/**
* Returns the attributes of the element as unmodifable collection. The collection can be safely
* stored as it is guaranteed to never change. (However, no assumptions are made about the
* contents inside the collection.)
*
* @return the unmodifiable attribute collection
*/
public ReportAttributeMap<Object> getAttributes() {
if (cachedAttributes != null) {
if (cachedAttributes.getChangeTracker() == attributes.getChangeTracker()) {
return cachedAttributes;
}
}
cachedAttributes = attributes.createUnmodifiableMap();
return cachedAttributes;
}
