How to use

ConditionReference

in

io.yawp.repository.query.condition

@Override
public boolean evaluate(Object object) {
  try {
    Object objectValue = new ConditionReference(field, clazz, object).getValue();
    return whereOperator.evaluate(objectValue, whereValue);
  } catch (ConditionForChildException e) {
    return true;
  }
}

public Object getValue() throws ConditionForChildException {
  verifyIfConditionIsForChild();
  Object currentObject = advanceAncestorSequenceIfNecessary();
  while (hasMoreRefs()) {
    IdRef<?> objectId = (IdRef<?>) ReflectionUtils.getFieldValue(currentObject, nextRef());
    if (objectId == null) {
      return null;
    }
    currentObject = objectId.fetch();
  }
  return ReflectionUtils.getFieldValue(currentObject, fieldName());
}

private Object advanceAncestorSequenceIfNecessary() {
  if (isObjectAcenstor()) {
    advanceToTheRightAncestor();
  }
  if (!isParentRef()) {
    return object;
  }
  IdRef<?> parentId = objectHolder.getParentId();
  nextRef();
  while (isParentRef()) {
    parentId = parentId.getParentId();
    nextRef();
  }
  return parentId.fetch();
}

private void verifyIfConditionIsForChild() throws ConditionForChildException {
  if (clazz != null && isObjectAcenstor() && isReferenceForChild()) {
    throw new ConditionForChildException();
  }
}

private void advanceToTheRightAncestor() {
  if (clazz == null || object.getClass().equals(clazz)) {
    return;
  }
  Class<?> ancestorClazz = clazz;
  for (int i = 0; !object.getClass().equals(ancestorClazz); i++) {
    ancestorClazz = model.getAncestorClazz(i);
    if (ancestorClazz == null) {
      throw new RuntimeException("Invalid condition ref " + refString + " for object class: " + object.getClass().getName());
    }
    nextRef();
  }
}