Sérialisation, Persistance Et Mapping Objet Relationnel

Sérialisation, Persistance et Mapping Objet Relationnel

Document Libre. www.allili.net Sérialisation Mapping O/R ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],05/06/09

Document Libre. www.allili.net ,[object Object],[object Object],05/06/09 Objet Sérialisation en flux de données Mémoire Fichiers Base de données

Document Libre. www.allili.net ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],05/06/09

Document Libre. www.allili.net ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],05/06/09

Document Libre. www.allili.net ,[object Object],System.Runtime. Serialization.Formatters ,[object Object],05/06/09 Les formateurs du Framework .NET Formateur Binaire (Sérialisation Binaire) Formateur SOAP (Sérialisation SOAP) Formateur XML (Sérialisation XML) System.Runtime. Serialization.Formatters System.Xml.Serialization.XmlSerializer

Document Libre. www.allili.net ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[Serializable] public class Employee { public int empCode; public string empName; } 05/06/09

Document Libre. www.allili.net ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],05/06/09

Document Libre. www.allili.net ,[object Object],public void Serialiser( string fichier, Employee emp) { FileStream fstr=null; //Using System.IO; try { fstr = new FileStream(fichier, FileMode.Create); BinaryFormatter biformatter = new BinaryFormatter(); binformatter.Serialize(fstr, emp); } finally { fstr.Close(); } } 05/06/09

Document Libre. www.allili.net ,[object Object],public static employee Deserialiser( string fichier) { FileStream fstr; try { fstr = new FileStream(fichier, FileMode.Open); BinaryFormatter binformatter = new BinaryFormatter(); return ((Employee)binformatter.Deserialize(fstr)); } finally { fstr.Close(); } } 05/06/09

Document Libre. www.allili.net ,[object Object],[object Object],05/06/09

Document Libre. www.allili.net ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],05/06/09

Document Libre. www.allili.net ,[object Object],[object Object],public void SOAPSerialisation( string fichier, Employee emp) { FileStream fstr = new FileStream(fichier, FileMode.Create); SoapFormatter soapformatter = new SoapFormatter(); soapformatter.Serialize(fstr, emp); fstr.Close(); } public static Employee SOAPDeserialisation( string fichier) { FileStream fstr = new FileStream(filename, FileMode.Open); SoapFormatter soapformatter = new SoapFormatter(); Employee emp = ( Employee )soapformatter.Deserialize(fstr); fstr.Close(); return emp; } 05/06/09

Document Libre. www.allili.net ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],05/06/09

Document Libre. www.allili.net ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[XmlAttribute( "empName" )] public string EmpName { get{ return empName;} set{empName = value;} } 05/06/09

Document Libre. www.allili.net ,[object Object],public void XMLSerialiser(Employee emp, String fichier) { XmlSerializer serializer = null ; //Using System.XML.Serialization; FileStream stream = null ; try { serializer = new XmlSerializer( typeof (Employee)); stream = new FileStream(fichier, FileMode.Create, FileAccess.Write); serializer.Serialize(stream, emp); } finally { if (stream ! = null ) stream.Close(); } } 05/06/09

Document Libre. www.allili.net ,[object Object],public static Employee XMLDeserialiser(String fichier) { XmlSerializer deser = null ; FileStream stream = null ; Employee emp = new Employee(); try { deser = new XmlSerializer( typeof (Employee)); stream = new FileStream(fichier, FileMode.Open); emp = (Employee)deser.Deserialize(stream); } finally { if (stream ! = null ) stream.Close(); } return emp; } 05/06/09

Document Libre. www.allili.net ,[object Object],[object Object],[object Object],[object Object],[object Object],05/06/09

Document Libre. www.allili.net ,[object Object],[object Object],[object Object],05/06/09

Document Libre. www.allili.net ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],05/06/09

Document Libre. www.allili.net ,[object Object],[object Object],[object Object],05/06/09 Base de données Mapping O.R Objets

Document Libre. www.allili.net ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],05/06/09

