/**
* Gets the persistent IDs of the documents in this corpus.
*
* @return a {@link List} of Objects representing the persistent IDs of the documents in this
* corpus.
*/
public List<Object> getDocumentPersistentIDs() {
List<Object> docsIDs = new ArrayList<Object>();
if (docDataList == null) return docsIDs;
Iterator<DocumentData> iter = docDataList.iterator();
while (iter.hasNext()) {
DocumentData data = iter.next();
docsIDs.add(data.getPersistentID());
}
return docsIDs;
}
/** Called by a datastore when a resource has been deleted */
@Override
public void resourceDeleted(DatastoreEvent evt) {
DataStore ds = (DataStore) evt.getSource();
// 1. check whether this datastore fired the event. If not, return.
if (!ds.equals(this.dataStore)) return;
Object docID = evt.getResourceID();
if (docID == null) return;
if (DEBUG) Out.prln("Resource deleted called for: " + docID);
// first check if it is this corpus that's been deleted, it must be
// unloaded immediately
if (docID.equals(this.getLRPersistenceId())) {
Factory.deleteResource(this);
return;
} // if
boolean isDirty = false;
// the problem here is that I only have the doc persistent ID
// and nothing else, so I need to determine the index of the doc
// first
for (int i = 0; i < docDataList.size(); i++) {
DocumentData docData = docDataList.get(i);
// we've found the correct document
// don't break the loop, because it might appear more than once
if (docID.equals(docData.getPersistentID())) {
if (evt.getResource() == null) {
// instead of calling remove() which tries to load the
// document
// remove it from the documents and docDataList
documentRemoved(docDataList.get(i).persistentID.toString());
docDataList.remove(i);
documents.remove(i);
isDirty = true;
i--;
continue;
}
remove(i);
isDirty = true;
} // if
} // for loop through the doc data
if (isDirty)
try {
this.dataStore.sync(this);
} catch (PersistenceException ex) {
throw new GateRuntimeException("SerialCorpusImpl: " + ex.getMessage());
} catch (SecurityException sex) {
throw new GateRuntimeException("SerialCorpusImpl: " + sex.getMessage());
}
} // resourceDeleted
public int findDocument(Document doc) {
boolean found = false;
DocumentData docData = null;
// first try finding the document in memory
int index = documents.indexOf(doc);
if (index > -1 && index < docDataList.size()) return index;
// else try finding a document with the same name and persistent ID
Iterator<DocumentData> iter = docDataList.iterator();
for (index = 0; iter.hasNext(); index++) {
docData = iter.next();
if (docData.getDocumentName().equals(doc.getName())
&& docData.getPersistentID().equals(doc.getLRPersistenceId())
&& docData.getClassType().equals(doc.getClass().getName())) {
found = true;
break;
}
}
if (found && index < docDataList.size()) return index;
else return -1;
} // findDocument
