Examples of org.apache.jmeter.util.Calculator

org.apache.jmeter.util.Calculator
Class to calculate various items that don't require all previous results to be saved: - mean = average - standard deviation - minimum - maximum

            
            // Check the sample times
            assertEquals(sampleWithSubResultsTime + sample1Time + sample2Time, totalTime);
            
            // Check that calculator gets the correct statistics from the sample
            Calculator calculator = new Calculator();
            calculator.addSample(resWithSubResults);
            assertEquals(600, calculator.getTotalBytes());
            assertEquals(1, calculator.getCount());
            assertEquals(1d / (totalTime / 1000d), calculator.getRate(),0.0001d); // Allow for some margin of error
            // Check that the throughput uses the time elapsed for the sub results
            assertFalse(1d / (sampleWithSubResultsTime / 1000d) <= calculator.getRate());
        }

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  public String getLabelResource() {
    return "summary_report";  //$NON-NLS-1$
  }


  public void add(SampleResult res) {
    Calculator row = null;
    synchronized (tableRows) {
      row = (Calculator) tableRows.get(res.getSampleLabel());
      if (row == null) {
        row = new Calculator(res.getSampleLabel());
        tableRows.put(row.getLabel(), row);
        model.insertRow(row, model.getRowCount() - 1);
      }
    }
    row.addSample(res);
    Calculator tot = ((Calculator) tableRows.get(TOTAL_ROW_LABEL));
        tot.addSample(res);
    model.fireTableDataChanged();
  }

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   * Clears this visualizer and its model, and forces a repaint of the table.
   */
  public void clearData() {
    model.clearData();
    tableRows.clear();
    tableRows.put(TOTAL_ROW_LABEL, new Calculator(TOTAL_ROW_LABEL));
    model.addRow(tableRows.get(TOTAL_ROW_LABEL));
  }

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            if (totalTime > overallTime+3) {
                fail("Total: "+totalTime+" > 3 + overall time: "+ overallTime);
            }
            
            // Check that calculator gets the correct statistics from the sample
            Calculator calculator = new Calculator();
            calculator.addSample(resWithSubResults);
            assertEquals(600, calculator.getTotalBytes());
            assertEquals(1, calculator.getCount());
            assertEquals(1d / (totalTime / 1000d), calculator.getRate(),0.0001d); // Allow for some margin of error
            // Check that the throughput uses the time elapsed for the sub results
            assertFalse(1d / (sampleWithSubResultsTime / 1000d) <= calculator.getRate());
        }

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  public String getLabelResource() {
    return "summary_report";  //$NON-NLS-1$
  }


  public void add(SampleResult res) {
    Calculator row = null;
    synchronized (tableRows) {
      row = (Calculator) tableRows.get(res.getSampleLabel());
      if (row == null) {
        row = new Calculator(res.getSampleLabel());
        tableRows.put(row.getLabel(), row);
        model.insertRow(row, model.getRowCount() - 1);
      }
    }
    row.addSample(res);
    Calculator tot = ((Calculator) tableRows.get(TOTAL_ROW_LABEL));
        tot.addSample(res);
    model.fireTableDataChanged();
  }

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   * Clears this visualizer and its model, and forces a repaint of the table.
   */
  public void clearData() {
    model.clearData();
    tableRows.clear();
    tableRows.put(TOTAL_ROW_LABEL, new Calculator(TOTAL_ROW_LABEL));
    model.addRow(tableRows.get(TOTAL_ROW_LABEL));
  }

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            if (totalTime > overallTime) {
              fail("Total: "+totalTime+" > overall time: "+ overallTime);
            }
            
            // Check that calculator gets the correct statistics from the sample
            Calculator calculator = new Calculator();
            calculator.addSample(resWithSubResults);
            assertEquals(600, calculator.getTotalBytes());
            assertEquals(1, calculator.getCount());
            assertEquals(1d / (totalTime / 1000d), calculator.getRate(),0.0001d); // Allow for some margin of error
            // Check that the throughput uses the time elapsed for the sub results
            assertFalse(1d / (sampleWithSubResultsTime / 1000d) <= calculator.getRate());
        }

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    public void add(final SampleResult res) {
        final String sampleLabel = res.getSampleLabel(useGroupName.isSelected());
        JMeterUtils.runSafe(new Runnable() {
            @Override
            public void run() {
                Calculator row = null;
                synchronized (lock) {
                    row = tableRows.get(sampleLabel);
                    if (row == null) {
                        row = new Calculator(sampleLabel);
                        tableRows.put(row.getLabel(), row);
                        model.insertRow(row, model.getRowCount() - 1);
                    }
                }
                /*
                 * Synch is needed because multiple threads can update the counts.
                 */
                synchronized(row) {
                    row.addSample(res);
                }
                Calculator tot = tableRows.get(TOTAL_ROW_LABEL);
                synchronized(tot) {
                    tot.addSample(res);
                }
                model.fireTableDataChanged();                
            }
        });
    }

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    public void clearData() {
        //Synch is needed because a clear can occur while add occurs
        synchronized (lock) {
            model.clearData();
            tableRows.clear();
            tableRows.put(TOTAL_ROW_LABEL, new Calculator(TOTAL_ROW_LABEL));
            model.addRow(tableRows.get(TOTAL_ROW_LABEL));
        }
    }

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