/**
* Cancels any ongoing data loading.
*
* @param loaderID The identifier of the loader.
*/
void cancel(int loaderID) {
MetadataLoader loader = loaders.get(loaderID);
if (loader != null) {
loader.cancel();
loaders.remove(loaderID);
}
}
/**
* Sets the object in the {@link MetadataViewer#DISCARDED} state. Any ongoing data loading will be
* cancelled.
*/
void discard() {
state = MetadataViewer.DISCARDED;
loaders.entrySet().iterator();
Iterator<Entry<Integer, MetadataLoader>> i = loaders.entrySet().iterator();
MetadataLoader loader;
while (i.hasNext()) {
loader = i.next().getValue();
if (loader != null) loader.cancel();
}
loaders.clear();
if (multiDataLoader != null) multiDataLoader.cancel();
}