Advice on Designing Data Adapaters

[marco.testa]

A simple object will do the job

<br /> <br /> var subscriptions = {};<br /> <br /> // add a subscription<br /> subscriptions[itemName] = true;<br /> <br /> // test if an item name is already subscribed<br /> if (itemName in subscriptions) {<br /> // put code here<br /> }<br /> <br /> // remove a subdcription<br /> delete subscriptions[itemName];<br /> <br />