use of org.h2.mvstore.StreamStore in project jackrabbit-oak by apache.
the class BlobCache method addGeneration.
@Override
public void addGeneration(int generation, boolean readOnly) {
CacheMap<Long, byte[]> d = cache.openMap(generation, "data", new MVMap.Builder<Long, byte[]>());
data.addReadMap(generation, d);
CacheMap<String, byte[]> m = cache.openMap(generation, "meta", new MVMap.Builder<String, byte[]>());
meta.addReadMap(generation, m);
if (!readOnly) {
// the order is important:
// if we switch the data first,
// we could end up with the data in store 1
// but the metadata in store 2 - which could
// result in a data block not found if store 1
// is removed later on
meta.setWriteMap(m);
data.setWriteMap(d);
}
if (streamStore == null) {
streamStore = new StreamStore(data);
}
}
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