Examples with MeanIndicator org.talend.dataquality.indicators.MeanIndicator used on opensource projects

Example 1 with MeanIndicator

use of org.talend.dataquality.indicators.MeanIndicator in project tdq-studio-se by Talend.

the class SummaryStastictisExplorerRealTest method testGetQueryMap.

/**
 * Test method for {@link org.talend.dq.analysis.explore.SummaryStastictisExplorer#getQueryMap()}.
 */
@Test
public void testGetQueryMap() {
    // testing code for SQL Engine here
    SummaryStastictisExplorer summaryExplorerSql = new SummaryStastictisExplorer();
    Analysis analysisReal = AnalysisFactory.eINSTANCE.createAnalysis();
    AnalysisParameters analysisParametersReal = AnalysisFactory.eINSTANCE.createAnalysisParameters();
    analysisParametersReal.setExecutionLanguage(ExecutionLanguage.SQL);
    analysisReal.setParameters(analysisParametersReal);
    AnalysisContext analysisContextReal = AnalysisFactory.eINSTANCE.createAnalysisContext();
    DataManager dataManagerReal = SoftwaredeploymentFactory.eINSTANCE.createDataManager();
    analysisContextReal.setConnection(dataManagerReal);
    analysisReal.setContext(analysisContextReal);
    summaryExplorerSql.setAnalysis(analysisReal);
    TdColumn tdColumnReal = org.talend.cwm.relational.RelationalFactory.eINSTANCE.createTdColumn();
    TdTable tdTableReal = org.talend.cwm.relational.RelationalFactory.eINSTANCE.createTdTable();
    // $NON-NLS-1$
    tdTableReal.setName("tableName");
    tdColumnReal.setOwner(tdTableReal);
    // $NON-NLS-1$
    tdColumnReal.setName("id");
    TdSqlDataType tdsqlReal = org.talend.cwm.relational.RelationalFactory.eINSTANCE.createTdSqlDataType();
    // $NON-NLS-1$
    tdsqlReal.setName("Integer");
    tdColumnReal.setSqlDataType(tdsqlReal);
    // test for MeanIndicator
    MeanIndicator meanIndicator = IndicatorsFactory.eINSTANCE.createMeanIndicator();
    meanIndicator.setAnalyzedElement(tdColumnReal);
    IndicatorDefinition meanIndicatorDef = DefinitionFactory.eINSTANCE.createIndicatorDefinition();
    meanIndicatorDef.setName("Mean");
    meanIndicator.setIndicatorDefinition(meanIndicatorDef);
    ChartDataEntity entityReal = new ChartDataEntity();
    // $NON-NLS-1$
    entityReal.setValue("0");
    entityReal.setIndicator(meanIndicator);
    summaryExplorerSql.setEnitty(entityReal);
    Map<String, String> queryMap = summaryExplorerSql.getQueryMap();
    Assert.assertTrue(queryMap.isEmpty());
    // test for MedianIndicator
    MedianIndicator medianIndicator = IndicatorsFactory.eINSTANCE.createMedianIndicator();
    medianIndicator.setAnalyzedElement(tdColumnReal);
    IndicatorDefinition medianIndicatorDef = DefinitionFactory.eINSTANCE.createIndicatorDefinition();
    medianIndicatorDef.setName("Median");
    medianIndicator.setIndicatorDefinition(medianIndicatorDef);
    entityReal.setIndicator(medianIndicator);
    summaryExplorerSql.setEnitty(entityReal);
    queryMap = summaryExplorerSql.getQueryMap();
    Assert.assertTrue(queryMap.size() == 1);
    // test for IQRIndicator
    MaxValueIndicator maxValueIndicator = IndicatorsFactory.eINSTANCE.createMaxValueIndicator();
