce-playground 文件：RefResolveServiceImpl.java

private void queueUnresolvedFilesSinceLastRestart() {
  PersistentFS fs = PersistentFS.getInstance();
  int maxId = FSRecords.getMaxId();
  TIntArrayList list = new TIntArrayList();
  for (int id= fileIsResolved.nextClearBit(1); id >= 0 && id < maxId; id = fileIsResolved.nextClearBit(id + 1)) {
    int nextSetBit = fileIsResolved.nextSetBit(id);
    int endOfRun = Math.min(maxId, nextSetBit == -1 ? maxId : nextSetBit);
    do {
      VirtualFile virtualFile = fs.findFileById(id);
      if (queueIfNeeded(virtualFile, myProject)) {
        list.add(id);
      }
      else {
        fileIsResolved.set(id);
      }
    }
    while (++id < endOfRun);
  }
  log("Initially added to resolve " + toVfString(list.toNativeArray()));
}

项目：intellij-ce-playground 文件：JarHandler.java

private File getMirrorFile(@NotNull File originalFile) {
  if (!myFileSystem.isMakeCopyOfJar(originalFile)) return originalFile;

  final FileAttributes originalAttributes = FileSystemUtil.getAttributes(originalFile);
  if (originalAttributes == null) return originalFile;

  final String folderPath = getJarsDir();
  if (!new File(folderPath).exists() && !new File(folderPath).mkdirs()) {
    return originalFile;
  }

  if (FSRecords.weHaveContentHashes) {
    return getMirrorWithContentHash(originalFile, originalAttributes);
  }

  final String mirrorName = originalFile.getName() + "." + Integer.toHexString(originalFile.getPath().hashCode());
  final File mirrorFile = new File(folderPath, mirrorName);
  final FileAttributes mirrorAttributes = FileSystemUtil.getAttributes(mirrorFile);
  return mirrorDiffers(originalAttributes, mirrorAttributes, false) ? copyToMirror(originalFile, mirrorFile) : mirrorFile;
}

项目：intellij-ce-playground 文件：LoadAllVfsStoredContentsAction.java

public boolean processFile(NewVirtualFile file) {
  if (file.isDirectory() || file.is(VFileProperty.SPECIAL)) {
    return true;
  }
  try {
    DataInputStream stream = FSRecords.readContent(file.getId());
    if (stream == null) return true;
    byte[] bytes = FileUtil.loadBytes(stream);
    totalSize.addAndGet(bytes.length);
    count.incrementAndGet();
    ProgressManager.getInstance().getProgressIndicator().setText(file.getPresentableUrl());
  }
  catch (IOException e) {
    LOG.error(e);
  }
  return true;
}

项目：intellij-ce-playground 文件：IndexingStamp.java

public static boolean versionDiffers(@NotNull File versionFile, final int currentIndexVersion) {
  try {
    ourLastStamp = Math.max(ourLastStamp, versionFile.lastModified());
    final DataInputStream in = new DataInputStream(new BufferedInputStream(new FileInputStream(versionFile)));
    try {
      final int savedIndexVersion = DataInputOutputUtil.readINT(in);
      final int commonVersion = DataInputOutputUtil.readINT(in);
      final long vfsCreationStamp = DataInputOutputUtil.readTIME(in);
      return savedIndexVersion != currentIndexVersion ||
             commonVersion != VERSION ||
             vfsCreationStamp != FSRecords.getCreationTimestamp()
        ;

    }
    finally {
      in.close();
    }
  }
  catch (IOException e) {
    return true;
  }
}

项目：intellij-ce-playground 文件：IndexingStamp.java

private static Timestamps createOrGetTimeStamp(int id) {
  boolean isValid = id > 0;
  if (!isValid) id = -id;
  Timestamps timestamps = myTimestampsCache.get(id);
  if (timestamps == null) {
    final DataInputStream stream = FSRecords.readAttributeWithLock(id, Timestamps.PERSISTENCE);
    try {
      timestamps = new Timestamps(stream);
    }
    catch (IOException e) {
      throw new RuntimeException(e);
    }
    if (isValid) myTimestampsCache.put(id, timestamps);
  }
  return timestamps;
}

