Examples with VString org.diirt.vtype.VString used on opensource projects

Example 6 with VString

use of org.diirt.vtype.VString in project yamcs-studio by yamcs.

the class ColumnFromVStringArrayFunction method calculate.

@Override
public Object calculate(final List<Object> args) {
    VString name = (VString) args.get(0);
    VStringArray data = (VStringArray) args.get(1);
    if (name == null || data == null) {
        return null;
    }
    return VTableFactory.column(name.getValue(), data);
}

Example 7 with VString

use of org.diirt.vtype.VString in project yamcs-studio by yamcs.

the class TableRangeArrayFilterFunction method calculate.

@Override
public Object calculate(final List<Object> args) {
    if (NullUtils.containsNull(args)) {
        return null;
    }
    VTable table = (VTable) args.get(0);
    VString columnName = (VString) args.get(1);
    VNumberArray range = (VNumberArray) args.get(2);
    if (range.getData().size() != 2) {
        throw new IllegalArgumentException("Range array must be of 2 elements");
    }
    VTable result = VTableFactory.tableRangeFilter(table, columnName.getValue(), ValueFactory.newVDouble(range.getData().getDouble(0)), ValueFactory.newVDouble(range.getData().getDouble(1)));
    return result;
}

Example 8 with VString

use of org.diirt.vtype.VString in project yamcs-studio by yamcs.

the class TableValueFilterFunction method calculate.

@Override
public Object calculate(final List<Object> args) {
    VTable table = (VTable) args.get(0);
    VString columnName = (VString) args.get(1);
    VType value = (VType) args.get(2);
    if (columnName == null || columnName.getValue() == null || table == null || value == null) {
        return null;
    }
    VTable result = VTableFactory.tableValueFilter(table, columnName.getValue(), value);
    return result;
}

Example 9 with VString

use of org.diirt.vtype.VString in project org.csstudio.display.builder by kasemir.

the class ArrayPVDispatcher method updateArrayFromElements.

/**
 * Update the array PV with the current value of all element PVs
 */
private void updateArrayFromElements() throws Exception {
    final List<RuntimePV> pvs = element_pvs.get();
    final int N = pvs.size();
    if (N == 1) {
        // Is 'array' really a scalar?
        final VType array = array_pv.read();
        if (array instanceof VNumber || array instanceof VString) {
            array_pv.write(pvs.get(0).read());
            return;
        }
    }
    if (is_string) {
        final String[] value = new String[N];
        for (int i = 0; i < N; ++i) value[i] = VTypeUtil.getValueString(pvs.get(i).read(), false);
        array_pv.write(value);
    } else {
        final double[] value = new double[N];
        for (int i = 0; i < N; ++i) value[i] = VTypeUtil.getValueNumber(pvs.get(i).read()).doubleValue();
        array_pv.write(value);
    }
}

Example 10 with VString

use of org.diirt.vtype.VString in project yamcs-studio by yamcs.

the class VStringOfFunction method readValue.

@Override
public VString readValue() {
    VType value = argument.readValue();
    if (forward != null) {
        forward.writeValue(value);
    }
    if (value == null) {
        return null;
    }
    String string = format.format(value);
    Alarm alarm = ValueUtil.alarmOf(value);
    if (alarm == null) {
        alarm = ValueFactory.alarmNone();
    }
    Time time = ValueUtil.timeOf(value);
    if (time == null) {
        time = ValueFactory.timeNow();
    }
    return ValueFactory.newVString(string, alarm, time);
}