Smalltalk and Object Orientation: an Introduction - Free

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OOPSLA/ECOOP’90, Joint Conference, on Object -Oriented Programming: Systems, Languages and Applications, Ed. Norman Meyrowitz, Pub Addison Wesley, ISBN 0-0201-52430-X, (1990). OOPSLA ‘91, Conference on Object-Oriented Programming Systems, Langauges and Applications, Ed. Andreas Paepcke, Pub Addison Wesley, ISBN 0 -0201-55417-8, (also as ACM SIGPLAN Notices Vol 26, No. 11), (1991). OOPSLA ‘92, Seventh Annual Conference on Object -Oriented Programming Systems, Languages and Applications, Ed. Andreas Paepcke, Pub Addison Wesley, ISBN 0 -201-53372-3, (also as ACM SIG PLAN NOTICES Vol 27, No. 10, (1992). OOPSLA ‘93. OOPSLA’93 Conference Proceedings, ACM/SIGLAN, Pub. Addison Wesley, ISBN 0 - 201-58895-1, 1993. ECOOP ‘89, Third European Cnnferenc e on Object -Oriented Programming, Ed. Stephen Cook, Pub. Cambridge University Press, (in the British Computer Society Workshop Series), ISBN 0 -521- 38232-7, (1989) ECOOP ‘92, European Conference on Object Oriented Programming, Ed. O. Lehrmann Madsen, Pub. Springer-Verlag, ISBN 0 -387-55668-0, (Published in the Lecture Notes in Computer Science series), (1992). ECOOP ‘93. European Conference on Object Oriented Programming, Pub. Springer -Verlag, Lecture Notes in Computer Science Vol 707, 1993. ECOOP ‘94, Europe an Conference on Object Oriented Programming, Pub. Springer -Verlag, Lecture Notes in Computer Science Vol 821, 1994. ECOOP '95, Ninth European Conference on Object -Oriented Programming, Lecture Notes in Computer Science, Vol. 952, Springer Verlag, 1995. [ISO 1993]. Information technology, software packages, quality requirements and testing , ISO Draft International Standard, ISO/IEC DIS 12119. 1993. Workshop on Testing Smalltalk Applications , held at the OOPSLA ‘95 Conference, Monday October 16, 1995. For more information contact Barbara Yates, OOPSLA Workshop, 2002 Parkside Court, West Linn, Oregon, 97068-2767, USA (Email: barbara.bytesmiths@acm.org). 294
Index ; ; 81 ^ ^ 67 A Abstract classes ..................................................... 21 Abstraction ................................................ 19 accept .......................................................... 47 accessing ..................................................... 78 accessor................................................. 67, 78 Account..................................................... 199 Ada........................................................ 16, 17 add ....................................................... 89, 96 addAll...................................................... 89 addFirst ................................................... 96 addLast.................................................... 93 after ................................................... 91, 96 before ................................................ 91, 96 add: ............................................................. 56 addDependent: ................................... 208 Analysis phase................................... 133, 134 ANSI X3J20................................................ 47 ApplicationModel ..................... 223, 228, 236 Initialization .......................................... 229 Arithmetic operators ................................... 70 Array ............................................. 97, 98, 122 Multi dimensional arrays......................... 97 TwoDList ................................................ 98 asBag ...................................................... 102 asLowerCase .......................................... 99 asOrderedCollection..................... 102 asSet.......................................................... 102 Assignment............................................ 68, 71 asSortedCollection ....................... 103 asSortedCollection: aSortBlock .............................................................. 103 asUpperCase .......................................... 99 asValue...................................................... 232 at: ................................................................ 97 at:put:.............................................. 97, 98 atPoint:........................................................ 98 atPoint:put:.................................................. 98 B Bag.............................................................. 89 removeAllOccurrencesOf........................ 90 binary message............................................ 73 Block........................................................... 81 Block parameters .................................... 82 Block temporary variables ...................... 83 BlockClosure........................................... 81 Typical block usage ................................ 83 value ........................................................82 value: .......................................................82 Booch ........................................................132 Boolean ...........................................61, 73, 83 ifTrue:ifFalse:..........................................83 BOSS.........................................................114 Breakpoints ...............................................122 Browser ...........................................46, 50, 51 C C++..................................................17, 21, 22 Canvas ...............................................224, 225 Cascading ....................................................81 category .................................................27, 51 Category...................................................203 changed .......................................................72 Changes Change List............................................125 changes file............................................125 Project ...................................................127 changes file..................................................48 Character .......................................70, 120 Class ..........................................17, 21, 25, 27 class.........................................................62 Class definitions ......................................63 Person......................................................76 class instance variable .................................65 Class instance variables role ........................................................196 Class names .................................................51 class variable .............................25, 54, 63, 76 Class variables role ........................................................196 collect:.......................................................101 Collection ..............................................87, 88 add: .......................................................89 copyEmpty: .............................................89 do:............................................................89 includes: ...........................................89 isEmpty....................................................89 remove:....................................................89 Selecting which Collection......................88 size...........................................................89 comment ................................................66, 67 Concurrency ..............................................261 Example.................................................264 Controller ....................46, 213, 214, 217, 221 CORBA .....................................................279 Cursor........................................114, 178, 253 D Date ...........................................................119 debugger......................................................53 Dependency...............................................206 dependents...................96, 207, 208, 209, 217 Design patterns..........................................173 295
Page 1 and 2:
Smalltalk and Object Orientation: A
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Chapter 7: Smalltalk Constructs Thi
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The user interface construction fac
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Preface 1. INTRODUCTION TO OBJECT O
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12.5 A CLASS SIDE METHOD...........
