session_api.po

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

msgid ""
"If the <literal>Cat</literal> with identifier <literal>catId</literal> had "
"already been loaded by <literal>secondSession</literal> when the application "
"tried to reattach it, an exception would have been thrown."
msgstr ""
"Si el <literal>Cat</literal> con identificador <literal>catId</literal> ya "
"hubiera sido cargado por <literal>secondSession</literal> cuando la "
"aplicaci&#x00f3;n intent&#x00f3; volver a unirlo, se habr&#x00ed;a lanzado "
"una excepci&#x00f3;n."

#: index.docbook:544
msgid ""
"Use <literal>update()</literal> if you are sure that the session does not "
"contain an already persistent instance with the same identifier, and "
"<literal>merge()</literal> if you want to merge your modifications at any "
"time without consideration of the state of the session. In other words, "
"<literal>update()</literal> is usually the first method you would call in a "
"fresh session, ensuring that reattachment of your detached instances is the "
"first operation that is executed."
msgstr ""
"Usa <literal>update()</literal> si no est&#x00e1;s seguro que la sesi&#x00f3;"
"n tenga una instancia ya persistente con el mismo identificador, y "
"<literal>merge()</literal> si quieres fusionar tus modificaciones en "
"cualquier momento sin consideraci&#x00f3;n del estado de la sesi&#x00f3;n. "
"En otras palabras, <literal>update()</literal> es usualmente el primer "
"m&#x00e9;todo que llamar&#x00ed;as en una sesi&#x00f3;n fresca, asegurando "
"que la re-uni&#x00f3;n de tus instancias separadas es la primera "
"operaci&#x00f3;n que se ejecuta."

#: index.docbook:553
msgid ""
"The application should individually <literal>update()</literal> detached "
"instances reachable from the given detached instance if and <emphasis>only</"
"emphasis> if it wants their state also updated. This can be automated of "
"course, using <emphasis>transitive persistence</emphasis>, see <xref linkend="
"\"objectstate-transitive\"/>."
msgstr ""
"La aplicaci&#x00f3;n debe actualizar individualmente las instancias "
"separadas alcanzables por la instancia separada dada llamando a "
"<literal>update()</literal>, si y <emphasis>s&#x00f3;lo</emphasis> si quiere "
"que sus estados sean tambi&#x00e9;n actualizados. Esto puede, por supuesto, "
"ser automatizado usando <emphasis>persistencia transitiva</emphasis>, ver "
"<xref linkend=\"objectstate-transitive\"/>."

#: index.docbook:560
msgid ""
"The <literal>lock()</literal> method also allows an application to "
"reassociate an object with a new session. However, the detached instance has "
"to be unmodified!"
msgstr ""
"El m&#x00e9;todo <literal>lock()</literal> tambi&#x00e9;n permite a una "
"aplicaci&#x00f3;n reasociar un objeto con una sesi&#x00f3;n nueva. Sin "
"embargo, la instancia separada no puede haber sido modificada!"

#: index.docbook:565
msgid ""
"<![CDATA[//just reassociate:\n"
"sess.lock(fritz, LockMode.NONE);\n"
"//do a version check, then reassociate:\n"
"sess.lock(izi, LockMode.READ);\n"
"//do a version check, using SELECT ... FOR UPDATE, then reassociate:\n"
"sess.lock(pk, LockMode.UPGRADE);]]>"
msgstr ""
"<![CDATA[//just reassociate:\n"
"sess.lock(fritz, LockMode.NONE);\n"
"//do a version check, then reassociate:\n"
"sess.lock(izi, LockMode.READ);\n"
"//do a version check, using SELECT ... FOR UPDATE, then reassociate:\n"
"sess.lock(pk, LockMode.UPGRADE);]]>"

#: index.docbook:567
msgid ""
"Note that <literal>lock()</literal> can be used with various "
"<literal>LockMode</literal>s, see the API documentation and the chapter on "
"transaction handling for more information. Reattachment is not the only "
"usecase for <literal>lock()</literal>."
msgstr ""
"Nota que <literal>lock()</literal> puede ser usado con varios "
"<literal>LockMode</literal>s, ver la documentaci&#x00f3;n de la API y el "
"cap&#x00ed;tulo sobre manejo de transacciones para m&#x00e1;s "
"informaci&#x00f3;n. La re-uni&#x00f3;n no es el &#x00fa;nico caso de uso "
"para <literal>lock()</literal>."

#: index.docbook:574
msgid ""
"Other models for long units of work are discussed in <xref linkend="
"\"transactions-optimistic\"/>."
msgstr ""
"Se discuten otros modelos para unidades de trabajo largas en <xref linkend="
"\"transactions-optimistic\"/>."

