Examples with MutableInteger org.knime.core.util.MutableInteger used on opensource projects

Example 26 with MutableInteger

use of org.knime.core.util.MutableInteger in project knime-core by knime.

the class GroupByTable method createGroupByTableSpec.

/**
 * @param spec the original {@link DataTableSpec}
 * @param groupColNames the name of all columns to group by
 * @param columnAggregators the aggregation columns with the
 * aggregation method to use in the order the columns should be appear
 * in the result table
 * @param colNamePolicy the {@link ColumnNamePolicy} for the aggregation
 * columns
 * @return the result {@link DataTableSpec}
 */
public static final DataTableSpec createGroupByTableSpec(final DataTableSpec spec, final List<String> groupColNames, final ColumnAggregator[] columnAggregators, final ColumnNamePolicy colNamePolicy) {
    if (spec == null) {
        throw new NullPointerException("DataTableSpec must not be null");
    }
    if (groupColNames == null) {
        throw new IllegalArgumentException("groupColNames must not be null");
    }
    if (columnAggregators == null) {
        throw new NullPointerException("colMethods must not be null");
    }
    final int noOfCols = groupColNames.size() + columnAggregators.length;
    final DataColumnSpec[] colSpecs = new DataColumnSpec[noOfCols];
    int colIdx = 0;
    // add the group columns first
    final Map<String, MutableInteger> colNameCount = new HashMap<>(noOfCols);
    for (final String colName : groupColNames) {
        final DataColumnSpec colSpec = spec.getColumnSpec(colName);
        if (colSpec == null) {
            throw new IllegalArgumentException("No column spec found for name: " + colName);
        }
        colSpecs[colIdx++] = colSpec;
        colNameCount.put(colName, new MutableInteger(1));
    }
    // add the aggregation columns
    for (final ColumnAggregator aggrCol : columnAggregators) {
        final DataColumnSpec origSpec = spec.getColumnSpec(aggrCol.getOriginalColName());
        if (origSpec == null) {
            throw new IllegalArgumentException("No column spec found for name: " + aggrCol.getOriginalColName());
        }
        final String colName = colNamePolicy.createColumName(aggrCol);
        // since a column could be used several times create a unique name
        final String uniqueName;
        if (colNameCount.containsKey(colName)) {
            final MutableInteger counter = colNameCount.get(colName);
            uniqueName = colName + "_" + counter.intValue();
            counter.inc();
        } else {
            colNameCount.put(colName, new MutableInteger(1));
            uniqueName = colName;
        }
        final DataColumnSpec newSpec = aggrCol.getMethodTemplate().createColumnSpec(uniqueName, origSpec);
        colSpecs[colIdx++] = newSpec;
    }
    return new DataTableSpec(colSpecs);
}

Example 27 with MutableInteger

use of org.knime.core.util.MutableInteger in project knime-core by knime.

the class ClassAttributeModel method toString.

/**
 * {@inheritDoc}
 */
@Override
public String toString() {
    final StringBuilder buf = new StringBuilder();
    buf.append("Attribute name: ");
    buf.append(getAttributeName());
    buf.append("\t");
    buf.append("No of records: ");
    buf.append(m_totalNoOfRecs);
    buf.append("\n");
    for (final String classVal : m_recsCounterByClassVal.keySet()) {
        final MutableInteger integer = m_recsCounterByClassVal.get(classVal);
        buf.append(classVal);
        buf.append("|");
        buf.append(integer.intValue());
        buf.append("\n");
    }
    return buf.toString();
}

Example 28 with MutableInteger

use of org.knime.core.util.MutableInteger in project knime-core by knime.

the class ClassAttributeModel method addValueInternal.

/**
 * {@inheritDoc}
 */
@Override
void addValueInternal(final String classValue, final DataCell attrValue) throws TooManyValuesException {
    if (attrValue.isMissing()) {
        throw new IllegalArgumentException("Missing value not allowed as class value");
    }
    MutableInteger classCounter = m_recsCounterByClassVal.get(classValue);
    if (classCounter == null) {
        if (m_recsCounterByClassVal.size() > m_maxNoOfClassVals) {
            throw new TooManyValuesException("Class value " + classValue + " doesn't fit into model");
        }
        classCounter = new MutableInteger(0);
        m_recsCounterByClassVal.put(classValue, classCounter);
    }
    classCounter.inc();
    m_totalNoOfRecs++;
}

Example 29 with MutableInteger

use of org.knime.core.util.MutableInteger in project knime-core by knime.

the class NominalAttributeModel method getHTMLView.

