Module: Waterfall
- Included in:
- Wf
- Defined in:
- lib/waterfall.rb,
lib/waterfall/version.rb,
lib/waterfall/predicates/base.rb,
lib/waterfall/predicates/chain.rb,
lib/waterfall/predicates/on_dam.rb,
lib/waterfall/predicates/when_falsy.rb,
lib/waterfall/predicates/when_truthy.rb
Defined Under Namespace
Classes: Base, Chain, IncorrectChainingArgumentError, IncorrectDamArgumentError, OnDam, WhenFalsy, WhenTruthy
Constant Summary
collapse
- VERSION =
"1.3.0"
Class Attribute Summary collapse
Instance Attribute Summary collapse
Instance Method Summary
collapse
Class Attribute Details
.caller_locations_length ⇒ Object
Returns the value of attribute caller_locations_length.
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# File 'lib/waterfall.rb', line 20
def caller_locations_length
@caller_locations_length
end
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.with_reversible_flow ⇒ Object
Returns the value of attribute with_reversible_flow.
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# File 'lib/waterfall.rb', line 19
def with_reversible_flow
@with_reversible_flow
end
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Instance Attribute Details
#error_pool ⇒ Object
Returns the value of attribute error_pool.
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# File 'lib/waterfall.rb', line 13
def error_pool
@error_pool
end
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#error_pool_context ⇒ Object
Returns the value of attribute error_pool_context.
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# File 'lib/waterfall.rb', line 13
def error_pool_context
@error_pool_context
end
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Instance Method Details
#chain(mapping_or_var_name = nil, &block) ⇒ Object
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# File 'lib/waterfall.rb', line 41
def chain(mapping_or_var_name = nil, &block)
_wf_run do
::Waterfall::Chain
.new(self, mapping_or_var_name)
.call(&block)
end
end
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#dam(obj, context = nil) ⇒ Object
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# File 'lib/waterfall.rb', line 56
def dam(obj, context = nil)
raise IncorrectDamArgumentError.new("You cant dam with a falsy object") unless obj
_wf_run do
@error_pool = obj
@error_pool_context = context || _error_pool_context
_reverse_flows(true)
end
end
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#dammed? ⇒ Boolean
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# File 'lib/waterfall.rb', line 69
def dammed?
!error_pool.nil?
end
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#halt_chain {|outflow, error_pool, error_pool_context| ... } ⇒ Object
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# File 'lib/waterfall.rb', line 65
def halt_chain(&block)
yield(outflow, error_pool, error_pool_context)
end
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#has_flown? ⇒ Boolean
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# File 'lib/waterfall.rb', line 77
def has_flown?
!! @has_flown
end
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#is_waterfall? ⇒ Boolean
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# File 'lib/waterfall.rb', line 73
def is_waterfall?
true
end
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#on_dam(&block) ⇒ Object
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# File 'lib/waterfall.rb', line 49
def on_dam(&block)
::Waterfall::OnDam
.new(self)
.call(&block)
self
end
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#outflow ⇒ Object
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# File 'lib/waterfall.rb', line 25
def outflow
@outflow ||= OpenStruct.new({})
end
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#reverse_flow ⇒ Object
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# File 'lib/waterfall.rb', line 86
def reverse_flow
end
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#update_outflow(key, value) ⇒ Object
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# File 'lib/waterfall.rb', line 81
def update_outflow(key, value)
@outflow[key] = value
self
end
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#when_falsy(&block) ⇒ Object
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# File 'lib/waterfall.rb', line 29
def when_falsy(&block)
::Waterfall::WhenFalsy.new(self).tap do |handler|
_wf_run { handler.call(&block) }
end
end
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#when_truthy(&block) ⇒ Object
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# File 'lib/waterfall.rb', line 35
def when_truthy(&block)
::Waterfall::WhenTruthy.new(self).tap do |handler|
_wf_run { handler.call(&block) }
end
end
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