basic_mapping.po

hibernate-distribution-3.3.1.GA-dist.zip源码

msgstr ""
"Choisit <literal>identity</literal>, <literal>sequence</literal> ou "
"<literal>hilo</literal> selon les possibilités offertes par la base de "
"données sous-jacente."

#. Tag: literal
#: basic_mapping.xml:656
#, no-c-format
msgid "assigned"
msgstr "assigned"

#. Tag: para
#: basic_mapping.xml:658
#, no-c-format
msgid ""
"lets the application to assign an identifier to the object before "
"<literal>save()</literal> is called. This is the default strategy if no "
"<literal>&lt;generator&gt;</literal> element is specified."
msgstr ""
"Laisse l'application affecter un identifiant à l'objet avant que la métode "
"<literal>save()</literal> soit appelée. Il s'agit de la stratégie par défaut "
"si aucun <literal>&lt;generator&gt;</literal> n'est spécifié."

#. Tag: literal
#: basic_mapping.xml:666
#, no-c-format
msgid "select"
msgstr "select"

#. Tag: para
#: basic_mapping.xml:668
#, no-c-format
msgid ""
"retrieves a primary key assigned by a database trigger by selecting the row "
"by some unique key and retrieving the primary key value."
msgstr ""
"Récupère une clef primaire assignée par un trigger en sélectionnant la ligne "
"par une clef unique quelconque."

#. Tag: literal
#: basic_mapping.xml:675
#, no-c-format
msgid "foreign"
msgstr "foreign"

#. Tag: para
#: basic_mapping.xml:677
#, no-c-format
msgid ""
"uses the identifier of another associated object. Usually used in "
"conjunction with a <literal>&lt;one-to-one&gt;</literal> primary key "
"association."
msgstr ""
"Utilise l'identifiant d'un objet associé. Habituellement utilisé en "
"conjonction avec une association <literal>&lt;one-to-one&gt;</literal> sur "
"la clef primaire."

#. Tag: literal
#: basic_mapping.xml:684
#, no-c-format
msgid "sequence-identity"
msgstr "sequence-identity"

#. Tag: para
#: basic_mapping.xml:686
#, no-c-format
msgid ""
"a specialized sequence generation strategy which utilizes a database "
"sequence for the actual value generation, but combines this with JDBC3 "
"getGeneratedKeys to actually return the generated identifier value as part "
"of the insert statement execution. This strategy is only known to be "
"supported on Oracle 10g drivers targetted for JDK 1.4. Note comments on "
"these insert statements are disabled due to a bug in the Oracle drivers."
msgstr ""
"a specialized sequence generation strategy which utilizes a database "
"sequence for the actual value generation, but combines this with JDBC3 "
"getGeneratedKeys to actually return the generated identifier value as part "
"of the insert statement execution. This strategy is only known to be "
"supported on Oracle 10g drivers targetted for JDK 1.4. Note comments on "
"these insert statements are disabled due to a bug in the Oracle drivers."

#. Tag: title
#: basic_mapping.xml:703
#, no-c-format
msgid "Hi/lo algorithm"
msgstr "algorithme Hi/lo"

#. Tag: para
#: basic_mapping.xml:704
#, no-c-format
msgid ""
"The <literal>hilo</literal> and <literal>seqhilo</literal> generators "
"provide two alternate implementations of the hi/lo algorithm, a favorite "
"approach to identifier generation. The first implementation requires a "
"\"special\" database table to hold the next available \"hi\" value. The "
"second uses an Oracle-style sequence (where supported)."
msgstr ""
"Les générateurs <literal>hilo</literal> et <literal>seqhilo</literal> "
"proposent deux implémentations alternatives de l'algorithme hi/lo, une "
"approche largement utilisée pour générer des identifiants. La première "
"implémentation nécessite une table \"spéciale\" en base pour héberger la "
"prochaine valeur \"hi\" disponible. La seconde utilise une séquence de type "
"Oracle (quand la base sous-jacente le propose)."