Document Libre. www.allili.net ,[object Object],05/06/09

Document Libre. www.allili.net 05/06/09

Document Libre. www.allili.net ,[object Object],[object Object],05/06/09 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Document Libre. www.allili.net 05/06/09 <?xml version="1.0" encoding="utf-8" ?> <configuration> <configSections> <section name="nhibernate" type="System.Configuration.NameValueSectionHandler, System, Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/> </configSections> <nhibernate> <add key="hibernate.connection.provider" value="NHibernate.Connection.DriverConnectionProvider"/> <add key="hibernate.dialect" value="NHibernate.Dialect.MsSql2000Dialect"/> <add key="hibernate.connection.driver_class" value="NHibernate.Driver.SqlClientDriver"/> <add key="hibernate.connection.connection_string" value="Data Source=root;Initial Catalog=mapping;Integrated Security=SSPI"/> </nhibernate> </configuration>

Document Libre. www.allili.net 05/06/09 <?xml version="1.0" encoding="utf-8" ?> <configuration> <configSections> <section name="nhibernate" type="System.Configuration.NameValueSectionHandler, System, Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/> </configSections> <nhibernate> <add key="hibernate.connection.provider" value="NHibernate.Connection.DriverConnectionProvider"/> <add key="hibernate.dialect" value="NHibernate.Dialect.MsSql2000Dialect"/> <add key="hibernate.connection.driver_class" value="NHibernate.Driver.SqlClientDriver"/> <add key="hibernate.connection.connection_string" value="Data Source=root;Initial Catalog=mapping;Integrated Security=SSPI"/> </nhibernate> </configuration> Déclaration de la section NHibernate qui va suivre

Document Libre. www.allili.net 05/06/09 <?xml version="1.0" encoding="utf-8" ?> <configuration> <configSections> <section name="nhibernate" type="System.Configuration.NameValueSectionHandler, System, Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/> </configSections> <nhibernate> <add key="hibernate.connection.provider" value="NHibernate.Connection.DriverConnectionProvider"/> <add key="hibernate.dialect" value="NHibernate.Dialect.MsSql2000Dialect"/> <add key="hibernate.connection.driver_class" value="NHibernate.Driver.SqlClientDriver"/> <add key="hibernate.connection.connection_string" value="Data Source=root;Initial Catalog=mapping;Integrated Security=SSPI"/> </nhibernate> </configuration> Début de la section NHibernate pour le fichier de configuration 4 clefs sont importantes

Document Libre. www.allili.net 05/06/09 <?xml version="1.0" encoding="utf-8" ?> <configuration> <configSections> <section name="nhibernate" type="System.Configuration.NameValueSectionHandler, System, Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/> </configSections> <nhibernate> <add key="hibernate.connection.provider" value="NHibernate.Connection.DriverConnectionProvider"/> <add key="hibernate.dialect" value="NHibernate.Dialect.MsSql2000Dialect"/> <add key="hibernate.connection.driver_class" value="NHibernate.Driver.SqlClientDriver"/> <add key="hibernate.connection.connection_string" value="Data Source=root;Initial Catalog=mapping;Integrated Security=SSPI"/> </nhibernate> </configuration> La première est liée à la méthode utilisée par NHibernate pour se connecter

Document Libre. www.allili.net 05/06/09 <?xml version="1.0" encoding="utf-8" ?> <configuration> <configSections> <section name="nhibernate" type="System.Configuration.NameValueSectionHandler, System, Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/> </configSections> <nhibernate> <add key="hibernate.connection.provider" value="NHibernate.Connection.DriverConnectionProvider"/> <add key="hibernate.dialect" value="NHibernate.Dialect.MsSql2000Dialect"/> <add key="hibernate.connection.driver_class" value="NHibernate.Driver.SqlClientDriver"/> <add key="hibernate.connection.connection_string" value="Data Source=root;Initial Catalog=mapping;Integrated Security=SSPI"/> </nhibernate> </configuration> La seconde clef est liée au dialecte (Langage SQL)

