public Partition<T> getAppendPartition(long timestamp) throws JournalException {
int sz = partitions.size();
if (sz > 0) {
Partition<T> par = partitions.getQuick(sz - 1);
Interval interval = par.getInterval();
if (interval == null || interval.contains(timestamp)) {
return par.open().access();
} else if (interval.isBefore(timestamp)) {
return createPartition(new Interval(timestamp, getMetadata().getPartitionType()), sz);
} else {
throw new JournalException("%s cannot be appended to %s", Dates.toString(timestamp), this);
}
} else {
return createPartition(new Interval(timestamp, getMetadata().getPartitionType()), 0);
}
}
private void switchAppendPartition(long timestamp) throws JournalException {
boolean computeTimestampLo = appendPartition == null;
appendPartition = getAppendPartition(timestamp);
Interval interval = appendPartition.getInterval();
if (interval == null) {
appendTimestampHi = Long.MAX_VALUE;
} else {
appendTimestampHi = interval.getHi();
}
if (computeTimestampLo) {
FixedColumn column = appendPartition.getTimestampColumn();
long sz;
if ((sz = column.size()) > 0) {
appendTimestampLo = column.getLong(sz - 1);
}
} else {
appendTimestampLo = appendPartition.getInterval().getLo();
}
}