public int[] executeBatch() throws BatchUpdateException {
if (batches == null) return new int[0];
final int[] result = new int[batches.size()];
BatchUpdateException failed = null;
for (int i = 0; i < result.length; i++) {
try {
result[i] = executeUpdate((String) batches.get(i));
} catch (SQLException ex) {
result[i] = EXECUTE_FAILED;
if (failed == null) {
failed =
new BatchUpdateException(
ex.getMessage(), ex.getSQLState(), ex.getErrorCode(), result);
failed.initCause(ex);
}
failed.setNextException(ex);
}
}
batches.clear();
if (failed != null) throw failed;
return result;
}