项目：tools-idea 文件：TranslatingCompilerFilesMonitor.java

@NotNull
@Override
public Outputs createValue(Integer key) {
  try {
    final String dirName = FSRecords.getNames().valueOf(key);
    final File storeFile;
    if (StringUtil.isEmpty(dirName)) {
      storeFile = null;
    }
    else {
      final File compilerCacheDir = CompilerPaths.getCacheStoreDirectory(dirName);
      storeFile = compilerCacheDir.exists()? new File(compilerCacheDir, "paths_to_delete.dat") : null;
    }
    return new Outputs(storeFile, loadPathsToDelete(storeFile));
  }
  catch (IOException e) {
    LOG.info(e);
    return new Outputs(null, new HashMap<String, SourceUrlClassNamePair>());
  }
}

项目：tools-idea 文件：TranslatingCompilerFilesMonitor.java

boolean isAssociated(int projectId, String outputPath) {
  if (myProjectToOutputPathMap != null) {
    try {
      final Object val = myProjectToOutputPathMap.get(projectId);
      if (val instanceof Integer)  {
        return FileUtil.pathsEqual(outputPath, FSRecords.getNames().valueOf(((Integer)val).intValue()));
      }
      if (val instanceof TIntHashSet) {
        final int _outputPath = FSRecords.getNames().enumerate(outputPath);
        return ((TIntHashSet)val).contains(_outputPath);
      }
    }
    catch (IOException e) {
      LOG.info(e);
    }
  }
  return false;
}

项目：tools-idea 文件：LoadAllVfsStoredContentsAction.java

public boolean processFile(NewVirtualFile file) {
  if (file.isDirectory() || file.is(VFileProperty.SPECIAL)) {
    return true;
  }
  try {
    DataInputStream stream = FSRecords.readContent(file.getId());
    if (stream == null) return true;
    byte[] bytes = FileUtil.loadBytes(stream);
    totalSize.addAndGet(bytes.length);
    count.incrementAndGet();
    ProgressManager.getInstance().getProgressIndicator().setText(file.getPresentableUrl());
  }
  catch (IOException e) {
    LOG.error(e);
  }
  return true;
}

项目：consulo 文件：TranslatingCompilerFilesMonitorImpl.java

@Nonnull
@Override
public Outputs createValue(Integer key) {
  try {
    final String dirName = FSRecords.getNames().valueOf(key);
    final File storeFile;
    if (StringUtil.isEmpty(dirName)) {
      storeFile = null;
    }
    else {
      final File compilerCacheDir = CompilerPaths.getCacheStoreDirectory(dirName);
      storeFile = compilerCacheDir.exists() ? new File(compilerCacheDir, "paths_to_delete.dat") : null;
    }
    return new Outputs(storeFile, loadPathsToDelete(storeFile));
  }
  catch (IOException e) {
    LOG.info(e);
    return new Outputs(null, new HashMap<String, SourceUrlClassNamePair>());
  }
}

项目：consulo 文件：TranslatingCompilerFilesMonitorImpl.java

boolean isAssociated(int projectId, String outputPath) {
  if (myProjectToOutputPathMap != null) {
    try {
      final Object val = myProjectToOutputPathMap.get(projectId);
      if (val instanceof Integer) {
        return FileUtil.pathsEqual(outputPath, FSRecords.getNames().valueOf(((Integer)val).intValue()));
      }
      if (val instanceof TIntHashSet) {
        final int _outputPath = FSRecords.getNames().enumerate(outputPath);
        return ((TIntHashSet)val).contains(_outputPath);
      }
    }
    catch (IOException e) {
      LOG.info(e);
    }
  }
  return false;
}

