Class: DInstaller::DBus::ServiceStatus

Inherits:
Object
  • Object
show all
Defined in:
lib/dinstaller/dbus/service_status.rb

Overview

Represents the status of a D-Installer service and allows to configure callbacks to be called when the status value changes

Constant Summary collapse

IDLE =

Possible values of the service status

"idle"
BUSY = 
"busy"

Instance Method Summary collapse

Constructor Details

#initialize ⇒ ServiceStatus

Constructor

The service status is initialized as idle.



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# File 'lib/dinstaller/dbus/service_status.rb', line 34

def initialize
  @value = IDLE
  @on_change_callbacks = []
end

Instance Method Details

#busy ⇒ self

Note:

Callbacks are called.

Changes the service status value to busy

Returns:

  • (self) 


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# File 'lib/dinstaller/dbus/service_status.rb', line 61

def busy
  change_to(BUSY)
  self
end

#busy? ⇒ Boolean

Whether the current service status value is busy

Returns:

  • (Boolean) 


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# File 'lib/dinstaller/dbus/service_status.rb', line 42

def busy?
  value == BUSY
end

#idle ⇒ self

Note:

Callbacks are called.

Changes the service status value to idle

Returns:

  • (self) 


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# File 'lib/dinstaller/dbus/service_status.rb', line 51

def idle
  change_to(IDLE)
  self
end

#on_change(&block) ⇒ Object

Registers a callback to be called when the service status changes

Parameters:

  • block (Proc) 


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# File 'lib/dinstaller/dbus/service_status.rb', line 69

def on_change(&block)
  @on_change_callbacks << block
end