[dali-dev] IPersitentType.attributes() - wildcard parameterized type?

[Tom Mutdosch <tommut@xxxxxxxxxxx>]

Hi there,

I was just wondering why the IPersitentType.attributes() method has a return 
type of:  Iterator<? extends IPersistentAttribute>

(whereas the other methods that return Iterators have types of 
Iterator<IPersistentAttribute>).

Is the wildcard-parameterized type needed in this case?  It's not a problem; it 
just makes the usage of it seem somewhat unwieldy:

public static String getPrimaryKey(IPersistentType entity) {
	for ( Iterator<? extends IPersistentAttribute> iter = entity.attributes(); 
iter.hasNext(); ) {
		IPersistentAttribute jpAtt = iter.next();
		String attributeType = jpAtt.mappingKey();
		// ... etc etc



Thanks
Tom