Class: CPEE::Controller
- Inherits:
-
Object
- Object
- CPEE::Controller
- Defined in:
- lib/cpee/controller.rb
Overview
}}}
Instance Attribute Summary collapse
-
#attributes ⇒ Object
readonly
Returns the value of attribute attributes.
-
#callbacks ⇒ Object
readonly
Returns the value of attribute callbacks.
-
#id ⇒ Object
readonly
Returns the value of attribute id.
-
#mutex ⇒ Object
readonly
Returns the value of attribute mutex.
-
#notifications ⇒ Object
readonly
Returns the value of attribute notifications.
-
#properties ⇒ Object
readonly
Returns the value of attribute properties.
-
#uuid ⇒ Object
readonly
Returns the value of attribute uuid.
Instance Method Summary collapse
-
#add_websocket(key, socket) ⇒ Object
}}}.
- #attributes_translated ⇒ Object
- #base ⇒ Object
- #base_url ⇒ Object
-
#call_vote(what, content = {}) ⇒ Object
}}}.
- #console(cmd) ⇒ Object
- #dataelements ⇒ Object
- #endpoints ⇒ Object
- #finalize_if_finished ⇒ Object
- #gc ⇒ Object
- #help ⇒ Object
- #host ⇒ Object
-
#info ⇒ Object
}}}.
- #info=(text) ⇒ Object
-
#initialize(id, opts) ⇒ Controller
constructor
A new instance of Controller.
- #instance ⇒ Object
- #instance_url ⇒ Object
- #iv ⇒ Object
-
#notify(what, content = {}) ⇒ Object
}}}.
- #pm ⇒ Object
-
#serialize_dataelements! ⇒ Object
{{{.
-
#serialize_endpoints! ⇒ Object
}}}.
-
#serialize_positions! ⇒ Object
}}}.
-
#serialize_state! ⇒ Object
}}}.
-
#serialize_status! ⇒ Object
}}}.
-
#sim ⇒ Object
{{{.
-
#start ⇒ Object
}}}.
- #state ⇒ Object
- #state_change!(state = nil) ⇒ Object
- #state_changed ⇒ Object
-
#stop ⇒ Object
}}}.
-
#sync_uuid! ⇒ Object
}}}.
-
#unserialize_attributes! ⇒ Object
}}}.
-
#unserialize_dataelements! ⇒ Object
}}}.
-
#unserialize_description! ⇒ Object
}}}.
-
#unserialize_dsl! ⇒ Object
}}}.
-
#unserialize_endpoints! ⇒ Object
}}}.
-
#unserialize_handlerwrapper! ⇒ Object
}}}.
-
#unserialize_notifications!(op, key) ⇒ Object
}}}.
-
#unserialize_positions! ⇒ Object
}}}.
-
#unserialize_state! ⇒ Object
}}}.
-
#vote_callback(result, options, continue, voteid, callback, num) ⇒ Object
}}}.
Constructor Details
#initialize(id, opts) ⇒ Controller
Returns a new instance of Controller.
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# File 'lib/cpee/controller.rb', line 53 def initialize(id,opts) @directory = opts[:instances] + "/#{id}/" @id = id @events = {} @votes = {} @votes_results = {} @communication = {} @callbacks = {} @positions = [] @attributes = {} @attributes_helper = AttributesHelper.new @thread = nil @mutex = Mutex.new @opts = opts @properties = Riddl::Utils::Properties::Backend.new( { :inactive => opts[:properties_schema_inactive], :active => opts[:properties_schema_active], :finished => opts[:properties_schema_finished] }, @directory + '/properties.xml', opts[:properties_init] ) @notifications = Riddl::Utils::Notifications::Producer::Backend.new( opts[:topics], @directory + '/notifications/', opts[:notifications_init] ) unless ['stopped','ready','finished','abandoned'].include?(@properties.data.find("string(/p:properties/p:state)")) @properties.modify do |doc| doc.find("/p:properties/p:state").first.text = 'stopped' end end @uuid = sync_uuid! if @properties.data.find("string(/p:properties/p:state)") == "finished" @instance = nil else @instance = EmptyWorkflow.new(self) @notifications.subscriptions.keys.each do |key| self.unserialize_notifications!(:cre,key) end unserialize_handlerwrapper! unserialize_dataelements! unserialize_endpoints! unserialize_dsl! unserialize_positions! unserialize_attributes! end end |
Instance Attribute Details
#attributes ⇒ Object (readonly)
Returns the value of attribute attributes.
