* {@link #properties}, {@link #mediaMetadata}, {@link #entryMetadata}, {@link #expandSelectTree}).
*/
private void ensureODataEntryExists() {
if (resultEntry == null) {
properties = new HashMap<String, Object>();
mediaMetadata = new MediaMetadataImpl();
entryMetadata = new EntryMetadataImpl();
expandSelectTree = new ExpandSelectTreeNodeImpl();
resultEntry = new ODataEntryImpl(properties, mediaMetadata, entryMetadata, expandSelectTree);
}