OverviewFor a global overview of metadata in SIS, see the
|Class hierarchy||Aggregation hierarchy|
ISO 19115 metadata|
Null values, nil objects and collectionsAll constructors and setter methods accept
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
ClassDescriptionInformation 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.Deprecated.To be removed after migration to GeoAPI 4.0.