b38dea0597
Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.
12 lines
No EOL
4.1 KiB
JavaScript
12 lines
No EOL
4.1 KiB
JavaScript
;'use strict';(function(exports){var DEBUG=false;exports.Service={_providers:new Map(),_services:new Map(),_requestsByService:new Map(),_requestsByProvider:new Map(),request:function(service){var requestItems=service.split(':');var args=Array.prototype.slice.call(arguments,1);var self=this;this.debug(requestItems);if(requestItems.length>1){var serverName=requestItems[0];var serviceName=requestItems[1];if(this._providers.get(serverName)){this.debug('service: '+serviceName+' is online, perform the request with '+args.concat());return Promise.resolve(this._providers.get(serverName)[serviceName].apply(self._providers.get(serverName),args));}else{return new Promise(function(resolve,reject){self.debug('service: '+service+' is offline, queue the task.');if(!self._requestsByProvider.has(serverName)){self._requestsByProvider.set(serverName,[]);}
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self._requestsByProvider.get(serverName).push({service:serviceName,resolve:resolve,args:args});});}
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return;}
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if(this._services.has(service)){var server=this._services.get(service);this.debug('service ['+service+'] provider ['+server.name+'] is online, perform the task.');return Promise.resolve(server[service].apply(server,args));}else{this.debug('service: '+service+' is offline, queue the task.');var promise=new Promise(function(resolve,reject){self.debug('storing the requests...');if(!self._requestsByService.has(service)){self._requestsByService.set(service,[]);}
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self._requestsByService.get(service).push({service:service,resolve:resolve,args:args});});return promise;}},register:function(service,server){var self=this;if(!this._providers.has(server.name)){this._providers.set(server.name,server);}
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this.debug((server.name||'(Anonymous)')+' is registering service: ['+service+']');this.debug('checking awaiting requests by server..');if(this._requestsByProvider.has(server.name)){this._requestsByProvider.get(server.name).forEach(function(request){self.debug('resolving..',server,server.name,request.service,request.args);var returnValue=(typeof(server[request.service])==='function')?server[request.service].apply(server,request.args):server[request.service];request.resolve(returnValue);});this._requestsByProvider.delete(server.name);}
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if(!this._services.has(service)){this._services.set(service,server);}else{this.debug('the service ['+service+'] has already been '+'registered by other server:',this._services.get(service).name);return;}
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this.debug('checking awaiting requests by service..');if(this._requestsByService.has(service)){this._requestsByService.get(service).forEach(function(request){self.debug('resolving..',server,request.service);var returnValue=server[request.service].apply(server,request.args);request.resolve(returnValue);});this._requestsByService.delete(service);}},unregister:function(service,server){this._providers.delete(server.name);var se=this._services.get(service);if(se&&server===se){this._services.delete(service);}},_states:new Map(),_statesByState:new Map(),registerState:function(state,provider){this._states.set(provider.name,provider);if(!provider.name){console.warn('Service.registerState: Provider should have a name.',provider);}
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this._statesByState.set(state,provider);},unregisterState:function(state,provider){this._states.delete(provider.name);var machine=this._statesByState.get(state);if(machine===provider){this._statesByState.delete(state);}},query:function(stateString){this.debug(stateString);var args=stateString.split('.');var state,provider;if(args.length>1){provider=this._states.get(args[0]);state=args[1];}else{state=args[0];provider=this._statesByState.get(state);}
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if(!provider){this.debug('Provider not ready, return undefined state.');return undefined;}
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if(typeof(provider[state])==='function'){var functionArgs=Array.prototype.slice.call(arguments,1);return provider[state].apply(provider,functionArgs);}else{return provider[state];}},_start:new Date().getTime()/1000,currentTime:function(){return(new Date().getTime()/1000-this._start).toFixed(3);},debug:function sys_debug(){if(DEBUG){console.log('[System]'+'['+window.Service.currentTime()+']'+
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Array.slice(arguments).concat());}},get manifestURL(){return window.location.href.replace('index.html','manifest.webapp');}};})(window); |