public GaValuesRetriever(String modelFileAbsolutePath) throws IOException {
  this.modelFileAbsolutePath=modelFileAbsolutePath;
}

public GaValuesRetriever ( String modelFileAbsolutePath ) throws IOException { this . modelFileAbsolutePath = modelFileAbsolutePath ; }
constructs a new map of names to accessions based upon the model file passed in as an argument .
