Class: RServiceBus::Saga_Manager
- Inherits:
-
Object
- Object
- RServiceBus::Saga_Manager
- Defined in:
- lib/rservicebus/Saga/Manager.rb
Instance Method Summary collapse
- #GetMethodsByPrefix(saga, prefix) ⇒ Object
- #GetStartWithMethodNames(saga) ⇒ Object
- #Handle(rmsg) ⇒ Object
-
#initialize(host, resourceManager, sagaStorage) ⇒ Saga_Manager
constructor
A new instance of Saga_Manager.
- #interrogateSagaForAppResources(saga) ⇒ Object
- #prepSaga(saga) ⇒ Object
- #ProcessMsg(saga, data, methodName, msg) ⇒ Object
- #RegisterSaga(saga) ⇒ Object
-
#setBusAttributeIfRequested(saga) ⇒ Object
setBusAttributeIfRequested.
Constructor Details
#initialize(host, resourceManager, sagaStorage) ⇒ Saga_Manager
Returns a new instance of Saga_Manager.
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# File 'lib/rservicebus/Saga/Manager.rb', line 6 def initialize( host, resourceManager, sagaStorage ) @handler = Hash.new @startWith = Hash.new @saga = Hash.new @host = host @resourceManager = resourceManager @resourceListBySagaName = Hash.new @sagaStorage = sagaStorage end |
Instance Method Details
#GetMethodsByPrefix(saga, prefix) ⇒ Object
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# File 'lib/rservicebus/Saga/Manager.rb', line 20 def GetMethodsByPrefix( saga, prefix ) list = [] saga.instance_methods.each do |name| list.push name.to_s.sub( prefix, '') if name.to_s.slice( 0,prefix.length ) == prefix end return list end |
#GetStartWithMethodNames(saga) ⇒ Object
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# File 'lib/rservicebus/Saga/Manager.rb', line 29 def GetStartWithMethodNames( saga ) return self.GetMethodsByPrefix( saga, 'StartWith_') end |
#Handle(rmsg) ⇒ Object
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# File 'lib/rservicebus/Saga/Manager.rb', line 88 def Handle( rmsg ) @resourcesUsed = Hash.new handled = false msg = rmsg.msg RServiceBus.log "SagaManager, started processing, #{msg.class.name}", true unless @startWith[msg.class.name].nil? then @startWith[msg.class.name].each do |saga| data = Saga_Data.new(saga) @sagaStorage.Set(data) methodName = "StartWith_#{msg.class.name}" self.ProcessMsg(saga, data, methodName, msg) handled = true end end return handled if handled == true return false if rmsg.correlationId.nil? data = @sagaStorage.Get( rmsg.correlationId ) return handled if data.nil? methodName = "Handle_#{msg.class.name}" saga = @saga[data.sagaClassName]; self.ProcessMsg( saga, data, methodName, msg ); return true end |
#interrogateSagaForAppResources(saga) ⇒ Object
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# File 'lib/rservicebus/Saga/Manager.rb', line 45 def interrogateSagaForAppResources( saga ) RServiceBus.rlog "Checking app resources for: #{saga.class.name}" RServiceBus.rlog "If your attribute is not getting set, check that it is in the 'attr_accessor' list" @resourceListBySagaName[saga.class.name] = Array.new @resourceManager.getAll.each do |k,v| if saga.class.method_defined?( k ) then @resourceListBySagaName[saga.class.name] << k RServiceBus.log "Resource attribute, #{k}, found for: " + saga.class.name end end return self end |
#prepSaga(saga) ⇒ Object
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# File 'lib/rservicebus/Saga/Manager.rb', line 78 def prepSaga( saga ) unless @resourceListBySagaName[saga.class.name].nil? then @resourceListBySagaName[saga.class.name].each do |k, v| saga.instance_variable_set("@#{k}", @resourceManager.get(k).getResource()) RServiceBus.rlog "App resource attribute, #{k}, set for: " + saga.class.name end end end |
#ProcessMsg(saga, data, methodName, msg) ⇒ Object
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# File 'lib/rservicebus/Saga/Manager.rb', line 119 def ProcessMsg( saga, data, methodName, msg ) @host.sagaData = data saga.data = data self.prepSaga( saga ) if saga.class.method_defined?( methodName ) then saga.send methodName, msg end if data.finished == true then @sagaStorage.Delete data.correlationId end @host.sagaData = nil #Save Data end |
#RegisterSaga(saga) ⇒ Object
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# File 'lib/rservicebus/Saga/Manager.rb', line 61 def RegisterSaga( saga ) s = saga.new self.setBusAttributeIfRequested( s ) self.GetStartWithMethodNames( saga ).each do |msgName| @startWith[msgName] = Array.new if @startWith[msgName].nil? @startWith[msgName] << s RServiceBus.log "Registered, #{saga.name}, to StartWith, #{msgName}" end @saga[saga.name] = s self.interrogateSagaForAppResources( s ) end |
#setBusAttributeIfRequested(saga) ⇒ Object
setBusAttributeIfRequested
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# File 'lib/rservicebus/Saga/Manager.rb', line 36 def setBusAttributeIfRequested( saga ) if defined?( saga.Bus ) then saga.Bus = @host RServiceBus.log 'Bus attribute set for: ' + saga.class.name end return self end |