#. Tag: programlisting
#: basic_mapping.xml:711
#, no-c-format
msgid ""
"<![CDATA[<id name=\"id\" type=\"long\" column=\"cat_id\">\n"
"        <generator class=\"hilo\">\n"
"                <param name=\"table\">hi_value</param>\n"
"                <param name=\"column\">next_value</param>\n"
"                <param name=\"max_lo\">100</param>\n"
"        </generator>\n"
"</id>]]>"
msgstr ""

#. Tag: programlisting
#: basic_mapping.xml:713
#, no-c-format
msgid ""
"<![CDATA[<id name=\"id\" type=\"long\" column=\"cat_id\">\n"
"        <generator class=\"seqhilo\">\n"
"                <param name=\"sequence\">hi_value</param>\n"
"                <param name=\"max_lo\">100</param>\n"
"        </generator>\n"
"</id>]]>"
msgstr ""

#. Tag: para
#: basic_mapping.xml:715
#, no-c-format
msgid ""
"Unfortunately, you can't use <literal>hilo</literal> when supplying your own "
"<literal>Connection</literal> to Hibernate. When Hibernate is using an "
"application server datasource to obtain connections enlisted with JTA, you "
"must properly configure the <literal>hibernate.transaction."
"manager_lookup_class</literal>."
msgstr ""
"Malheureusement, vous ne pouvez pas utilisez <literal>hilo</literal> quand "
"vous apportez votre propre <literal>Connection</literal> à Hibernate. Quand "
"Hibernate utilise une datasource du serveur d'application pour obtenir des "
"connexions inscrites avec JTA, vous devez correctement configurer "
"<literal>hibernate.transaction.manager_lookup_class</literal>."

#. Tag: title
#: basic_mapping.xml:724
#, no-c-format
msgid "UUID algorithm"
msgstr "UUID algorithm"

#. Tag: para
#: basic_mapping.xml:725
#, no-c-format
msgid ""
"The UUID contains: IP address, startup time of the JVM (accurate to a "
"quarter second), system time and a counter value (unique within the JVM). "
"It's not possible to obtain a MAC address or memory address from Java code, "
"so this is the best we can do without using JNI."
msgstr ""
"Le contenu du UUID est : adresse IP, date de démarrage de la JVM (précis au "
"quart de seconde), l'heure système et un compteur (unique au sein de la "
"JVM). Il n'est pas possible d'obtenir l'adresse MAC ou une adresse mémoire à "
"partir de Java, c'est donc le mieux que l'on puisse faire sans utiliser JNI."

#. Tag: title
#: basic_mapping.xml:734
#, no-c-format
msgid "Identity columns and sequences"
msgstr "Colonnes identifiantes et séquences"

#. Tag: para
#: basic_mapping.xml:735
#, no-c-format
msgid ""
"For databases which support identity columns (DB2, MySQL, Sybase, MS SQL), "
"you may use <literal>identity</literal> key generation. For databases that "
"support sequences (DB2, Oracle, PostgreSQL, Interbase, McKoi, SAP DB) you "
"may use <literal>sequence</literal> style key generation. Both these "
"strategies require two SQL queries to insert a new object."
msgstr ""
"Pour les bases qui implémentent les colonnes \"identité\" (DB2, MySQL, "
"Sybase, MS SQL), vous pouvez utiliser la génération de clef par "
"<literal>identity</literal>. Pour les bases qui implémentent les séquences "
"(DB2, Oracle, PostgreSQL, Interbase, McKoi, SAP DB) vous pouvez utiliser la "
"génération de clef par <literal>sequence</literal>. Ces deux méthodes "
"nécessitent deux requêtes SQL pour insérer un objet."

#. Tag: programlisting
#: basic_mapping.xml:743
#, no-c-format
msgid ""
"<![CDATA[<id name=\"id\" type=\"long\" column=\"person_id\">\n"
"        <generator class=\"sequence\">\n"
"                <param name=\"sequence\">person_id_sequence</param>\n"
"        </generator>\n"
"</id>]]>"
msgstr ""

#. Tag: programlisting
#: basic_mapping.xml:745
#, no-c-format
msgid ""
"<![CDATA[<id name=\"id\" type=\"long\" column=\"person_id\" unsaved-value=\"0"
"\">\n"
"        <generator class=\"identity\"/>\n"
"</id>]]>"
msgstr ""

#. Tag: para
#: basic_mapping.xml:747
#, no-c-format
msgid ""
"For cross-platform development, the <literal>native</literal> strategy will "
"choose from the <literal>identity</literal>, <literal>sequence</literal> and "
"<literal>hilo</literal> strategies, dependant upon the capabilities of the "
"underlying database."
msgstr ""
"Pour le développement multi-plateformes, la stratégie <literal>native</"
"literal> choisira entre les méthodes <literal>identity</literal>, "
"<literal>sequence</literal> et <literal>hilo</literal>, selon les "
"possibilités offertes par la base sous-jacente."

