@SuppressWarnings("unchecked")
private void loadExternalFileDictionary(IndexSchema schema, SolrResourceLoader loader) {
try {
// Get the field's analyzer
if (fieldTypeName != null && schema.getFieldTypeNoEx(fieldTypeName) != null) {
FieldType fieldType = schema.getFieldTypes().get(fieldTypeName);
// Do index-time analysis using the given fieldType's analyzer
RAMDirectory ramDir = new RAMDirectory();
IndexWriter writer =
new IndexWriter(
ramDir, fieldType.getAnalyzer(), true, IndexWriter.MaxFieldLength.UNLIMITED);
writer.setMergeFactor(300);
writer.setMaxBufferedDocs(150);
List<String> lines = loader.getLines(sourceLocation, characterEncoding);
for (String s : lines) {
Document d = new Document();
d.add(new Field(WORD_FIELD_NAME, s, Field.Store.NO, Field.Index.TOKENIZED));
writer.addDocument(d);
}
writer.optimize();
writer.close();
dictionary = new HighFrequencyDictionary(IndexReader.open(ramDir), WORD_FIELD_NAME, 0.0f);
} else {
// check if character encoding is defined
if (characterEncoding == null) {
dictionary = new PlainTextDictionary(loader.openResource(sourceLocation));
} else {
dictionary =
new PlainTextDictionary(
new InputStreamReader(loader.openResource(sourceLocation), characterEncoding));
}
}
} catch (IOException e) {
log.error("Unable to load spellings", e);
}
}
