Examples with BufferInt org.diirt.util.array.BufferInt used on opensource projects

Example 1 with BufferInt

use of org.diirt.util.array.BufferInt in project yamcs-studio by yamcs.

the class VTableFactory method tableRangeFilter.

public static VTable tableRangeFilter(VTable table, String columnName, Object min, Object max) {
    RangeFilter valueFilter = new RangeFilter(table, columnName, min, max);
    BufferInt indexes = new BufferInt();
    for (int i = 0; i < table.getRowCount(); i++) {
        if (valueFilter.filterRow(i)) {
            indexes.addInt(i);
        }
    }
    return extractRows(table, indexes);
}

Example 2 with BufferInt

use of org.diirt.util.array.BufferInt in project yamcs-studio by yamcs.

the class VTableFactory method tableStringMatchFilter.

public static VTable tableStringMatchFilter(VTable table, String columnName, String substring) {
    StringMatchFilter filter = new StringMatchFilter(table, columnName, substring);
    BufferInt indexes = new BufferInt();
    for (int i = 0; i < table.getRowCount(); i++) {
        if (filter.filterRow(i)) {
            indexes.addInt(i);
        }
    }
    return extractRows(table, indexes);
}

Example 3 with BufferInt

use of org.diirt.util.array.BufferInt in project yamcs-studio by yamcs.

the class VTableFactory method join.

public static VTable join(VTable... tables) {
    if (tables.length == 0) {
        return null;
    }
    if (tables.length == 1) {
        return tables[0];
    }
    // Find columns to join
    Map<String, int[]> commonColumnsIndexes = null;
    for (int nTable = 0; nTable < tables.length; nTable++) {
        VTable vTable = tables[nTable];
        if (commonColumnsIndexes == null) {
            commonColumnsIndexes = new HashMap<>();
            for (int i = 0; i < vTable.getColumnCount(); i++) {
                int[] indexes = new int[tables.length];
                indexes[0] = i;
                commonColumnsIndexes.put(vTable.getColumnName(i), indexes);
            }
        } else {
            commonColumnsIndexes.keySet().retainAll(columnNames(vTable));
            for (int i = 0; i < vTable.getColumnCount(); i++) {
                if (commonColumnsIndexes.keySet().contains(vTable.getColumnName(i))) {
                    commonColumnsIndexes.get(vTable.getColumnName(i))[nTable] = i;
                }
            }
        }
    }
    if (commonColumnsIndexes.isEmpty()) {
        throw new UnsupportedOperationException("Case not implemented yet");
    }
    List<EqualValueFilter> filters = new ArrayList<>();
    for (Map.Entry<String, int[]> entry : commonColumnsIndexes.entrySet()) {
        int[] indexes = entry.getValue();
        filters.add(new EqualValueFilter(Arrays.asList(tables), indexes));
    }
    // Find rows
    boolean done = false;
    List<BufferInt> rowIndexes = new ArrayList<>();
    for (int i = 0; i < tables.length; i++) {
        rowIndexes.add(new BufferInt());
        if (tables[i].getRowCount() == 0) {
            done = true;
        }
    }
    int[] currentIndexes = new int[tables.length];
    while (!done) {
        boolean match = true;
        for (EqualValueFilter filter : filters) {
            match = match && filter.filterRow(currentIndexes);
        }
        if (match) {
            for (int i = 0; i < currentIndexes.length; i++) {
                rowIndexes.get(i).addInt(currentIndexes[i]);
            }
        }
        boolean needsIncrement = true;
        int offset = currentIndexes.length - 1;
        while (needsIncrement) {
            currentIndexes[offset]++;
            if (currentIndexes[offset] == tables[offset].getRowCount()) {
                currentIndexes[offset] = 0;
                offset--;
                if (offset == -1) {
                    done = true;
                    needsIncrement = false;
                }
            } else {
                needsIncrement = false;
            }
        }
    }
    List<String> columnNames = new ArrayList<>();
    List<Class<?>> columnTypes = new ArrayList<>();
    List<Object> columnData = new ArrayList<>();
    for (int nColumn = 0; nColumn < tables[0].getColumnCount(); nColumn++) {
        columnNames.add(tables[0].getColumnName(nColumn));
        Class<?> type = tables[0].getColumnType(nColumn);
        if (type.isPrimitive()) {
            columnTypes.add(type);
            columnData.add(ListNumbers.listView((ListNumber) tables[0].getColumnData(nColumn), rowIndexes.get(0)));
        } else {
            columnTypes.add(type);
            columnData.add(createView((List<?>) tables[0].getColumnData(nColumn), rowIndexes.get(0)));
        }
    }
    for (int i = 1; i < tables.length; i++) {
        VTable vTable = tables[i];
        for (int nColumn = 0; nColumn < vTable.getColumnCount(); nColumn++) {
            if (!commonColumnsIndexes.containsKey(vTable.getColumnName(nColumn))) {
                columnNames.add(vTable.getColumnName(nColumn));
                Class<?> type = vTable.getColumnType(nColumn);
                if (type.isPrimitive()) {
                    columnTypes.add(type);
                    columnData.add(ListNumbers.listView((ListNumber) vTable.getColumnData(nColumn), rowIndexes.get(i)));
                } else {
                    columnTypes.add(type);
                    columnData.add(createView((List<?>) vTable.getColumnData(nColumn), rowIndexes.get(i)));
                }
            }
        }
    }
    return ValueFactory.newVTable(columnTypes, columnNames, columnData);
}

Example 4 with BufferInt

use of org.diirt.util.array.BufferInt in project yamcs-studio by yamcs.

the class VTableFactory method tableValueFilter.

public static VTable tableValueFilter(VTable table, String columnName, Object value) {
    ValueFilter valueFilter = new ValueFilter(table, columnName, value);
    BufferInt indexes = new BufferInt();
    for (int i = 0; i < table.getRowCount(); i++) {
        if (valueFilter.filterRow(i)) {
            indexes.addInt(i);
        }
    }
    return extractRows(table, indexes);
}