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Optimize JPA Entity Definition

I need someone to redesign the JPA entity descriptions for a few classes I'm using with Google App Engine so they they use fewer writes, while still supporting the types of queries I need to be able to perform.

There are three basic classes:

- User (contains as uuid)

- Session (associated with user, contains a list of events)

- Event (associated with a user and session).

I've attached the classes as they are now. I suspect the Map are the issues.

Skills: Google App Engine, Java

See more: optimize jpa, JPA, java jpa, google issues, app session, using google app engine, App redesign, php upcoming events script user panel, optimize google, android app list events, visual basic webbrowser session, list events specific event log, data modeling using entity relationship model, customising list events joomla jevents, use jpa, google gadget reference entity domain must end delimiter, app engine java, using jpa, uuid, use google app engine, basic google app engine, wordpress events calendar user, types writes, list events drupal, use google map java

About the Employer:
( 55 reviews ) Seattle, United States

Project ID: #4184982

5 freelancers are bidding on average $154 for this job

aoefmpes

i'm ready to do it, pl check your inbox

$140 USD in 3 days
(24 Reviews)
4.6
dimplex

Hi, I requested some more info in a private message. Rumen

$180 USD in 3 days
(20 Reviews)
4.3
ankur150889

Hello, Please have a look at my demos enclosed.

$100 USD in 3 days
(4 Reviews)
3.2
chinbochen

Hi, I've worked on JPA for years, Let me fix your problem.

$200 USD in 2 days
(1 Review)
0.0
ImagineSoftLanka

hi please refer the PM.

$150 USD in 7 days
(0 Reviews)
0.0