    // $NON-NLS-1$
    maxValueIndicator.setValue("80");
    IndicatorDefinition maxValueIndicatorDef = DefinitionFactory.eINSTANCE.createIndicatorDefinition();
    maxValueIndicatorDef.setName("Maximum");
    maxValueIndicator.setIndicatorDefinition(maxValueIndicatorDef);
    MinValueIndicator minValueIndicator = IndicatorsFactory.eINSTANCE.createMinValueIndicator();
    // $NON-NLS-1$
    minValueIndicator.setValue("20");
    IndicatorDefinition minValueIndicatorDef = DefinitionFactory.eINSTANCE.createIndicatorDefinition();
    minValueIndicatorDef.setName("Minimum");
    minValueIndicator.setIndicatorDefinition(minValueIndicatorDef);
    IQRIndicator iqrIndicator = IndicatorsFactory.eINSTANCE.createIQRIndicator();
    iqrIndicator.setUpperValue(maxValueIndicator);
    iqrIndicator.setLowerValue(minValueIndicator);
    iqrIndicator.setAnalyzedElement(tdColumnReal);
    IndicatorDefinition iqrIndicatorDef = DefinitionFactory.eINSTANCE.createIndicatorDefinition();
    iqrIndicatorDef.setName("Inter Quartile Range");
    iqrIndicator.setIndicatorDefinition(iqrIndicatorDef);
    entityReal.setIndicator(iqrIndicator);
    summaryExplorerSql.setEnitty(entityReal);
    queryMap = summaryExplorerSql.getQueryMap();
    Assert.assertTrue(queryMap.size() == 2);
    // test for LowerQuartileIndicator
    LowerQuartileIndicator lowerQuartileIndicator = IndicatorsFactory.eINSTANCE.createLowerQuartileIndicator();
    lowerQuartileIndicator.setAnalyzedElement(tdColumnReal);
    IndicatorDefinition lowerQuartileIndicatorDef = DefinitionFactory.eINSTANCE.createIndicatorDefinition();
    lowerQuartileIndicatorDef.setName("Lower Quartile");
    lowerQuartileIndicator.setIndicatorDefinition(lowerQuartileIndicatorDef);
    entityReal.setIndicator(lowerQuartileIndicator);
    summaryExplorerSql.setEnitty(entityReal);
    queryMap = summaryExplorerSql.getQueryMap();
    Assert.assertTrue(queryMap.size() == 1);
    // test for UpperQuartileIndicator
    UpperQuartileIndicator upperQuartileIndicator = IndicatorsFactory.eINSTANCE.createUpperQuartileIndicator();
    upperQuartileIndicator.setAnalyzedElement(tdColumnReal);
    IndicatorDefinition upperQuartileIndicatorDef = DefinitionFactory.eINSTANCE.createIndicatorDefinition();
    upperQuartileIndicatorDef.setName("Upper Quartile");
    upperQuartileIndicator.setIndicatorDefinition(upperQuartileIndicatorDef);
    entityReal.setIndicator(upperQuartileIndicator);
    summaryExplorerSql.setEnitty(entityReal);
    queryMap = summaryExplorerSql.getQueryMap();
    Assert.assertTrue(queryMap.size() == 1);
    // test for RangeIndicator
    RangeIndicator rangeIndicator = IndicatorsFactory.eINSTANCE.createRangeIndicator();
    rangeIndicator.setUpperValue(maxValueIndicator);
    rangeIndicator.setLowerValue(minValueIndicator);
    rangeIndicator.setAnalyzedElement(tdColumnReal);
    IndicatorDefinition rangeIndicatorDef = DefinitionFactory.eINSTANCE.createIndicatorDefinition();
    rangeIndicatorDef.setName("Range");
    rangeIndicator.setIndicatorDefinition(rangeIndicatorDef);
    entityReal.setIndicator(rangeIndicator);