Document Libre. www.allili.net 05/06/09 <?xml version="1.0" encoding="utf-8" ?> <configuration> <configSections> <section name="nhibernate" type="System.Configuration.NameValueSectionHandler, System, Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/> </configSections> <nhibernate> <add key="hibernate.connection.provider" value="NHibernate.Connection.DriverConnectionProvider"/> <add key="hibernate.dialect" value="NHibernate.Dialect.MsSql2000Dialect"/> <add key="hibernate.connection.driver_class" value="NHibernate.Driver.SqlClientDriver"/> <add key="hibernate.connection.connection_string" value="Data Source=root;Initial Catalog=mapping;Integrated Security=SSPI"/> </nhibernate> </configuration> La troisième clef est liée au driver utilisé par NHibernate pour communiquer avec la base de données

Document Libre. www.allili.net 05/06/09 <?xml version="1.0" encoding="utf-8" ?> <configuration> <configSections> <section name="nhibernate" type="System.Configuration.NameValueSectionHandler, System, Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/> </configSections> <nhibernate> <add key="hibernate.connection.provider" value="NHibernate.Connection.DriverConnectionProvider"/> <add key="hibernate.dialect" value="NHibernate.Dialect.MsSql2000Dialect"/> <add key="hibernate.connection.driver_class" value="NHibernate.Driver.SqlClientDriver"/> <add key="hibernate.connection.connection_string" value="Data Source=root;Initial Catalog=mapping;Integrated Security=SSPI"/> </nhibernate> </configuration> Une dernière clef est liée à la chaîne de connexion

Document Libre. www.allili.net ,[object Object],[object Object],05/06/09 Configuration cfg = new Configuration(); cfg.AddAssembly(“Mon_Assembly"); ISessionFactory factory = cfg.BuildSessionFactory(); session = factory.OpenSession(); ITransaction t = session.BeginTransaction(); … … … t.Commit(); session.Flush(); session.Close(); factory.Close();

Document Libre. www.allili.net ,[object Object],[object Object],05/06/09 Configuration cfg = new Configuration(); cfg.AddAssembly(“Mon_Assembly"); ISessionFactory factory = cfg.BuildSessionFactory(); session = factory.OpenSession(); ITransaction t = session.BeginTransaction(); … … … t.Commit(); session.Flush(); session.Close(); factory.Close(); Le chargement de la configuration. l'objet va se charger lui-même avec les paramètres données dans le fichiers de configuration

Document Libre. www.allili.net ,[object Object],[object Object],05/06/09 Configuration cfg = new Configuration(); cfg.AddAssembly(“Mon_Assembly"); ISessionFactory factory = cfg.BuildSessionFactory(); session = factory.OpenSession(); ITransaction t = session.BeginTransaction(); … … … t.Commit(); session.Flush(); session.Close(); factory.Close(); L'objet configuration charge l'assembly qui contient la couche métier

Document Libre. www.allili.net ,[object Object],[object Object],05/06/09 Configuration cfg = new Configuration(); cfg.AddAssembly(“Mon_Assembly"); ISessionFactory factory = cfg.BuildSessionFactory(); session = factory.OpenSession(); ITransaction t = session.BeginTransaction(); … … … t.Commit(); session.Flush(); session.Close(); factory.Close(); Création d’un objet session factory

Document Libre. www.allili.net ,[object Object],[object Object],05/06/09 Configuration cfg = new Configuration(); cfg.AddAssembly(“Mon_Assembly"); ISessionFactory factory = cfg.BuildSessionFactory(); session = factory.OpenSession(); ITransaction t = session.BeginTransaction(); … … … t.Commit(); session.Flush(); session.Close(); factory.Close(); Création d’un e session avec la méthode OpenSession

Document Libre. www.allili.net ,[object Object],[object Object],05/06/09 Configuration cfg = new Configuration(); cfg.AddAssembly(“Mon_Assembly"); ISessionFactory factory = cfg.BuildSessionFactory(); session = factory.OpenSession(); ITransaction t = session.BeginTransaction(); … … … t.Commit(); session.Flush(); session.Close(); factory.Close(); Création d’une transaction

Document Libre. www.allili.net ,[object Object],[object Object],[object Object],05/06/09 class Personne { private int id; private string nom; public virtual int Id { get { return id; } set { id = value; } }

Document Libre. www.allili.net ,[object Object],[object Object],[object Object],05/06/09 public virtual string Nom { get { return nom; } set { nom = value; } } public Personne() { } public Personne(int id, string nom) { this.id = id; this.nom = nom; } } // de la classe

