Class: Rbcli::State::LocalStorage

Inherits:
StateStorage show all
Defined in:
lib/rbcli/stateful_systems/storagetypes/localstate.rb

Defined Under Namespace

Classes: LocalStateError

Instance Method Summary collapse

Methods inherited from StateStorage

#[], #[]=, #clear, #commit, #delete, #disconnect, #each, #initialize, #key?, #rbclidata, #refresh, #set_rbclidata, #to_h, #to_s

Constructor Details

This class inherits a constructor from Rbcli::State::StateStorage

Instance Method Details

#create_state ⇒ Object 



33
34
35
36
37
38
39
40
 
# File 'lib/rbcli/stateful_systems/storagetypes/localstate.rb', line 33

def create_state
  begin
    FileUtils.mkdir_p File.dirname(@path)
    FileUtils.touch @path
  rescue Errno::EACCES => e
    error "Can not create file #{@path}. Please make sure the directory is writeable." if @halt_on_error
  end
end

#error(text) ⇒ Object 



58
59
60
 
# File 'lib/rbcli/stateful_systems/storagetypes/localstate.rb', line 58

def error text
  raise LocalStateError.new "Error accessing local state: #{text}"
end

#load_state ⇒ Object 



42
43
44
45
46
47
48
 
# File 'lib/rbcli/stateful_systems/storagetypes/localstate.rb', line 42

def load_state
  begin
    @data = JSON.parse(File.read(@path)).deep_symbolize!
  rescue Errno::ENOENT, Errno::EACCES => e
    error "Can not read from file #{@path}. Please make sure the file exists and is readable." if @halt_on_error
  end
end

#save_state ⇒ Object 



50
51
52
53
54
55
56
 
# File 'lib/rbcli/stateful_systems/storagetypes/localstate.rb', line 50

def save_state
  begin
    File.write @path, JSON.dump(@data)
  rescue Errno::ENOENT, Errno::EACCES => e
    error "Can not write to file #{@path}. Please make sure the file exists and is writeable." if @halt_on_error
  end
end

#state_exists? ⇒ Boolean

Returns:

  • (Boolean) 


29
30
31
 
# File 'lib/rbcli/stateful_systems/storagetypes/localstate.rb', line 29

def state_exists?
  File.exists? @path
end

#state_subsystem_init ⇒ Object 



25
26
27
 
# File 'lib/rbcli/stateful_systems/storagetypes/localstate.rb', line 25

def state_subsystem_init
  @path = File.expand_path @path
end