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# File 'lib/cpee/controller.rb', line 131 def attributes @attributes end |
#callbacks ⇒ Object (readonly)
Returns the value of attribute callbacks.
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# File 'lib/cpee/controller.rb', line 129 def callbacks @callbacks end |
#id ⇒ Object (readonly)
Returns the value of attribute id.
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# File 'lib/cpee/controller.rb', line 126 def id @id end |
#mutex ⇒ Object (readonly)
Returns the value of attribute mutex.
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# File 'lib/cpee/controller.rb', line 130 def mutex @mutex end |
#notifications ⇒ Object (readonly)
Returns the value of attribute notifications.
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# File 'lib/cpee/controller.rb', line 127 def notifications @notifications end |
#properties ⇒ Object (readonly)
Returns the value of attribute properties.
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# File 'lib/cpee/controller.rb', line 128 def properties @properties end |
#uuid ⇒ Object (readonly)
Returns the value of attribute uuid.
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# File 'lib/cpee/controller.rb', line 132 def uuid @uuid end |
Instance Method Details
#add_websocket(key, socket) ⇒ Object
}}}
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# File 'lib/cpee/controller.rb', line 638 def add_websocket(key,socket)# {{{ @communication[key] = socket @events.each do |a| if a[1].has_key?(key) a[1][key] = socket end end @votes.each do |a| if a[1].has_key?(key) a[1][key] = socket end end end |
#attributes_translated ⇒ Object
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# File 'lib/cpee/controller.rb', line 139 def attributes_translated @attributes_helper.translate(attributes,dataelements,endpoints) end |
#base ⇒ Object
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# File 'lib/cpee/controller.rb', line 152 def base base_url end |
#base_url ⇒ Object
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# File 'lib/cpee/controller.rb', line 146 def base_url @opts[:url] end |
#call_vote(what, content = {}) ⇒ Object
}}}
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# File 'lib/cpee/controller.rb', line 570 def call_vote(what,content={})# {{{ voteid = Digest::MD5.hexdigest(Kernel::rand().to_s) item = @votes[what] if item && item.length > 0 continue = WEEL::Continue.new @votes_results[voteid] = [] inum = 0 item.each do |key,url| if url.class == String inum += 1 elsif url.class == Riddl::Utils::Notifications::Producer::WS inum += 1 unless url.closed? end end item.each do |key,url| Thread.new(key,url,content.dup) do |k,u,c| callback = Digest::MD5.hexdigest(Kernel::rand().to_s) c['callback'] = callback notf = build_notification(k,what,c,'vote',callback) if u.class == String client = Riddl::Client.new(u,'http://riddl.org/ns/common-patterns/notifications-consumer/1.0/consumer.xml') params = notf.map{|ke,va|Riddl::Parameter::Simple.new(ke,va)} params << Riddl::Header.new("CPEE-BASE",self.base_url) params << Riddl::Header.new("CPEE-INSTANCE",self.instance) params << Riddl::Header.new("CPEE-INSTANCE-URL",self.instance_url) params << Riddl::Header.new("CPEE-INSTANCE-UUID",self.uuid) params << Riddl::Header.new("CPEE-CALLBACK",self.instance_url + '/callbacks/' + callback) @mutex.synchronize do status, result, headers = client.post params if headers["CPEE_CALLBACK"] && headers["CPEE_CALLBACK"] == 'true' @callbacks[callback] = Callback.new("vote #{notf.find{|a,b| a == 'notification'}[1]}", self, :vote_callback, what, k, :http, continue, voteid, callback, inum) else vote_callback(result,nil,continue,voteid,callback,inum) end end elsif u.class == Riddl::Utils::Notifications::Producer::WS @callbacks[callback] = Callback.new("vote #{notf.find{|a,b| a == 'notification'}[1]}", self, :vote_callback, what, k, :ws, continue, voteid, callback, inum) e = XML::Smart::string("<vote/>") notf.each do |ke,va| e.root.add(ke,va) end u.send(e.to_s) end end end continue.wait !@votes_results.delete(voteid).include?(false) else true end end |
#console(cmd) ⇒ Object
