Authorizer: Authorizer
In j2scode/NLPStudio: Natural Language Processing Environment

Authorizer Class which maintains the authentication and access policy and authorizes activities.

1	Authorizer

`class`	Character string containing the name of valid class in the NLPStudio package.
`attributes`	Vector containing the names of the attributes of the class.
`subject`	Character string containing the name of the active class requesting access.
`object`	Character string containing the name of the class to which access is being requested.
`attribute`	Character string containing the name of the class's attribute to which access is being requested.
`type`	Character representing the type of access being requested. Valid types are "r" for read and "w" for write access.

An object of class R6ClassGenerator of length 24.

Authorizer Methods:

new(): Instantiates the authorizer.
addClass(class, attributes): Adds a class and its attributes to the list of valid classes and attributes

removeClass(class): Removes a class from the Authorizer.
addAttribute(class, attribute): Adds an attribute to a class.
removeAttribute(class): Removes an attribute from a class .
addPolicy(subject, object, attribute, type): Creates an authorization policy.
removePolicy(subject, object = null, attribute = null): Removes a policy based upon the parameters presented. The parameters are validated from left to right. e.g. if attribute is sent, the object can not be null.
authorize(subject, object, attribute, type): Returns true if the subject is authorized to perform the requested type of action on the attribute.