Exemple #1
0
  /**
   * Pushes a host back onto the queue of available hosts and attempts to launch a waiting
   * experiment (if any).
   *
   * @param hostNum the index of the host to push back onto the queue of available hosts
   */
  protected synchronized void availableHost(int hostNum) {
    if (hostNum >= 0) {
      if (m_remoteHostFailureCounts[hostNum] < MAX_FAILURES) {
        m_remoteHostsQueue.push(new Integer(hostNum));
      } else {
        notifyListeners(
            false,
            true,
            false,
            "Max failures exceeded for host "
                + ((String) m_remoteHosts.elementAt(hostNum))
                + ". Removed from host list.");
        m_removedHosts++;
      }
    }

    // check for all sub exp complete or all hosts failed or failed count
    // exceeded
    if (m_failedCount == (MAX_FAILURES * m_remoteHosts.size())) {
      abortExperiment();
      notifyListeners(
          false, true, true, "Experiment aborted! Max failures " + "exceeded on all remote hosts.");
      return;
    }

    if ((getSplitByDataSet() && (m_baseExperiment.getDatasets().size() == m_finishedCount))
        || (getSplitByProperty() && (m_baseExperiment.getPropertyArrayLength() == m_finishedCount))
        || (!getSplitByDataSet()
            && !getSplitByProperty()
            && (getRunUpper() - getRunLower() + 1) == m_finishedCount)) {
      notifyListeners(false, true, false, "Experiment completed successfully.");
      notifyListeners(false, true, true, postExperimentInfo());
      return;
    }

    if (checkForAllFailedHosts()) {
      return;
    }

    if (m_experimentAborted
        && (m_remoteHostsQueue.size() + m_removedHosts) == m_remoteHosts.size()) {
      notifyListeners(false, true, true, "Experiment aborted. All remote tasks " + "finished.");
    }

    if (!m_subExpQueue.empty() && !m_experimentAborted) {
      if (!m_remoteHostsQueue.empty()) {
        int availHost, waitingExp;
        try {
          availHost = ((Integer) m_remoteHostsQueue.pop()).intValue();
          waitingExp = ((Integer) m_subExpQueue.pop()).intValue();
          launchNext(waitingExp, availHost);
        } catch (Exception ex) {
          ex.printStackTrace();
        }
      }
    }
  }
Exemple #2
0
  /**
   * Output an instance after filtering but do not remove from the output queue.
   *
   * @return the instance that has most recently been filtered (or null if the queue is empty).
   * @throws NullPointerException if no input structure has been defined
   */
  public Instance outputPeek() {

    if (m_OutputFormat == null) {
      throw new NullPointerException("No output instance format defined");
    }
    if (m_OutputQueue.empty()) {
      return null;
    }
    Instance result = (Instance) m_OutputQueue.peek();
    return result;
  }
Exemple #3
0
  /**
   * Signify that this batch of input to the filter is finished. If the filter requires all
   * instances prior to filtering, output() may now be called to retrieve the filtered instances.
   * Any subsequent instances filtered should be filtered based on setting obtained from the first
   * batch (unless the inputFormat has been re-assigned or new options have been set). This default
   * implementation assumes all instance processing occurs during inputFormat() and input().
   *
   * @return true if there are instances pending output
   * @throws NullPointerException if no input structure has been defined,
   * @throws Exception if there was a problem finishing the batch.
   */
  public boolean batchFinished() throws Exception {

    if (m_InputFormat == null) {
      throw new NullPointerException("No input instance format defined");
    }
    flushInput();
    m_NewBatch = true;
    m_FirstBatchDone = true;

    if (m_OutputQueue.empty()) {
      // Clear out references to old strings/relationals occasionally
      if ((m_OutputStringAtts.getAttributeIndices().length > 0)
          || (m_OutputRelAtts.getAttributeIndices().length > 0)) {
        m_OutputFormat = m_OutputFormat.stringFreeStructure();
        m_OutputStringAtts =
            new StringLocator(m_OutputFormat, m_OutputStringAtts.getAllowedIndices());
      }
    }

    return (numPendingOutput() != 0);
  }