Примеры

Delphi (Object Pascal)

unitFluentInterface;interfacetypeIConfiguration=interfaceprocedureSetColor(Color:string);procedureSetHeight(height:integer);procedureSetLength(length:integer);procedureSetDepth(depth:integer);end;IConfigurationFluent=interfacefunctionSetColor(Color:string):IConfigurationFluent;functionSetHeight(height:integer):IConfigurationFluent;functionSetLength(length:integer):IConfigurationFluent;functionSetDepth(depth:integer):IConfigurationFluent;end;TConfiguration=class(TInterfacedObject,IConfiguration)privateFColor:string;FHeight:integer;FLength:integer;FDepth:integer;protectedprocedureSetColor(Color:string);procedureSetHeight(height:integer);procedureSetLength(length:integer);procedureSetDepth(depth:integer);end;TConfigurationFluent=class(TInterfacedObject,IConfigurationFluent)privateFColor:string;FHeight:integer;FLength:integer;FDepth:integer;protectedfunctionSetColor(Color:string):IConfigurationFluent;functionSetHeight(height:integer):IConfigurationFluent;functionSetLength(length:integer):IConfigurationFluent;functionSetDepth(depth:integer):IConfigurationFluent;publicclassfunctionNew:IConfigurationFluent;end;implementationprocedureTConfiguration.SetColor(Color:string);beginFColor:=Color;end;procedureTConfiguration.SetDepth(depth:integer);beginFDepth:=depth;end;procedureTConfiguration.SetHeight(height:integer);beginFHeight:=height;end;procedureTConfiguration.SetLength(length:integer);beginFLength:=length;end;classfunctionTConfigurationFluent.New:IConfigurationFluent;beginResult:=Create;end;functionTConfigurationFluent.SetColor(Color:string):IConfigurationFluent;beginFColor:=Color;Result:=Self;end;functionTConfigurationFluent.SetDepth(depth:integer):IConfigurationFluent;beginFDepth:=depth;Result:=Self;end;functionTConfigurationFluent.SetHeight(height:integer):IConfigurationFluent;beginFHeight:=height;Result:=Self;end;functionTConfigurationFluent.SetLength(length:integer):IConfigurationFluent;beginFLength:=length;Result:=Self;end;end.

varC,D:IConfiguration;E:IConfigurationFluent;begin{ Обычное использование:}C:=TConfiguration.Create;C.SetColor('blue');C.SetHeight(1);C.SetLength(2);C.SetDepth(3);{ обычная реализация, упрощенная с помощью инструкции with }D:=TConfiguration.Create;withDdobeginSetColor('blue');SetHeight(1);SetLength(2);SetDepth(3)end;{ использование реализации с текучим интерфейсом }E:=TConfigurationFluent.New.SetColor('Blue').SetHeight(1).SetLength(2).SetDepth(3);end;

C#

namespaceExample.FluentInterfaces{#region Standard ExamplepublicinterfaceIConfiguration{stringColor{set;}intHeight{set;}intLength{set;}intDepth{set;}}publicclassConfiguration:IConfiguration{stringcolor;intheight;intlength;intdepth;publicstringColor{set{color=value;}}publicintHeight{set{height=value;}}publicintLength{set{length=value;}}publicintDepth{set{depth=value;}}}#endregion#region Fluent ExamplepublicinterfaceIConfigurationFluent{IConfigurationFluentSetColor(stringcolor);IConfigurationFluentSetHeight(intheight);IConfigurationFluentSetLength(intlength);IConfigurationFluentSetDepth(intdepth);}publicclassConfigurationFluent:IConfigurationFluent{stringcolor;intheight;intlength;intdepth;publicIConfigurationFluentSetColor(stringcolor){this.color=color;returnthis;}publicIConfigurationFluentSetHeight(intheight){this.height=height;returnthis;}publicIConfigurationFluentSetLength(intlength){this.length=length;returnthis;}publicIConfigurationFluentSetDepth(intdepth){this.depth=depth;returnthis;}}#endregionpublicclassExampleProgram{publicstaticvoidMain(string[]args){// Обычный примерIConfigurationconfig=newConfiguration{Color="blue",Height=1,Length=2,Depth=3};// Пример текучего интерфейсаIConfigurationFluentfluentConfig=newConfigurationFluent().SetColor("blue").SetHeight(1).SetLength(2).SetDepth(3);}}}

