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17

Update is ignored by ObjectDB

the database, and User entity remains modified only in code, even if I go: user = smdb.find(User.class, user.id); In this source highlighted lines modifying entity, but not the database. @Stateless ... == null) { User user = smdb.find(User.class, userID); ShopItem item = shopdb.find(ShopItem
16

500Mb ObjectDb database opening issue

your end users do not need activation codes, and you should avoid including activation codes in
15

Transaction isolation support?

using the same object by different users concurrently (even for read) you can use explicit locking. support Support That was not exactly what I meant: Take the following example: We have a User class and a Book class, and each User have a list of books which the user own defined as @OneToMany(fetch
15

The server cannot start in CentOS

to the objectdb.conf, and get the following: Persist failed: Login Error (unauthorized IP address for user ... ="$objectdb/db-files" />   <!--   <replication url="objectdb://localhost/test.odb;user=admin;password=admin" />   --> </server> <users>   <user username="admin" password="admin" ip="10.63.0.1-10.63
15

openejb jpa jaas module

java.util.*; /** * Created with IntelliJ IDEA. * User: apple * Date: 31.01.2013 * Time: 06:01 ... [] password; private Map options; /** * User ... Properties(); properties.put("javax.persistence.jdbc.user",options.get("user
15

Replication issue, Replayer failing due to NullPointerException.

" /> <url-history size="50" user="true" password="true" /> <log path="/var/log/test/" max="10mb ... /test/backend/db/" /> </server> <users> <user username="backend" password="password" admin="true"> <dir path="/" permissions="access,modify,create,delete" /> </user> <user username
2

javax.persistence.criteria.CriteriaQuery

is CriteriaQuery for some user-defined class X (i.e., a criteria query object created by passing a X class ... from the query execution. If the type of the criteria query is CriteriaQuery for some user-defined
0

setResultClass(cls)

class Date; or one of the java.sql classes Date, Time, or Timestamp; or a user-defined class ... apply: A user-defined result class must have a no-args constructor and one or more public set or
0

getConnectionUserName()

Method javax.jdo.PersistenceManagerFactory String getConnectionUserName() Get the user name for the data store connection. Returns: the user name for the data store connection. Since: JDO 1.0
0

setDetachAllOnCommit(flag)

the user's beforeCompletion callback. During afterCompletion, before calling the user's afterCompletion

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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