    summaryExplorerSql.setEnitty(entityReal);
    queryMap = summaryExplorerSql.getQueryMap();
    Assert.assertTrue(queryMap.size() == 2);
    // test for MinValueIndicator
    minValueIndicator.setAnalyzedElement(tdColumnReal);
    entityReal.setIndicator(minValueIndicator);
    summaryExplorerSql.setEnitty(entityReal);
    queryMap = summaryExplorerSql.getQueryMap();
    Assert.assertTrue(queryMap.size() == 1);
    // test for MaxValueIndicator
    maxValueIndicator.setAnalyzedElement(tdColumnReal);
    entityReal.setIndicator(maxValueIndicator);
    summaryExplorerSql.setEnitty(entityReal);
    queryMap = summaryExplorerSql.getQueryMap();
    Assert.assertTrue(queryMap.size() == 1);
    // testing code for Java Engine here
    analysisParametersReal.setExecutionLanguage(ExecutionLanguage.JAVA);
    analysisReal.setParameters(analysisParametersReal);
    summaryExplorerSql.setAnalysis(analysisReal);
    // test for MeanIndicator
    meanIndicator.setAnalyzedElement(tdColumnReal);
    entityReal.setIndicator(meanIndicator);
    summaryExplorerSql.setEnitty(entityReal);
    queryMap = summaryExplorerSql.getQueryMap();
    Assert.assertTrue(queryMap.isEmpty());
    // test for MedianIndicator
    medianIndicator.setAnalyzedElement(tdColumnReal);
    entityReal.setIndicator(medianIndicator);
    summaryExplorerSql.setEnitty(entityReal);
    queryMap = summaryExplorerSql.getQueryMap();
    Assert.assertTrue(queryMap.isEmpty());
    // test for IQRIndicator
    iqrIndicator.setAnalyzedElement(tdColumnReal);
    entityReal.setIndicator(iqrIndicator);
    summaryExplorerSql.setEnitty(entityReal);
    queryMap = summaryExplorerSql.getQueryMap();
    Assert.assertTrue(queryMap.isEmpty());
    // test for LowerQuartileIndicator
    lowerQuartileIndicator.setAnalyzedElement(tdColumnReal);
    entityReal.setIndicator(lowerQuartileIndicator);
    summaryExplorerSql.setEnitty(entityReal);
    queryMap = summaryExplorerSql.getQueryMap();
    Assert.assertTrue(queryMap.isEmpty());
    // test for UpperQuartileIndicator
    upperQuartileIndicator.setAnalyzedElement(tdColumnReal);
    entityReal.setIndicator(upperQuartileIndicator);
    summaryExplorerSql.setEnitty(entityReal);
    queryMap = summaryExplorerSql.getQueryMap();
    Assert.assertTrue(queryMap.isEmpty());
    // test for RangeIndicator
    rangeIndicator.setAnalyzedElement(tdColumnReal);
    entityReal.setIndicator(rangeIndicator);
    summaryExplorerSql.setEnitty(entityReal);
    queryMap = summaryExplorerSql.getQueryMap();
    Assert.assertTrue(queryMap.isEmpty());
    // test for MinValueIndicator
    minValueIndicator.setAnalyzedElement(tdColumnReal);
    entityReal.setIndicator(minValueIndicator);
    summaryExplorerSql.setEnitty(entityReal);
    queryMap = summaryExplorerSql.getQueryMap();
    Assert.assertTrue(queryMap.isEmpty());
    // test for MaxValueIndicator
    maxValueIndicator.setAnalyzedElement(tdColumnReal);
    entityReal.setIndicator(maxValueIndicator);
    summaryExplorerSql.setEnitty(entityReal);
    queryMap = summaryExplorerSql.getQueryMap();
    Assert.assertTrue(queryMap.isEmpty());
}

