public MessageGroup getMessageGroup(Object groupId) {
String key = getKey(groupId);
final AtomicReference<Date> createDate = new AtomicReference<Date>();
final AtomicReference<Date> updateDate = new AtomicReference<Date>();
final AtomicReference<Boolean> completeFlag = new AtomicReference<Boolean>();
final AtomicReference<Integer> lastReleasedSequenceRef = new AtomicReference<Integer>();
List<Message<?>> messages =
jdbcTemplate.query(
getQuery(Query.LIST_MESSAGES_BY_GROUP_KEY), new Object[] {key, region}, mapper);
if (messages.size() == 0) {
return new SimpleMessageGroup(groupId);
}
jdbcTemplate.query(
getQuery(Query.GET_GROUP_INFO),
new Object[] {key, region},
new RowCallbackHandler() {
public void processRow(ResultSet rs) throws SQLException {
updateDate.set(rs.getTimestamp("UPDATED_DATE"));
createDate.set(rs.getTimestamp("CREATED_DATE"));
completeFlag.set(rs.getInt("COMPLETE") > 0);
lastReleasedSequenceRef.set(rs.getInt("LAST_RELEASED_SEQUENCE"));
}
});
if (createDate.get() == null && updateDate.get() == null) {
if (logger.isWarnEnabled()) {
for (Message<?> message : messages) {
logger.warn("Missing group row for message id: " + message.getHeaders().getId());
}
}
return new SimpleMessageGroup(groupId);
}
long timestamp = createDate.get().getTime();
boolean complete = completeFlag.get().booleanValue();
SimpleMessageGroup messageGroup =
new SimpleMessageGroup(messages, groupId, timestamp, complete);
messageGroup.setLastModified(updateDate.get().getTime());
int lastReleasedSequenceNumber = lastReleasedSequenceRef.get();
messageGroup.setLastReleasedMessageSequenceNumber(lastReleasedSequenceNumber);
return messageGroup;
}
