public void addTransformation(TagTransformation tagTransformation){
  if (tagTransformation != null) {
    mappings.put(tagTransformation.getSourceTag(),tagTransformation);
  }
}

public void addTransformation ( TagTransformation tagTransformation ) { if ( tagTransformation != null ) { mappings . put ( tagTransformation . getSourceTag ( ) , tagTransformation ) ; } }
adds specified tag transformation to the collection .