Example 2 with MeanIndicator

use of org.talend.dataquality.indicators.MeanIndicator in project tdq-studio-se by Talend.

the class IndicatorCommonUtil method getIndicatorValue.

public static Object getIndicatorValue(Indicator indicator) {
    Object value = null;
    IndicatorEnum type = IndicatorEnum.findIndicatorEnum(indicator.eClass());
    if (type != null) {
        try {
            if (type == IndicatorEnum.RangeIndicatorEnum || type == IndicatorEnum.IQRIndicatorEnum) {
                value = ((RangeIndicator) indicator).getRange();
                ((RangeIndicator) indicator).setComputed(true);
            } else if (indicator.isComputed()) {
                switch(type) {
                    case RowCountIndicatorEnum:
                        value = ((RowCountIndicator) indicator).getCount();
                        break;
                    case NullCountIndicatorEnum:
                        value = ((NullCountIndicator) indicator).getNullCount();
                        break;
                    case DistinctCountIndicatorEnum:
                        value = ((DistinctCountIndicator) indicator).getDistinctValueCount();
                        break;
                    case UniqueIndicatorEnum:
                        value = (((UniqueCountIndicator) indicator).getUniqueValueCount());
                        break;
                    case DuplicateCountIndicatorEnum:
                        value = ((DuplicateCountIndicator) indicator).getDuplicateValueCount();
                        break;
                    case BlankCountIndicatorEnum:
                        value = ((BlankCountIndicator) indicator).getBlankCount();
                        break;
                    case DefValueCountIndicatorEnum:
                        value = ((DefValueCountIndicator) indicator).getDefaultValCount();
                        break;
                    case MinLengthIndicatorEnum:
                        value = ((MinLengthIndicator) indicator).getLength();
                        break;
                    case MinLengthWithNullIndicatorEnum:
                        value = ((MinLengthWithNullIndicator) indicator).getLength();
                        break;
                    case MinLengthWithBlankIndicatorEnum:
                        value = ((MinLengthWithBlankIndicator) indicator).getLength();
                        break;
                    case MinLengthWithBlankNullIndicatorEnum:
                        value = ((MinLengthWithBlankNullIndicator) indicator).getLength();
                        break;
                    case MaxLengthIndicatorEnum:
                        value = ((MaxLengthIndicator) indicator).getLength();
                        break;
                    case MaxLengthWithNullIndicatorEnum:
                        value = ((MaxLengthWithNullIndicator) indicator).getLength();
                        break;
                    case MaxLengthWithBlankIndicatorEnum:
                        value = ((MaxLengthWithBlankIndicator) indicator).getLength();
                        break;
                    case MaxLengthWithBlankNullIndicatorEnum:
                        value = ((MaxLengthWithBlankNullIndicator) indicator).getLength();
                        break;
                    case AverageLengthIndicatorEnum:
                        value = ((AverageLengthIndicator) indicator).getAverageLength();
                        break;
                    case AverageLengthWithNullIndicatorEnum:
                        value = ((AvgLengthWithNullIndicator) indicator).getAverageLength();
                        break;
                    case AverageLengthWithBlankIndicatorEnum:
                        value = ((AvgLengthWithBlankIndicator) indicator).getAverageLength();
                        break;
                    case AverageLengthWithNullBlankIndicatorEnum:
                        value = ((AvgLengthWithBlankNullIndicator) indicator).getAverageLength();
                        break;
                    case FrequencyIndicatorEnum:
                    case DateFrequencyIndicatorEnum:
                    case WeekFrequencyIndicatorEnum:
                    case MonthFrequencyIndicatorEnum:
                    case QuarterFrequencyIndicatorEnum:
                    case YearFrequencyIndicatorEnum:
                    case BinFrequencyIndicatorEnum:
                    case LowFrequencyIndicatorEnum:
                    case DateLowFrequencyIndicatorEnum:
