void flushLedgerEntries(long l, List<LedgerEntryPage> entries) throws IOException {
FileInfo fi = null;
try {
Collections.sort(
entries,
new Comparator<LedgerEntryPage>() {
@Override
public int compare(LedgerEntryPage o1, LedgerEntryPage o2) {
return (int) (o1.getFirstEntry() - o2.getFirstEntry());
}
});
int[] versions = new int[entries.size()];
try {
fi = getFileInfo(l, null);
} catch (Bookie.NoLedgerException nle) {
// ledger has been deleted
LOG.info("No ledger {} found when flushing entries.", l);
return;
}
// flush the header if necessary
relocateIndexFileAndFlushHeader(l, fi);
int start = 0;
long lastOffset = -1;
for (int i = 0; i < entries.size(); i++) {
versions[i] = entries.get(i).getVersion();
if (lastOffset != -1 && (entries.get(i).getFirstEntry() - lastOffset) != entriesPerPage) {
// send up a sequential list
int count = i - start;
if (count == 0) {
LOG.warn("Count cannot possibly be zero!");
}
writeBuffers(l, entries, fi, start, count);
start = i;
}
lastOffset = entries.get(i).getFirstEntry();
}
if (entries.size() - start == 0 && entries.size() != 0) {
LOG.warn("Nothing to write, but there were entries!");
}
writeBuffers(l, entries, fi, start, entries.size() - start);
for (int i = 0; i < entries.size(); i++) {
LedgerEntryPage lep = entries.get(i);
lep.setClean(versions[i]);
}
if (LOG.isDebugEnabled()) {
LOG.debug("Flushed ledger {} with {} pages.", l, entries.size());
}
} finally {
if (fi != null) {
fi.release();
}
}
}
void flushLedgerHeader(long ledger) throws IOException {
FileInfo fi = null;
try {
fi = getFileInfo(ledger, null);
relocateIndexFileAndFlushHeader(ledger, fi);
} catch (Bookie.NoLedgerException nle) {
// ledger has been deleted
LOG.info("No ledger {} found when flushing header.", ledger);
return;
} finally {
if (null != fi) {
fi.release();
}
}
}
