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77

Get the last occurence of a list attribut

Get the last occurence of a list attribut
77

Accessiblity of attributes in entities in several OSGi-Bundles

Accessiblity of attributes in entities in several OSGi-Bundles
15

Database Replication and Clustering

> The url attribute of the <replication> element defines a master database. As demonstrated above, a full URL has to be specified including user and password attributes. The slave server uses these details ... of the master server on port 6000. Notice that the specified user and password attributes
15

Auto Generated Values

allocation is specified by the allocationSize attribute. It is possible that some of the IDs in a given ... strategies are almost identical. A tiny difference is related to the initial value attribute ... the last value that was used. The implication for the initialValue attribute is that if you want
15

Chapter 6 - Configuration

The following rules apply to all the relevant configuration elements and attributes: $objectdb, representing ... any path attribute value in the configuration file. The mb and kb suffixes, representing megabytes and kilobytes (respectively), can be used in any size value attribute in the configuration file
15

SSL Configuration

" password="pwd" /> </ssl> The enabled attribute of the ssl element (whose value is "true" or "false ... attribute of the ssl element has to be set to true. Every Keystore / Truststore file is represented by a separate child element with two required attributes: path, which specifies the path to the file
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javax.persistence.criteria.Fetch

-fetched association or attribute. Since: JPA 2.0 Fetch<X,Y> fetch(String attributeName) Create a fetch join to the specified attribute using an inner join. Create a fetch join to the specified attribute using an inner join. Parameters: attributeName - name of the attribute for the target
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javax.persistence.metamodel.MapAttribute

javax.persistence.metamodel Interface MapAttribute<X,K,V> Superinterfaces: Attribute<X,Map<K,V ... java.util.Map-valued attributes. Since: JPA 2.0 Class<T> getBindableJavaType() Return the Java type ... of the object is PLURAL_ATTRIBUTE, the Java element type is returned. If the bindable type is SINGULAR
3

Step 4: Add a Servlet Class

: The EntityManagerFactory is retrieved from the application scope attribute, and then an EntityManager ... "guest" attribute. Then the processing is forwarded to the JSP page (which is presented in the next tutorial step). The JSP uses the "guest" attribute to generate the page output. Finally
3

Step 4: Add a Servlet Class

the application scope attribute, and then an EntityManager (representing a database connection ... are retrieved from the database and stored in the request's "guest" attribute. Then the processing ... " attribute to generate the page output. Finally, the database connection (including the transaction

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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