#: index.docbook:581
msgid "Automatic state detection"
msgstr "Detecci&#x00f3;n autom&#x00e1;tica de estado"

#: index.docbook:583
msgid ""
"Hibernate users have requested a general purpose method that either saves a "
"transient instance by generating a new identifier or updates/reattaches the "
"detached instances associated with its current identifier. The "
"<literal>saveOrUpdate()</literal> method implements this functionality."
msgstr ""
"Los usuarios de Hibernate han pedido un m&#x00e9;todo de prop&#x00f3;sito "
"general que bien salve una instancia transitoria generando un identificador "
"nuevo, o bien actualice/re&#x00fa;na las instancias separadas asociadas con "
"su identificador actual. El m&#x00e9;todo <literal>saveOrUpdate()</literal> "
"implementa esta funcionalidad."

#: index.docbook:590
msgid ""
"<![CDATA[// in the first session\n"
"Cat cat = (Cat) firstSession.load(Cat.class, catID);\n"
"\n"
"// in a higher tier of the application\n"
"Cat mate = new Cat();\n"
"cat.setMate(mate);\n"
"\n"
"// later, in a new session\n"
"secondSession.saveOrUpdate(cat);   // update existing state (cat has a non-"
"null id)\n"
"secondSession.saveOrUpdate(mate);  // save the new instance (mate has a null "
"id)]]>"
msgstr ""
"<![CDATA[// in the first session\n"
"Cat cat = (Cat) firstSession.load(Cat.class, catID);\n"
"\n"
"// in a higher tier of the application\n"
"Cat mate = new Cat();\n"
"cat.setMate(mate);\n"
"\n"
"// later, in a new session\n"
"secondSession.saveOrUpdate(cat);   // update existing state (cat has a non-"
"null id)\n"
"secondSession.saveOrUpdate(mate);  // save the new instance (mate has a null "
"id)]]>"

#: index.docbook:592
msgid ""
"The usage and semantics of <literal>saveOrUpdate()</literal> seems to be "
"confusing for new users. Firstly, so long as you are not trying to use "
"instances from one session in another new session, you should not need to "
"use <literal>update()</literal>, <literal>saveOrUpdate()</literal>, or "
"<literal>merge()</literal>. Some whole applications will never use either of "
"these methods."
msgstr ""
"El uso y sem&#x00e1;ntica de <literal>saveOrUpdate()</literal> parece ser "
"confuso para usuarios nuevos. Primeramente, en tanto no est&#x00e9;s "
"intentando usar instancias de una sesi&#x00f3;n en otra sesi&#x00f3;n nueva, "
"no debes necesitar usar <literal>update()</literal>, <literal>saveOrUpdate()"
"</literal>, o <literal>merge()</literal>. Algunas aplicaciones enteras nunca "
"usar&#x00e1;n ninguno de estos m&#x00e9;todos."

#: index.docbook:600
msgid ""
"Usually <literal>update()</literal> or <literal>saveOrUpdate()</literal> are "
"used in the following scenario:"
msgstr ""
"Usualmente <literal>update()</literal> o <literal>saveOrUpdate()</literal> "
"se usan en el siguiente escenario:"

#: index.docbook:607
msgid "the application loads an object in the first session"
msgstr "la aplicaci&#x00f3;n carga un objeto en la primera sesi&#x00f3;n"

#: index.docbook:612
msgid "the object is passed up to the UI tier"
msgstr "el objeto es pasado a la capa de UI"

#: index.docbook:617
msgid "some modifications are made to the object"
msgstr "se hacen algunas modificaciones al objeto"

#: index.docbook:622
msgid "the object is passed back down to the business logic tier"
msgstr "el objeto se pasa abajo de regreso a la capa de negocio"

#: index.docbook:627
msgid ""
"the application persists these modifications by calling <literal>update()</"
"literal> in a second session"
msgstr ""
"la aplicaci&#x00f3;n hace estas modificaciones persistentes llamando a "
"<literal>update()</literal> en una segunda sesi&#x00f3;n"

#: index.docbook:634
msgid "<literal>saveOrUpdate()</literal> does the following:"
msgstr "<literal>saveOrUpdate()</literal> hace lo siguiente:"

#: index.docbook:640
msgid "if the object is already persistent in this session, do nothing"
msgstr "si el objeto ya es persistente en esta sesi&#x00f3;n, no hace nada"

#: index.docbook:645
msgid ""
"if another object associated with the session has the same identifier, throw "
"an exception"
msgstr ""
"si otro objeto asociado con la sesi&#x00f3;n tiene el mismo identificador, "
"lanza una excepci&#x00f3;n"

