code: private void init(String cacheName, NamedCache cache,
                        IdGenerator idGenerator,
                        IdExtractor idExtractor) {
          m_cacheName   = cacheName;
          m_cache       = cache;
          m_idGenerator = idGenerator;
          m_idExtractor = idExtractor;
      }
docs: Initializes CoherenceCacheTarget instance.
  
  @param cacheName   the name of the cache to load objects into
  @param cache       the cache to load objects into
  @param idGenerator identity generator to use to determine key
  @param idExtractor identity extractor to use to determine key