private boolean hasTypeDiscriminatorFieldOrMethod(final Class<?> persistentType) {
Collection<?> hits =
eachField(
persistentType,
new Predicate<Field>() {
public boolean apply(Field input) {
return hasAnnotation(input, TypeDiscriminator.class);
}
});
if (!hits.isEmpty()) {
return true;
}
hits =
eachMethod(
persistentType,
new Predicate<Method>() {
public boolean apply(Method input) {
return hasAnnotation(input, TypeDiscriminator.class);
}
});
return !hits.isEmpty();
}
public static Keys of(Collection<?> keys) {
return new Keys(keys.toArray());
}