@Override
public InternalScanner preCompactScannerOpen(
final ObserverContext<RegionCoprocessorEnvironment> c,
Store store,
List<? extends KeyValueScanner> scanners,
ScanType scanType,
long earliestPutTs,
InternalScanner s)
throws IOException {
Long newTtl = ttls.get(store.getTableName());
Integer newVersions = versions.get(store.getTableName());
ScanInfo oldSI = store.getScanInfo();
HColumnDescriptor family = store.getFamily();
ScanInfo scanInfo =
new ScanInfo(
family.getName(),
family.getMinVersions(),
newVersions == null ? family.getMaxVersions() : newVersions,
newTtl == null ? oldSI.getTtl() : newTtl,
family.getKeepDeletedCells(),
oldSI.getTimeToPurgeDeletes(),
oldSI.getComparator());
Scan scan = new Scan();
scan.setMaxVersions(newVersions == null ? oldSI.getMaxVersions() : newVersions);
return new StoreScanner(
store, scanInfo, scan, scanners, scanType, store.getSmallestReadPoint(), earliestPutTs);
}
@Override
public KeyValueScanner preStoreScannerOpen(
final ObserverContext<RegionCoprocessorEnvironment> c,
Store store,
final Scan scan,
final NavigableSet<byte[]> targetCols,
KeyValueScanner s)
throws IOException {
TableName tn = store.getTableName();
if (!tn.isSystemTable()) {
Long newTtl = ttls.get(store.getTableName());
Integer newVersions = versions.get(store.getTableName());
ScanInfo oldSI = store.getScanInfo();
HColumnDescriptor family = store.getFamily();
ScanInfo scanInfo =
new ScanInfo(
family.getName(),
family.getMinVersions(),
newVersions == null ? family.getMaxVersions() : newVersions,
newTtl == null ? oldSI.getTtl() : newTtl,
family.getKeepDeletedCells(),
oldSI.getTimeToPurgeDeletes(),
oldSI.getComparator());
return new StoreScanner(
store,
scanInfo,
scan,
targetCols,
((HStore) store).getHRegion().getReadpoint(IsolationLevel.READ_COMMITTED));
} else {
return s;
}
}
@Override
public InternalScanner preFlushScannerOpen(
final ObserverContext<RegionCoprocessorEnvironment> c,
Store store,
KeyValueScanner memstoreScanner,
InternalScanner s)
throws IOException {
Long newTtl = ttls.get(store.getTableName());
if (newTtl != null) {
System.out.println("PreFlush:" + newTtl);
}
Integer newVersions = versions.get(store.getTableName());
ScanInfo oldSI = store.getScanInfo();
HColumnDescriptor family = store.getFamily();
ScanInfo scanInfo =
new ScanInfo(
family.getName(),
family.getMinVersions(),
newVersions == null ? family.getMaxVersions() : newVersions,
newTtl == null ? oldSI.getTtl() : newTtl,
family.getKeepDeletedCells(),
oldSI.getTimeToPurgeDeletes(),
oldSI.getComparator());
Scan scan = new Scan();
scan.setMaxVersions(newVersions == null ? oldSI.getMaxVersions() : newVersions);
return new StoreScanner(
store,
scanInfo,
scan,
Collections.singletonList(memstoreScanner),
ScanType.COMPACT_RETAIN_DELETES,
store.getSmallestReadPoint(),
HConstants.OLDEST_TIMESTAMP);
}
