private boolean containsAttributeKey(final Attribute att) {
for (AttributeGroupAttribute attributeGroupAttribute : this.attributeGroupAttributes) {
Attribute thisAtt = attributeGroupAttribute.getAttribute();
if (thisAtt.getKey().equals(att.getKey())) {
return true;
}
}
return false;
}
/**
* Compares attribute sets on this and attribute group attribute set before an update and returns
* a set of attributes that have been deleted.
*
* @param before attributeGroupAttribute set before an update.
* @return set of attributes that have been deleted.
*/
public Set<Attribute> getRemovedAttributes(final Set<AttributeGroupAttribute> before) {
Set<Attribute> returnSet = new HashSet<Attribute>();
if (before != null && !before.isEmpty()) {
for (AttributeGroupAttribute attributeGroupAttribute : before) {
Attribute attBefore = attributeGroupAttribute.getAttribute();
if (this.attributeGroupAttributes == null
|| this.attributeGroupAttributes.isEmpty()
|| !containsAttributeKey(attBefore)) {
returnSet.add(attBefore);
continue;
}
}
}
return returnSet;
}