@Override
public boolean add(Document o) {
if (o == null) return false;
Document doc = o;
// make it accept only docs from its own datastore
if (doc.getDataStore() != null && !this.dataStore.equals(doc.getDataStore())) {
Err.prln("Error: Persistent corpus can only accept documents " + "from its own datastore!");
return false;
} // if
// add the document with its index in the docDataList
// in this case, since it's going to be added to the end
// the index will be the size of the docDataList before
// the addition
DocumentData docData =
new DocumentData(doc.getName(), doc.getLRPersistenceId(), doc.getClass().getName());
boolean result = docDataList.add(docData);
documents.add(doc);
documentAdded(doc);
fireDocumentAdded(
new CorpusEvent(
SerialCorpusImpl.this,
doc,
docDataList.size() - 1,
doc.getLRPersistenceId(),
CorpusEvent.DOCUMENT_ADDED));
return result;
}
@Override
public void add(int index, Document o) {
if (o == null) return;
Document doc = o;
DocumentData docData =
new DocumentData(doc.getName(), doc.getLRPersistenceId(), doc.getClass().getName());
docDataList.add(index, docData);
documents.add(index, doc);
documentAdded(doc);
fireDocumentAdded(
new CorpusEvent(
SerialCorpusImpl.this,
doc,
index,
doc.getLRPersistenceId(),
CorpusEvent.DOCUMENT_ADDED));
}
/**
* Constructor to create a SerialCorpus from a transient one. This is called by adopt() to store
* the transient corpus and re-route the methods calls to it, until the corpus is sync-ed on disk.
* After that, the transientCorpus will always be null, so the new functionality will be used
* instead.
*/
protected SerialCorpusImpl(Corpus tCorpus) {
// copy the corpus name and features from the one in memory
this.setName(tCorpus.getName());
this.setFeatures(tCorpus.getFeatures());
docDataList = new ArrayList<DocumentData>();
// now cache the names of all docs for future use
List<String> docNames = tCorpus.getDocumentNames();
for (int i = 0; i < docNames.size(); i++) {
Document doc = tCorpus.get(i);
docDataList.add(new DocumentData(docNames.get(i), null, doc.getClass().getName()));
}
// copy all the documents from the transient corpus
documents = new ArrayList<Document>();
documents.addAll(tCorpus);
// make sure we fire events when docs are added/removed/etc
Gate.getCreoleRegister().addCreoleListener(this);
}
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
public void setTransientSource(Object source) {
if (!(source instanceof Corpus)) return;
// the following initialisation is only valid when we're
// constructing
// this object from a transient one. If it has already been stored
// in
// a datastore, then the initialisation is done in readObject()
// since
// this method is the one called by serialisation, when objects
// are restored.
if (this.dataStore != null && this.lrPersistentId != null) return;
Corpus tCorpus = (Corpus) source;
// copy the corpus name and features from the one in memory
this.setName(tCorpus.getName());
this.setFeatures(tCorpus.getFeatures());
docDataList = new ArrayList<DocumentData>();
// now cache the names of all docs for future use
List<String> docNames = tCorpus.getDocumentNames();
for (int i = 0; i < docNames.size(); i++) {
Document aDoc = tCorpus.get(i);
docDataList.add(new DocumentData(docNames.get(i), null, aDoc.getClass().getName()));
}
// copy all the documents from the transient corpus
documents = new ArrayList<Document>();
documents.addAll(tCorpus);
this.addedDocs = new Vector<Document>();
this.removedDocIDs = new Vector<String>();
this.changedDocs = new Vector<Document>();
// make sure we fire events when docs are added/removed/etc
Gate.getCreoleRegister().addCreoleListener(this);
}
