object oriented design concepts pdf

... example with three update procedures: creation of a new object, creation of a new object from an existing object, and relocation of an existing object 5.3.4 Archiving scenario Two classes have been ... procedures previously defined in the STDM: creation of a new object, creation of a new object from an existing object, and relocation of an existing object These update procedures are due to valid changes ... using the object-oriented method proposed by Booch has elucidated several aspects concerning the time geography framework First of all, the design decision to model events and states as object classes

Ngày tải lên: 07/08/2014, 04:20

... No one agreed object data model. One definition: Object-Oriented Data Model (OODM) – Data model that captures semantics of objects supported in object-oriented programming. Object-Oriented Database ... 1 Chapter 26 Object-Oriented DBMSs – Concepts and Design Transparencies © Pearson Education Limited 1995, 2005 2 Chapter 26 - Objectives  Framework for an OODM.  Basics ... Persistent and sharable collection of objects defined by an ODM. Object-Oriented DBMS (OODBMS) – Manager of an ODB. © Pearson Education Limited 1995, 2005 5 Object-Oriented Data Model  Zdonik and

Ngày tải lên: 22/10/2014, 10:18

... MySQLException object is displayed. Any object used within a foreach loop must devise its own implementation of the iterator methods. The implementation will differ depending upon the nature of the object—an ... always an object. Any Exception that occurs within the scope of the try block will look for a catch that has a matching Exception type as its argument. NOTE The identification of the object type ... beginning with the constructor. Note how it checks the value of the error number. This test is designed to separate errors attributable to the programmer from all other errors. We’ve chosen

Ngày tải lên: 03/07/2014, 07:20

... the exact opposite) The object-oriented (OO) programmer is ideally placed to program using SimpleXML and SOAP because, as you’ll see, both extensions are entirely object-oriented Like it or not, ... M M I N G C O N C E P T S The previous two chapters introduced a number of new object-oriented program-ming (OOP) concepts In the interest of clarity, some topics were discussed in depth and others ... former guaran-tees a certain kind of object, and the latter guaranguaran-tees the implementation of particular methods For these reasons you can be sure that any object that doesn’t sing and the

Ngày tải lên: 03/07/2014, 07:20

... attribute of your newly cloned object is changed, and
the output shows that this change does not affect the original object In PHP 5, cloning an object makes a copy of an object just as the assignment ... when an object is passed to a function or when one object is assigned to another, it is assigned by reference However, there are some situations where you do want to create a copy of an object ... same for both objects (see Listing 13-7) Rovers Array ( [0] => Player Object ( [name:private] => Roy [position:private] => midfielder ) ) Reserves Array ( [0] => Player Object ( [name:private]

Ngày tải lên: 03/07/2014, 07:20

... that PHP 5 returns a reference to an object rather than a copy may have serious implications for aggregate objects written under PHP 4 and running under PHP 5 Objects formerly returned by value ... ReflectionObject extends ReflectionClass, and ReflectionException extends Exception Our concern is with objects, so we won’t spend any time on the method ReflectionFunction ReflectionObject shares ... getMethods returns an array of ReflectionMethod objects Invoking getProperties returns an array of ReflectionProperty objects These methods and the objects returned make it possible to fully describe

Ngày tải lên: 03/07/2014, 07:20

... inherited from the ReflectionClass to create an array of ReflectionProperty objects You then query each ReflectionProperty object to create arrays of public, private, and protected data members These ... $msg ); } return $description; } You want to ensure that only ReflectionMethod objects or ReflectionProperty objects are passed into this method so you use the operator, instanceof This operator ... show_methods(Documenter $d, $type, $arr) One of the parameters of this function is an object In PHP 4 you would want to ensure that this object was passed by reference by preceding the variable with & (an

Ngày tải lên: 03/07/2014, 07:20

... since the object itself is the handle A few functions are only available in a procedural form; these will be mentioned where appropriate There are three built-in, ready-to-use SQLite objects: ... the focus will be on the database class Extending SQLiteDatabase One of the nice things about object-oriented programming (OOP) is excep-tion handling Procedural error trapping is not only tedious, ... return an object or an array when all that’s needed is the value of one column? You may use the singleQuery method for any kind of query— data manipulation or otherwise—but it was designed specifically

