public static Collection<Bucket> getBuckets(MapWritable key) {
Collection<Bucket> bucketList = new ArrayList<Bucket>();
MapWritable bucketMap = (MapWritable) key.get(MAPWRITABLE_BUCKET_KEY);
for (Writable w : bucketMap.values()) {
bucketList.add((Bucket) w);
}
return bucketList;
}
public MapWritable getBucketAsKey(BucketStripped bucketStripped) throws IOException {
MapWritable mw = new MapWritable();
MapWritable bucketMap = new MapWritable();
Bucket bucket = getBucket(bucketStripped);
bucketMap.put(new IntWritable(bucket.hashCode()), bucket);
mw.put(MAPWRITABLE_BUCKET_KEY, bucketMap);
return mw;
}
public MapWritable toMapWritableKey() {
MapWritable mw = new MapWritable();
MapWritable bucketMap = new MapWritable();
for (IntWritable key : bucketCache.keySet()) {
bucketMap.put(key, bucketCache.get(key));
}
mw.put(MAPWRITABLE_BUCKET_KEY, bucketMap);
return mw;
}