/**
 * {@inheritDoc}
 */
@Override
String getHTMLView(final int totalNoOfRecs) {
    final List<String> sortedClassVal = AttributeModel.sortCollection(m_classValues.keySet());
    if (sortedClassVal == null) {
        return "";
    }
    final List<String> sortedAttrValues = AttributeModel.sortCollection(m_attributeVals);
    final String classHeading = "Class/" + getAttributeName();
    final String missingHeading = getMissingValueHeader(m_attributeVals);
    final int arraySize;
    if (missingHeading != null) {
        arraySize = sortedAttrValues.size() + 1;
    } else {
        arraySize = sortedAttrValues.size();
    }
    final StringBuilder buf = new StringBuilder();
    buf.append("<table border='1' width='100%'>");
    buf.append(createTableHeader(classHeading, sortedAttrValues, missingHeading));
    final int[] rowsPerValCounts = new int[arraySize];
    Arrays.fill(rowsPerValCounts, 0);
    // create the value section
    for (final String classVal : sortedClassVal) {
        final NominalClassValue classValue = m_classValues.get(classVal);
        buf.append("<tr>");
        buf.append("<th>");
        buf.append(StringEscapeUtils.escapeHtml(classVal));
        buf.append("</th>");
        for (int i = 0, length = sortedAttrValues.size(); i < length; i++) {
            final String attrVal = sortedAttrValues.get(i);
            final MutableInteger rowCounter = classValue.getNoOfRows4AttributeValue(attrVal);
            final int rowCount;
            if (rowCounter != null) {
                rowCount = rowCounter.intValue();
            } else {
                rowCount = 0;
            }
            rowsPerValCounts[i] += rowCount;
            buf.append("<td align='center'>");
            buf.append(rowCount);
            buf.append("</td>");
        }
        if (missingHeading != null) {
            final MutableInteger rowCounter = classValue.getMissingValueRecs();
            rowsPerValCounts[arraySize - 1] += rowCounter.intValue();
            buf.append("<td align='center'>");
            buf.append(rowCounter);
            buf.append("</td>");
        }
        buf.append("</tr>");
    }
    // create the value summary section
    buf.append(createSummarySection(totalNoOfRecs, rowsPerValCounts));
    buf.append("</table>");
    return buf.toString();
}

Example 30 with MutableInteger

use of org.knime.core.util.MutableInteger in project knime-core by knime.

the class BitVectorAttributeModel method getHTMLView.

/**
 * {@inheritDoc}
 */
@Override
String getHTMLView(final int totalNoOfRecs) {
    final List<String> sortedClassVal = AttributeModel.sortCollection(m_classValues.keySet());
    if (sortedClassVal == null) {
        return "";
    }
    final int bitVectorLength = getVectorLength();
    final String classHeading = "Class/" + getAttributeName();
    final LinkedList<String> columnNames = new LinkedList<String>();
    columnNames.add(getAttributeName());
    final String missingHeading = getMissingValueHeader(columnNames);
    final StringBuilder buf = new StringBuilder();
    buf.append("<table border='1' width='100%'>");
    // first table header section
    buf.append("<tr>");
    buf.append("<th rowspan=2>");
    buf.append(StringEscapeUtils.escapeHtml(classHeading));
    buf.append("</th>");
    // first table header row
    for (int i = 0, length = getVectorLength(); i < length; i++) {
        buf.append("<th colspan=2>");
        buf.append("Pos" + i);
        buf.append("</th>");
    }
    if (missingHeading != null) {
        buf.append("<th rowspan = 2>");
        buf.append(StringEscapeUtils.escapeHtml(missingHeading));
        buf.append("</th>");
    }
    buf.append("</tr>");
    // second table header row
    buf.append("<tr>");
    // create the first header row
    for (int i = 0; i < bitVectorLength; i++) {
        buf.append("<th>");
        buf.append("0");
        buf.append("</th>");
        buf.append("<th>");
        buf.append("1");
        buf.append("</th>");
    }
    buf.append("</tr>");
    // the value rows
    int totalMissingValCounter = 0;
    final int[][] totalValCounter = new int[2][bitVectorLength];
    Arrays.fill(totalValCounter[0], 0);
    Arrays.fill(totalValCounter[1], 0);
    for (final String classVal : sortedClassVal) {
        final BitVectorClassValue classValue = m_classValues.get(classVal);
        buf.append("<tr>");
        buf.append("<th>");
        buf.append(StringEscapeUtils.escapeHtml(classVal));
        buf.append("</th>");
        for (int i = 0; i < bitVectorLength; i++) {
            // the bit vector value section
            buf.append("<td align='center'>");
            final int zeroCount = classValue.getZeroCount(i);
            totalValCounter[0][i] += zeroCount;
            buf.append(zeroCount);
            buf.append("</td>");
            buf.append("<td align='center'>");
            final int bitCount = classValue.getBitCount(i);
            totalValCounter[1][i] += bitCount;
            buf.append(bitCount);
            buf.append("</td>");
            // no of missing values for this class value
            if (missingHeading != null) {
                final MutableInteger missingRowCounter = classValue.getMissingValueRecs();
                totalMissingValCounter += missingRowCounter.intValue();
                buf.append("<td align='center'>");
                buf.append(missingRowCounter);
                buf.append("</td>");
            }
        }
        buf.append("</tr>");
    }
    // the rate row
    final NumberFormat nf = NumberFormat.getPercentInstance();
    buf.append("<tr>");
    buf.append("<th>");
    buf.append("Rate:");
    buf.append("</th>");
    for (int i = 0; i < bitVectorLength; i++) {
        // the bit vector value section
        buf.append("<td align='center'>");
        buf.append(nf.format(totalValCounter[0][i] / (double) totalNoOfRecs));
        buf.append("</td>");
        buf.append("<td align='center'>");
        buf.append(nf.format(totalValCounter[1][i] / (double) totalNoOfRecs));
        buf.append("</td>");
    }
    // no of missing values for this class value
    if (missingHeading != null) {
        buf.append("<td align='center'>");
        buf.append(nf.format(totalMissingValCounter / (double) totalNoOfRecs));
        buf.append("</td>");
    }
    buf.append("</tr>");
    buf.append("</table>");
    return buf.toString();
}