                    case WeekLowFrequencyIndicatorEnum:
                    case MonthLowFrequencyIndicatorEnum:
                    case QuarterLowFrequencyIndicatorEnum:
                    case YearLowFrequencyIndicatorEnum:
                    case BinLowFrequencyIndicatorEnum:
                    case PatternFreqIndicatorEnum:
                    case PatternLowFreqIndicatorEnum:
                    case EastAsiaPatternFreqIndicatorEnum:
                    case EastAsiaPatternLowFreqIndicatorEnum:
                    case DatePatternFreqIndicatorEnum:
                    case SoundexIndicatorEnum:
                    case SoundexLowIndicatorEnum:
                    case BenfordLawFrequencyIndicatorEnum:
                        value = handleFrequency(indicator);
                        break;
                    case MeanIndicatorEnum:
                        value = ((MeanIndicator) indicator).getMean();
                        break;
                    case MedianIndicatorEnum:
                        value = ((MedianIndicator) indicator).getMedian();
                        break;
                    case MinValueIndicatorEnum:
                        value = ((MinValueIndicator) indicator).getValue();
                        break;
                    case MaxValueIndicatorEnum:
                        value = ((MaxValueIndicator) indicator).getValue();
                        break;
                    case LowerQuartileIndicatorEnum:
                        value = ((LowerQuartileIndicator) indicator).getValue();
                        break;
                    case UpperQuartileIndicatorEnum:
                        value = ((UpperQuartileIndicator) indicator).getValue();
                        break;
                    case RegexpMatchingIndicatorEnum:
                    case SqlPatternMatchingIndicatorEnum:
                    case AllMatchIndicatorEnum:
                        value = handleMatchingValue(indicator);
                        break;
                    case ModeIndicatorEnum:
                        value = ((ModeIndicator) indicator).getMode();
                        break;
                    case UserDefinedIndicatorEnum:
                        value = handleUDIValue(indicator);
                        break;
                    case WhereRuleIndicatorEnum:
                        Long userCount = ((WhereRuleIndicator) indicator).getUserCount();
                        value = userCount == null ? 0 : userCount;
                        break;
                    // MOD qiongli 2011-7-21 feature 22362
                    case ValidPhoneCountIndicatorEnum:
                        value = ((ValidPhoneCountIndicator) indicator).getValidPhoneNumCount();
                        break;
                    case ValidRegCodeCountIndicatorEnum:
                        value = ((ValidRegCodeCountIndicator) indicator).getValidRegCount();
                        break;
                    case InvalidRegCodeCountIndicatorEnum:
                        value = ((InvalidRegCodeCountIndicator) indicator).getInvalidRegCount();
                        break;
                    case WellFormE164PhoneCountIndicatorEnum:
                        value = ((WellFormE164PhoneCountIndicator) indicator).getWellFormE164PhoneCount();
                        break;
                    case WellFormIntePhoneCountIndicatorEnum:
                        value = ((WellFormIntePhoneCountIndicator) indicator).getWellFormIntePhoneCount();
                        break;
                    case WellFormNationalPhoneCountIndicatorEnum:
                        value = ((WellFormNationalPhoneCountIndicator) indicator).getWellFormNatiPhoneCount();
                        break;
                    case PossiblePhoneCountIndicatorEnum:
                        value = ((PossiblePhoneCountIndicator) indicator).getPossiblePhoneCount();
                        break;
                    case FormatFreqPieIndictorEnum:
                        value = handleFreqPie(indicator);
                    default:
                }
                if (value == null || "null".equalsIgnoreCase(value.toString())) {
                    // $NON-NLS-1$
                    indicator.setComputed(false);
                }
            }
        } catch (Exception e) {
            // $NON-NLS-1$
            log.error(Messages.getString("IndicatorCommonUtil.FailValue", e.getMessage()), e);
        }
    }
    return value;
}

