Fast Object Database for Java - with JPA/JDO support

Internal Website Search

51-60 of 200 resultsRefresh
14

javax.persistence.criteria.MapJoin

>, From, Join, Path, PluralJoin,V>, Selection, TupleElementPath get(String attributeName) Create a path corresponding to the referenced attribute. Create a path corresponding
13

javax.persistence.criteria.From

>, Path, Selection, TupleElement Subinterfaces: CollectionJoin, Join, ListJoin, MapJoin ... of associations, embeddables, and collections belonging to the type, and for Paths of attributes ... : the resulting fetch join Since: JPA 2.0 Path get(String attributeName) Create a path corresponding
13

javax.persistence.criteria.Join

>, From, Path, Selection, TupleElement Subinterfaces: CollectionJoin, ListJoin, MapJoin ... - join type Returns: the resulting fetch join Since: JPA 2.0 Path get(String attributeName) Create a path corresponding to the referenced attribute. Create a path corresponding to the referenced
13

javax.persistence.criteria.Root

, Path, Selection, TupleElement A root type in the from clause. Query roots ... Since: JPA 2.0 Path get(String attributeName) Create a path corresponding to the referenced attribute. Create a path corresponding to the referenced attribute. Note: Applications using the string-based
13

javax.persistence.criteria.PluralJoin

, From, Join, Path, Selection, TupleElement Subinterfaces: CollectionJoin ... : attribute - target of the join jt - join type Returns: the resulting fetch join Since: JPA 2.0 Path get(String attributeName) Create a path corresponding to the referenced attribute. Create a path
12

ObjectDB Object Database Features

(extremely fast JOIN queries). Map keys and values are indexable. Nested paths inside embedded objects ... Expressions Path navigation expressions using the dot (.) operator. Comparison operators
12

Step 7: Run the Spring Web App

to the controller path: Assuming that Tomcat 6.0 is installed ... :\objectdb\bin\objectdb.jar (use the path to objectdb.jar on your computer). Click the Close button
12

Collections in JPQL and Criteria Queries

Collections may appear in JPQL queries: as parameters - when collections are assigned as arguments. as path expressions - in navigation to persistent collection fields. IS [NOT] EMPTY The IS [NOT ... these expressions, as shown in the following examples: // Create path and parameter expressions
12

How to upgrade from ObjectDB 1.0?

path> path> Convert server configuration (if any) to the new configuration file
12

Comparison in JPQL and Criteria API

for building these expressions, as shown in the following examples: // Create String path ... = cb.parameter(String.class); // Create Integer path and parameter expressions: Expression

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.

Need Help?

  1. Search ObjectDB website
  2. Read the FAQ
  3. Follow the Tutorials
  4. View or post in the forum
  5. Search or file an issue
  6. Contact support