anchor.diff:  #import "<%=header%>"
   
  -NSMutableArray * entities(){
  -static NSMutableArray * _entities = nil;
  -    if(!_entities){
  -        _entities = [[NSMutableArray alloc] init];
  -    }
  -    return _entities;
  -}
   
   
   <%classes.each do |klass|%>
  
positive.code:     <%end%>
  
      [entity setProperties:properties];
      [entities() addObject:entity];
      return entity;
  }
  
  
negative.code: @end
  
  <%end%>
  
  
  
  NSMutableArray * entities(){
  static NSMutableArray * _entities = nil;
      if(!_entities){
          _entities = [[NSMutableArray alloc] init];
          <%classes.each do |klass|%>
          [_entities addObject:[<%=klass.objc_class%> initializeCoreData]];
          <%end%>
      }
      return _entities;
  }
  