Examples with OpenFileOptions alluxio.client.file.options.OpenFileOptions used on opensource projects

Example 11 with OpenFileOptions

use of alluxio.client.file.options.OpenFileOptions in project alluxio by Alluxio.

the class TieredStoreIntegrationTest method deleteWhileRead.

/**
   * Tests that deletes go through despite failing initially due to concurrent read.
   */
@Test
public void deleteWhileRead() throws Exception {
    HeartbeatScheduler.await(HeartbeatContext.WORKER_BLOCK_SYNC, 10, TimeUnit.SECONDS);
    AlluxioURI file = new AlluxioURI("/test1");
    FileSystemTestUtils.createByteFile(mFileSystem, file, WriteType.MUST_CACHE, MEM_CAPACITY_BYTES);
    HeartbeatScheduler.execute(HeartbeatContext.WORKER_BLOCK_SYNC);
    Assert.assertEquals(100, mFileSystem.getStatus(file).getInMemoryPercentage());
    // Open the file
    OpenFileOptions options = OpenFileOptions.defaults().setReadType(ReadType.CACHE);
    FileInStream in = mFileSystem.openFile(file, options);
    Assert.assertEquals(0, in.read());
    // Delete the file
    mFileSystem.delete(file);
    HeartbeatScheduler.execute(HeartbeatContext.WORKER_BLOCK_SYNC);
    // After the delete, the master should no longer serve the file
    Assert.assertFalse(mFileSystem.exists(file));
    // However, the previous read should still be able to read it as the data still exists
    byte[] res = new byte[MEM_CAPACITY_BYTES];
    Assert.assertEquals(MEM_CAPACITY_BYTES - 1, in.read(res, 1, MEM_CAPACITY_BYTES - 1));
    res[0] = 0;
    Assert.assertTrue(BufferUtils.equalIncreasingByteArray(MEM_CAPACITY_BYTES, res));
    in.close();
    HeartbeatScheduler.execute(HeartbeatContext.WORKER_BLOCK_SYNC);
    // After the file is closed, the master's delete should go through and new files can be created
    AlluxioURI newFile = new AlluxioURI("/test2");
    FileSystemTestUtils.createByteFile(mFileSystem, newFile, WriteType.MUST_CACHE, MEM_CAPACITY_BYTES);
    HeartbeatScheduler.execute(HeartbeatContext.WORKER_BLOCK_SYNC);
    Assert.assertEquals(100, mFileSystem.getStatus(newFile).getInMemoryPercentage());
}

Example 12 with OpenFileOptions

use of alluxio.client.file.options.OpenFileOptions in project alluxio by Alluxio.

the class BaseFileSystemTest method openFile.

/**
   * Tests for the {@link BaseFileSystem#openFile(AlluxioURI, OpenFileOptions)} method to
   * complete successfully.
   */
@Test
public void openFile() throws Exception {
    AlluxioURI file = new AlluxioURI("/file");
    URIStatus status = new URIStatus(new FileInfo());
    Mockito.when(mFileSystemMasterClient.getStatus(file)).thenReturn(status);
    OpenFileOptions openOptions = OpenFileOptions.defaults();
    mFileSystem.openFile(file, openOptions);
    Mockito.verify(mFileSystemMasterClient).getStatus(file);
}