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# File 'lib/cpee/controller.rb', line 134 def console(cmd) x = eval(cmd) x.class == String ? x : x.pretty_inspect end |
#dataelements ⇒ Object
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# File 'lib/cpee/controller.rb', line 161 def dataelements @instance.data end |
#endpoints ⇒ Object
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# File 'lib/cpee/controller.rb', line 158 def endpoints @instance.endpoints end |
#finalize_if_finished ⇒ Object
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# File 'lib/cpee/controller.rb', line 219 def finalize_if_finished if @instance.state == :finished # TODO unlink engine, be careful race condition # @instance = nil end end |
#gc ⇒ Object
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# File 'lib/cpee/controller.rb', line 117 def gc x = GC.stat y = {} y[:heap_live_slots] = x[:heap_live_slots] y[:total_allocated_objects] = x[:total_allocated_objects] y[:total_freed_objects] = x[:total_freed_objects] y end |
#help ⇒ Object
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# File 'lib/cpee/controller.rb', line 106 def help "\033[1m\033[31mpm or public_methods(false)\033[0m\033[0m\n Methods.\n" + "\033[1m\033[31miv or instance_variables\033[0m\033[0m\n Attributes.\n" + "\033[1m\033[31mgc or GC.stat\033[0m\033[0m\n GC stats to look for memleaks. Google for 'GC.stat ruby'.\n" end |
#host ⇒ Object
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# File 'lib/cpee/controller.rb', line 143 def host @opts[:host] end |
#info ⇒ Object
}}}
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# File 'lib/cpee/controller.rb', line 195 def info @properties.data.find("string(/p:properties/p:attributes/p:info)") end |
#info=(text) ⇒ Object
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# File 'lib/cpee/controller.rb', line 198 def info=(text) @properties.modify do |doc| node = doc.find("/p:properties/p:attributes/p:info").first node.text = text if node end end |
#instance ⇒ Object
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# File 'lib/cpee/controller.rb', line 155 def instance instance_url end |
#instance_url ⇒ Object
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# File 'lib/cpee/controller.rb', line 149 def instance_url File.join(@opts[:url].to_s,@id.to_s) end |
#iv ⇒ Object
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# File 'lib/cpee/controller.rb', line 114 def iv instance_variables end |
#notify(what, content = {}) ⇒ Object
}}}
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# File 'lib/cpee/controller.rb', line 543 def notify(what,content={})# {{{ item = @events[what] if item item.each do |ke,ur| Thread.new(ke,ur) do |key,url| notf = build_notification(key,what,content,'event') if url.class == String client = Riddl::Client.new(url,'http://riddl.org/ns/common-patterns/notifications-consumer/1.0/consumer.xml') params = notf.map{|ke,va|Riddl::Parameter::Simple.new(ke,va)} params << Riddl::Header.new("CPEE-BASE",self.base) params << Riddl::Header.new("CPEE-INSTANCE",self.instance) params << Riddl::Header.new("CPEE-INSTANCE-URL",self.instance_url) params << Riddl::Header.new("CPEE-INSTANCE-UUID",self.uuid) client.post params elsif url.class == Riddl::Utils::Notifications::Producer::WS e = XML::Smart::string("<event/>") notf.each do |k,v| e.root.add(k,v) end url.send(e.to_s) rescue nil end end end end end |
#pm ⇒ Object
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# File 'lib/cpee/controller.rb', line 111 def pm public_methods(false) end |
#serialize_dataelements! ⇒ Object
{{{
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# File 'lib/cpee/controller.rb', line 226 def serialize_dataelements! #{{{ @properties.modify do |doc| node = doc.find("/p:properties/p:dataelements").first node.children.delete_all! @instance.data.each do |k,v| node.add(k.to_s,ValueHelper::generate(v)) end end end |
#serialize_endpoints! ⇒ Object
}}}
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# File 'lib/cpee/controller.rb', line 235 def serialize_endpoints! #{{{ @properties.modify do |doc| node = doc.find("/p:properties/p:endpoints").first node.children.delete_all! @instance.endpoints.each do |k,v| node.add(k.to_s,v) end end end |
#serialize_positions! ⇒ Object
