Examples with Function jakarta.nosql.query.Function used on opensource projects

Example 11 with Function

use of jakarta.nosql.query.Function in project jnosql-diana by eclipse.

the class Values method get.

private static Object get(QueryValue<?> value, Params parameters) {
    ValueType type = value.getType();
    switch(type) {
        case NUMBER:
        case STRING:
            return value.get();
        case PARAMETER:
            return parameters.add(ParamQueryValue.class.cast(value).get());
        case ARRAY:
            return Stream.of(ArrayQueryValue.class.cast(value).get()).map(v -> get(v, parameters)).collect(toList());
        case FUNCTION:
            Function function = FunctionQueryValue.class.cast(value).get();
            String name = function.getName();
            Object[] params = function.getParams();
            if ("convert".equals(name)) {
                return executeConvert(parameters, params);
            }
            String message = String.format("There is not support to the function: %s with parameters %s", name, Arrays.toString(params));
            throw new QueryException(message);
        case JSON:
            return JSONQueryValue.class.cast(value).get().toString();
        case CONDITION:
        default:
            throw new QueryException("There is not support to the value: " + type);
    }
}

Example 12 with Function

use of jakarta.nosql.query.Function in project jnosql-diana by eclipse.

the class DefaultFunctionQueryValue method getConverter.

private static FunctionQueryValue getConverter(QueryParser.FunctionContext context) {
    QueryParser.ConvertContext converter = context.convert();
    QueryValue<?> value = Elements.getElement(converter.element());
    String text = converter.name().getText();
    try {
        Object[] params = new Object[] { value, Class.forName(text) };
        Function function1 = DefaultFunction.of("convert", params);
        return new DefaultFunctionQueryValue(function1);
    } catch (ClassNotFoundException e) {
        throw new QueryException("Class does not found the converter function argument: " + text, e);
    }
}