Example 3 with MeanIndicator

use of org.talend.dataquality.indicators.MeanIndicator in project tdq-studio-se by Talend.

the class IndicatorHelper method getIndicatorValue.

/**
 * DOC bZhou Comment method "getIndicatorValue".
 *
 * @param indicator
 * @return
 */
public static String getIndicatorValue(Indicator indicator) {
    IndicatorsSwitch<String> mySwitch = new IndicatorsSwitch<String>() {

        @Override
        public String caseAverageLengthIndicator(AverageLengthIndicator object) {
            return createStandardNumber(object.getAverageLength());
        }

        @Override
        public String caseBlankCountIndicator(BlankCountIndicator object) {
            return String.valueOf(object.getBlankCount());
        }

        @Override
        public String caseDefValueCountIndicator(DefValueCountIndicator object) {
            return String.valueOf(object.getDefaultValCount());
        }

        @Override
        public String caseDistinctCountIndicator(DistinctCountIndicator object) {
            return String.valueOf(object.getDistinctValueCount());
        }

        @Override
        public String caseDuplicateCountIndicator(DuplicateCountIndicator object) {
            return String.valueOf(object.getDuplicateValueCount());
        }

        @Override
        public String caseMaxLengthIndicator(MaxLengthIndicator object) {
            return String.valueOf(object.getLength());
        }

        @Override
        public String caseMeanIndicator(MeanIndicator object) {
            return createStandardNumber(object.getMean());
        }

        @Override
        public String caseMedianIndicator(MedianIndicator object) {
            return createStandardNumber(object.getMedian());
        }

        @Override
        public String caseMinLengthIndicator(MinLengthIndicator object) {
            return String.valueOf(object.getLength());
        }

        @Override
        public String caseModeIndicator(ModeIndicator object) {
            return String.valueOf(object.getMode());
        }

        @Override
        public String caseNullCountIndicator(NullCountIndicator object) {
            return String.valueOf(object.getNullCount());
        }

        @Override
        public String casePatternMatchingIndicator(PatternMatchingIndicator object) {
            return String.valueOf(object.getMatchingValueCount());
        }

        @Override
        public String caseRowCountIndicator(RowCountIndicator object) {
            return String.valueOf(object.getCount());
        }

        @Override
        public String caseUniqueCountIndicator(UniqueCountIndicator object) {
            return String.valueOf(object.getUniqueValueCount());
        }

        @Override
        public String caseValueIndicator(ValueIndicator object) {
            return object.getValue();
        }

        @Override
        public String caseValidPhoneCountIndicator(ValidPhoneCountIndicator object) {
            return String.valueOf(object.getValidPhoneNumCount());
        }

        @Override
        public String casePossiblePhoneCountIndicator(PossiblePhoneCountIndicator object) {
            return String.valueOf(object.getPossiblePhoneCount());
        }

        @Override
        public String caseValidRegCodeCountIndicator(ValidRegCodeCountIndicator object) {
            return String.valueOf(object.getValidRegCount());
        }

        @Override
        public String caseInvalidRegCodeCountIndicator(InvalidRegCodeCountIndicator object) {
            return String.valueOf(object.getInvalidRegCount());
        }

        @Override
        public String caseWellFormE164PhoneCountIndicator(WellFormE164PhoneCountIndicator object) {
            return String.valueOf(object.getWellFormE164PhoneCount());
        }

        @Override
        public String caseWellFormIntePhoneCountIndicator(WellFormIntePhoneCountIndicator object) {
            return String.valueOf(object.getWellFormIntePhoneCount());
        }

        @Override
        public String caseWellFormNationalPhoneCountIndicator(WellFormNationalPhoneCountIndicator object) {
            return String.valueOf(object.getWellFormNatiPhoneCount());
        }
    };
    // TDQ-11114: consider the UDI type
    IndicatorSqlSwitch<String> sqlSwitch = new IndicatorSqlSwitch<String>() {

        @Override
        public String caseWhereRuleIndicator(WhereRuleIndicator object) {
            return String.valueOf(object.getUserCount());
        }

        @Override
        public String caseUserDefIndicator(UserDefIndicator object) {
            // TDQ-11114: get the correct value for user define realvalue indicator
            if (object instanceof UserDefIndicator) {
                UserDefIndicator userDefineIndicator = object;
                IndicatorCategory category = IndicatorCategoryHelper.getCategory(userDefineIndicator.getIndicatorDefinition());
                if (IndicatorCategoryHelper.isUserDefRealValue(category)) {
                    return String.valueOf(userDefineIndicator.getRealValue());
                }
            }
            // TDQ-11485: fix the match udi get result value error
            return String.valueOf(object.getIntegerValue());
        }

        @Override
        public String caseJavaUserDefIndicator(JavaUserDefIndicator object) {
            return String.valueOf(object.getUserCount());
        }
    };
    String result = mySwitch.doSwitch(indicator);
    return result == null ? sqlSwitch.doSwitch(indicator) : result;
}

Example 4 with MeanIndicator

use of org.talend.dataquality.indicators.MeanIndicator in project tdq-studio-se by Talend.

the class BoxIndicatorImpl method basicSetMeanIndicator.

