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15

EntityManagerFactory Fails To Swtich Over To Slave When Master Is Unavailable

to try the second URL in the list: objectdb://10.9.2.15:9998//10.9.2.15:9999/test.odb;user=admin ... size="50" user="true" password="true" />                 <log path="$objectdb/log/" max="8mb" stdout ... " />                 <data path="$objectdb/db" />         </server>         <users
6

Eclipse Public License - v 1.0

may accept certain responsibilities with respect to end users, business partners and the like
6

Working with JPA Entity Objects

Entity objects are in-memory instances of entity classes (persistable user defined classes), which can represent physical objects in the database. Managing an ObjectDB Object Database using JPA requires using entity objects for many operations, including storing, retrieving, updating and deleting
1

Step 2: Entity Class and Persistence Unit

" value="$objectdb/db/guests.odb"/> <property name="javax.persistence.jdbc.user" value="admin
0

javax.jdo.JDOEntityManager

. Returns: the user object associated with this PersistenceManager Since: JDO 1.0 See Also: setUserObject Object getUserObject(Object key) Get the value for the specified key from the map of user objects. Get the value for the specified key from the map of user objects. Parameters: key - the key
0

javax.jdo.PersistenceManager

: the user object associated with this PersistenceManager Since: JDO 1.0 See Also: setUserObject Object getUserObject(Object key) Get the value for the specified key from the map of user objects. Get the value for the specified key from the map of user objects. Parameters: key - the key of the object
0

javax.jdo.Transaction

and completion of transactions under user control. It is a sub-interface of the PersistenceManager that deals ... Synchronization getSynchronization() The user-specified Synchronization instance for this Transaction instance. The user-specified Synchronization instance for this Transaction instance. Returns: the user
0

javax.jdo.PersistenceManagerFactory

store connection. Since: JDO 1.0 String getConnectionUserName() Get the user name for the data store connection. Get the user name for the data store connection. Returns: the user name for the data ... void setConnectionUserName(String userName) Set the user name for the data store connection. Set
0

javax.jdo.Query

given. They return a single instance or a List of result class instances which the user can iterate ... which must be cast to the appropriate result by the user. Any parameters passed to the execute methods are used ... expression evaluates to true. The user may denote uniqueness in the filter expression by explicitly
0

javax.jdo.Constants

factory element's "connection-url" attribute. Since: JDO 2.1 String PMF_ATTRIBUTE_CONNECTION_USER_NAME The name of the persistence manager factory element's "connection-user-name" attribute. The name of the persistence manager factory element's "connection-user-name" attribute. Since: JDO 2.1 String PMF

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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