Examples with SizeUnit org.opentosca.toscana.model.datatype.SizeUnit used on opensource projects

Example 1 with SizeUnit

use of org.opentosca.toscana.model.datatype.SizeUnit in project TOSCAna by StuPro-TOSCAna.

the class ScalarTypeConverter method convertScalarEntity.

/**
 *     Converts the value attached to given {@code scalarEntity } to an instance of a type which is specified by given {@code key}.
 */
static <T> T convertScalarEntity(ScalarEntity scalarEntity, ToscaKey<T> key, Entity parent) {
    String value = scalarEntity.getValue();
    Class targetType = key.getType();
    if (String.class.isAssignableFrom(targetType)) {
        return (T) value;
    } else if (Integer.class.isAssignableFrom(targetType)) {
        Integer number;
        if (UNBOUNDED.equals(value)) {
            number = Integer.MAX_VALUE;
        } else {
            number = Integer.valueOf(value);
        }
        return (T) number;
    } else if (Boolean.class.isAssignableFrom(targetType)) {
        return (T) Boolean.valueOf(value);
    } else if (targetType.isEnum()) {
        Map<String, T> enumMap = EnumUtils.getEnumMap(targetType);
        Optional<T> result = enumMap.entrySet().stream().filter(entry -> value.equalsIgnoreCase(entry.getKey())).map(Map.Entry::getValue).findAny();
        return result.orElseThrow(() -> new NoSuchElementException(String.format("No value with name '%s' in enum '%s'", value, targetType.getSimpleName())));
    } else if (OperationVariable.class.isAssignableFrom(targetType)) {
        Connection c = scalarEntity.getGraph().getEdge(parent, scalarEntity);
        String name = null;
        OperationVariable var;
        if (c != null) {
            name = c.getKey();
            var = new OperationVariable(scalarEntity, name);
        } else {
            var = new OperationVariable(scalarEntity);
        }
        return (T) var;
    } else if (SizeUnit.class.isAssignableFrom(targetType)) {
        SizeUnit.Unit fromDefaultUnit = (SizeUnit.Unit) key.getDirectives().get(SizeUnit.FROM);
        SizeUnit.Unit toUnit = (SizeUnit.Unit) key.getDirectives().get(SizeUnit.TO);
        if (fromDefaultUnit == null || toUnit == null) {
            throw new IllegalStateException("ToscaKey defining a SizeUnit is illegal: No directive set for source and target units");
        }
        return (T) SizeUnit.convert(value, fromDefaultUnit, toUnit);
    } else if (Port.class.isAssignableFrom(targetType)) {
        return (T) new Port(Integer.valueOf(value));
    } else {
        throw new UnsupportedOperationException(String.format("Cannot convert value of type %s: currently unsupported", targetType.getSimpleName()));
    }
}