private Collection<? extends IMutation> getMutations(BatchQueryOptions options, boolean local, long now) throws RequestExecutionException, RequestValidationException { Map<String, Map<ByteBuffer, IMutation>> mutations = new HashMap<>(); for (int i = 0; i < statements.size(); i++) { ModificationStatement statement = statements.get(i); QueryOptions statementOptions = options.forStatement(i); long timestamp = attrs.getTimestamp(now, statementOptions); addStatementMutations(statement, statementOptions, local, timestamp, mutations); } return unzipMutations(mutations); }