Are We There Yet?

We have a nifty catalog that handles our data operations and keeps copies of the records on the backend, like a cache, if you will. That said, it’s far from finished. Is code ever finished, though? There are loads of things we could add or change to improve it. Here is a list of things we thought of:

• Collections should be hashes, like POJOs, or Maps for quicker look-up.
• Some refactoring would be valuable to have fewer conditional branches based on type. A lot of the methods can only deal with bands and songs and are not prepared for other model types.
• add could return the record just added, or already found, in the catalog
• This is not strictly for the catalog, but we could enhance our model classes with a