Class: CorosyncCommander::CallbackList

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/corosync_commander/callback_list.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ CallbackList 



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# File 'lib/corosync_commander/callback_list.rb', line 4

def initialize
  @callbacks = {}
  @callbacks.extend(Sync_m)
end

Instance Method Details

#[](command) ⇒ Proc

Retrieve a registered command callback



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# File 'lib/corosync_commander/callback_list.rb', line 51

def [](command)
  @callbacks.synchronize(:SH) do
    @callbacks[command]
  end
end

#[]=(command, block) ⇒ Proc

Assign a callback

Examples:

cc.commands['my command'] = Proc.new do
  puts "Hello world!"
end



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# File 'lib/corosync_commander/callback_list.rb', line 28

def []=(command, block)
  @callbacks.synchronize(:EX) do
    @callbacks[command] = block
  end
  block
end

#delete(command) ⇒ Proc

Delete a command callback



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# File 'lib/corosync_commander/callback_list.rb', line 60

def delete(command)
  @callbacks.synchronize(:EX) do
    @callbacks.delete(command)
  end
end

#each {|command, callback| ... } ⇒ Object

Iterate through each command/callback

Yield Parameters:

  • command (String) —

    Name of command

  • callback (Proc) —

    Proc to be executed upon receiving command



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# File 'lib/corosync_commander/callback_list.rb', line 12

def each(&block)
  callbacks = nil
  @callbacks.synchronize(:SH) do
    callbacks = @callbacks.dup
  end
  callbacks.each(&block)
end

#register(command, &block) ⇒ Proc

Assign a callback This is another method of assigning a callback

Examples:

cc.commands.register('my command') do
  puts "Hellow world!"
end



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# File 'lib/corosync_commander/callback_list.rb', line 44

def register(command, &block)
  self[command] = block
end