}}}
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# File 'lib/cpee/controller.rb', line 252 def serialize_positions! # {{{ @properties.modify do |doc| pos = doc.find("/p:properties/p:positions").first pos.children.delete_all! @positions = @instance.positions @instance.positions.each do |p| pos.add("#{p.position}",p.detail,'passthrough' => p.passthrough.to_s.empty? ? nil : p.passthrough) end end end |
#serialize_state! ⇒ Object
}}}
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# File 'lib/cpee/controller.rb', line 244 def serialize_state! # {{{ @properties.activate_schema(:finished) if @instance.state == :finished || @instance.state == :abandoned @properties.activate_schema(:inactive) if @instance.state == :stopped || @instance.state == :ready @properties.activate_schema(:active) if @instance.state == :running || @instance.state == :simulating if [:finished, :stopped, :ready, :abandoned].include?(@instance.state) state_change! @instance.state end end |
#serialize_status! ⇒ Object
}}}
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# File 'lib/cpee/controller.rb', line 262 def serialize_status! #{{{ @properties.modify do |doc| node = doc.find("/p:properties/p:status/p:id").first node.text = @instance.status.id node = doc.find("/p:properties/p:status/p:message").first node.text = @instance.status. end end |
#sim ⇒ Object
{{{
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# File 'lib/cpee/controller.rb', line 165 def sim # {{{ @thread.join if !@thread.nil? && @thread.alive? @thread = @instance.sim end |
#start ⇒ Object
}}}
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# File 'lib/cpee/controller.rb', line 170 def start # {{{ @thread.join if !@thread.nil? && @thread.alive? unless @positions.empty? @instance.search(@positions) end @thread = @instance.start end |
#state ⇒ Object
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# File 'lib/cpee/controller.rb', line 204 def state @properties.data.find("string(/p:properties/p:state)") end |
#state_change!(state = nil) ⇒ Object
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# File 'lib/cpee/controller.rb', line 210 def state_change!(state=nil) @properties.modify do |doc| doc.find("/p:properties/p:state").each do |ele| ele.attributes['changed'] = Time.now.xmlschema ele.text = state if state end end end |
#state_changed ⇒ Object
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# File 'lib/cpee/controller.rb', line 207 def state_changed (str = @properties.data.find("string(/p:properties/p:state/@changed)")).empty? ? Time.at(0).xmlschema : str end |
#stop ⇒ Object
}}}
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# File 'lib/cpee/controller.rb', line 178 def stop # {{{ t = @instance.stop t.run @callbacks.delete_if do |k,c| # only remove vote_callbacks, the other stuff is removed by # the instance stopping cleanup if c.method == :vote_callback c.callback true else false end end @thread.join if !@thread.nil? && @thread.alive? @callback = [] # everything should be empty now end |
#sync_uuid! ⇒ Object
}}}
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# File 'lib/cpee/controller.rb', line 532 def sync_uuid! #{{{ val = SecureRandom.uuid uuid = @properties.data.find("/p:properties/p:attributes/p:uuid") if uuid.empty? @properties.modify { |doc| doc.find("/p:properties/p:attributes").first.prepend('p:uuid',val) } val else uuid.first.text end end |
#unserialize_attributes! ⇒ Object
}}}
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# File 'lib/cpee/controller.rb', line 339 def unserialize_attributes! #{{{ @attributes = {} @properties.data.find("/p:properties/p:attributes/p:*").map do |ele| @attributes[ele.qname.name.to_sym] = ele.text end uuid = @properties.data.find("/p:properties/p:attributes/p:uuid") if uuid.empty? || uuid.length != 1 || uuid.first.text != @uuid @properties.modify do |doc| attr = doc.find("/p:properties/p:attributes").first attr.find('p:uuid').delete_all! attr.prepend('uuid',@uuid) end end end |
#unserialize_dataelements! ⇒ Object
}}}
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# File 'lib/cpee/controller.rb', line 353 def unserialize_dataelements! #{{{ @instance.data.clear @properties.data.find("/p:properties/p:dataelements/p:*").each do |e| @instance.data[e.qname.to_sym] = ValueHelper::parse(e.text) end end |
