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46

Numbers in JPQL and Criteria Queries

: + (addition), - (subtraction), * (multiplication) and / (division). ObjectDB also supports the % (modulo ... = cb.parameter(Integer.class); // Addition (+) Expression<Integer> sum1 = cb.sum(path, param
16

Apache License, Version 2.0, January 2004

additions to that Work or Derivative Works thereof, that is intentionally submitted to Licensor ... , provided that such additional attribution notices cannot be construed as modifying the License. You may add Your own copyright statement to Your modifications and may provide additional or different
15

Locking in JPA

); In addition, the hint can be set for a specific retrieval operation or query. Releasing ... is active, as so:   em.lock(employee, LockModeType.NONE); Other Explicit Lock Modes In addition ... defines additional lock modes that can also be specified as arguments for the lock method to obtain
15

Eclipse Public License - v 1.0

Contributor: i) changes to the Program, and ii) additions to the Program; where such changes and/or additions to the Program originate from and are distributed by that particular Contributor. A Contribution ... anyone acting on such Contributor's behalf. Contributions do not include additions to the Program
15

JPA Metamodel API

are already stored in the database. Three additional methods can be used to retrieve a specific type by its Class ... "); Additional methods are defined in ManagedType to return attributes of Collection, List, Set a Map ... = entityType.getDeclaredVersion(Long.class); Additional methods are defined in IdentifiableType
11

Query Parameters in JPA

(no matter in which order). Ordinal Parameters (?index) In addition to named parameters, whose form ... and may help in hacking the system. In addition, parameters are more flexible and support elements ... , which is essential whenever using query parameters. In addition, there are 9 methods for extracting
10

allocate(additional)

Method javax.jdo.datastore.Sequence void allocate( int additional ) Provides a hint to the implementation that the application will need additional sequence value objects in short order ... of the algorithm of obtaining additional sequence value objects. Parameters: additional - the number of additional values to allocate Since: JDO 2.0
2

[ODB1] Chapter 6 - Persistent Objects

an additional storing method, Utilities.bind(...). This method (discussed in the next section) enables ... . An embedded object cannot be shared by references from multiple objects. In addition, embedded ... the database. The bind(...) method throws a JDOUserException if the name is already in use. In addition
1

[ODB1] Chapter 9 - ObjectDB Explorer

is equivalent to the following command: > java -Xms16m -Xmx512m -jar odbfe.jar In addition, any JVM argument ... | Options | General | Display"). Additional information about working with viewer windows is provided in ... . Additional information is required for specific types. For instance, most system types require specifying
1

[ODB1] Chapter 2 - A Quick Tour

(such as Java collections) can be stored only as fields of persistent classes. In addition, objects ... name and age) and stored in the database. Program Source Code In addition to the two files from ... enhancer. To use it, an additional main class, named eMain (enhancer Main) is defined: 1 // An enhancer

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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