notify

Description:

public void notify (ParamSpec pspec, bool shadow)

notify is called by subclasses when the value of a metadata variable changes.

It emits the `changed` signal with the variable name as the detail parameter. Set shadow = true if variable is shadowed by a property so that a notify signal is emitted with the property name as the detail parameter.

Parameters:

this	A MetadataStore
pspec	The ParamSpec used to declare the variable.
shadow	The metadata variable shadows a property.