About property
JPA Entity Fields
Explains how to define and use primary keys in JPA, including composite and embedded primary keys.... Inverse Fields Version Field Property Access Primary key fields are discussed in the ... JPA annotation Specifies that the property or field is not persistent. See JavaDoc Reference Page... ...
JPA Persistence Unit
Explains how to define a JPA persistence unit in the persistence.xml file.... > <properties > <property name = "javax.persistence.jdbc.url" value = "objectdb://localhost/my.odb" /> <property name = "javax.persistence.jdbc.user" value = "admin" ...
Externalising persistence.xml properties in Glassfish?
Hi, ... Then in your server config you define every property as an argument to the JVM like this -dSource =someValue ... My other option is to have your properties in a property file somewhere and have a method that will read in environment. ...
createEntityManagerFactory(persistenceUnitName, properties)
Create and return an EntityManagerFactory for the named persistence unit using the given properties.(Static Method of javax.persistence.Persistence)
Shared (L2) Entity Cache
Explains how to set and use the EntityManagerFactory's shared cache (L2 / level 2) in JPA 2.... also be enabled or disabled using a persistence unit property: <persistence-unit name = "my-pu" > ... <properties > <property name = "javax.persistence.sharedCache.mode" value = "ALL" ...
find(entityClass, primaryKey, properties)
Find by primary key, using the specified properties.(Method of javax.persistence.EntityManager)
$temp property not evaluated properly when used in log path
I have the following lines in my objectdb.conf file: <log path="$temp/ObjectDB/log/" max="8mb" stdout="false" stderr="false" /> <log-archive path="$temp/ObjectDB/log/archive/" retain="90" /> I don't believe that the $temp property is being evaluated properly here as it creates a new directory "$temp" in the same directory as my execution script. Shouldn't this be logging to the system temp directory? ... /> I don't believe that the $temp property is being evaluated properly here as it creates a new directory "$temp" ...
Database Connection using JPA
Describes the main JPA interfaces: EntityManagerFactory, EntityManager and EntityTransaction. Working with the Java Persistence API (JPA) consists of using the following interfaces: This page covers the following topics: Overview EntityManagerFactory EntityManager EntityTransac ...
how to query by properties of onetomany relations? (Error 990)
the following code fails em.createQuery("select f from Foo f where f.bars.name = ?1", Foo.class).setParameter(1, barName) stacktrace: #1 2011-05-10 21:39 the following code fails em. createQuery ( "select f from Foo f where f.bars.name = ?1" , Foo. ...
