How to use

getOldestElement

method

in

rocks.inspectit.server.cache.IBuffer

/**
 * Tests copy buffer action.
 */
@Test
public void copyBufferToStorage() throws IOException, SerializationException, BusinessException {
  storageData = new StorageData();
  storageData.setName("Test");
  DefaultData defaultData = mock(DefaultData.class);
  Timestamp timestamp = mock(Timestamp.class);
  when(defaultData.getTimeStamp()).thenReturn(timestamp);
  when(buffer.getOldestElement()).thenReturn(defaultData);
  List<DefaultData> data = Collections.singletonList(mock(DefaultData.class));
  Collection<AbstractDataProcessor> processors = Collections.singleton(mock(AbstractDataProcessor.class));
  Long platformId = 10L;
  List<Long> platformIdents = Collections.singletonList(platformId);
  storageManager = spy(storageManager);
  when(storageDataDao.getAllDefaultDataForAgent(eq(platformId), Matchers.<Date> any(), Matchers.<Date> any())).thenReturn(data);
  // first with no auto-finalize
  storageManager.copyBufferToStorage(storageData, platformIdents, processors, false);
  verify(storageDataDao, times(1)).getAllDefaultDataForAgent(eq(platformId), Matchers.<Date> any(), Matchers.<Date> any());
  verify(storageManager, times(1)).writeToStorage(storageData, data, processors, true);
  // first with auto-finalize
  storageManager.copyBufferToStorage(storageData, platformIdents, processors, true);
  verify(storageDataDao, times(2)).getAllDefaultDataForAgent(eq(platformId), Matchers.<Date> any(), Matchers.<Date> any());
  verify(storageManager, times(2)).writeToStorage(storageData, data, processors, true);
  assertThat(storageManager.isStorageClosed(storageData), is(true));
}

DefaultData oldestBufferElement = buffer.getOldestElement();

/**
 * {@inheritDoc}
 */
@Override
@MethodLog
public CmrStatusData getCmrStatusData() {
  // cmr status data should always report in bytes!
  CmrStatusData cmrStatusData = new CmrStatusData();
  cmrStatusData.setCurrentBufferSize(buffer.getCurrentSize());
  cmrStatusData.setMaxBufferSize(buffer.getMaxSize());
  DefaultData oldestElement = buffer.getOldestElement();
  if (null != oldestElement) {
    cmrStatusData.setBufferOldestElementDate(new Date(oldestElement.getTimeStamp().getTime()));
  }
  DefaultData newestElement = buffer.getNewestElement();
  if (null != newestElement) {
    cmrStatusData.setBufferNewestElementDate(new Date(newestElement.getTimeStamp().getTime()));
  }
  cmrStatusData.setStorageDataSpaceLeft(storageManager.getBytesHardDriveOccupancyLeft());
  cmrStatusData.setStorageMaxDataSpace(storageManager.getMaxBytesHardDriveOccupancy());
  cmrStatusData.setWarnSpaceLeftActive(storageManager.isSpaceWarnActive());
  cmrStatusData.setCanWriteMore(storageManager.canWriteMore());
  cmrStatusData.setUpTime(System.currentTimeMillis() - timeStarted);
  cmrStatusData.setDateStarted(dateStarted);
  cmrStatusData.setDatabaseSize(getDatabaseSize());
  for (IExternalService service : services) {
    cmrStatusData.getExternalServiceStatusMap().put(service.getServiceType(), service.getServiceStatus());
  }
  return cmrStatusData;
}