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Java

Posted by Adam Sawicki
Adam Sawicki
15,967 Points

"gifs" modelMap key declared in two places

Hi,

Does @Chris Ramacciotti or somebody else can clarify my consideration about adding entries to modelMap? In this challange entry to modelMap with key "gifs" is being added in two places : GifController and CategoryController. To put it simple, how it is possible? Does one of them override the other ? Does modelMap is global data structure or it is bound to certain method?

Regards, Adam

1 Answer

Florian Tönjes
.a{fill-rule:evenodd;}techdegree seal-36
Florian Tönjes
Full Stack JavaScript Techdegree Graduate 50,856 Points

Hi Adam,

to make it short, the modelMap is only bound to local scope in the controller methods. The modelMap of the gifDetails() method of the GifController class is only bound to the scope of this gifDetails() method. Perhaps have a look at this link and see if it helps you understand the concept: Java scopes

Kind Regards, Florian

Adam Sawicki
Adam Sawicki
15,967 Points

Generally I understand concept of scopes but firstly I thought that Spring framework maintains an instance of modelMap to global use. Thanks for clarify this.