#. Tag: title
#: basic_mapping.xml:756
#, no-c-format
msgid "Assigned identifiers"
msgstr "Identifiants assignés"

#. Tag: para
#: basic_mapping.xml:757
#, no-c-format
msgid ""
"If you want the application to assign identifiers (as opposed to having "
"Hibernate generate them), you may use the <literal>assigned</literal> "
"generator. This special generator will use the identifier value already "
"assigned to the object's identifier property. This generator is used when "
"the primary key is a natural key instead of a surrogate key. This is the "
"default behavior if you do no specify a <literal>&lt;generator&gt;</literal> "
"element."
msgstr ""
"Si vous souhaitez que l'application assigne des identifiants (par opposition "
"à la génération par Hibernate), vous pouvez utiliser le générateur "
"<literal>assigned</literal>. Ce générateur spécial utilisera une valeur "
"d'identifiant déjà utilisé par la propriété identifiant l'objet. Ce "
"générateur est utilisé quand la clef primaire est une clef naturelle plutôt "
"qu'une clef secondaire. C'est le comportement par défaut si vous ne précisez "
"pas d'élément <literal>&lt;generator&gt;</literal>."

#. Tag: para
#: basic_mapping.xml:766
#, no-c-format
msgid ""
"Choosing the <literal>assigned</literal> generator makes Hibernate use "
"<literal>unsaved-value=\"undefined\"</literal>, forcing Hibernate to go to "
"the database to determine if an instance is transient or detached, unless "
"there is a version or timestamp property, or you define <literal>Interceptor."
"isUnsaved()</literal>."
msgstr ""
"Choisir le générateur <literal>assigned</literal> fait utiliser "
"<literal>unsaved-value=\"undefined\"</literal> par Hibernate, le forçant à "
"interroger la base pour déterminer si l'instance est transiente ou détachée, "
"à moins d'utiliser une propriété version ou timestamp, ou alors de définir "
"<literal>Interceptor.isUnsaved()</literal>."

#. Tag: title
#: basic_mapping.xml:776
#, no-c-format
msgid "Primary keys assigned by triggers"
msgstr "Clefs primaires assignées par trigger"

#. Tag: para
#: basic_mapping.xml:777
#, no-c-format
msgid ""
"For legacy schemas only (Hibernate does not generate DDL with triggers)."
msgstr ""
"Pour les schémas de base hérités d'anciens systèmes uniquement (Hibernate ne "
"génère pas de DDL avec des triggers)"

#. Tag: programlisting
#: basic_mapping.xml:781
#, no-c-format
msgid ""
"<![CDATA[<id name=\"id\" type=\"long\" column=\"person_id\">\n"
"        <generator class=\"select\">\n"
"                <param name=\"key\">socialSecurityNumber</param>\n"
"        </generator>\n"
"</id>]]>"
msgstr ""

#. Tag: para
#: basic_mapping.xml:783
#, no-c-format
msgid ""
"In the above example, there is a unique valued property named "
"<literal>socialSecurityNumber</literal> defined by the class, as a natural "
"key, and a surrogate key named <literal>person_id</literal> whose value is "
"generated by a trigger."
msgstr ""
"Dans l'exemple ci-dessus, <literal>socialSecurityNumber</literal> a une "
"valeur unique définie par la classe en tant que clef naturelle et "
"<literal>person_id</literal> est une clef secondaire dont la valeur est "
"générée par trigger."

#. Tag: title
#: basic_mapping.xml:795
#, no-c-format
msgid "Enhanced identifier generators"
msgstr "Enhanced identifier generators"

#. Tag: para
#: basic_mapping.xml:797
#, no-c-format
msgid ""
"Starting with release 3.2.3, there are 2 new generators which represent a re-"
"thinking of 2 different aspects of identifier generation. The first aspect "
"is database portability; the second is optimization (not having to query the "
"database for every request for a new identifier value). These two new "
"generators are intended to take the place of some of the named generators "
"described above (starting in 3.3.x); however, they are included in the "
"current releases and can be referenced by FQN."
msgstr ""
"Starting with release 3.2.3, there are 2 new generators which represent a re-"
"thinking of 2 different aspects of identifier generation. The first aspect "
"is database portability; the second is optimization (not having to query the "
"database for every request for a new identifier value). These two new "
"generators are intended to take the place of some of the named generators "
"described above (starting in 3.3.x); however