#: index.docbook:651
msgid "if the object has no identifier property, <literal>save()</literal> it"
msgstr ""
"si el objeto no tiene ninguna propiedad identificadora, lo salva llamando a "
"<literal>save()</literal>"

#: index.docbook:656
msgid ""
"if the object's identifier has the value assigned to a newly instantiated "
"object, <literal>save()</literal> it"
msgstr ""
"si el identificador del objeto tiene el valor asignado a un objeto "
"reci&#x00e9;n instanciado, lo salva llamando a <literal>save()</literal>"

#: index.docbook:662
msgid ""
"if the object is versioned (by a <literal>&lt;version&gt;</literal> or "
"<literal>&lt;timestamp&gt;</literal>), and the version property value is the "
"same value assigned to a newly instantiated object, <literal>save()</"
"literal> it"
msgstr ""
"si el objeto est&#x00e1; versionado (por un <literal>&lt;version&gt;</"
"literal> o <literal>&lt;timestamp&gt;</literal>), y el valor de la propiedad "
"de versi&#x00f3;n es el mismo valor asignado a una objeto reci&#x00e9;n "
"instanciado, lo salva llamando a <literal>save()</literal>"

#: index.docbook:670
msgid "otherwise <literal>update()</literal> the object"
msgstr ""
"en cualquier otro caso se actualiza el objeto llamando a <literal>update()</"
"literal>"

#: index.docbook:676
msgid "and <literal>merge()</literal> is very different:"
msgstr "y <literal>merge()</literal> es muy diferente:"

#: index.docbook:682
msgid ""
"if there is a persistent instance with the same identifier currently "
"associated with the session, copy the state of the given object onto the "
"persistent instance"
msgstr ""
"si existe una instancia persistente con el mismo identificador asignado "
"actualmente con la sesi&#x00f3;n, copia el estado del objeto dado en la "
"instancia persistente"

#: index.docbook:689
msgid ""
"if there is no persistent instance currently associated with the session, "
"try to load it from the database, or create a new persistent instance"
msgstr ""
"si no existe ninguna instancia persistente actualmente asociada a la "
"sesi&#x00f3;n, intente cargarla de la base de datos, o crear una nueva "
"instancia persistente"

#: index.docbook:695
msgid "the persistent instance is returned"
msgstr "la instancia persistente es devuelta"

#: index.docbook:700
msgid ""
"the given instance does not become associated with the session, it remains "
"detached"
msgstr ""
"la instancia dada no resulta ser asociada a la sesi&#x00f3;n, permanece "
"separada"

#: index.docbook:710
msgid "Deleting persistent objects"
msgstr "Borrando objetos persistentes"

#: index.docbook:712
msgid ""
"<literal>Session.delete()</literal> will remove an object's state from the "
"database. Of course, your application might still hold a reference to a "
"deleted object. It's best to think of <literal>delete()</literal> as making "
"a persistent instance transient."
msgstr ""
"<literal>Session.delete()</literal> quitar&#x00e1; el estado de un objeto de "
"la base de datos. Por supuesto, tu aplicaci&#x00f3;n podr&#x00ed;a tener "
"a&#x00fa;n una referencia a un objeto borrado. Lo mejor es pensar en "
"<literal>delete()</literal> como hacer transitoria una instancia persistente."

#: index.docbook:719
msgid "<![CDATA[sess.delete(cat);]]>"
msgstr "<![CDATA[sess.delete(cat);]]>"

#: index.docbook:721
msgid ""
"You may delete objects in any order you like, without risk of foreign key "
"constraint violations. It is still possible to violate a <literal>NOT NULL</"
"literal> constraint on a foreign key column by deleting objects in the wrong "
"order, e.g. if you delete the parent, but forget to delete the children."
msgstr ""
"Puedes borrar los objetos en el orden que gustes, sin riesgo de violaciones "
"de restricci&#x00f3;n de clave for&#x00e1;nea. A&#x00fa;n es posible violar "
"una restricci&#x00f3;n <literal>NOT NULL</literal> sobre una columna clave "
"for&#x00e1;nea borrando objetos en un orden err&#x00f3;neo, por ejemplo, si "
"borras el padre, pero olvidas borrar los hijos."

#: index.docbook:732
msgid "Replicating object between two different datastores"
msgstr "Replicando objetos entre dos almac&#x00e9;nes de datos diferentes"

#: index.docbook:734
msgid ""
"It is occasionally useful to be able to take a graph of persistent instances "
"and make them persistent in a different datastore, without regenerating "
"identifier values."
msgstr ""
"Es