/**
 * <!-- begin-user-doc --> <!-- end-user-doc -->
 * @generated
 */
public NotificationChain basicSetMeanIndicator(MeanIndicator newMeanIndicator, NotificationChain msgs) {
    MeanIndicator oldMeanIndicator = meanIndicator;
    meanIndicator = newMeanIndicator;
    if (eNotificationRequired()) {
        ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, IndicatorsPackage.BOX_INDICATOR__MEAN_INDICATOR, oldMeanIndicator, newMeanIndicator);
        if (msgs == null)
            msgs = notification;
        else
            msgs.add(notification);
    }
    return msgs;
}

Example 5 with MeanIndicator

use of org.talend.dataquality.indicators.MeanIndicator in project tdq-studio-se by Talend.

the class IndicatorEvaluationMain method main.

/**
 * DOC scorreia Comment method "main".
 *
 * @param args
 */
public static void main(String[] args) {
    TypedProperties connectionParams = PropertiesLoader.getProperties(IndicatorEvaluator.class, "db.properties");
    String driverClassName = connectionParams.getProperty("driver");
    String dbUrl = connectionParams.getProperty("url");
    try {
        TimeTracer tt = new TimeTracer("Indicator evaluation", null);
        tt.start();
        // create connection
        Connection connection = ConnectionUtils.createConnection(dbUrl, driverClassName, connectionParams);
        String database = "test";
        String tableName = "my_test";
        // --- columns to analyze
        String[] columnsArray = new String[] { // 0
        "my_int", // 1
        "my_double", // 2
        "my_text", // 4
        "my_date", // 3
        "my_string", // 5
        "my_int_null" };
        List<String> columns = Arrays.asList(columnsArray);
        // store in file
        File file = new File("out/columnTest_0.1.ana");
        EMFUtil util = new EMFUtil();
        Resource resource = util.getResourceSet().createResource(URI.createFileURI(file.getAbsolutePath()));
        rContents = resource.getContents();
        evaluator.setConnection(connection);
        // --- create indicators
        RowCountIndicator rowCountIndicator = IndicatorsFactory.eINSTANCE.createRowCountIndicator();
        NullCountIndicator nullCountIndicator = IndicatorsFactory.eINSTANCE.createNullCountIndicator();
        DistinctCountIndicator distinctCountIndicator = IndicatorsFactory.eINSTANCE.createDistinctCountIndicator();
        DistinctCountIndicator distinctCountIndicator2 = IndicatorsFactory.eINSTANCE.createDistinctCountIndicator();
        UniqueCountIndicator uniqueCountIndicator = IndicatorsFactory.eINSTANCE.createUniqueCountIndicator();
        DuplicateCountIndicator duplicateCountIndicator = IndicatorsFactory.eINSTANCE.createDuplicateCountIndicator();
        BlankCountIndicator blankCountIndicator = IndicatorsFactory.eINSTANCE.createBlankCountIndicator();
        MinLengthIndicator minLengthIndicator = IndicatorsFactory.eINSTANCE.createMinLengthIndicator();
        MaxLengthIndicator maxLengthIndicator = IndicatorsFactory.eINSTANCE.createMaxLengthIndicator();
        AverageLengthIndicator averageLengthIndicator = IndicatorsFactory.eINSTANCE.createAverageLengthIndicator();
        AverageLengthIndicator averageLengthIndicator2 = IndicatorsFactory.eINSTANCE.createAverageLengthIndicator();
        ModeIndicator modeIndicator = IndicatorsFactory.eINSTANCE.createModeIndicator();
        FrequencyIndicator textFrequencyIndicator = IndicatorsFactory.eINSTANCE.createFrequencyIndicator();
        // store in freq indic
        // textFrequencyIndicator.setDistinctCountIndicator(distinctCountIndicator);