Document Libre. www.allili.net ,[object Object],[object Object],[object Object],05/06/09 <?xml version="1.0" encoding="utf-8" ?> <hibernate-mapping xmlns="urn:nhibernate-mapping-2.2" namespace="Mapping_Personne"> <class name="Mapping_Personne.Personne" table="personne"> <id name="Id" column="id" type="Int32"> <generator class="native"/> </id> <property name="Nom" column="nom" type="String" not-null="true" /> <property name="Prenom" column="prenom" type="String" not-null="true" /> </class> </hibernate-mapping>

Document Libre. www.allili.net ,[object Object],[object Object],[object Object],05/06/09 <?xml version="1.0" encoding="utf-8" ?> <hibernate-mapping xmlns="urn:nhibernate-mapping-2.2" namespace="Mapping_Personne"> <class name="Mapping_Personne.Personne" table="personne"> <id name="Id" column="id" type="Int32"> <generator class="native"/> </id> <property name="Nom" column="nom" type="String" not-null="true" /> <property name="Prenom" column="prenom" type="String" not-null="true" /> </class> </hibernate-mapping> Déclaration du fichier de mapping

Document Libre. www.allili.net ,[object Object],[object Object],[object Object],05/06/09 <?xml version="1.0" encoding="utf-8" ?> <hibernate-mapping xmlns="urn:nhibernate-mapping-2.2" namespace="Mapping_Personne"> <class name="Mapping_Personne.Personne" table="personne"> <id name="Id" column="id" type="Int32"> <generator class="native"/> </id> <property name="Nom" column="nom" type="String" not-null="true" /> <property name="Prenom" column="prenom" type="String" not-null="true" /> </class> </hibernate-mapping> Définit le nom de la classe et le nom de la table dans laquelle la classe est persistée

Document Libre. www.allili.net ,[object Object],[object Object],[object Object],05/06/09 <?xml version="1.0" encoding="utf-8" ?> <hibernate-mapping xmlns="urn:nhibernate-mapping-2.2" namespace="Mapping_Personne"> <class name="Mapping_Personne.Personne" table="personne"> <id name="Id" column="id" type="Int32"> <generator class="identity"/> </id> <property name="Nom" column="nom" type="String" not-null="true" /> <property name="Prenom" column="prenom" type="String" not-null="true" /> </class> </hibernate-mapping> Mappe la clef primaire de la table à un membre de la classe.

Document Libre. www.allili.net ,[object Object],[object Object],[object Object],05/06/09 <?xml version="1.0" encoding="utf-8" ?> <hibernate-mapping xmlns="urn:nhibernate-mapping-2.2" namespace="Mapping_Personne"> <class name="Mapping_Personne.Personne" table="personne"> <id name="Id" column="id" type="Int32"> <generator class="identity"/> </id> <property name="Nom" column="nom" type="String" not-null="true" /> <property name="Prenom" column="prenom" type="String" not-null="true" /> </class> </hibernate-mapping> La méthode par laquelle la clef primaire sera créée. « identity » indique que la clef primaire est automatiquement générée par la base de données

Document Libre. www.allili.net ,[object Object],[object Object],[object Object],05/06/09 <?xml version="1.0" encoding="utf-8" ?> <hibernate-mapping xmlns="urn:nhibernate-mapping-2.2" namespace="Mapping_Personne"> <class name="Mapping_Personne.Personne" table="personne"> <id name="Id" column="id" type="Int32"> <generator class="identity"/> </id> <property name="Nom" column="nom" type="String" not-null="true" /> <property name="Prenom" column="prenom" type="String" not-null="true" /> </class> </hibernate-mapping> La balise property est la façon la plus simple de mapper un champ de la base de données à un membre d'une classe

Document Libre. www.allili.net ,[object Object],[object Object],05/06/09 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Document Libre. www.allili.net ,[object Object],[object Object],[object Object],05/06/09 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Document Libre. www.allili.net 05/06/09 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Document Libre. 05/06/09 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Sérialisation, Persistance Et Mapping Objet Relationnel

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