public CommitRecordIndex(IRawStore store,Checkpoint checkpoint,IndexMetadata metadata,boolean readOnly){
  super(store,checkpoint,metadata,readOnly);
  this.ser=new Entry.EntrySerializer();
}

public CommitRecordIndex ( IRawStore store , Checkpoint checkpoint , IndexMetadata metadata , boolean readOnly ) { super ( store , checkpoint , metadata , readOnly ) ; this . ser = new Entry . EntrySerializer ( ) ; }
load from the store .
