openHAB

Class: OpenHAB::Core::Things::ChannelUID

Inherits:
Object
  • Object
show all
Defined in:
lib/openhab/core/things/channel_uid.rb

Overview

ChannelUID represents a unique identifier for channels.

Instance Attribute Summary collapse

Instance Attribute Details

#item ⇒ Item? (readonly)

Return the item if this channel is linked with an item. If a channel is linked to more than one item, this method only returns the first item.

Returns:



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# File 'lib/openhab/core/things/channel_uid.rb', line 33

def item
  items.first
end

#items ⇒ Array<Item> (readonly)

Returns all of the channel's linked items.

Returns:

  • (Array<Item>) —

    An array of things or an empty array



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# File 'lib/openhab/core/things/channel_uid.rb', line 44

def items
  registry = OSGi.service("org.openhab.core.thing.link.ItemChannelLinkRegistry")
  registry.get_linked_items(self).map { |i| Items::Proxy.new(i) }
end

#thing ⇒ Thing? (readonly)

Return the thing this channel is associated with.

Returns:



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# File 'lib/openhab/core/things/channel_uid.rb', line 21

def thing
  EntityLookup.lookup_thing(thing_uid)
end