Examples with Element org.gephi.graph.api.Element used on opensource projects

Example 11 with Element

use of org.gephi.graph.api.Element in project gephi by gephi.

the class AttributeColumnsControllerImpl method negateColumnListBooleanType.

/**
     * Used to negate all values of a list of boolean values column.
     */
private void negateColumnListBooleanType(Table table, Column column) {
    Object value;
    Boolean[] newValues;
    for (Element row : getTableAttributeRows(table)) {
        value = row.getAttribute(column);
        if (value != null) {
            Boolean[] list = (Boolean[]) value;
            newValues = new Boolean[list.length];
            for (int i = 0; i < list.length; i++) {
                newValues[i] = !list[i];
            }
            row.setAttribute(column, newValues);
        }
    }
}

Example 12 with Element

use of org.gephi.graph.api.Element in project gephi by gephi.

the class AttributeColumnsMergeStrategiesControllerImpl method joinWithSeparatorMerge.

@Override
public Column joinWithSeparatorMerge(Table table, Column[] columnsToMerge, Class newColumnType, String newColumnTitle, String separator) {
    if (table == null || columnsToMerge == null) {
        throw new IllegalArgumentException("Table or columns can't be null");
    }
    AttributeColumnsController ac = Lookup.getDefault().lookup(AttributeColumnsController.class);
    Column newColumn;
    //Create as STRING column by default. Then it can be duplicated to other type.
    newColumn = ac.addAttributeColumn(table, newColumnTitle, newColumnType != null ? newColumnType : String.class);
    if (newColumn == null) {
        return null;
    }
    if (separator == null) {
        separator = "";
    }
    Object value;
    StringBuilder sb;
    final int columnsCount = columnsToMerge.length;
    GraphModel graphModel = table.getGraph().getModel();
    TimeFormat timeFormat = graphModel.getTimeFormat();
    DateTimeZone timeZone = graphModel.getTimeZone();
    for (Element row : ac.getTableAttributeRows(table)) {
        sb = new StringBuilder();
        for (int i = 0; i < columnsCount; i++) {
            value = row.getAttribute(columnsToMerge[i]);
            if (value != null) {
                sb.append(AttributeUtils.print(value, timeFormat, timeZone));
                if (i < columnsCount - 1) {
                    sb.append(separator);
                }
            }
        }
        ac.setAttributeValue(sb.toString(), row, newColumn);
    }
    return newColumn;
}

Example 13 with Element

use of org.gephi.graph.api.Element in project gephi by gephi.

the class AttributeColumnsMergeStrategiesControllerImpl method minValueNumbersMerge.

@Override
public Column minValueNumbersMerge(Table table, Column[] columnsToMerge, String newColumnTitle) {
    checkTableAndColumnsAreNumberOrNumberList(table, columnsToMerge);
    AttributeColumnsController ac = Lookup.getDefault().lookup(AttributeColumnsController.class);
    Column newColumn;
    //Create as BIGDECIMAL column by default. Then it can be duplicated to other type.
    newColumn = ac.addAttributeColumn(table, newColumnTitle, BigDecimal.class);
    if (newColumn == null) {
        return null;
    }
    BigDecimal min;
    for (Element row : ac.getTableAttributeRows(table)) {
        min = StatisticsUtils.minValue(ac.getRowNumbers(row, columnsToMerge));
        row.setAttribute(newColumn, min);
    }
    return newColumn;
}

Example 14 with Element

use of org.gephi.graph.api.Element in project gephi by gephi.

the class AttributeColumnsMergeStrategiesControllerImpl method mergeNumericColumnsToTimeInterval.

