@Override
public FilterResult filter(Object instance) {
if (instance == null) {
throw new IllegalArgumentException("instance cannot be null");
}
MatcherEvalContext<TypeMetadata, AttributeMetadata, AttributeId> matcherEvalContext =
matcher.startSingleTypeContext(null, null, instance, metadataAdapter);
if (matcherEvalContext != null) {
// once we have a successfully created context we already have a match as there are no filter
// conditions except for entity type
return new FilterResultImpl(matcher.convert(instance), null, null);
}
return null;
}
@SuppressWarnings("unchecked")
@Override
public final void describeMismatch(Object item, Description mismatchDescription) {
if (item == null || !expectedType.isInstance(item)) {
super.describeMismatch(item, mismatchDescription);
} else {
matchesSafely((T) item, mismatchDescription);
}
}
