Class: SimplerWorkflow::Activity
- Inherits:
-
Object
- Object
- SimplerWorkflow::Activity
show all
- Includes:
- OptionsAsMethods
- Defined in:
- lib/simpler_workflow/activity.rb
Instance Attribute Summary collapse
Class Method Summary
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Instance Method Summary
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#method_missing
Constructor Details
#initialize(domain, name, version, options = {}) ⇒ Activity
Returns a new instance of Activity.
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# File 'lib/simpler_workflow/activity.rb', line 7
def initialize(domain, name, version, options = {})
Activity.activities[[name, version]] ||= begin
default_options = {
:default_task_list => name,
:default_task_start_to_close_timeout => 5 * 60,
:default_task_schedule_to_start_timeout => 5 * 60,
:default_task_schedule_to_close_timeout => 10 * 60,
:default_task_heartbeat_timeout => :none
}
@options = default_options.merge(options)
@domain = domain
@name = name
@version = version
@failure_policy = :abort
self
end
end
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Instance Attribute Details
#domain ⇒ Object
Returns the value of attribute domain.
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# File 'lib/simpler_workflow/activity.rb', line 5
def domain
@domain
end
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#name ⇒ Object
Returns the value of attribute name.
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# File 'lib/simpler_workflow/activity.rb', line 5
def name
@name
end
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#next_activity ⇒ Object
Returns the value of attribute next_activity.
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# File 'lib/simpler_workflow/activity.rb', line 5
def next_activity
@next_activity
end
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#options ⇒ Object
Returns the value of attribute options.
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# File 'lib/simpler_workflow/activity.rb', line 5
def options
@options
end
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#version ⇒ Object
Returns the value of attribute version.
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# File 'lib/simpler_workflow/activity.rb', line 5
def version
@version
end
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Class Method Details
.[](name, version = nil) ⇒ Object
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# File 'lib/simpler_workflow/activity.rb', line 109
def self.[](name, version = nil)
case name
when String
name = name.to_sym
when Hash
name.symbolize_keys!
version = name[:version]
name = name[:name]
end
activities[[name, version]]
end
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.register(name, version, activity) ⇒ Object
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# File 'lib/simpler_workflow/activity.rb', line 121
def self.register(name, version, activity)
activities[[name, version]] = activity
end
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Instance Method Details
#count ⇒ Object
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# File 'lib/simpler_workflow/activity.rb', line 105
def count
domain.activity_tasks.count(name).to_i
end
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#failure_policy ⇒ Object
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# File 'lib/simpler_workflow/activity.rb', line 43
def failure_policy
@failure_policy || :abort
end
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#on_fail(failure_policy) ⇒ Object
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# File 'lib/simpler_workflow/activity.rb', line 39
def on_fail(failure_policy)
@failure_policy = failure_policy.to_sym
end
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#on_success(activity, version = nil) ⇒ Object
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# File 'lib/simpler_workflow/activity.rb', line 25
def on_success(activity, version = nil)
case activity
when Hash
activity.symbolize_keys!
name = activity[:name].to_sym
version = activity[:version]
when String
name = activity.to_sym
when Symbol
name = activity
end
@next_activity = { :name => name, :version => version }
end
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# File 'lib/simpler_workflow/activity.rb', line 47
def perform_activity(&block)
@perform_task = block
end
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# File 'lib/simpler_workflow/activity.rb', line 51
def perform_task(task)
logger.info("Performing task #{name}")
@perform_task.call(task)
rescue => e
context = {}
context[:activity_type] = [name.to_s, version]
context[:input] = task.input
context[:activity_id] = task.activity_id
SimplerWorkflow.exception_reporter.report(e, context)
task.fail! :reason => e.message[0..250], :details => {:failure_policy => failure_policy}.to_json
end
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#poll_for_single_task ⇒ Object
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# File 'lib/simpler_workflow/activity.rb', line 100
def poll_for_single_task
logger.info("Polling for single task for #{name}")
domain.activity_tasks.poll_for_single_task(name.to_s)
end
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#start_activity_loop ⇒ Object
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# File 'lib/simpler_workflow/activity.rb', line 67
def start_activity_loop
Thread.new do
loop do
begin
logger.info("Starting activity_loop for #{name}")
domain.activity_tasks.poll(name.to_s) do |task|
begin
logger.info("Received task...")
perform_task(task)
unless task.responded?
if next_activity
result = {:next_activity => next_activity}.to_json
task.complete!(:result => result)
else
task.complete!
end
end
rescue => e
context = {}
context[:activity_type] = [name.to_s, version]
context[:input] = task.input
context[:activity_id] = task.activity_id
SimplerWorkflow.exception_reporter.report(e, context)
task.fail! :reason => e.message, :details => { :failure_policy => :abort }.to_json unless task.responded?
end
end
rescue Timeout::Error => e
retry
end
end
end
end
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#to_activity_type ⇒ Object
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# File 'lib/simpler_workflow/activity.rb', line 63
def to_activity_type
domain.activity_types[name.to_s, version]
end
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