TTLogBlock block = this.readBlock();
if (block == null) {
return null;
}
// ack
MessageKey key = block.getKey();
key.ack();
List<Object> list = new ArrayList<Object>(NEW_ENTRIES_COUNT);
String buffer = new String(block.getBuffer());
for (String mesgStr : buffer.split("[\n\r]", -1)) {
list.add(mesgStr);