Defining generalizations, Generalization properties | Sybase 7.5

Chapter 2 Building an Object-Oriented Model

Defining generalizations

A generalization relationship between classes shows that the subclass shares the structure or behavior defined in one or more superclasses. You use a generalize to show a "is-a" relationship between classes.

You can create a generalization only from one class to another class, or from one interface to another interface. You can also create a generalization between a shortcut of a class to a class, or between a shortcut of a interface to a interface. If the link is oriented, only the parent object can be the shortcut.

You can create only one generalization between two given objects.

Generalization properties

A generalization has the following properties:

Property	Description
Name	Name of the generalization

Code	Reference name for the generalization

Comment	Descriptive comment for the generalization

Parent	Class or interface to which the generalization belongs
	to

Child	Class or interface that belongs to the generalization

Stereotype	Subclassification of a generalization derived from an
	existing one. Extends the semantics of a
	generalization without changing it's structure

Visibility	Visibility of the generalization, whose value denotes
	how it may be seen outside its enclosing name space

Virtual	Used in generation (except for Java and
	PowerBuilder)

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Sybase 7.5 manual Defining generalizations, Generalization properties, Generalization has the following properties

Contents

User’s Guide Page Contents 100 Modifying the code of an implementation operationChanging an association into an associative class 102 103 112 111 Generating Objects from an OOM 179 Vii Using Object Languages 229 Viii About This Book Subject Audience Where to find information Use these parts of the book If you want to Object-Oriented Model Basics Contents Build an Object-Oriented Model OOM Functional overview UML and object-oriented modeling OOM creation What is an OOM?OOM roles An OOM represents the interaction of the following objects Objects in an OOMObject Selection Tool Description To create an OOM Creating a new OOM Object-Oriented Model Basics To open an existing OOM Opening an existing OOMAn OOM has the file extension .OOM You can set the following option for classes in an OOM Defining OOM model optionsClasses Result To define OOM model optionsNon-divergence Length Defining OOM propertiesTo modify the model properties Defining OOM properties Building an Object-Oriented Model Package properties Defining packages Preference Displaying text in package symbolsTo modify the package display preferences Defining packages Defining classes Class has the following general properties Class propertiesProperty Description Maximum length Stereotype Analyzing class propertiesModify or creating New stereotypes Stereotype Type Visibility Creating a classCardinality Visible Creating a class from the Browser Accessing the list of classesCreating a class from the list of classes To create a class from the Browser Inner classes Creating a class from a diagramTo create a class in a diagram To declare an inner class within a class Opening property sheets at last accessedAttaching an inner class to a class Building an Object-Oriented Model To detach an inner class from a class Detaching an inner class from a class Modifying class properties ClassifiersModifying class properties from its property sheet To modify class properties from its property sheet To modify class properties from the list of classes Modifying class properties from the list of classes Adding objects to a class To add an attribute to a class Adding an attribute to a class To add an operation to a class Adding an operation to a class Defining classes To preview the code of a class Preview the code of a class or an interface To modify the class display preferences Displaying text in class symbols Building an Object-Oriented Model An interface has the following properties Defining interfacesInterface properties Creating an interface Analyzing interface propertiesCreating an interface from the Browser Visibility Accessing the list of interfaces Creating an interface from a diagramTo create an interface in a diagram Creating an interface from the list of interfaces To modify interface properties from its property sheet Modifying interface propertiesModifying interface properties from its property sheet Interface property sheet opens to the General Modifying interface properties from the list of interfacesTo modify interface properties from the list of interfaces Select Model Interfaces Adding objects to an interface Adding inner classes to an interface To add an attribute to an interface Adding an attribute to an interfaceYou can add the following objects to an interface Building an Object-Oriented Model To add an operation to an interface Adding an operation to an interface To preview the code of an interface Preview the code of an interface Code Preview page appears Click OK Displaying text in interface symbols To modify the interface display preferences Defining attributes An attribute has the following properties Attribute properties Data Type Analyzing attribute properties Multiplicity Creating an attributeCreating an attribute from the Browser To create an attribute from the Browser Creating an attribute from the list of attributes Accessing the list of attributesTo create an attribute by inserting it in the list Select Model Attributes. The list of attributes appears To create an attribute from a class in a diagram Creating an attribute from a class in a diagram Modifying attribute properties To modify attribute properties from its property sheet Modifying attribute properties from its property sheet Select Model Attributes Modifying attribute properties from the list of attributesTo modify attribute properties from the list of attributes To attach an attribute to a domain Attaching an attribute to a domain Attribute property sheet opens to the General To copy an attribute to another class Copying an attribute to another class When selected Displaying text in attribute symbolsAn attribute has the following display preferences To modify the display preferences Building an Object-Oriented Model An identifier has the following properties Defining identifiersIdentifier properties To create an identifier Creating an identifierYou can create an identifier