项目：consulo 文件：VfsData.java

@Nullable
public static VirtualFileSystemEntry getFileById(int id, VirtualDirectoryImpl parent) {
  Segment segment = getSegment(id, false);
  if (segment == null) return null;

  int offset = getOffset(id);
  Object o = segment.myObjectArray.get(offset);
  if (o == null) return null;

  if (o == ourDeadMarker) {
    throw reportDeadFileAccess(new VirtualFileImpl(id, segment, parent));
  }
  final int nameId = segment.getNameId(id);
  if (nameId <= 0) {
    FSRecords.invalidateCaches();
    throw new AssertionError("nameId=" + nameId + "; data=" + o + "; parent=" + parent + "; parent.id=" + parent.getId() + "; db.parent=" + FSRecords.getParent(id));
  }

  return o instanceof DirectoryData ? new VirtualDirectoryImpl(id, segment, (DirectoryData)o, parent, parent.getFileSystem())
                                    : new VirtualFileImpl(id, segment, parent);
}

项目：consulo 文件：JarHandler.java

private File getMirrorFile(@Nonnull File originalFile) {
  if (!myFileSystem.isMakeCopyOfJar(originalFile)) return originalFile;

  final FileAttributes originalAttributes = FileSystemUtil.getAttributes(originalFile);
  if (originalAttributes == null) return originalFile;

  final String folderPath = getJarsDir();
  if (!new File(folderPath).exists() && !new File(folderPath).mkdirs()) {
    return originalFile;
  }

  if (FSRecords.weHaveContentHashes) {
    return getMirrorWithContentHash(originalFile, originalAttributes);
  }

  final String mirrorName = originalFile.getName() + "." + Integer.toHexString(originalFile.getPath().hashCode());
  final File mirrorFile = new File(folderPath, mirrorName);
  final FileAttributes mirrorAttributes = FileSystemUtil.getAttributes(mirrorFile);
  return mirrorDiffers(originalAttributes, mirrorAttributes, false) ? copyToMirror(originalFile, mirrorFile) : mirrorFile;
}

项目：consulo 文件：LoadAllVfsStoredContentsAction.java

public boolean processFile(NewVirtualFile file) {
  if (file.isDirectory() || file.is(VFileProperty.SPECIAL)) return true;
  try {
    DataInputStream stream = FSRecords.readContent(file.getId());
    if (stream == null) return true;
    byte[] bytes = FileUtil.loadBytes(stream);
    totalSize.addAndGet(bytes.length);
    count.incrementAndGet();

    ProgressManager.getInstance().getProgressIndicator().setText(file.getPresentableUrl());
  }
  catch (IOException e1) {
    LOG.error(e1);
  }
  return true;
}

项目：consulo 文件：StubUpdatingIndex.java

@Override
public boolean isIndexedStateForFile(int fileId, @Nonnull VirtualFile file) {
  boolean indexedStateForFile = super.isIndexedStateForFile(fileId, file);
  if (!indexedStateForFile) return false;

  try {
    DataInputStream stream = FSRecords.readAttributeWithLock(fileId, VERSION_STAMP);
    int diff = stream != null ? DataInputOutputUtil.readINT(stream) : 0;
    if (diff == 0) return false;
    FileType fileType = myStubVersionMap.getFileTypeByIndexingTimestampDiff(diff);
    return fileType != null && myStubVersionMap.getStamp(file.getFileType()) == myStubVersionMap.getStamp(fileType);
  }
  catch (IOException e) {
    LOG.error(e);
    return false;
  }
}

项目：consulo 文件：IndexingStamp.java

public static boolean versionDiffers(@Nonnull File versionFile, final int currentIndexVersion) {
  try {
    ourLastStamp = Math.max(ourLastStamp, versionFile.lastModified());
    final DataInputStream in = new DataInputStream(new BufferedInputStream(new FileInputStream(versionFile)));
    try {
      final int savedIndexVersion = DataInputOutputUtil.readINT(in);
      final int commonVersion = DataInputOutputUtil.readINT(in);
      final long vfsCreationStamp = DataInputOutputUtil.readTIME(in);
      return savedIndexVersion != currentIndexVersion ||
             commonVersion != VERSION ||
             vfsCreationStamp != FSRecords.getCreationTimestamp()
              ;