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27.3 VISUALWORKS WINDOW PAINTING TO
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Part One Introduction to Object Ori
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interfaces between different parts
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een to ease the transition from one
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encapsulation. Attempting to introd
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is a controversial subject which is
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will become second nature to many o
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or return something. It has since b
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defining the behavior of different
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In time most developers start to ac
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2.4.3.4 Smalltalk environments are
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3. Constructing an Object Oriented
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Wash wipe switch Wiper motor Relay
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Point 2 above is more complicated.
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services working? working? working?
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Part Two The Smalltalk Language 42
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other systems. As the browsers, ins
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VisualAge (a version of Smalltalk w
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4.5.2 The VisualWorks Launcher and
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Class categories. These are group s
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5. A Little Smalltalk 5.1 Introduct
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Notifiers can be displayed under a
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These concepts of messages, receive
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Select the “Debug” option. This
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6. Smalltalk Building Blocks 6.1 In
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6.3.1 Class definitions In Smalltal
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Object Class1 Class 2 method search
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“Now calculate y “ y := x * 23.
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7. Smalltalk Constructs 7.1 Introdu
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They are more efficient for storage
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7.5.3 true, false and nil variables
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anArray at: 1 max: 10. This will tr
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Figure 8.1: Defining a new class 8.
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this convention at the moment, howe
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9. Control and Iteration 9.1 Introd
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9.3.3 Block temporary variables Blo
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The brackets round the 1 to: 10 are
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OrderedCollection class (respective
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holding other objects. Typically, c
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| temp | temp := Set new. temp add:
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Next we will define a message proto
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11. Further Collection Classes 11.1
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for (i = 0; i
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x inspect. This has some similariti
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11.9.3 The reject: message The reje
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• asSortedCollection. This create
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Figure 12.2: The Organizer class de
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12.6 The private-updating protocol
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do: [:item | Transcript show: item
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13. Streams and Files 13.1 Introduc
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Notice that in this example we used
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to reconstruct the data into object
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1. The ability to save the current
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14.3 The class Date Class Date, a s
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aCharacter isAlphabetic. aCharacter
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Breakpoints may be placed in a me t
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If the file does not exist you will
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Figure 15.4: Creating a project To
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Part Three Object Oriented Design 1
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16. Object Oriented Analysis and De
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devolved amongst the objects). This
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driving force behind the whole of t
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17. The Unified Modeling Language 1
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Deployment diagrams . Deployment di
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Window abstract +size : Area = (10,
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Micro Computer 1.. * Monitor System
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connectedTo * Lamp * Weight Sensor
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18. UML: Dynamic Modeling And Deplo
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edisplay() Controller window A Wind
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18.2.3.1 A start point A start poin
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etween nodes and their stereotype.
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OMT is a prescriptive method, it pr
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confirming the users’ needs, thei
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19.3.2.2 Prepare a data dictionary
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car, truck and bus under a supercla
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20.2.1.3 Prepare sequence and colla
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20.2.2.5 Specify optimization crite
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are therefore concurrent and can be
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20.3.2.3 Design optimization The an
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21. Frameworks and Patterns for Obj
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As the framework takes shape you sh
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about a set of classes, than to att
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instanceVariableNames: '' classVari
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21.5.5 Running the editor You have
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Part Four Testing and Style 181
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made worse, because the symbol held
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22.3.2 Incremental testing Incremen
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control the execution of the method
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22.7.2 The Perform: message The per
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From the scenario that a person mig
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23.4 Self testing An approach, sugg
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24. Smalltalk Style Guidelines 24.1
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24.2.4 Adding variables to system c
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should use a dictionary to hold the
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• A method should only send messa
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Table 24.2: Class message categorie
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25. The Perform and Dependency Mech
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• Inheritance (class to class rel
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You can find the methods which impl
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These messages are sent automatical
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26. The Model-View-Controller Archi
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and wit hdrawals and requests for t
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Figure 26.5: Part of the Controller
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model 4. update 1. balance (view) 0
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displayed. The second component add
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27. Graphical User Interface Constr
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27.3.1 Palette The Palette tool pro
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uild a running user interface from
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names) and the actions for buttons
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Edit button, then the user interfac
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27.11 Visual reuse The aim of visua
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Figure 27.17: Defining the parent c
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important, as these facilities hand
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28.3 The AddressBook class 28.3.1 T
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The aspect methods can then be simp
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Page 245 and 246: 29.2 The custom view widget 29.2.1
Page 247 and 248: DrawingView model SmallDraw drawing
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Page 251 and 252: The next method we shall consider i
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Page 257 and 258: 30. Memory Management and Garbage C
Page 259 and 260: 30.3.3 PermSpace This is used to ho
Page 261 and 262: 31. Concurrency in Smalltalk 31.1 I
Page 263 and 264: The Semaphore class provides facili
Page 265 and 266: Once the process wakes up it can de
Page 267 and 268: 31.4.3 Acknowledgments Acknowledgme
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Page 271 and 272: Object Object class Collection Coll
Page 273 and 274: ehavior, but from the point of view
Page 275 and 276: 32.5.5 The whole enchilada Behaviou
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Page 280 and 281: solutions are needed which suit the
Page 282 and 283: scripting and query language to use
Page 284 and 285: 34. Appendix: The Smalltalk Languag
Page 286 and 287: A capitalization convention is used
Page 288 and 289: • marries: is the message selecto
Page 290 and 291: Array OrderedCollection SortedColle
Page 292 and 293: [Coleman et al 1994] D. Coleman, P.
Page 296 and 297: detect.............................
Page 298: True...............................
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