@Override
public Column mergeNumericColumnsToTimeInterval(Table table, Column startColumn, Column endColumn, double defaultStart, double defaultEnd) {
    checkTableAndOneColumn(table, startColumn, endColumn);
    Column timeIntervalColumn = getTimeIntervalColumn(table);
    final int startColumnIndex = startColumn != null ? startColumn.getIndex() : -1;
    final int endColumnIndex = endColumn != null ? endColumn.getIndex() : -1;
    final boolean isStartColumnNumeric = startColumn != null ? (!AttributeUtils.isDynamicType(startColumn.getTypeClass()) && AttributeUtils.isNumberType(startColumn.getTypeClass())) : false;
    final boolean isEndColumnNumeric = endColumn != null ? (!AttributeUtils.isDynamicType(endColumn.getTypeClass()) && AttributeUtils.isNumberType(endColumn.getTypeClass())) : false;
    AttributeColumnsController ac = Lookup.getDefault().lookup(AttributeColumnsController.class);
    Object value;
    double start, end;
    for (Element row : ac.getTableAttributeRows(table)) {
        if (startColumnIndex != -1) {
            value = row.getAttribute(startColumn);
            if (value != null) {
                if (isStartColumnNumeric) {
                    start = ((Number) value).doubleValue();
                } else {
                    start = parseDouble(value.toString(), defaultStart);
                }
            } else {
                start = defaultStart;
            }
        } else {
            start = defaultStart;
        }
        if (endColumnIndex != -1) {
            value = row.getAttribute(endColumn);
            if (value != null) {
                if (isEndColumnNumeric) {
                    end = ((Number) value).doubleValue();
                } else {
                    end = parseDouble(value.toString(), defaultEnd);
                }
            } else {
                end = defaultEnd;
            }
        } else {
            end = defaultEnd;
        }
        if (!Double.isInfinite(start) && !Double.isInfinite(end) && start > end) {
            //When start>end, check what column was provided and keep its value. If both columns were provided, set an infinite interval:
            if (startColumnIndex == -1) {
                start = Double.NEGATIVE_INFINITY;
            } else if (endColumnIndex == -1) {
                end = Double.POSITIVE_INFINITY;
            } else {
                start = Double.NEGATIVE_INFINITY;
                end = Double.POSITIVE_INFINITY;
            }
        }
        IntervalSet timeInterval = new IntervalSet(new double[] { start, end });
        row.setAttribute(timeIntervalColumn, timeInterval);
    }
    return timeIntervalColumn;
}

Example 15 with Element

use of org.gephi.graph.api.Element in project gephi by gephi.

the class AttributeColumnsMergeStrategiesControllerImpl method booleanLogicOperationsMerge.

@Override
public Column booleanLogicOperationsMerge(Table table, Column[] columnsToMerge, BooleanOperations[] booleanOperations, String newColumnTitle) {
    AttributeColumnsController ac = Lookup.getDefault().lookup(AttributeColumnsController.class);
    if (table == null || columnsToMerge == null || booleanOperations == null || booleanOperations.length != columnsToMerge.length - 1) {
        throw new IllegalArgumentException("table, columns or operations can't be null and operations length must be columns length -1");
    }
    for (Column column : columnsToMerge) {
        if (!column.getTypeClass().equals(Boolean.class)) {
            throw new IllegalArgumentException("All columns have to be boolean columns");
        }
    }
    Column newColumn;
    newColumn = ac.addAttributeColumn(table, newColumnTitle, Boolean.class);
    if (newColumn == null) {
        return null;
    }
    Boolean value;
    Boolean secondValue;
    for (Element row : ac.getTableAttributeRows(table)) {
        value = (Boolean) row.getAttribute(columnsToMerge[0]);
        //Use false if null
        value = value != null ? value : false;
        for (int i = 0; i < booleanOperations.length; i++) {
            secondValue = (Boolean) row.getAttribute(columnsToMerge[i + 1]);
            //Use false if null
            secondValue = secondValue != null ? secondValue : false;
            switch(booleanOperations[i]) {
                case AND:
                    value = value && secondValue;
                    break;
                case OR:
                    value = value || secondValue;
                    break;
                case XOR:
                    value = value ^ secondValue;
                    break;
                case NAND:
                    value = !(value && secondValue);
                    break;
                case NOR:
                    value = !(value || secondValue);
                    break;
            }
        }
        row.setAttribute(newColumn, value);
    }
    return newColumn;
}