Class: Factor::Runtime::Workflow
- Inherits:
-
Object
- Object
- Factor::Runtime::Workflow
- Defined in:
- lib/runtime/workflow.rb
Instance Attribute Summary collapse
-
#connectors ⇒ Object
Returns the value of attribute connectors.
-
#credentials ⇒ Object
Returns the value of attribute credentials.
-
#description ⇒ Object
Returns the value of attribute description.
-
#id ⇒ Object
Returns the value of attribute id.
-
#instance_id ⇒ Object
Returns the value of attribute instance_id.
-
#name ⇒ Object
Returns the value of attribute name.
Instance Method Summary collapse
- #error(message) ⇒ Object
- #info(message) ⇒ Object
-
#initialize(connectors, credentials, options = {}) ⇒ Workflow
constructor
A new instance of Workflow.
- #listen(service_ref, params = {}, &block) ⇒ Object
- #load(workflow_definition) ⇒ Object
- #run(service_ref, params = {}, &block) ⇒ Object
- #success(message) ⇒ Object
- #warn(message) ⇒ Object
- #workflow(service_ref, &block) ⇒ Object
Constructor Details
#initialize(connectors, credentials, options = {}) ⇒ Workflow
Returns a new instance of Workflow.
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# File 'lib/runtime/workflow.rb', line 17 def initialize(connectors, credentials, ={}) @workflow_spec = {} @workflows = {} @instance_id = SecureRandom.hex(3) @reconnect = true @logger = [:logger] if [:logger] @connectors = Factor::Common.flat_hash(connectors) @credentials = credentials end |
Instance Attribute Details
#connectors ⇒ Object
Returns the value of attribute connectors.
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# File 'lib/runtime/workflow.rb', line 15 def connectors @connectors end |
#credentials ⇒ Object
Returns the value of attribute credentials.
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# File 'lib/runtime/workflow.rb', line 15 def credentials @credentials end |
#description ⇒ Object
Returns the value of attribute description.
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# File 'lib/runtime/workflow.rb', line 15 def description @description end |
#id ⇒ Object
Returns the value of attribute id.
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# File 'lib/runtime/workflow.rb', line 15 def id @id end |
#instance_id ⇒ Object
Returns the value of attribute instance_id.
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# File 'lib/runtime/workflow.rb', line 15 def instance_id @instance_id end |
#name ⇒ Object
Returns the value of attribute name.
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# File 'lib/runtime/workflow.rb', line 15 def name @name end |
Instance Method Details
#error(message) ⇒ Object
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# File 'lib/runtime/workflow.rb', line 179 def error() @logger.error end |
#info(message) ⇒ Object
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# File 'lib/runtime/workflow.rb', line 171 def info() @logger.info end |
#listen(service_ref, params = {}, &block) ⇒ Object
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# File 'lib/runtime/workflow.rb', line 37 def listen(service_ref, params = {}, &block) address = ServiceAddress.new(service_ref) e = ExecHandler.new(service_ref, params) connector_url = @connectors[address.namespace] unless connector_url error "Listener '#{address}' not found" e.fail_block.call({}) if e.fail_block else caller = ServiceCaller.new(connector_url) caller.on :close do error "Listener '#{address}' disconnected" end caller.on :open do info "Listener '#{address}' starting" end caller.on :retry do |retry_info| if retry_info details = " (" details << "retry #{retry_info[:count]}" details << ", offline for #{retry_info[:offline_duration]} seconds" if retry_info[:offline_duration] > 0 details << ")" end warn "Listener '#{address}' reconnecting#{details || ''}" end caller.on :error do error "Listener '#{address}' dropped the connection" end caller.on :return do |data| success "Listener '#{address}' started" end caller.on :start_workflow do |data| success "Listener '#{address}' triggered" block.call(Factor::Common.simple_object_convert(data)) if block end caller.on :fail do |info| error "Listener '#{address}' failed" e.fail_block.call(action_response) if e.fail_block end caller.on :log do |log_info| @logger.log log_info[:status], log_info end service_credentials = @credentials[address.service.to_sym] || {} caller.listen(address.id,params.merge(service_credentials)) end e end |
#load(workflow_definition) ⇒ Object
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# File 'lib/runtime/workflow.rb', line 28 def load(workflow_definition) begin EM.run do instance_eval(workflow_definition) end rescue Interrupt end end |
#run(service_ref, params = {}, &block) ⇒ Object
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# File 'lib/runtime/workflow.rb', line 100 def run(service_ref, params = {}, &block) address = ServiceAddress.new(service_ref) e = ExecHandler.new(service_ref, params) if address.workflow? workflow_address = address.workflow_address workflow = @workflows[workflow_address] if workflow success "Workflow '#{workflow_address}' starting" content = Factor::Common.simple_object_convert(params) workflow.call(content) success "Workflow '#{workflow_address}' started" else error "Workflow '#{workflow_address}' not found" e.fail_block.call({}) if e.fail_block end else connector_url = @connectors[address.namespace] unless connector_url error "Action '#{address}' not found" e.fail_block.call({}) if e.fail_block else returned = false failed = false caller = ServiceCaller.new(connector_url) caller.on :open do info "Action '#{address}' starting" end caller.on :error do error "Action '#{address}' dropped the connection" end caller.on :return do |data| returned = true success "Action '#{address}' responded" caller.close block.call(Factor::Common.simple_object_convert(data)) if block end caller.on :close do if !returned && !failed error "Action '#{address}' disconnected" e.fail_block.call({}) if e.fail_block end end caller.on :fail do |info| failed = true error "Action '#{address}' failed" e.fail_block.call(info) if e.fail_block end caller.on :log do |log_info| @logger.log log_info[:status], log_info end service_credentials = @credentials[address.service.to_sym] || {} caller.action(address.id,params.merge(service_credentials)) end end e end |
#success(message) ⇒ Object
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# File 'lib/runtime/workflow.rb', line 167 def success() @logger.success end |
#warn(message) ⇒ Object
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# File 'lib/runtime/workflow.rb', line 175 def warn() @logger.warn end |
#workflow(service_ref, &block) ⇒ Object
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# File 'lib/runtime/workflow.rb', line 94 def workflow(service_ref, &block) address = ServiceAddress.new(service_ref) @workflows ||= {} @workflows[address] = block end |