    }
    finally {
      in.close();
    }
  }
  catch (IOException e) {
    return true;
  }
}

项目：consulo 文件：IndexingStamp.java

private static Timestamps createOrGetTimeStamp(int id) {
  boolean isValid = id > 0;
  if (!isValid) {
    id = -id;
  }
  Timestamps timestamps = myTimestampsCache.get(id);
  if (timestamps == null) {
    final DataInputStream stream = FSRecords.readAttributeWithLock(id, Timestamps.PERSISTENCE);
    try {
      timestamps = new Timestamps(stream);
    }
    catch (IOException e) {
      throw new RuntimeException(e);
    }
    if (isValid) myTimestampsCache.put(id, timestamps);
  }
  return timestamps;
}

项目：intellij-ce-playground 文件：TempFileSystem.java

@Override
public void deleteFile(final Object requestor, @NotNull final VirtualFile file) throws IOException {
  final FSItem fsItem = convert(file);
  if (fsItem == null) {
    FSRecords.invalidateCaches();
    throw new IllegalStateException("failed to delete file " + file.getPath());
  }
  fsItem.getParent().removeChild(fsItem);
}

项目：intellij-ce-playground 文件：IndexingStamp.java

public static void flushCache(@Nullable Integer finishedFile) {
  if (finishedFile != null && finishedFile == INVALID_FILE_ID) finishedFile = 0;
  // todo make better (e.g. FinishedFiles striping, remove integers)
  while (finishedFile == null || !ourFinishedFiles.offer(finishedFile)) {
    List<Integer> files = new ArrayList<Integer>(ourFinishedFiles.size());
    ourFinishedFiles.drainTo(files);

    if (!files.isEmpty()) {
      for (Integer file : files) {
        Lock writeLock = getStripedLock(file).writeLock();
        writeLock.lock();
        try {
          Timestamps timestamp = myTimestampsCache.remove(file);
          if (timestamp == null) continue;

          if (timestamp.isDirty() /*&& file.isValid()*/) {
            final DataOutputStream sink = FSRecords.writeAttribute(file, Timestamps.PERSISTENCE);
            timestamp.writeToStream(sink);
            sink.close();
          }
        } catch (IOException e) {
          throw new RuntimeException(e);
        } finally {
          writeLock.unlock();
        }
      }
    }
    if (finishedFile == null) break;
    // else repeat until ourFinishedFiles.offer() succeeds
  }
}

项目：tools-idea 文件：TranslatingCompilerFilesMonitor.java

private int getProjectId(Project project) {
  try {
    return FSRecords.getNames().enumerate(CompilerPaths.getCompilerSystemDirectoryName(project));
  }
  catch (IOException e) {
    LOG.info(e);
  }
  return -1;
}

项目：tools-idea 文件：TranslatingCompilerFilesMonitor.java

private int getModuleId(Module module) {
  try {
    return FSRecords.getNames().enumerate(module.getName().toLowerCase(Locale.US));
  }
  catch (IOException e) {
    LOG.info(e);
  }
  return -1;
}

项目：tools-idea 文件：TranslatingCompilerFilesMonitor.java

String getSourceFilePath() {
  try {
    return FSRecords.getNames().valueOf(mySourcePath);
  }
  catch (IOException e) {
    LOG.info(e);
  }
  return null;
}

项目：tools-idea 文件：TranslatingCompilerFilesMonitor.java

@Nullable
public String getClassName() {
  try {
    return myClassName < 0? null : FSRecords.getNames().valueOf(myClassName);
  }
  catch (IOException e) {
    LOG.info(e);
  }
  return null;
}

