protected boolean doStoreCheckpoint(
DispatcherState curState, DbusEvent nextEvent, Checkpoint cp, SCN endWinScn)
throws SharedCheckpointException {
// drain all the callbacks ; if there are errors; then return false; prepare to rollback
boolean success = processDataEventsBatch(curState);
if (!success) {
_log.error(
"Consumers did not process callback successfully (callback did not return success). The current checkpoint= "
+ nextEvent.isCheckpointMessage()
+ " end of period marker="
+ nextEvent.isEndOfPeriodMarker());
} else {
try {
// try to store checkpoint; if this doesn't succeed then still return true
storeCheckpoint(curState, cp, endWinScn);
} catch (IOException e) {
_log.error("Checkpoint persisting failed, the checkpoint is : " + cp);
if (isSharedCheckpoint()) {
handleErrStoringSharedCheckpoint();
throw new SharedCheckpointException(e);
}
}
}
return success;
}
public void dumpEventValue(DbusEvent event, DbusEventDecoder eventDecoder) {
if (!event.isEndOfPeriodMarker()) {
eventDecoder.dumpEventValueInJSON(event, _writeChannel);
}
}