private void addReferenceFiles(
RegionVisitor visitor,
Object regionData,
Object familyData,
Collection<StoreFileInfo> storeFiles,
boolean isMob)
throws IOException {
final String fileType = isMob ? "mob file" : "hfile";
if (LOG.isDebugEnabled()) {
LOG.debug(String.format("Adding snapshot references for %s %ss", storeFiles, fileType));
}
int i = 0;
int sz = storeFiles.size();
for (StoreFileInfo storeFile : storeFiles) {
monitor.rethrowException();
LOG.debug(
String.format(
"Adding reference for %s (%d/%d): %s", fileType, ++i, sz, storeFile.getPath()));
// create "reference" to this store file.
visitor.storeFile(regionData, familyData, storeFile);
}
}
/**
* Creates a 'manifest' for the specified region, by reading directly from the HRegion object.
* This is used by the "online snapshot" when the table is enabled.
*/
public void addRegion(final HRegion region) throws IOException {
// 0. Get the ManifestBuilder/RegionVisitor
RegionVisitor visitor = createRegionVisitor(desc);
// 1. dump region meta info into the snapshot directory
LOG.debug("Storing '" + region + "' region-info for snapshot.");
Object regionData = visitor.regionOpen(region.getRegionInfo());
monitor.rethrowException();
// 2. iterate through all the stores in the region
LOG.debug("Creating references for hfiles");
for (Store store : region.getStores()) {
// 2.1. build the snapshot reference for the store
Object familyData = visitor.familyOpen(regionData, store.getFamily().getName());
monitor.rethrowException();
List<StoreFile> storeFiles = new ArrayList<StoreFile>(store.getStorefiles());
if (LOG.isDebugEnabled()) {
LOG.debug("Adding snapshot references for " + storeFiles + " hfiles");
}
// 2.2. iterate through all the store's files and create "references".
for (int i = 0, sz = storeFiles.size(); i < sz; i++) {
StoreFile storeFile = storeFiles.get(i);
monitor.rethrowException();
// create "reference" to this store file.
LOG.debug("Adding reference for file (" + (i + 1) + "/" + sz + "): " + storeFile.getPath());
visitor.storeFile(regionData, familyData, storeFile.getFileInfo());
}
visitor.familyClose(regionData, familyData);
}
visitor.regionClose(regionData);
}
