+
+ def verify_status
+ changed_attributes = self.changed
+
+ if 'state'.in? changed_attributes
+ case self.state
+ when New, Ready, Paused
+ self.active = nil
+ self.success = nil
+ when RunningOnServer
+ self.active = true
+ self.success = nil
+ when RunningOnClient
+ self.active = false
+ self.success = nil
+ when Failed
+ self.active = false
+ self.success = false
+ self.state = Failed # before_validation will fail if false is returned in the previous line
+ when Complete
+ self.active = false
+ self.success = true
+ else
+ return false
+ end
+ elsif 'success'.in? changed_attributes
+ if self.success
+ self.active = false
+ self.state = Complete
+ else
+ self.active = false
+ self.state = Failed
+ end
+ elsif 'active'.in? changed_attributes
+ if self.active
+ if self.state == New || self.state == Ready || self.state == Paused
+ self.state = RunningOnServer
+ end
+ else
+ if self.components_look_ready?
+ self.state = Ready
+ else
+ self.state = New
+ end
+ end
+ end
+
+ if 'components'.in? changed_attributes
+ if self.components_look_ready? && (!self.state || self.state == New)
+ self.state = Ready
+ end
+ end
+ end
+
+ def set_state_before_save
+ if !self.state || self.state == New || self.state == Ready || self.state == Paused
+ if self.active
+ self.state = RunningOnServer
+ elsif self.components_look_ready? && (!self.state || self.state == New)
+ self.state = Ready
+ end
+ end
+ end
+