Ngày tải lên: 03/07/2014, 07:20

... for looking at PDO, but what interests us in particular is that the PDO interface is entirely object-oriented (OO) It makes extensive use of the OO improvements to PHP 5 In fact, it cannot be run ... work properly with the current SQLite PDO driver. Constructing a PDO Object When constructing a PDO database or connection object, a Data Source Name (DSN) is passed as a parameter A DSN is made ... SQLite database: $pdo = new PDO('sqlite:resources.sqlite'); A PDO object is constructed in the same way as an SQLiteDatabase object except that the driver name must precede the path to the database

Ngày tải lên: 03/07/2014, 07:20

... parent class; also called a child class or subclass Document Object Model (DOM) The representation of an HTML or XML document in object-oriented fashion E encapsulation A process that allows implementation ... non-objects. foo(&$var); Deprecated Call-time pass by reference is deprecated in PHP 5 For more information see Appendix A Use a reference in the function definition when passing non-objects ... get_parent_class In PHP 5 these methods return a case-sensitive result. functionName(ObjectType $o) N/A In PHP 5 you may type hint object parameters to functions As of PHP 5.1 you may also type hint arrays

Ngày tải lên: 03/07/2014, 07:20

... 104 O object(s) attribute of, 17 copying, 14 definition, 6 displaying, using toString, 78 returned by reference, 121 reusability of, 7–8, 63, 74 object method, calling, 22 OOP (object-oriented ... getArraySlice, 58, 62, 64 DirectoryIterator class, 89 displaying objects, using toString, 78 document element of an RSS file, 101 Document Object Model (DOM) See DOM documentation of built-in classes, ... syntax, 12, 16 PHP 5 adoption of, 16 Linux distributions supporting, 165 object model, 3 running under Windows, 165, 166 PHP Data Object (PDO) See PDO PHP Extension and Application Repository (PEAR)

Ngày tải lên: 03/07/2014, 07:20

... Trang 1Object oriented design A case study Trang 2NT Trò chơi xúc xắc =m Người chơi tung 10x2 XÚC XắC m Nếu ... Trang 32tite Reference gw Slides of Prof Pascal Molli, Loria, France = Object oriented Design, JEDI, sun Microsystem

Ngày tải lên: 24/07/2014, 12:20

... 2.12 Uncovering space-time paths Conclusions Object-oriented analysis and design 3.1 History of the object-oriented paradigm 3.2 Choosing an object-oriented method 3.3 The main modelling constructs ... Object-Oriented Design for Temporal GIS Object-Oriented Design for Temporal GIS MONICA WACHOWICZ UK USA Taylor & Francis, 11 ... proliferation of objectoriented concepts, notations, models, and application areas This book provides a much-needed geographic perspective to enhance both the development and understanding of object-oriented

Ngày tải lên: 07/08/2014, 04:20

... covered  Objects and object classes  An object- oriented design process  Design evolution ©Ian Sommerville 2004 Software Engineering, 7th edition. Chapter 14 Slide 25 An object- oriented design ... Chapter 14 Slide 36 Object identification  Identifying objects (or object classes) is the most difficult part of object oriented design.  There is no 'magic formula' for object identification. ... 1 Object- oriented Design âIan Sommerville 2004 Software Engineering, 7th edition. Chapter 14 Slide 2 Objectives  To explain how a software design may be represented as a set of interacting objects that...

Ngày tải lên: 14/09/2012, 11:27

... Friday, May 5, 2006 2:25 PM 2 BASICS OF OBJECT- ORIENTED PROGRAMMING This chapter is aimed at an audience unfamiliar with the basic concepts of object- oriented programming (OOP). The intent ... xiii Introduction xv Chapter 1: What a Tangled Web We Weave 1 Chapter 2: Basics of Object- Oriented Programming 5 Chapter 3: Object- Oriented Features New to PHP 5 11 Chapter 4: Show a Little Class 17 Chapter ... 2006 2:25 PM Object- Oriented Features New to PHP 5 15 This is perfectly acceptable behavior for primitives, but it incurs far too much overhead with objects. Making a copy of a large object by...

Ngày tải lên: 24/01/2014, 15:45