项目：tools-idea 文件：TranslatingCompilerFilesMonitor.java

private void addOutputPath(final int projectId, String outputPath) {
  try {
    addOutputPath(projectId, FSRecords.getNames().enumerate(outputPath));
  }
  catch (IOException e) {
    LOG.info(e);
  }
}

项目：tools-idea 文件：TempFileSystem.java

@Override
public void deleteFile(final Object requestor, @NotNull final VirtualFile file) throws IOException {
  final FSItem fsItem = convert(file);
  if (fsItem == null) {
    FSRecords.invalidateCaches();
    throw new IllegalStateException("failed to delete file " + file.getPath());
  }
  fsItem.getParent().removeChild(fsItem);
}

项目：tools-idea 文件：FileNameCache.java

@NotNull
private static IntObjectLinkedMap.MapEntry<Object> getEntry(int id) {
  final int stripe = id % ourNameCache.length;
  synchronized (ourNameCache[stripe]) {
    IntObjectLinkedMap.MapEntry<Object> entry = ourNameCache[stripe].getCachedEntry(id);
    if (entry != null) {
      return entry;
    }
  }

  return cacheData(FSRecords.getNameByNameId(id), id);
}

项目：tools-idea 文件：JarHandler.java

@Override
public File getMirrorFile(@NotNull File originalFile) {
  if (!myFileSystem.isMakeCopyOfJar(originalFile)) return originalFile;

  final FileAttributes originalAttributes = FileSystemUtil.getAttributes(originalFile);
  if (originalAttributes == null) return originalFile;

  final String folderPath = getJarsDir();
  if (!new File(folderPath).exists() && !new File(folderPath).mkdirs()) {
    return originalFile;
  }

  if (FSRecords.weHaveContentHashes) {
    return getMirrorWithContentHash(originalFile, originalAttributes);
  }

  final String mirrorName = originalFile.getName() + "." + Integer.toHexString(originalFile.getPath().hashCode());
  final File mirrorFile = new File(folderPath, mirrorName);
  final FileAttributes mirrorAttributes = FileSystemUtil.getAttributes(mirrorFile);

  if (mirrorAttributes == null ||
      originalAttributes.length != mirrorAttributes.length ||
      Math.abs(originalAttributes.lastModified - mirrorAttributes.lastModified) > FS_TIME_RESOLUTION) {
    return copyToMirror(originalFile, mirrorFile);
  }

  return mirrorFile;
}

项目：tools-idea 文件：InvalidateCachesAction.java

public void actionPerformed(AnActionEvent e) {
  final ApplicationEx app = (ApplicationEx)ApplicationManager.getApplication();
  final boolean mac = Messages.canShowMacSheetPanel();
  boolean canRestart = app.isRestartCapable();

  String[] options = new String[canRestart ? 4 : 3];
  options[0] = canRestart ? "Invalidate and Restart" : "Invalidate and Exit";
  options[1] = mac ? "Cancel" : "Invalidate";
  options[2] = mac ? "Invalidate" : "Cancel";
  if (canRestart) {
    options[3] = "Just Restart";
  }

  int result = Messages.showDialog(e.getData(PlatformDataKeys.PROJECT),
                                   "The caches will be invalidated and rebuilt on the next startup.\n" +
                                   "WARNING: Local History will be also cleared.\n\n" +
                                   "Would you like to continue?\n\n",
                                   "Invalidate Caches",
                                   options, 0,
                                   Messages.getWarningIcon());

  if (result == -1 || result == (mac ? 1 : 2)) {
    return;
  }

  if (result == 3) {
    app.restart(true);
    return;
  }

  FSRecords.invalidateCaches();
  if (result == 0) app.restart(true);
}

项目：consulo 文件：TranslatingCompilerFilesMonitorImpl.java

private int getProjectId(Project project) {
  try {
    return FSRecords.getNames().enumerate(CompilerPaths.getCompilerSystemDirectoryName(project));
  }
  catch (IOException e) {
    LOG.info(e);
  }
  return -1;
}

