Class: ActiveSupport::Callbacks::Callback
- Defined in:
- lib/active_support/callbacks.rb
Overview
:nodoc:#
Instance Attribute Summary collapse
-
#chain_config ⇒ Object
readonly
Returns the value of attribute chain_config.
-
#kind ⇒ Object
Returns the value of attribute kind.
-
#name ⇒ Object
Returns the value of attribute name.
Class Method Summary collapse
Instance Method Summary collapse
-
#apply(callback_sequence) ⇒ Object
Wraps code with filter.
- #current_scopes ⇒ Object
- #duplicates?(other) ⇒ Boolean
- #filter ⇒ Object
-
#initialize(name, filter, kind, options, chain_config) ⇒ Callback
constructor
A new instance of Callback.
- #matches?(_kind, _filter) ⇒ Boolean
- #merge_conditional_options(chain, if_option:, unless_option:) ⇒ Object
- #raw_filter ⇒ Object
Constructor Details
#initialize(name, filter, kind, options, chain_config) ⇒ Callback
Returns a new instance of Callback.
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# File 'lib/active_support/callbacks.rb', line 294 def initialize(name, filter, kind, , chain_config) @chain_config = chain_config @name = name @kind = kind @filter = filter @key = compute_identifier filter @if = check_conditionals([:if]) @unless = check_conditionals([:unless]) end |
Instance Attribute Details
#chain_config ⇒ Object (readonly)
Returns the value of attribute chain_config.
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# File 'lib/active_support/callbacks.rb', line 292 def chain_config @chain_config end |
#kind ⇒ Object
Returns the value of attribute kind.
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# File 'lib/active_support/callbacks.rb', line 291 def kind @kind end |
#name ⇒ Object
Returns the value of attribute name.
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# File 'lib/active_support/callbacks.rb', line 291 def name @name end |
Class Method Details
.build(chain, filter, kind, options) ⇒ Object
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# File 'lib/active_support/callbacks.rb', line 280 def self.build(chain, filter, kind, ) if filter.is_a?(String) raise ArgumentError, <<-MSG.squish Passing string to define a callback is not supported. See the `.set_callback` documentation to see supported values. MSG end new chain.name, filter, kind, , chain.config end |
Instance Method Details
#apply(callback_sequence) ⇒ Object
Wraps code with filter
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# File 'lib/active_support/callbacks.rb', line 333 def apply(callback_sequence) user_conditions = conditions_lambdas user_callback = CallTemplate.build(@filter, self) case kind when :before Filters::Before.build(callback_sequence, user_callback.make_lambda, user_conditions, chain_config, @filter, name) when :after Filters::After.build(callback_sequence, user_callback.make_lambda, user_conditions, chain_config) when :around callback_sequence.around(user_callback, user_conditions) end end |
#current_scopes ⇒ Object
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# File 'lib/active_support/callbacks.rb', line 347 def current_scopes Array(chain_config[:scope]).map { |s| public_send(s) } end |
#duplicates?(other) ⇒ Boolean
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# File 'lib/active_support/callbacks.rb', line 323 def duplicates?(other) case @filter when Symbol matches?(other.kind, other.filter) else false end end |
#filter ⇒ Object
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# File 'lib/active_support/callbacks.rb', line 304 def filter; @key; end |
#matches?(_kind, _filter) ⇒ Boolean
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# File 'lib/active_support/callbacks.rb', line 319 def matches?(_kind, _filter) @kind == _kind && filter == _filter end |
#merge_conditional_options(chain, if_option:, unless_option:) ⇒ Object
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# File 'lib/active_support/callbacks.rb', line 307 def (chain, if_option:, unless_option:) = { if: @if.dup, unless: @unless.dup } [:if].concat Array(unless_option) [:unless].concat Array(if_option) self.class.build chain, @filter, @kind, end |
#raw_filter ⇒ Object
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# File 'lib/active_support/callbacks.rb', line 305 def raw_filter; @filter; end |