HAM User Manual
Contents
1. Aspect Oriented Model Drivem Product Line Engineering HAM User Manual DI FCT UNL Contents Ds WIMTRODUCHON eer 2 installing and r nhing uiec eoe tit tene ge adorans eren euch ues Ai nid hey ea daa 24 Working with HAMY TOO l 2 iiie ed cce inet hn boa IR Rossana Dad aan Ean nda ade Fera aa Deas sa RET 2 2 ToolSpecifications ch aa EHERTA caus FREE EE TRE CEN RO OL OMIT ERR Y URS avecuraccds 3 References desi diac tesi a Dre EVO A MEER TUE De ERR DR CRAP La TE cw a PX REA DE DEOS 1 Introduction This document gives an overview of the tool developed to implement the HAM algorithm Pimentel 2009 To collect the NFRs the HAM tool works in collaboration with the EA Miner tool which mines NFRs from textual requirements files HAM starts by opening the Requirements Description Language RDL file produced by EA Miner RDL files are XML style files that contain the NFRs The HAM Tool filters the Non Functional Requirements NFRs from the produced RDL file We can add new NFRs to the list obtained from the RDL file or remove NFRs from that list if we consider that there are NFRs wrongly identified by the EA Miner The stakeholders architecture styles and products are elicited manually 2 Installing and running The installation process for the HAM Tool is very simple Just copy and paste the HAM Tool plugin into the Eclipse plugins folder Notice that the HAM plugin has the follow dependencies org e2. clipse emf common org eclipse emf ecore net ample tracing core net ample tracing core query this is present in the AMPLE Eclipse bundle AMPLE Project 2006 Start Eclipse You need to include the RDL file of the system you are assessing in the current Eclipse project To run the HAM Tool just right click on the RDL file and select HAM TOOl A window with four tabs opens each one presenting Quality Attributes for raking NFRs according to the opinion of a set of Stakeholders Architectures for ranking architectural styles with respect to the one set of NFRs Products for ranking product configurations with respect to a set of NFRs and Features for ranking features of a software product line configuration with respect to one set of NFRs and detect possible conflict between NFRs in a feature 2 1 Working with the HAM Tool For the example in this user manual we used the Quality Attributes functionality The HAM Tool s main window is displayed in Erro A origem da refer ncia n o foi encontrada Considering the top half of the window we can observe on the left hand side a tree like structure with aiming at assessing the selected criteria and alternatives In the top middle of the window there is the pair wise comparison matrix This is where the tradeoffs between the criteria will be filled We just need to fill the right upper side of the pair wise matrix The lower left cells will be filled automatically On the right hand
3. omes into play or if a new NFR is added EA HAM Tool Select Stakeholders company luser administrator architect Figure 2 Select Stakeholders You can also use the ranking of NFRs calculated in Quality Attributes in Architectures Products and Features where the ratings of the NFRs in the first assessment will be their weights when ranking To perform this click in Import and select the correct option for example Import gt Import RE Ranking to Architectures 2 2 ToolSpecifications The tool was developed in Java 1 6 using Eclipse IDE 3 4 1 to actually implement the HAM algorithm and NetBeans IDE 6 5 to develop the Graphical User Interface To use this plugin the only thing to have in consideration is the dependencies mentioned above 3 References AMPLE Project 2006 Retrieved 2009 09 28 2009 http www ample project net Afonso Pimentel 2009 Multi criteria Analysis for Architectural Choices in Software Product Lines Universidade Nova de Lisboa Lisbon Evangelos Triantaphyllou 2000 Multi Criteria Decision Making Methods A Comparative Study Kluwer Academic Publishers E Formatada Portugu s Portugal
4. ompted with an error message and you will need to adjust some values of the pair wise comparison matrix Triantaphyllou 2000 If the consistency value is below 1096 you will be able to start editing the decision matrix To fill this matrix you Comentario AMM1 Vector can use the keyboard If you consider that there is a value in the pair wise matrix that for some reason you would like to change you can edit the pair wise matrix whenever you want and press the Calculate Weights button to recalculate Once you are done press the Calculate Ratings button The alternatives ratings will be calculated and displayed in the ratings matrix You can save the results by pressing the Save button or going to File gt Save which will open a save dialog Just select the location where you want to save the project and the name of the file This will create a new Microsoft Excel file with the name you provided or a new sheet in the file if it exists After the information in the matrices is saved the tool also allows you to add new criteria for example a new Stakeholder or new alternatives for example a new NFR to existing analysis For instance to add a new criterion just click Add Del Stakeholders button A new window Figure 2 opens and you can enter the name of the Stakeholder you want to add This allows you to perform a what if analysis For example it enables you to see what happens if a new Stakeholder c
5. side is a matrix that displays the weights of the criteria If the criteria weights are inconsistent one message pop up will warn the user Under the pair wise matrix we can see a combo box to Assign Value This component is used to assign values to the pair wise matrix cells In the bottom half of the window we offer scale help so that the user has a quick access to the meaning of the scale values In the bottom middle is the decision matrix where the user elicits the importance contributions of the alternatives to the criteria To fill this matrix we can use the combo box as before or use the keyboard Finally on the company C company D user ini E 3 D architect E NFRs D availability D flexibility administrator Figure 1 HAM Tool main window To fill the pair wise comparison matrix cells we have to e Select an empty cell in the pair wise matrix e Use the combo box to select the value to assign to that cell As we said before the lower left side of the matrix is filled automatically When finished filling the pair wise matrix press the button Calculate Weights You can view the criteria normalized weights i e priority vector in the weights matrix If the consistency ratio is less than 1096 the logical consistency is guaranteed otherwise you will be pr
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