com.squareup.tape.QueueFile Java Examples

The following examples show how to use com.squareup.tape.QueueFile. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: FileBlobStore.java    From nexus-public with Eclipse Public License 1.0 6 votes vote down vote up
private void createEmptyDeletionsIndex(final File deletionsIndex) throws IOException {
  // copy a fresh index on top of existing index to avoid problems
  // with removing or renaming open files on Windows
  Path tempFile = Files.createTempFile(DELETIONS_FILENAME, "tmp");
  Files.delete(tempFile);
  try {
    new QueueFile(tempFile.toFile()).close();
    try (RandomAccessFile raf = new RandomAccessFile(deletionsIndex, "rw")) {
      raf.setLength(0);
      raf.write(Files.readAllBytes(tempFile));
    }
  }
  finally {
    Files.deleteIfExists(tempFile);
  }
}
 
Example #2
Source File: FileFragmentQueue.java    From datacollector with Apache License 2.0 6 votes vote down vote up
@Override
public List<Stage.ConfigIssue> init(Stage.Context context) {
  List<Stage.ConfigIssue> issues = new ArrayList<>();
  try {
    file = File.createTempFile("sdc-fragments", ".queueFile");
    if (!getFile().delete()) {
      issues.add(context.createConfigIssue("", "", Errors.FRAGMENT_CACHE_WRITER_00, getFile().getAbsolutePath()));
    }
    queueFile = new QueueFile(getFile());
    queueFileSize = new AtomicLong(0);
  } catch (IOException ex) {
    issues.add(context.createConfigIssue("", "", Errors.FRAGMENT_CACHE_WRITER_01, ex.toString()));
  }
  lostFragments = new AtomicInteger(0);
  return issues;
}
 
Example #3
Source File: FileBlobStoreTest.java    From nexus-public with Eclipse Public License 1.0 4 votes vote down vote up
private void checkDeletionsIndex(boolean expectEmpty) throws IOException {
  QueueFile queueFile = new QueueFile(underTest.getAbsoluteBlobDir().resolve("test-deletions.index").toFile());
  assertThat(queueFile.isEmpty(), is(expectEmpty));
  queueFile.close();
}
 
Example #4
Source File: FileFragmentQueue.java    From datacollector with Apache License 2.0 4 votes vote down vote up
private QueueFile getQueueFile() {
  return queueFile;
}
 
Example #5
Source File: FileBufferPersistWriter.java    From streams with Apache License 2.0 4 votes vote down vote up
@Override
public void prepare(Object configurationObject) {

  mapper = new ObjectMapper();

  File file = new File( config.getBuffer() );

  try {
    queueFile = new QueueFile(file);
  } catch (IOException ex) {
    ex.printStackTrace();
  }

  Preconditions.checkArgument(file.exists());
  Preconditions.checkArgument(file.canWrite());

  Objects.requireNonNull(queueFile);

  this.persistQueue  = new ConcurrentLinkedQueue<>();

}