public TxId2CommitTimeIndex(final IRawStore store,final Checkpoint checkpoint,final IndexMetadata metadata,boolean readOnly){
  super(store,checkpoint,metadata,readOnly);
}

public TxId2CommitTimeIndex ( final IRawStore store , final Checkpoint checkpoint , final IndexMetadata metadata , boolean readOnly ) { super ( store , checkpoint , metadata , readOnly ) ; }
load from the store .
