C# Class Habanero.BO.ClassDefinition.RelKeyDef

This class contains the definition of a Foreign Key that defines the properties RelPropDef that that forms a relationship between two Classes. This class collaborates with the RelPropDef, the ClassDef to provide a definition of the properties involved in the RelationshipDef between two IBusinessObject. This provides an implementation of the Foreign Key Mapping pattern (Fowler (236) - 'Patterns of Enterprise Application Architecture' - 'Maps an association between objects to a foreign Key Reference between tables.') the RelKeyDef should not be used by the Application developer since it is usually constructed based on the mapping in the ClassDef.xml file. The RelKeyDef (Relationship Key Definition) is a list of relationship Property Defs RelPropDef that define the properties that form the persistant relationship definition (RelationshipDef between two Business object defitions (ClassDef. IBusinessObject.

Inheritance: IRelKeyDef

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Méthodes publiques

Méthode	Description
Add ( IRelPropDef relPropDef ) : void	Adds the related property definition to this key, as long as a property by that name has not already been added.
Contains ( string propName ) : bool	Returns true if a property with this name is part of this key.
CreateRelKey ( IBOPropCol lBoPropCol ) : IRelKey	Create a relationship key based on this key definition and its associated property definitions
GetEnumerator ( ) : IEnumerator	Returns an enumerator that iterates through the collection. The enumerator iterates through the values of a Dictionary of IRelPropDef
RelKeyDef ( ) : System	Constructor to create a new RelKeyDef object
this ( string propName ) : IRelPropDef	Provides an indexing facility for the property definitions in this key definition so that they can be accessed like an array (e.g. collection["surname"])

Méthodes protégées

Méthode	Description
Contains ( IRelPropDef relPropDef ) : bool	Returns true if the specified property is found.
Remove ( IRelPropDef relPropDef ) : void	Removes a Related Property definition from the key

Private Methods

Méthode	Description
IEnumerable ( ) : IEnumerator	Returns an enumerator that iterates through a collection.

Method Details

Add() public méthode

Adds the related property definition to this key, as long as a property by that name has not already been added.

Thrown if the /// argument passed is null

public Add ( IRelPropDef relPropDef ) : void
relPropDef	IRelPropDef	The RelPropDef object to be added.
Résultat	void

Contains() protected méthode

Returns true if the specified property is found.

protected Contains ( IRelPropDef relPropDef ) : bool
relPropDef	IRelPropDef	The Related Property Definition to search for
Résultat	bool

Contains() public méthode

Returns true if a property with this name is part of this key.

public Contains ( string propName ) : bool
propName	string	The property name to search by
Résultat	bool

CreateRelKey() public méthode

Create a relationship key based on this key definition and its associated property definitions

public CreateRelKey ( IBOPropCol lBoPropCol ) : IRelKey
lBoPropCol	IBOPropCol	The collection of properties
Résultat	IRelKey

GetEnumerator() public méthode

Returns an enumerator that iterates through the collection. The enumerator iterates through the values of a Dictionary of IRelPropDef

public GetEnumerator ( ) : IEnumerator
Résultat	IEnumerator

RelKeyDef() public méthode

Constructor to create a new RelKeyDef object

public RelKeyDef ( ) : System
Résultat	System

Remove() protected méthode

Removes a Related Property definition from the key

protected Remove ( IRelPropDef relPropDef ) : void
relPropDef	IRelPropDef	The Related Property Definition to remove
Résultat	void

this() public méthode

Provides an indexing facility for the property definitions in this key definition so that they can be accessed like an array (e.g. collection["surname"])

public this ( string propName ) : IRelPropDef
propName	string	The name of the property
Résultat	IRelPropDef