from a class To add attributes to an identifier Adding attributes to an identifierYou can add attributes to an identifier To modify identifier properties from its property sheet Modifying identifier propertiesModifying identifier properties from its property sheet Modifying identifier properties from the list of identifiers An operation has the following properties Defining operationsOperation properties Creating an operation Analyzing operation propertiesCreating an operation from the Browser To create an operation from the Browser Creating an operation from the list of operations Accessing the list of operationsTo create an operation by inserting it in the list Select Model Operations. The list of operations appears To create an operation from a class in a diagram Creating an operation from a class in a diagram To modify operation properties from its property sheet Modifying operation propertiesModifying operation properties from its property sheet Operation property sheet opens to the General Modifying operation properties from the list of operationsTo modify operation properties from the list of operations Select Model Operations Adding constructors and destructors to a class To add a Default constructor and destructor to a class Adding a Default constructor and destructor to a class Building an Object-Oriented Model To add a Copy constructor to a class Adding a Copy constructor to a class To add a duplicate operation to a class Adding operations to a classAdding a duplicate operation to a class To add an inherited operation to a class Adding an operation from a parent class Operation Adding Getter and Setter operations to a class Defining operations Creating an implementation operation To create an implementation operation To modify the code of an implementation operation Modifying the code of an implementation operation To copy an operation to another class Copying an operation to another class An operation has the following display preferences Displaying text in operation symbols To modify the display preferences Modify the operation display preferences Click OK Direction Defining parametersParameter properties To create a parameter Creating a parameter Parameter property sheet opens to the General Generalization has the following properties Defining generalizationsGeneralization properties To create a generalization Analyzing generalization propertiesCreating a generalization Dragging a generalization to a different class Link appears between the two objects To modify generalization properties from its property sheet Modifying generalization propertiesModifying generalization properties from its property sheet Generalization has the following display preferences Displaying text in generalization symbols To modify the display preferences Defining associations Omitted when end names are usedAssociation Ends Class plays as viewed by the opposite class An association has the following properties Association properties To create an association in a diagram Creating an association outside of a diagramCreating an association Dragging an association to a different class 100 Analyzing cardinality propertiesAssociation property sheet opens to the General Ordering Association role properties101 Indicates Aggregation/composition of an Association Changing an association into an associative classTo change an association into an associative class Right-click an association Modifying association properties from its property sheet Modifying association propertiesTo modify association properties from its property sheet 103 To modify association cardinality properties Modifying cardinality propertiesDouble-click the association in the model 104 105 106 Displaying text in association symbolsTo modify the association display preferences 107 Dependency properties Defining dependenciesDependency has the following properties 108 109 Creating a dependencyTo create a dependency 110 Dragging a dependency to a different class Modifying dependency properties from its property sheet Modifying dependency propertiesTo modify dependency properties from its property sheet 111 112 Displaying text in dependency symbolsDependency has the following display preferences 113 Realization properties Defining realizationsRealization has the following properties 114 To create a realization Creating a realizationDragging a realization to a different class 115 116 Modifying realization propertiesModifying a realization from its property sheet 117 To modify realization properties from its property sheet Modifying a realization from the list of realizations Displaying text in realization symbolsRealization has the following display preferences 118 119 Domain properties Defining domainsEach domain definition includes the following properties 120 Creating a domain Accessing the List of DomainsYou create a domain from the list of domains To create a domain Length Indicating data type, length, and precisionPrecision 122 Selecting a data type for a domain from the list Selecting a data type for a domainTo select a data type for a domain from the list 123 Undefined data type Selecting a data type for a domain from its property sheetTo select a data type for a domain from its property sheet Selecting a data type from a list of standard data types 125 Selecting a data type from a list of standard data typesChange of data type appears in the list of domains 126 Numeric data typesCharacter data types Other data types Time data typesTo select a data type from a list of standard data types Selecting from the Data Type dropdown listbox 128 Modifying domain properties Accessing a property sheet from the BrowserTo modify domain properties 129 130 Setting standard check parameters for objectsDefining check parameters To set standard parameters Defining additional check parameters for objects131 Variable 132 Using a validation rule in check parametersTo define additional check parameters 133 To use a validation rule in check parametersValidation rule expressions 134 135 Managing Object-Oriented Models 136 Checking an OOMObject parameters verified by Check model OOM check options Indicating error severity137 Message Description Object selection in the Check Model Objects selected in the diagramChecking a OOM To check a OOM 139 140 Selecting all or clearing all checkboxes Making corrections based on OOM check results Symbol OptionDockable result window 141 Making manual corrections to an OOM Making automatic corrections to the