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Pass more than one parameter to the session.load()

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hi,m trying to pass more than one parameter to session.load().

Session session = HibernateUtil.getSessionFactory().openSession();
Transaction tx = session.beginTransaction();
String res = (String)session.load(LoginDTO.class,loginProps);

and loginProps contain userName and pwd Strings.


<class dynamic-insert="false" dynamic-update="false" mutable="true"
table="logindtls" name="com.spring.hib.dto.LoginDTO" optimistic-lock="version"
polymorphism="implicit" select-before-update="false">
<id column="username" name="userName"/>
<property column="pwd" name="pwd"/>

there is something wrong in my mapping file Login.hbm.xml.Could anyone please help.
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<id column="username" name="userName"/>

Here, only the userName is the primary key.

If you want to pass both userName and password (to validate login maybe), you will have to create a composite key out of them on the table.
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