How to use

getDelegate

method

in

com.netflix.hollow.api.objects.HollowRecord

public HollowObjectCacheProvider(HollowTypeDataAccess typeDataAccess, HollowTypeAPI typeAPI, HollowFactory<T> factory, HollowObjectCacheProvider<T> previous) {
  if(typeDataAccess != null) {
    PopulatedOrdinalListener listener = typeDataAccess.getTypeState().getListener(PopulatedOrdinalListener.class);
    BitSet populatedOrdinals = listener.getPopulatedOrdinals();
    BitSet previousOrdinals = listener.getPreviousOrdinals();
    int length = Math.max(populatedOrdinals.length(), previousOrdinals.length());
    List<T> arr = new ArrayList<T>(length);
    for(int ordinal = 0; ordinal < length; ordinal++) {
      while(ordinal >= arr.size())
        arr.add(null);
      if(previous != null && previousOrdinals.get(ordinal) && populatedOrdinals.get(ordinal)) {
        T cached = previous.getHollowObject(ordinal);
        arr.set(ordinal, cached);
        if(cached instanceof HollowRecord)
          ((HollowCachedDelegate)((HollowRecord)cached).getDelegate()).updateTypeAPI(typeAPI);
      } else if(populatedOrdinals.get(ordinal)){
        arr.set(ordinal, instantiateCachedObject(factory, typeDataAccess, typeAPI, ordinal));
      }
    }
    if(typeDataAccess instanceof HollowTypeReadState) {
      this.factory = factory;
      this.typeAPI = typeAPI;
      this.typeReadState = (HollowTypeReadState)typeDataAccess;
      this.typeReadState.addListener(this);
    }
    this.cachedItems = arr;
  } else {
    this.cachedItems = Collections.emptyList();
  }
}