C++

// обычное заданиеclassGlutApp{private:intw_,h_,x_,y_,argc_,display_mode_;char**argv_;char*title_;public:GlutApp(intargc,char**argv){argc_=argc;argv_=argv;}voidsetDisplayMode(intmode){display_mode_=mode;}intgetDisplayMode(){returndisplay_mode_;}voidsetWindowSize(intw,inth){w_=w;h_=h;}voidsetWindowPosition(intx,inty){x_=x;y_=y;}voidsetTitle(constchar*title){title_=title;}voidcreate();};// обычное использованиеintmain(intargc,char**argv){GlutAppapp(argc,argv);app.setDisplayMode(GLUT_DOUBLE|GLUT_RGBA|GLUT_ALPHA|GLUT_DEPTH);// Set framebuffer paramsapp.setWindowSize(500,500);// Set window paramsapp.setWindowPosition(200,200);app.setTitle("My OpenGL/GLUT App");app.create();}// Обертка текучего интерфейсаclassFluentGlutApp:privateGlutApp{public:FluentGlutApp(intargc,char**argv):GlutApp(argc,argv){}// наследуем родительский конструкторFluentGlutApp&withDoubleBuffer(){setDisplayMode(getDisplayMode()|GLUT_DOUBLE);return*this;}FluentGlutApp&withRGBA(){setDisplayMode(getDisplayMode()|GLUT_RGBA);return*this;}FluentGlutApp&withAlpha(){setDisplayMode(getDisplayMode()|GLUT_ALPHA);return*this;}FluentGlutApp&withDepth(){setDisplayMode(getDisplayMode()|GLUT_DEPTH);return*this;}FluentGlutApp&across(intw,inth){setWindowSize(w,h);return*this;}FluentGlutApp&at(intx,inty){setWindowPosition(x,y);return*this;}FluentGlutApp&named(constchar*title){setTitle(title);return*this;}// без разницы, вести ли цепь после вызова create(), поэтому не возвращаем *thisvoidcreate(){GlutApp::create();}};// используем текучий интерфейсintmain(intargc,char**argv){FluentGlutAppapp(argc,argv).withDoubleBuffer().withRGBA().withAlpha().withDepth().at(200,200).across(500,500).named("My OpenGL/GLUT App");app.create();}

Java

publicCollection<Student>findByNameAgeGender(Stringname,intage,Gendergender){returnem.createNamedQuery("Student.findByNameAgeGender").setParameter("name",name).setParameter("age",age).setParameter("gender",gender).setFirstResult(1).setMaxResults(30).setHint("hintName","hintValue").getResultList();}

String[]datesStr=newString[]{"12-10-1492","06-12-1978"};...List<Calendar>dates=Op.on(datesStr).toList().map(FnString.toCalendar("dd-MM-yyyy")).get();

CollectionmockCollection=EasyMock.createMock(Collection.class);EasyMock.expect(mockCollection.remove(null)).andThrow(newNullPointerException()).atLeastOnce();

PHP

classCar{private$speed,$color,$doors;publicfunctionsetSpeed($speed){$this->speed=$speed;return$this;}publicfunctionsetColor($color){$this->color=$color;return$this;}publicfunctionsetDoors($doors){$this->doors=$doors;return$this;}}// Обычная реализация$myCar2=newCar();$myCar2->setSpeed(100);$myCar2->setColor('blue');$myCar2->setDoors(5);// Текучий интерфейс$myCar=newCar()->setSpeed(100)->setColor('blue')->setDoors(5);

JavaScript

varCar=(function(){varspeed,color,doors,pub;functionsetSpeed(new_speed){speed=new_speed;returnpub;}functionsetColor(new_color){color=new_color;returnpub;}functionsetDoors(new_doors){doors=new_doors;returnpub;}pub={'setSpeed':setSpeed,'setColor':setColor,'setDoors':setDoors,};returnpub;})// Обычная реализацияmyCar2=Car();myCar2.setSpeed(100);myCar2.setColor('blue');myCar2.setDoors(5);// Текучий интерфейсmyCar=Car();myCar.setSpeed(100).setColor('blue').setDoors(5);

var$=function(selector){if(this.$){returnnew$(selector);}if(typeofselector=="string"){this.init=document.getElementById(selector);}};$.prototype={text:function(text){if(!text){this.init.innerHTML;}this.init.innerHTML=text;returnthis;},css:function(style){for(variinstyle){this.init.style[i]=style[i];}returnthis;}};//пример использования:$('div').text('div').css({color:"red"});

({foo:function(a){returna;}}).foo('foo').toUpperCase();

Примечания

Ссылки