IdentifierHashTable< T > Node1 IdentifierHashTable< T > - m_idToHash + IdentifierHashTable() + IdentifierHashTable() + clear() + size() + checkValidity() + addEntry() + getHash() + getIdentifier() + dump() + dumpToString() + defaultHashValue() Node2 std::vector< IdType > + elements Node2->Node1 -m_hashToId