private IndexManager()
{
//to force reindexing, uncomment this line
//this.clearAll();
String datapath = "D:\\Data\\original";
docs = new List <DocumentWrapper>();
List <TextDocument> txtdocs = DirectoryReader.getDocuments(datapath);
List <Document> dbDocs = DatabaseAdaptor.getAllDocuments();
bool isAllIndexed = true;
//for each text document, search in the db for a document with the same path. if all documents are in the
// database, then no need to reindex.
foreach (TextDocument txtDoc in txtdocs)
{
// finding a document in the db with the same path means it is indexed
Document doc = DatabaseAdaptor.findDocumentByPath(txtDoc.getPath());
if (doc == null)
{
isAllIndexed = false;
break;
}
else
{
docs.Add(new DocumentWrapper(doc, txtDoc));
}
}
//there still a single case, if the database contains documents more than what we want to index, then reindex.
if (isAllIndexed == false || dbDocs.Count > txtdocs.Count)
{
this.clearAll();
this.docs = new List <DocumentWrapper>();
foreach (TextDocument txtDoc in txtdocs)
{
DocumentWrapper wrapper = this.addDocument(txtDoc.getText(), txtDoc.getTitle(), txtDoc.getPath(), txtDoc.getDate());
this.indexDocument(wrapper);
}
}
// in the following case, all documents are already indexed, so just load them
}
