protected void addFields(Row row, List<IndexedField> fields) throws IOException {
if (fields == null) return;
for (IndexedField indexedField : fields) {
ValueSource value = row.value(indexedField.getPosition());
Field field = indexedField.getField(value);
currentDocument.add(field);
}
}
public void indexRow(Row row) throws IOException {
if (row == null) {
addDocument();
return;
}
RowType rowType = row.rowType();
Integer ancestorDepth = ancestorRowTypes.get(rowType);
if (ancestorDepth != null) {
ancestors[ancestorDepth] = row;
if (ancestorDepth == ancestors.length - 1) {
addDocument();
currentDocument = new Document();
getKeyBytes(row);
addFields(row, fieldsByRowType.get(rowType));
for (int i = 0; i < ancestors.length - 1; i++) {
Row ancestor = ancestors[i];
if (ancestor != null) {
// We may have remembered an ancestor with no
// children and then this row is an orphan.
if (ancestor.ancestorOf(row)) {
addFields(ancestor, fieldsByRowType.get(ancestor.rowType()));
} else {
ancestors[i] = null;
}
}
}
}
} else if (descendantRowTypes.contains(rowType)) {
Row ancestor = ancestors[ancestors.length - 1];
if ((ancestor != null) && ancestor.ancestorOf(row)) {
addFields(row, fieldsByRowType.get(rowType));
}
}
}
protected void getKeyBytes(Row row) {
Key key = ((PersistitHKey) row.hKey()).key();
keyEncodedString = encodeBytes(key.getEncodedBytes(), 0, key.getEncodedSize());
Field field = new StringField(IndexedField.KEY_FIELD, keyEncodedString, Store.YES);
currentDocument.add(field);
}