Information about the scope and frequency of updating.
The target resource and physical extent for which information is reported.
Description of the class of information covered by the information.
|Class hierarchy||Aggregation hierarchy|
nullarguments. A null argument value means that the metadata element can not be provided, and the reason for that is unspecified. Alternatively, users can specify why a metadata element is missing by providing a value created by
Unless otherwise noted in the Javadoc, all getter methods may return an empty collection,
an empty array or
null if the type is neither a collection or an array.
Note that non-null values may be
Unless the metadata object has been marked as unmodifiable and unless otherwise noted in the Javadoc, all collections returned by getter methods are live: adding new elements in the collection modify directly the underlying metadata object. Noticeable exceptions to this rule are union structures, for which only one property can be non-empty in the same object.
Defined in the
Copyright © 2010–2017 The Apache Software Foundation. All rights reserved.