OOM 143 144 Merging two OOM 145 To open a Rose model in PowerDesignerOpening a Rose model in an OOM All objects Class Objects importedGeneralization Association 146 Package Class Objects not importedInterface Attribute Generalization OperationDependency 148 149 Reverse Engineering 150 What is reverse engineering?Parsing Together classes that logically belong together Reverse engineering JavaInner classes Outer class Java code Reverse engineering Java optionsComments To define Java reverse engineering options 153 Loading a JDK library model in the workspaceTo load a JDK library model To reverse java without code body Reverse engineering Java source files without code bodySelect the .java radio button 154 155 Select the Ignore operation body checkbox Click OK Reverse engineering Java source filesTo reverse engineer .java files 156 157 Reversing without the body of the code Reverse engineering compiled Java files To reverse engineer compiled Java files to a diagramMulti-selection 158 159 160 161 Reverse engineering Java files from a source directoryTo reverse engineer Java files from a source directory 162 163 To reverse engineer .jar or .zip files to a diagramReverse engineering archived .jar or .zip files 164 165 166 Reverse engineering PowerBuilderReverse engineering PowerBuilder options 167 To define PowerBuilder reverse engineering options 168 Loading a PowerBuilder library model in the workspaceTo load a PowerBuilder library model 169 Reverse engineering objects from a PowerBuilder application 170 171 To reverse engineer PowerBuilder objects from SRU filesReverse engineering objects from SRU files 172 173 Reverse engineering XML XML SchemaReverse engineering XML options XML Data To define XML reverse engineering options Reverse engineering XML filesXML files can be reversed into an OOM 175 176 To reverse engineer an XML file 177 Reverse engineering into a new OOMTo reverse engineer object language files into a new OOM 178 This product includes XML4C 3.0.1 software developed by 179 This chapter describes how to generate objects from an OOMAbout this chapter 180 Generating objectsSelecting objects to include in the generation Selecting objects Graphically selected objectsSelect tools Selection tips Defining Java generation options Generating Java source filesCheck model Visibility sort 183 To define Java generation options 184 Generating Java class definition filesTo generate .java files 185 Select the classes that you want to generate from the listSelect Tools 186 Creating Java BeanInfo classesNavigating between pages 187 To create Java BeanInfo classes 188 Defining PowerBuilder generation options Generating objects for PowerBuilderPbl application Sru files 190 To define PowerBuilder generation options 191 Generating objects for a PowerBuilder applicationClick Apply Click Cancel 192 193 Generating PowerBuilder objects in sru filesTo generate PowerBuilder user objects in sru files 194 Defining XML generation options Generating for XMLTo define XML generation options 195 196 Generating XML objects 197 To generate XML files 198 199 Customizing scripts 200 201 Translating OOM objects into CDM objects Generating OOM objects to a CDM202 OOM object Translating Java data types for a CDM Translating OOM data types for a CDM203 Java data type 204 Generating a CDM from an OOMGenerating and updating a CDM CDM generation options Update existingClearing the Preserve Modifications checkbox You can set the following general generation options Check model before generation Object selection parametersObjects selected in the model 206 207 Generating a new CDMTo generate to a new CDM from an OOM 208 209 Generating a CDM from a package Updating an existing CDM To update an existing CDM by generating from an OOM210 Preserve Modifications 211 Preserve modifications 212 213 Merging models 214 215 Translating OOM objects into PDM objects Generating OOM objects to a PDMGenerating from Associations Translating Java data types for a PDM Translating OOM data types for a PDM217 Translation example for SQL Anywhere Generating and updating a PDM Generating a PDM from an OOMGenerate new Physical Data 218 219 Physical Data 220 Defining PDM generation optionsYou select objects for PDM generation from the Selection To generate to a new PDM from an OOM Generating a new PDMSelect Tools Generate Physical Data Model 221 222 223 Generating a PDM from a package 224 To update an existing PDM by generating from an OOMUpdating an existing PDM 225 226 227 228 229 Using Object Languages Types of object language Object languages230 Object language type Modifying the current object language Accessing object language propertiesTo modify a value of a current object language Open an OOM Select Language Edit Current Object Language 232 233 Modifying linked object language propertiesTo modify the parameters of a linked object language 234 Creating a new object language Changing the object language of an OOMTo change the object language of an OOM To create a new object language 236 237 238 Categories Using the object language editorFields Values Object language Modifying values in the object language editorEditor edit menu Following editing options appear General category Object language editor categoriesUML category Stereotypes 242 Class has the following default stereotypesClass stereotypes Generalization has the following default stereotype An operation has the following default stereotypeOperation stereotypes Generalization stereotypes 244 Dependency has the following default stereotypesDependency stereotypes Script category Package has the following default stereotypesPackage stereotypes 245 Following constant values are defined by default Default constantsObject scripts 246 Example Specification247 XML Mapping Default data typesYou can modify the following basic data types 248 Namings Extended Attributes categoryEvent 249 250 251 Using Business Rules 252 What is a business rule? Types of business rule Defining business rules in an OOM253 Rule type Creating a business rule Business rule propertiesBusiness rule definition includes the following properties 254 255 To create a business rule Applying a business rule to an object Applying business rules to objectsTo apply a business rule to an object 256 257 Attaching an expression to a business rule 258 259 Glossary 260 Glossary 261 Stereotype Transient object Visibility 262 263 Index OOM 264 265 Class 266 267 268 269 JDK 270 Model 271 272 Open 273 274 Role 275 276 277 278