def __init__(self, resource, field, callback, poll_interval, event_queue, poll_pool):
self.field = field<EOL>self.resource = resource<EOL>self.callback = callback<EOL>self.poll_interval = poll_interval<EOL>self.event_queue = event_queue<EOL>self.poll_pool = poll_pool<EOL>self._previous_value = self._get_field_value()<EOL>
Initialise a Monitor instance

        See above for definitions of arguments