        // textFrequencyIndicator.setDistinctCountIndicator(distinctCountIndicator2);
        // textFrequencyIndicator.setUniqueCountIndicator(uniqueCountIndicator);
        // textFrequencyIndicator.setDuplicateCountIndicator(duplicateCountIndicator);
        // textFrequencyIndicator.setModeIndicator(modeIndicator);
        MeanIndicator doubleMeanIndicator = IndicatorsFactory.eINSTANCE.createMeanIndicator();
        MeanIndicator integerMeanIndicator = IndicatorsFactory.eINSTANCE.createMeanIndicator();
        MedianIndicator medianIndicator = IndicatorsFactory.eINSTANCE.createMedianIndicator();
        SumIndicator integerSumIndicator = IndicatorsFactory.eINSTANCE.createSumIndicator();
        addIndicator(columnsArray[0], medianIndicator);
        addIndicator(columnsArray[1], doubleMeanIndicator);
        addIndicator(columnsArray[2], blankCountIndicator);
        addIndicator(columnsArray[5], nullCountIndicator);
        // addIndicator(columnsArray[2], textFrequencyIndicator);
        // addIndicator(columnsArray[2], distinctCountIndicator); // probably not useful?
        // addIndicator(columnsArray[2], uniqueCountIndicator); // probably not useful?
        // addIndicator(columnsArray[2], duplicateCountIndicator); // probably not useful?
        // addIndicator(columnsArray[2], modeIndicator); // probably not useful?
        addIndicator(columnsArray[3], rowCountIndicator);
        addIndicator(columnsArray[5], integerSumIndicator);
        addIndicator(columnsArray[5], integerMeanIndicator);
        addIndicator(columnsArray[2], averageLengthIndicator);
        addIndicator(columnsArray[3], averageLengthIndicator2);
        addIndicator(columnsArray[3], minLengthIndicator);
        addIndicator(columnsArray[3], maxLengthIndicator);
        // build query on columns
        // TODO scorreia add filter somewhere here...
        String selectCols = sqlSelectColumns(database, tableName, columns);
        // --- create a description of the column set
        QueryExpression queryExpression = DatatypesFactory.eINSTANCE.createQueryExpression();
        queryExpression.setBody(selectCols);
        // TODO scorreia externalize this as a constant
        queryExpression.setLanguage("SQL");
        tt.start("compute");
        evaluator.setFetchSize(10000);
        evaluator.evaluateIndicators(selectCols, true);
        tt.end("compute");
        // Print indicators the median
        System.out.println("Median=" + medianIndicator.getMedian());
        System.out.println("# Unique values= " + textFrequencyIndicator.getUniqueValueCount());
        System.out.println("# Distinct values= " + textFrequencyIndicator.getDistinctValueCount());
        for (String col : columns) {
            printIndicators(evaluator.getIndicators(col));
        }
        tt.start("save");
        util.save();
        tt.end("saved in " + file.getAbsolutePath());
        tt.end();
        CwmResource cwmR = (CwmResource) resource;
        String id = cwmR.getID(medianIndicator);
        System.out.println("ecore util.getId= " + EcoreUtil.getID(medianIndicator));
        System.out.println("uuId= " + id);
    // test reload this file
    // LoadSerialData.main(args);
    } catch (SQLException e) {
        // TODO Auto-generated catch block
        log.error(e, e);
    } catch (InstantiationException e) {
        // TODO Auto-generated catch block
        log.error(e, e);
    } catch (IllegalAccessException e) {
        // TODO Auto-generated catch block
        log.error(e, e);
    } catch (ClassNotFoundException e) {
        // TODO Auto-generated catch block
        log.error(e, e);
    }
}