#unserialize_description! ⇒ Object
}}}
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# File 'lib/cpee/controller.rb', line 413 def unserialize_description! #{{{ dsl = nil nots = [] @properties.modify do |doc| begin dsl = doc.find("/p:properties/p:dsl").first dslx = doc.find("/p:properties/p:dslx").first desc = doc.find("/p:properties/p:description").first tdesc = doc.find("/p:properties/p:transformation/p:description").first tdata = doc.find("/p:properties/p:transformation/p:dataelements").first tendp = doc.find("/p:properties/p:transformation/p:endpoints").first tdesctype = tdesc.attributes['type'] tdatatype = tdata.attributes['type'] tendptype = tendp.attributes['type'] if desc.children.empty? tdesctype = tdatatype = tendptype = 'clean' end ### description transformation, including dslx to dsl addit = if tdesctype == 'copy' || tdesc.empty? desc.children.first.to_doc.root elsif tdesctype == 'rest' && !tdesc.empty? srv = Riddl::Client.interface(tdesc.text,@opts[:transformation_service]) status, res = srv.post [ Riddl::Parameter::Complex.new("description","text/xml",desc.children.first.dump), Riddl::Parameter::Simple.new("type","description") ] if status >= 200 && status < 300 XML::Smart::string(res[0].value.read).root else raise 'Could not extract dslx' end elsif tdesctype == 'xslt' && !tdesc.empty? trans = XML::Smart::open_unprotected(tdesc.text) desc.children.first.to_doc.transform_with(trans).root elsif tdesctype == 'clean' XML::Smart::open_unprotected(@opts[:empty_dslx]).root else nil end unless addit.nil? dslx.children.delete_all! dslx.add addit trans = XML::Smart::open_unprotected(@opts[:transformation_dslx]) dsl.text = dslx.to_doc.transform_with(trans) @instance.description = dsl.text end ### dataelements extraction addit = if tdatatype == 'rest' && !tdata.empty? srv = Riddl::Client.interface(tdata.text,@opts[:transformation_service]) status, res = srv.post [ Riddl::Parameter::Complex.new("description","text/xml",desc.children.first.dump), Riddl::Parameter::Simple.new("type","dataelements") ] if status >= 200 && status < 300 res else raise 'Could not extract dataelements' end elsif tdatatype == 'xslt' && !tdata.empty? trans = XML::Smart::open_unprotected(tdata.text) desc.children.first.to_doc.transform_with(trans) elsif tdatatype == 'clean' [] else nil end unless addit.nil? node = doc.find("/p:properties/p:dataelements").first node.children.delete_all! @instance.data.clear addit.each_slice(2).each do |k,v| @instance.data[k.value.to_sym] = ValueHelper::parse(v.value) node.add(k.value,ValueHelper::generate(v.value)) end nots << ["dataelements/change", {:instance => instance, :changed => JSON::generate(@instance.data)}] end ### endpoints extraction addit = if tendptype == 'rest' && !tdata.empty? srv = Riddl::Client.interface(tendp.text,@opts[:transformation_service]) status, res = srv.post [ Riddl::Parameter::Complex.new("description","text/xml",desc.children.first.dump), Riddl::Parameter::Simple.new("type","endpoints") ] if status >= 200 && status < 300 res else raise 'Could not extract endpoints' end elsif tendptype == 'xslt' && !tdata.empty? trans = XML::Smart::open_unprotected(tendp.text) desc.children.first.to_doc.transform_with(trans) elsif tendptype == 'clean' [] else nil end unless addit.nil? node = doc.find("/p:properties/p:endpoints").first node.children.delete_all! @instance.endpoints.clear addit.each_slice(2).each do |k,v| @instance.endpoints[k.value.to_sym] = ValueHelper::parse(v.value) node.add(k.value,ValueHelper::generate(v.value)) end nots << ["endpoints/change", {:instance => instance, :changed => JSON::generate(@instance.endpoints)}] end nots << ["description/change", { :instance => instance }] rescue => err nots << ["description/error", { :instance => instance, :message => err. }] end end nots end |
#unserialize_dsl! ⇒ Object
}}}
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# File 'lib/cpee/controller.rb', line 410 def unserialize_dsl! #{{{ @instance.description = @properties.data.find("string(/p:properties/p:dsl)") end |
#unserialize_endpoints! ⇒ Object
}}}
