/** Iterates over fields and their annotations, and creates argument handlers. */
@Override
protected void registered(API_VERSION version) {
try {
ArrayList<Class> classes = new ArrayList<Class>();
{
Class c = getClass();
while (c != null) {
classes.add(c);
c = c.getSuperclass();
}
}
// Fields from parent classes first
Collections.reverse(classes);
ArrayList<Field> fields = new ArrayList<Field>();
for (Class c : classes)
for (Field field : c.getDeclaredFields())
if (!Modifier.isStatic(field.getModifiers())) fields.add(field);
// TODO remove map, response field already processed specifically
HashMap<String, FrameClassVec> classVecs = new HashMap<String, FrameClassVec>();
for (Field f : fields) {
Annotation[] as = f.getAnnotations();
API api = find(as, API.class);
if (api != null && Helper.isInput(api)) {
f.setAccessible(true);
Object defaultValue = f.get(this);
// Create an Argument instance to reuse existing Web framework for now
Argument arg = null;
// Simplest case, filter is an Argument
if (Argument.class.isAssignableFrom(api.filter())) {
arg = (Argument) newInstance(api);
}
//
else if (ColumnSelect.class.isAssignableFrom(api.filter())) {
ColumnSelect name = (ColumnSelect) newInstance(api);
H2OHexKey key = null;
for (Argument a : _arguments)
if (a instanceof H2OHexKey && name._ref.equals(((H2OHexKey) a)._name))
key = (H2OHexKey) a;
arg = new HexAllColumnSelect(f.getName(), key);
}
//
else if (Dependent.class.isAssignableFrom(api.filter())) {
Dependent d = (Dependent) newInstance(api);
Argument ref = find(d._ref);
if (d instanceof VecSelect) arg = new FrameKeyVec(f.getName(), (TypeaheadKey) ref);
else if (d instanceof VecClassSelect) {
arg = new FrameClassVec(f.getName(), (TypeaheadKey) ref);
classVecs.put(d._ref, (FrameClassVec) arg);
} else if (d instanceof MultiVecSelect) {
FrameClassVec response = classVecs.get(d._ref);
boolean names = ((MultiVecSelect) d)._namesOnly;
arg =
new FrameKeyMultiVec(
f.getName(), (TypeaheadKey) ref, response, api.help(), names);
} else if (d instanceof DoClassBoolean) {
FrameClassVec response = classVecs.get(d._ref);
arg = new ClassifyBool(f.getName(), response);
}
}
// String
else if (f.getType() == String.class) arg = new Str(f.getName(), (String) defaultValue);
// Real
else if (f.getType() == float.class || f.getType() == double.class) {
double val = ((Number) defaultValue).doubleValue();
arg = new Real(f.getName(), api.required(), val, api.dmin(), api.dmax(), api.help());
}
// LongInt
else if (f.getType() == int.class || f.getType() == long.class) {
long val = ((Number) defaultValue).longValue();
arg = new LongInt(f.getName(), api.required(), val, api.lmin(), api.lmax(), api.help());
}
// RSeq
else if (f.getType() == int[].class) {
int[] val = (int[]) defaultValue;
double[] ds = null;
if (val != null) {
ds = new double[val.length];
for (int i = 0; i < ds.length; i++) ds[i] = val[i];
}
arg =
new RSeq(
f.getName(),
api.required(),
new NumberSequence(ds, null, true),
false,
api.help());
}
// RSeq
else if (f.getType() == double[].class) {
double[] val = (double[]) defaultValue;
arg =
new RSeq(
f.getName(),
api.required(),
new NumberSequence(val, null, false),
false,
api.help());
}
// Bool
else if (f.getType() == boolean.class && api.filter() == Default.class) {
boolean val = (Boolean) defaultValue;
arg = new Bool(f.getName(), val, api.help());
}
// Enum
else if (Enum.class.isAssignableFrom(f.getType())) {
Enum val = (Enum) defaultValue;
arg = new EnumArgument(f.getName(), val);
}
// Key
else if (f.getType() == Key.class) {
TypeaheadKey t = new TypeaheadKey();
t._defaultValue = (Key) defaultValue;
arg = t;
}
// Generic Freezable field
else if (Freezable.class.isAssignableFrom(f.getType()))
arg = new TypeaheadKey(f.getType(), api.required());
if (arg != null) {
arg._name = f.getName();
arg._displayName = api.displayName().length() > 0 ? api.displayName() : null;
arg._required = api.required();
arg._field = f;
arg._hideInQuery = api.hide();
arg._gridable = api.gridable();
arg._mustExist = api.mustExist();
arg._validator = newValidator(api);
}
}
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}