About JBoss AS

101-110 of 200Refresh
Manual
2

Setting and Tuning of JPA Queries

simple JPA operations, such as find. However, query execution is much more complex ... the application, either at the EntityManager level as a default for all the queries in that EntityManager ... . "objectdb.query-language" - sets the query language, as one of "JPQL" (JPA query language), "JDOQL
Result
2

Privacy Policy

for websites to obtain explicit consent from users before leaving behind or reading files such as cookies ... and stored securely until a time it is no longer required or has no use, as detailed in the Data ... on are custom to the terms and conditions as well as the privacy policies held with each social media
Manual
2

Database Transaction Replayer

of that transaction is used as the name of the file. A recording file, with the same transaction ID in its name ... and the required backup file does not exist, ObjectDB automatically creates a backup file as a copy ... file (e.g. my.odb as shown above). ObjectDB automatically locates the proper backup and recording
Manual
2

Working with JPA Entity Objects

at it is that the persistence context also functions as a local cache for a given EntityManager. ObjectDB also manages a level 2 shared cache for the EntityManagerFactory as well as other caches as explained in ... ); The persistence context can be cleared by using the clear method, as so: em.clear
Manual
2

Obtaining a JPA Database Connection

"); The createEntityManagerFactory static method expects a persistence unit name as an argument ... itself (that is the job of the factory as previously explained). Once the EntityManager object is closed ... resources (such as a database file pointer or a socket to a remote server) in a connection pool and use
Manual
2

Updating JPA Entity Objects

yet are also persisted. Automatic Change Tracking As shown above, an update is achieved by modifying a managed ... automatically JDOHelper.makeDirty(employee, "projects"); // reported as dirty em.getTransaction().commit(); As demonstrated above, array changes are not detected automatically (by default
Manual
2

General Settings and Logging

data, such as query results that contain millions of objects. The element specifies temporary ... . The $temp prefix can be used to represent the system default temporary path, as demonstrated ... sockets become obsolete as a result of inactivity. The value is the timeout in seconds, where 0
FAQ
2

What are the main benefits of using ObjectDB?

. Less (and more simple) code to write, debug and test, as well as a much easier learning curve leads ... fields can be stored by ObjectDB simply as part of the containing object. Relational databases lack ... multiple values (even for a simple data structure such as a collection of strings). In addition
Tutorial
2

Step 3: Define a Spring DAO Component

) that we will define in this step as a Spring MVC component: Open the [New Java Class] dialog box by right ... > Java Class.... Enter GuestDao as the class name - use exactly that case sensitive class name ... the controller, as shown in the next step. Prepares an EntityManager automatically and injects it into the em
JPA Doc
2

JPA Queries

concatenating JPQL strings into a valid complete JPQL query. JPA 2 introduced the JPA Criteria Query API, as ... : As noted above, eventually every criteria query is managed by an ordinary TypedQuery instance ... queries as well as of criteria query elements. It can be obtained either by the EntityManagerFactory's