项目：consulo 文件：TranslatingCompilerFilesMonitorImpl.java

private int getModuleId(Module module) {
  try {
    return FSRecords.getNames().enumerate(module.getName().toLowerCase(Locale.US));
  }
  catch (IOException e) {
    LOG.info(e);
  }
  return -1;
}

项目：consulo 文件：TranslatingCompilerFilesMonitorImpl.java

String getSourceFilePath() {
  try {
    return FSRecords.getNames().valueOf(mySourcePath);
  }
  catch (IOException e) {
    LOG.info(e);
  }
  return null;
}

项目：consulo 文件：TranslatingCompilerFilesMonitorImpl.java

@Nullable
public String getClassName() {
  try {
    return myClassName < 0 ? null : FSRecords.getNames().valueOf(myClassName);
  }
  catch (IOException e) {
    LOG.info(e);
  }
  return null;
}

项目：consulo 文件：TranslatingCompilerFilesMonitorImpl.java

private void addOutputPath(final int projectId, String outputPath) {
  try {
    addOutputPath(projectId, FSRecords.getNames().enumerate(outputPath));
  }
  catch (IOException e) {
    LOG.info(e);
  }
}

项目：consulo 文件：TempFileSystem.java

@Override
public void deleteFile(final Object requestor, @Nonnull final VirtualFile file) throws IOException {
  final FSItem fsItem = convert(file);
  if (fsItem == null) {
    FSRecords.invalidateCaches();
    throw new IllegalStateException("failed to delete file " + file.getPath());
  }
  fsItem.getParent().removeChild(fsItem);
}

项目：consulo 文件：JarHandler.java

private static void saveVersion(File versionFile) {
  try {
    DataOutputStream versionOutputStream = new DataOutputStream(new BufferedOutputStream(new FileOutputStream(versionFile)));
    try {
      DataInputOutputUtil.writeINT(versionOutputStream, VERSION);
      DataInputOutputUtil.writeTIME(versionOutputStream, FSRecords.getCreationTimestamp());
    }
    finally {
      versionOutputStream.close();
    }
  }
  catch (IOException ignore) {
  }
}

项目：consulo 文件：StubUpdatingIndex.java

@Override
public void setIndexedStateForFile(int fileId, @Nonnull VirtualFile file) {
  super.setIndexedStateForFile(fileId, file);

  try {
    DataOutputStream stream = FSRecords.writeAttribute(fileId, VERSION_STAMP);
    DataInputOutputUtil.writeINT(stream, myStubVersionMap.getIndexingTimestampDiffForFileType(file.getFileType()));
    stream.close();
  }
  catch (IOException e) {
    LOG.error(e);
  }
}

项目：consulo 文件：IndexingStamp.java

public static void flushCache(@Nullable Integer finishedFile) {
  if (finishedFile != null && finishedFile == INVALID_FILE_ID) finishedFile = 0;
  // todo make better (e.g. FinishedFiles striping, remove integers)
  while (finishedFile == null || !ourFinishedFiles.offer(finishedFile)) {
    List<Integer> files = new ArrayList<Integer>(ourFinishedFiles.size());
    ourFinishedFiles.drainTo(files);

    if (!files.isEmpty()) {
      for (Integer file : files) {
        Lock writeLock = getStripedLock(file).writeLock();
        writeLock.lock();
        try {
          Timestamps timestamp = myTimestampsCache.remove(file);
          if (timestamp == null) continue;

          if (timestamp.isDirty() /*&& file.isValid()*/) {
            final DataOutputStream sink = FSRecords.writeAttribute(file, Timestamps.PERSISTENCE);
            timestamp.writeToStream(sink);
            sink.close();
          }
        } catch (IOException e) {
          throw new RuntimeException(e);
        } finally {
          writeLock.unlock();
        }
      }
    }
    if (finishedFile == null) break;
    // else repeat until ourFinishedFiles.offer() succeeds
  }
}

