Class: NotifyHub

Inherits:

Object

• Object
• NotifyHub

show all

Defined in:

lib/notifyhub.rb

Overview

require 'notifyhub'

# Create class that includes interesting events.
class Storage

    # Handle to NotifyHub.
    attr_accessor :hub

    def initialize
        # Create NotifyHub.
        @hub = NotifyHub.declare( :store, :load, :na )
    end

    # Store data and notify clients.
    def store( data )
        @data = data
        @hub[ :store ].notify( @data )
    end

    # Load data and notify clients.
    def load
        @hub[ :load ].notify( @data )
        @data
    end
end

storage = Storage.new

# Setup notify action for store.
storage.hub[ :store ].action do |data|
    puts "store: #{data}"
end

# Setup notify action for load.
storage.hub[ :load ].action do |data|
    puts "load: #{data}"
end

# Use storage and get notifications.
storage.store( "my data" )
data = storage.load

Defined Under Namespace

Classes: NotFound, Redefining

Instance Attribute Summary (collapse)

• - (Object) autodeclare

  Declare sets automatically at action registration.

Class Method Summary (collapse)

• + (Object) auto(*id)

  Create NotifyHub and with autodeclare for sets.

• + (Object) create { ... }

  Create NotifyHub and run block with it.

• + (Object) declare(*id)

  Create NotifyHub and declare sets.

Instance Method Summary (collapse)

• - (NotifySet) [](id)

  Get NotifySet by ID.

• - (Object) action(id, &action) (also: #register, #with)

  Register action to NotifySet.

• - (Object) declare(*id)

  Declare Notify by set.

• - (Object) enable(id, value)

  Enable/disable Notify set or all if not set.

• - (Array<Symbol>) ids

  Get list of NotifySet IDs.

• - (NotifyHub) initialize(*id) constructor

  Instantiation.

• - (Object) notify(id, *args)

  Run all notifiers in Notify set.

• - (Object) remove(id, notify = nil)

  Remove all or one Notify.

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# File 'lib/notifyhub.rb', line 107

def initialize( *id )
    @autodeclare = false
    @set = {}
    declare( *id )
end

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# File 'lib/notifyhub.rb', line 63

def autodeclare
  @autodeclare
end

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# File 'lib/notifyhub.rb', line 85

def NotifyHub.auto( *id )
    n = NotifyHub.new( *id )
    n.autodeclare = true
    n
end

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# File 'lib/notifyhub.rb', line 95

def NotifyHub.create( &blk )
    cg = NotifyHub.new
    if block_given?
        cg.instance_eval( &blk )
    end
    cg
end

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# File 'lib/notifyhub.rb', line 76

def NotifyHub.declare( *id )
    NotifyHub.new( *id )
end

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# File 'lib/notifyhub.rb', line 186

def []( id )
    useSet( id ) do |set|
        set
    end
end

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# File 'lib/notifyhub.rb', line 133

def action( id, &action )
    useSet( id ) do |set|
        set.action( &action )            
    end
end

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# File 'lib/notifyhub.rb', line 117

def declare( *id )
    id.each do |i|
        if @set[ i ]
            raise Redefining, "Notify set already declared: #{i.to_s}"
        else
            @set[ i ] = NotifySet.new( i )
        end
    end
end

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# File 'lib/notifyhub.rb', line 158

def enable( id, value )
    if id
        withSet( id ) do |set|
            set.enable = value
        end
    else
        @set.each_value do |set|
            set.enable = value
        end
    end
end

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# File 'lib/notifyhub.rb', line 196

def ids
    @set.keys
end

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# File 'lib/notifyhub.rb', line 175

def notify( id, *args )
    withSet( id ) do |set|
        set.notify( *args )
    end
end

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# File 'lib/notifyhub.rb', line 147

def remove( id, notify = nil )
    withSet( id ) do |set|
        set.remove( notify )
    end
end