How to use

BlobStore

in

org.apache.flink.runtime.blob

final boolean deletedHA = !cleanupBlobStoreFiles || blobStore.deleteAll(jobId);

try {
  blobStore.get(requiredBlob, localFile);

blobStore.put(storageFile, jobId, blobKey);

  blobStore.delete(key);
} finally {
  writeLock.unlock();
  blobStore.delete(jobID, key);
} finally {
  writeLock.unlock();
  blobStore.deleteAll(jobID);
} finally {
  writeLock.unlock();

/**
 * This method deletes the file associated to the blob key if it exists in the local storage
 * of the blob server.
 *
 * @param key associated with the file to be deleted
 * @throws IOException
 */
@Override
public void delete(BlobKey key) throws IOException {
  final File localFile = BlobUtils.getStorageLocation(storageDir, key);
  readWriteLock.writeLock().lock();
  try {
    if (localFile.exists()) {
      if (!localFile.delete()) {
        LOG.warn("Failed to delete locally BLOB " + key + " at " + localFile.getAbsolutePath());
      }
    }
    blobStore.delete(key);
  } finally {
    readWriteLock.writeLock().unlock();
  }
}

try {
  incomingFile = createTemporaryFilename();
  blobStore.get(jobId, blobKey, incomingFile);

blobStore.put(storageFile, jobId, blobKey);

final boolean deletedHA = !cleanupBlobStoreFiles || blobStore.deleteAll(jobId);

try {
  incomingFile = createTemporaryFilename();
  blobStore.get(jobId, blobKey, incomingFile);

blobStore.put(storageFile, jobId, blobKey);

final boolean deletedHA = !cleanupBlobStoreFiles || blobStore.deleteAll(jobId);

try {
  incomingFile = createTemporaryFilename();
  blobStore.get(jobId, blobKey, incomingFile);

blobStore.put(storageFile, jobID, key);
blobStore.put(storageFile, blobKey);

} else {
  if (contentAddressable == NAME_ADDRESSABLE) {
    blobStore.get(jobId, key, blobFile);
  } else if (contentAddressable == CONTENT_ADDRESSABLE) {
    blobStore.get(blobKey, blobFile);
  } else {
    throw new IOException("Unknown type of BLOB addressing: " + contentAddressable + '.');