How to use

getBlockIds

method

in

alluxio.wire.FileInfo

/**
 * @return a list of block ids belonging to the file, empty for directories, immutable
 */
public List<Long> getBlockIds() {
 return mInfo.getBlockIds();
}

/**
 * Tests the {@link FileSystemMaster#getNewBlockIdForFile(AlluxioURI)} method.
 */
@Test
public void getNewBlockIdForFile() throws Exception {
 mFileSystemMaster.createFile(NESTED_FILE_URI, mNestedFileContext);
 long blockId = mFileSystemMaster.getNewBlockIdForFile(NESTED_FILE_URI);
 FileInfo fileInfo = mFileSystemMaster.getFileInfo(NESTED_FILE_URI, GET_STATUS_CONTEXT);
 assertEquals(Lists.newArrayList(blockId), fileInfo.getBlockIds());
}

/**
 * Tests that lost files can successfully be detected.
 */
@Test
public void lostFilesDetection() throws Exception {
 createFileWithSingleBlock(NESTED_FILE_URI);
 long fileId = mFileSystemMaster.getFileId(NESTED_FILE_URI);
 FileInfo fileInfo = mFileSystemMaster.getFileInfo(fileId);
 mBlockMaster.reportLostBlocks(fileInfo.getBlockIds());
 assertEquals(PersistenceState.NOT_PERSISTED.name(), fileInfo.getPersistenceState());
 // Check with getPersistenceState.
 assertEquals(PersistenceState.NOT_PERSISTED,
   mFileSystemMaster.getPersistenceState(fileId));
 // run the detector
 HeartbeatScheduler.execute(HeartbeatContext.MASTER_LOST_FILES_DETECTION);
 fileInfo = mFileSystemMaster.getFileInfo(fileId);
 assertEquals(PersistenceState.LOST.name(), fileInfo.getPersistenceState());
 // Check with getPersistenceState.
 assertEquals(PersistenceState.LOST, mFileSystemMaster.getPersistenceState(fileId));
}

.setFolder(fileInfo.isFolder()).setPinned(fileInfo.isPinned())
.setCacheable(fileInfo.isCacheable()).setPersisted(fileInfo.isPersisted())
.addAllBlockIds(fileInfo.getBlockIds())
.setLastModificationTimeMs(fileInfo.getLastModificationTimeMs()).setTtl(fileInfo.getTtl())
.setOwner(fileInfo.getOwner()).setGroup(fileInfo.getGroup()).setMode(fileInfo.getMode())

 /**
  * Tests the {@link MutableInodeDirectory#generateClientFileInfo(String)} method.
  */
 @Test
 public void generateClientFileInfo() {
  MutableInodeDirectory inodeDirectory = createInodeDirectory();
  String path = "/test/path";
  FileInfo info = inodeDirectory.generateClientFileInfo(path);
  Assert.assertEquals(inodeDirectory.getId(), info.getFileId());
  Assert.assertEquals(inodeDirectory.getName(), info.getName());
  Assert.assertEquals(path, info.getPath());
  Assert.assertEquals("", info.getUfsPath());
  Assert.assertEquals(0, info.getLength());
  Assert.assertEquals(0, info.getBlockSizeBytes());
  Assert.assertEquals(inodeDirectory.getCreationTimeMs(), info.getCreationTimeMs());
  Assert.assertTrue(info.isCompleted());
  Assert.assertTrue(info.isFolder());
  Assert.assertEquals(inodeDirectory.isPinned(), info.isPinned());
  Assert.assertFalse(info.isCacheable());
  Assert.assertNotNull(info.getBlockIds());
  Assert.assertEquals(inodeDirectory.getLastModificationTimeMs(),
    info.getLastModificationTimeMs());
 }
}

/**
 * @return a list of block ids belonging to the file, empty for directories, immutable
 */
public List<Long> getBlockIds() {
 return mInfo.getBlockIds();
}

Assert.assertEquals(a.getBlockIds(), b.getBlockIds());
Assert.assertEquals(a.getBlockSizeBytes(), b.getBlockSizeBytes());
Assert.assertEquals(a.getCreationTimeMs(), b.getCreationTimeMs());

/**
 * @return a list of block ids belonging to the file, empty for directories, immutable
 */
public List<Long> getBlockIds() {
 return mInfo.getBlockIds();
}

FileInfo fileInfo = FileInfoTest.createRandom();
URIStatus uriStatus = new URIStatus(fileInfo);
Assert.assertEquals(uriStatus.getBlockIds(), fileInfo.getBlockIds());
Assert.assertEquals(uriStatus.getBlockSizeBytes(),
  fileInfo.getBlockSizeBytes());