项目：intellij-ce-playground 文件：RefResolveServiceImpl.java

public RefResolveServiceImpl(final Project project,
                             final MessageBus messageBus,
                             final PsiManager psiManager,
                             StartupManager startupManager,
                             ApplicationEx application,
                             ProjectFileIndex projectFileIndex) throws IOException {
  super(project);
  ((FutureTask)resolveProcess).run();
  myApplication = application;
  myProjectFileIndex = projectFileIndex;
  if (ENABLED) {
    log = new FileWriter(new File(getStorageDirectory(), "log.txt"));

    File dataFile = new File(getStorageDirectory(), "data");
    fileIsResolved = ConcurrentBitSet.readFrom(new File(getStorageDirectory(), "bitSet"));
    log("Read resolved file bitset: " + fileIsResolved);

    int maxId = FSRecords.getMaxId();
    PersistentIntList list = new PersistentIntList(dataFile, dataFile.exists() ? 0 : maxId);
    if (list.getSize() == maxId) {
      storage = list;
    }
    else {
      // just to be safe, re-resolve all if VFS files count changes since last restart
      list.dispose();
      storage = new PersistentIntList(dataFile, maxId);
      log("VFS maxId changed: was "+list.getSize()+"; now: "+maxId+"; re-resolving everything");
      fileIsResolved.clear();
    }
    Disposer.register(this, storage);
    if (!application.isUnitTestMode()) {
      startupManager.runWhenProjectIsInitialized(new Runnable() {
        @Override
        public void run() {
          initListeners(messageBus, psiManager);
          startThread();
        }
      });
    }
    Disposer.register(this, new Disposable() {
      @Override
      public void dispose() {
        try {
          save();
          log.close();
        }
        catch (IOException e) {
          LOG.error(e);
        }
      }
    });
  }
  else {
    log = null;
    fileIsResolved = null;
    storage = null;
  }
}

项目：intellij-ce-playground 文件：FileNameCache.java

public static int storeName(@NotNull String name) {
  final int idx = FSRecords.getNameId(name);
  cacheData(name, idx, calcStripeIdFromNameId(idx));
  return idx;
}

项目：intellij-ce-playground 文件：DumpVfsInfoForExcludedFilesAction.java

private static void dumpChildrenInDbRecursively(VirtualFile dir, int depth) {
  if (!(dir instanceof NewVirtualFile)) {
    System.out.println(dir.getPresentableUrl() + ": not in db (" + dir.getClass().getName() + ")");
    return;
  }

  List<VirtualFile> dirs = new ArrayList<VirtualFile>();
  int inDb = 0, contentInDb = 0, nullChildren = 0;
  PersistentFS persistentFS = PersistentFS.getInstance();
  if (persistentFS.wereChildrenAccessed(dir)) {
    for (String name : persistentFS.listPersisted(dir)) {
      inDb++;
      NewVirtualFile child = ((NewVirtualFile)dir).refreshAndFindChild(name);
      if (child == null) {
        nullChildren++;
        continue;
      }
      if (child.isDirectory()) {
        dirs.add(child);
      }
      else if (FSRecords.getContentId(child.getId()) != 0) {
        contentInDb++;
      }
    }
  }
  System.out.print(dir.getPresentableUrl() + ": " + inDb + " children in db");
  if (contentInDb > 0) {
    System.out.print(", content of " + contentInDb + " files in db");
  }
  if (nullChildren > 0) {
    System.out.print(", " + nullChildren + " invalid files in db");
  }
  System.out.println();

  if (depth > 10) {
    System.out.println("too deep, skipping children");
  }
  else {
    for (VirtualFile childDir : dirs) {
      dumpChildrenInDbRecursively(childDir, depth+1);
    }
  }
}

项目：tools-idea 文件：TranslatingCompilerFilesMonitor.java

OutputFileInfo(final String sourcePath, @Nullable String className) throws IOException {
  final PersistentStringEnumerator symtable = FSRecords.getNames();
  mySourcePath = symtable.enumerate(sourcePath);
  myClassName = className != null? symtable.enumerate(className) : -1;
}