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by order to specify it as part of the map value. If the relationship mapping ... superclass to override a relationship mapping defined by the mapped superclass. If not specified, the association is mapped the same as in the original mapping. When used to override a mapping defined by

Literals in JPQL and Criteria Queries

by all JPA implementations. String Literals JPQL follows the syntax of SQL ... >, '') and a single quote character in a string is represented by two single quotes (e.g ... >) but this is not supported by all the JPA implementations. Unlike most other JPQL components, String

ObjectDB Website - Terms and Conditions of Use

1. Terms By accessing and using this web site, you agree to be bound by ... are protected by applicable copyright and trade mark law. 2. Use License by ObjectDB Software at any time. Upon terminating your viewing of these materials or


>PessimisticLockScope.NORMAL , element collections and relationships owned by the entity ... >PessimisticLockScope.NORMAL , element collections and relationships owned by the entity ... > . The state of entities referenced by such relationships will not be locked (unless those entities

ObjectDB License Agreement [ver. 2.0.4]

Please read carefully this software license agreement. By downloading, installing or ... will be binding, unless in writing and signed by an authorized representative of each this agreement. 3. The free edition of the Software includes

JPA Persistence Unit

unit is optional when using ObjectDB, but required by JPA. A persistence unit is defined by a persistence ... is represented by the com.objectdb.jpa.Provider string. If not specified, the first JPA

JPA Exceptions

JPA exceptions are represented by a hierarchy of unchecked exceptions: by the PersistenceException class. Some specific errors are represented by ... with no active transaction is represented by:


class="description"> Begin a transaction. The type of transaction is determined by the setting ... .jdo">JDOUserException - if transactions are managed by a container in ... > - if transactions are managed by a container in the managed environment, or if the transaction is not active


them against the declared parameters in order. The names of the declared parameters are ignored ... , import, declared parameters, declared variables, and ordering statements are verified for consistency ... to see that it is assignment compatible to the Class of the query. It is then evaluated by the Boolean

getPersistenceManagerFactory(overrides, name, resourceLoader, pmfLoader)

classes will be observed by an instance of the given listener class. JDO implementations are permitted to define key values of their own. Any key values not recognized by the implementation must be ignored. Key values that are recognized but not supported by an implementation must result in