Component Diagram Tutorial - Lucidchart

Ultimate guide to component diagrams in UML including their benefits, ... For the purpose of UML 2.0, the term "component" refers to a module of classes ... PINGDOM_CANARY_STRINGSkiptoContentProductProductCreatepowerfulvisualstoimproveyourideas,projects,andprocesses.OverviewLucidchartoverviewAvisualworkspacefordiagramming,datavisualization,andcollaboration.LucidscaleVisualize,optimize,andunderstandyourcloudarchitecture.IntegrationsConnecttotheappsyourteamusesdaily.PaidplansIndividualTeamEnterpriseGetmoredonewithLucidchart+LucidsparkLearnmoreabouthowtheLucidVisualCollaborationSuiteworkstogetherSolutionsSolutionsWorksmartertosavetimeandsolveproblems.ByteamRemoteteamsCollaborateasateamanytime,anywheretoimproveproductivity.EngineeringPlan,understand,andbuildyournetworkarchitecture.ITSpeedupsecurityreviewsandtroubleshootissuesquickly.OperationsDefine,mapout,andoptimizeyourprocesses.ProductPlanprojects,buildroadmaps,andlaunchproductssuccessfully.SalesAlignyourrevenueteamstoclosebiggerdeals,faster.EducationBringcollaboration,learning,andtechnologytogether.ByneedImproveprocessesIdentifygaps,pinpointinefficiencies,andmitigateriskinyourworkflows.OptimizeorganizationsCreatecustomorgchartstofityourbusiness.VisualizetechnicalsystemsGainvisibilityintoyourexistingtechnology.ReplaceVisioDiagram,share,andinnovatefasterwithLucidchart.ResourcesResourcesHelpfulinsightstogetthemostoutofLucidchart.LearningcampusBlogTemplatesWebinarsSupportCasestudiesDiagramsNewsletterCollaboratewithremoteteamsLucidchartisacollaborativeworkspacethatbringsremoteteamstogetherinrealtime.PricingEnterpriseComponentDiagramTutorialWhyuseaUMLdiagram?Iwanttolearnmoreaboutusecasediagramsbecausetheyarenewtome.IwanttocreatemyownusecasediagraminLucidchart.IwanttocreateausecasediagramfromaLucidcharttemplate.ContentsWhatisaUMLcomponentdiagram?BenefitsofcomponentdiagramsHowtousecomponentdiagramsComponentdiagramshapesandsymbolsHowtousecomponentshapesandsymbolsComponentdiagramexamplesHowtomakeacomponentdiagramComponentdiagramsareintegraltobuildingyoursoftwaresystem.DrawnoutwithUMLdiagrammingsoftware,theyhelpyourteamunderstandthestructureofexistingsystemsandthenbuildnewones.Keepreadingtolearnmoreaboutcomponentdiagrams. 6minutereadDoyouwanttocreateyourownUMLdiagram?TryLucidchart.It'sfast,easy,andtotallyfree.CreateaUMLDiagramWhatisaUMLcomponentdiagram?Thepurposeofacomponentdiagramistoshowtherelationshipbetweendifferentcomponentsinasystem.ForthepurposeofUML2.0, theterm"component"referstoamoduleofclassesthatrepresentindependentsystemsorsubsystemswiththeabilitytointerfacewiththerestofthesystem. Thereexistsawholedevelopmentapproachthatrevolvesaroundcomponents:component-baseddevelopment(CBD).Inthisapproach,componentdiagramsallowtheplannertoidentifythedifferentcomponentssothewholesystemdoeswhatit'ssupposedtodo. Morecommonly,inanOOprogrammingapproach,thecomponentdiagramallowsaseniordevelopertogroupclassestogetherbasedoncommonpurposesothatthedeveloperandotherscanlookatasoftwaredevelopmentprojectatahighlevel. BenefitsofcomponentdiagramsThoughcomponentdiagramsmayseemcomplexatfirstglance,theyareinvaluablewhenitcomestobuildingyoursystem.Componentdiagramscanhelpyourteam: Imaginethesystem’sphysicalstructure. Payattentiontothesystem’scomponentsandhowtheyrelate. Emphasizetheservicebehaviorasitrelatestotheinterface. HowtousecomponentdiagramsAcomponentdiagraminUMLgivesabird’s-eyeviewofyoursoftwaresystem.Understandingtheexactservicebehaviorthateachpieceofyoursoftwareprovideswillmakeyouabetterdeveloper.Componentdiagramscandescribesoftwaresystemsthatareimplementedinanyprogramminglanguageorstyle. UMLisasetofconventionsforobject-orienteddiagramsthathasawidevarietyofapplications.Incomponentdiagrams,theUnifiedModelingLanguagedictatesthatcomponentsandpackagesarewiredtogetherwithlinesrepresentingassemblyconnectorsanddelegationconnectors.TolearnmoreaboutUMLanditsuses,checkoutourguide,"WhatIsUML?"   DiagrammingisquickandeasywithLucidchart.Startafreetrialtodaytostartcreatingandcollaborating.CreateaUMLDiagramComponentdiagramshapesandsymbolsComponentdiagramsrangefromsimpleandhighleveltodetailedandcomplex.Eitherway,you'llwanttofamiliarizeyourselfwiththeappropriateUMLsymbols.Thefollowingare shapetypesthatyouwillcommonlyencounterwhenreadingandbuildingcomponentdiagrams: SymbolNameDescription Componentsymbol Anentityrequiredtoexecuteastereotypefunction.Acomponentprovidesandconsumesbehaviorthroughinterfaces,aswellasthroughothercomponents.Thinkofcomponentsasatypeofclass.InUML1.0,acomponentismodeledasarectangularblockwithtwosmallerrectanglesprotrudingfromtheside.InUML2.0,acomponentismodeledasarectangularblockwithasmallimageoftheoldcomponentdiagramshape. Nodesymbol