NodeObserver Design

we call node.ready() after populated plugin devs call create() and populate a node's dir contents programmatically - they then have to call node.ready() manually we discover the node, either because it's been copied in or because we've just restarted, and call node.ready()

Interfaces

NodeObserver

• onNodeReady(Node n);

Node

• addObserver(NodeObserver o);
• NodeProperties nodeProperties(String pluginName);
• ready();

NodeProperties

• setProperty(String name, String value);
• String getProperty(String name);

NodeProperties uses node.storageDir to get the location of the persistence store .e.g new File(node.storageDir(pluginName), "plugin.properties") is do we have an issue with live get/set (similar to other conf files) here

ObserverList

(private class to store observers of a node)