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# File 'lib/cpee/controller.rb', line 359 def unserialize_endpoints! #{{{ @instance.endpoints.clear @properties.data.find("/p:properties/p:endpoints/p:*").each do |e| @instance.endpoints[e.qname.to_sym] = e.text end end |
#unserialize_handlerwrapper! ⇒ Object
}}}
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# File 'lib/cpee/controller.rb', line 388 def unserialize_handlerwrapper! #{{{ hw = nil begin hw = @properties.data.find("string(/p:properties/p:handlerwrapper)") @instance.handlerwrapper = eval(hw) rescue => e @instance.handlerwrapper = DefaultHandlerWrapper end if hw != @instance.handlerwrapper @properties.modify do |doc| node = doc.find("/p:properties/p:handlerwrapper").first node.text = @instance.handlerwrapper.to_s end end end |
#unserialize_notifications!(op, key) ⇒ Object
}}}
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# File 'lib/cpee/controller.rb', line 271 def unserialize_notifications!(op,key)# {{{ case op when :del @notifications.subscriptions[key].delete if @notifications.subscriptions.include?(key) @communication[key].io.close_connection if @communication[key].class == Riddl::Utils::Notifications::Producer::WS @communication.delete(key) @events.each do |eve,keys| keys.delete_if{|k,v| key == k} end @votes.each do |eve,keys| keys.delete_if do |k,v| if key == k @callbacks.each{|voteid,cb|cb.delete_if!(eve,k)} true end end end when :upd if @notifications.subscriptions.include?(key) url = @communication[key] evs = [] vos = [] @events.each { |e,v| evs << e } @votes.each { |e,v| vos << e } @notifications.subscriptions[key].read do |doc| turl = doc.find('string(/n:subscription/@url)') url = turl == '' ? url : turl @communication[key] = url doc.find('/n:subscription/n:topic').each do |t| t.find('n:event').each do |e| @events["#{t.attributes['id']}/#{e}"] ||= {} @events["#{t.attributes['id']}/#{e}"][key] = url evs.delete("#{t.attributes['id']}/#{e}") end t.find('n:vote').each do |e| @votes["#{t.attributes['id']}/#{e}"] ||= {} @votes["#{t.attributes['id']}/#{e}"][key] = url vos.delete("#{t.attributes['id']}/#{e}") end end end evs.each { |e| @events[e].delete(key) if @events[e] } vos.each do |e| @callbacks.each{|voteid,cb|cb.delete_if!(e,key)} @votes[e].delete(key) if @votes[e] end end when :cre @notifications.subscriptions[key].read do |doc| turl = doc.find('string(/n:subscription/@url)') url = turl == '' ? nil : turl @communication[key] = url doc.find('/n:subscription/n:topic').each do |t| t.find('n:event').each do |e| @events["#{t.attributes['id']}/#{e}"] ||= {} @events["#{t.attributes['id']}/#{e}"][key] = (url == "" ? nil : url) end t.find('n:vote').each do |e| @votes["#{t.attributes['id']}/#{e}"] ||= {} @votes["#{t.attributes['id']}/#{e}"][key] = url end end end end end |
#unserialize_positions! ⇒ Object
}}}
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# File 'lib/cpee/controller.rb', line 403 def unserialize_positions! #{{{ @positions = [] @properties.data.find("/p:properties/p:positions/p:*").each do |e| val = e.text.split(';') @positions << ::WEEL::Position.new(e.qname.to_s.to_sym,e.text.to_sym,e.attributes['passthrough']) end end |
#unserialize_state! ⇒ Object
}}}
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# File 'lib/cpee/controller.rb', line 365 def unserialize_state! #{{{ state = 'ready' @properties.modify do |doc| node = doc.find("/p:properties/p:state").first state = node.text end if call_vote("state/change", :instance => @id, :info => info, :state => state) case state when 'stopping' stop when 'running' start when 'simulating' sim when 'ready' @instance.state_signal end else if node = @properties.data.find("/p:properties/p:state").first node.text = @instance.state_signal end end end |
#vote_callback(result, options, continue, voteid, callback, num) ⇒ Object
}}}
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# File 'lib/cpee/controller.rb', line 626 def vote_callback(result,,continue,voteid,callback,num)# {{{ @callbacks.delete(callback) if result == :DELETE @votes_results[voteid] << true else @votes_results[voteid] << (result && result[0] && result[0].value == 'true') end if (num == @votes_results[voteid].length) continue.continue end end |