Representshardwareorsoftwareobjects,whichareofahigherlevelthancomponents. Interfacesymbol Showsinputormaterialsthatacomponenteitherreceivesorprovides.Interfacescanberepresentedwithtextualnotesorsymbols,suchasthelollipop,socket,andball-and-socketshapes. Portsymbol Specifiesaseparateinteractionpointbetweenthecomponentandtheenvironment.Portsaresymbolizedwithasmallsquare. Packagesymbol GroupstogethermultipleelementsofthesystemandisrepresentedbyfilefoldersinLucidchart.Justasfilefoldersgrouptogethermultiplesheets,packagescanbedrawnaroundseveralcomponents. Notesymbol Allowsdeveloperstoaffixameta-analysistothecomponentdiagram. Dependencysymbol Showsthatonepartofyoursystemdependsonanother.Dependenciesarerepresentedbydashedlineslinkingonecomponent(orelement)toanother. Howtousecomponentshapesandsymbols Therearethreepopularwaystocreateacomponent'snamecompartment.Youalwaysneedtoincludethecomponenttextinsidethedoubleanglebracketsand/orthecomponentlogo.Thedistinctionisimportantbecausearectanglewithjustanameinsideofitisreservedforclassifiers(classelements). Aswiththeclassnotation,componentsalsohaveanoptionalspacetolistinterfaces,similartothewayyouaddattributesandmethodstoclassnotation.Interfacesrepresenttheplaceswherethegroupsofclassesinthecomponentcommunicatewithothersystemcomponents.Analternativewaytorepresentinterfacesisbyextendingsymbolsfromthecomponentbox.Hereisaquickrundownofthemostcommonlyusedsymbols.     Providedinterfaces:Astraightlinefromthecomponentboxwithanattachedcircle.Thesesymbolsrepresenttheinterfaceswhereacomponentproducesinformationusedbytherequiredinterfaceofanothercomponent.   Requiredinterfaces:Astraightlinefromthecomponentboxwithanattachedhalfcircle(alsorepresentedasadashedarrowwithanopenarrow).Thesesymbolsrepresenttheinterfaceswhereacomponentrequiresinformationinordertoperformitsproperfunction.   InUML,acomponentdiagramvisuallyrepresentshowthecomponentsofasoftwaresystemrelatetooneanother.Tobuildone,tryusingLucidchart’scustomcomponentdiagramshapelibrary.Componentdiagramsshouldcommunicate: Thescopeofyoursystem Theoverallstructureofyoursoftwaresystem Goalsthatthesystemhelpshumanornon-humanentities(knownasactors)achieve ComponentdiagramexamplesUMLcomponentdiagramsbringsimplicitytoeventhemostcomplexprocesses.TakealookattheexamplesbelowtoseehowyoucanmapthebehaviorsofspecificprocesseswithcomponentdiagramsinUML. Componentdiagramforalibrarymanagementsystem Librarysystemsweresomeofthefirstsystemsintheworldtobecomewidelyrunbycomputers.Today,manyofthesesystemsaremanagedinthecloudbythird-partyservices,ratherthaninternally.Thoughtheterm“librarysystem”typicallycallstomindawaytomonitorprintedbooks,librarysystemstodayorganizeallkindsofdatacheckedinandcheckedoutbyusers. Thesetransactionscreateanetworkofrelationshipsbetweenthecomponentsofthelibrarysystem.Tounderstandhowtheserelationshipsworkandhowthesystemfunctionsoverall,examinetheUMLdiagrambelow.Youoryourteamcanalsousethisdiagramasatemplate. Clickhere tousethistemplate ComponentdiagramforanATMsystem Acomponentdiagramissimilartoaclassdiagraminthatitillustrateshowitemsinagivensystemrelatetoeachother,butcomponent diagramsshow morecomplexand varied connectionsthatmost classdiagramscan. Inthediagrambelow,eachcomponentisenclosedinasmallbox.Thedottedlineswitharrowsshowhowsomecomponentsaredependentonothers.Forexample,thecardreader,webpage,clientdesktop,andATMsystemarealldependentonthebankdatabase.Thedottedlineswithcirclesattheend,knownas“lollipop”symbols,indicatearealizationrelationship. Clickhere tousethistemplate HowtomakeacomponentdiagramInLucidchart,youcaneasilycraft anintricatecomponentdiagraminUMLfromscratch.Justfollowthestepsbelow: Openablankdocumentorstartwithatemplate. EnabletheUMLshapelibrary.Click"Shapes"ontheleftsideoftheeditor,check"UML"intheShapeLibraryManager,andclick"Save." Selecttheshapeyouwantfromthelibraryyouadded,anddragtheshapefromthetoolboxtothecanvas. Modeltheprocessflowbydrawinglinesbetweenshapes. Ifyou'relookingforastep-by-stepbreakdown,useourguideon howtodrawacomponentdiagraminUML tobetterassistyou. AdditionalResourcesHowtoDrawaClassDiagraminUMLTimingDiagramTutorialHowtoDrawaStateMachineDiagraminUMLHowtoDrawaCommunicationDiagraminUMLHowtoDrawanObjectDiagraminUMLHowtoDrawaDeploymentDiagraminUMLHowtoDrawanActivityDiagramHowtoDrawaTimingDiagraminUMLCommunicationDiagramTutorialHowtoDrawaSequenceDiagraminUMLUseLucidcharttocollaborateandcreateUMLdiagramswhenyoustartanaccountforfreetoday!Nopluginsordownloadrequired. DoyouwanttocreateyourownUMLdiagram?TryLucidchart.It'sfast,easy,andtotallyfree.CreateaUMLDiagram