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4

Explorer bug ? Objects seem to be missing from database in Class view, but are present as references

.entity.Project [null](TEST: project 1) INFO: RequestBean []: Persisted: com.greensoft.entity.Project [1](TEST: project 1) INFO: RequestBean []: Created: com.greensoft.entity.Source [null](TEST: source ... []: Created: com.greensoft.entity.Project [null](TEST: project 2) INFO: RequestBean []: Persisted: com
4

javax.persistence.criteria.CriteriaBuilder.Case

or null, if no alias has been assigned. Return the alias assigned to the tuple element or null ... a predicate to test whether the expression is not null. Create a predicate to test whether the expression is not null. Returns: predicate testing whether the expression is not null Since: JPA 2.0
4

javax.persistence.criteria.Expression

the alias assigned to the tuple element or null, if no alias has been assigned. Return the alias assigned to the tuple element or null, if no alias has been assigned. Returns: alias Since: JPA 2.0 List ... Since: JPA 2.0 Predicate isNotNull() Create a predicate to test whether the expression is not null. Create
4

javax.persistence.criteria.CriteriaBuilder.SimpleCase

element or null, if no alias has been assigned. Return the alias assigned to the tuple element or null, if no alias has been assigned. Returns: alias Since: JPA 2.0 List< Selection ... a predicate to test whether the expression is not null. Create a predicate to test whether the expression
4

javax.persistence.criteria.CriteriaBuilder.In

() Return the alias assigned to the tuple element or null, if no alias has been assigned. Return the alias assigned to the tuple element or null, if no alias has been assigned. Returns: alias Since: JPA 2 ... isNotNull() Create a predicate to test whether the expression is not null. Create a predicate to test
4

javax.persistence.criteria.Predicate

getAlias() Return the alias assigned to the tuple element or null, if no alias has been assigned. Return the alias assigned to the tuple element or null, if no alias has been assigned. Returns: alias ... Since: JPA 2.0 Predicate isNotNull() Create a predicate to test whether the expression is not null. Create
4

coalesce()

Since: JPA 2.0 String getAlias() Return the alias assigned to the tuple element or null, if no alias has been assigned. Return the alias assigned to the tuple element or null, if no alias ... a predicate to test whether the expression is not null. Create a predicate to test whether the expression
0

javax.jdo.JDOHelper

return null. The ObjectId may be serialized and later restored, and used with a PersistenceManager ... return null. Parameters: pc - the PersistenceCapable instance. Returns: the PersistenceManager ... the context context. If context is null, new InitialContext() will be used. This method is equivalent
0

javax.jdo.JDOEntityManager

of interest. If the classes parameter is specified as null, events for all persistent classes and interfaces ... there. Parameters: entityClass - entity class primaryKey - primary key Returns: the found entity instance or null ... is null Since: JPA 1.0 T find(Class<T> entityClass, Object primaryKey, LockModeType lockMode) Find by
0

javax.jdo.annotations.Embedded

if the embedded object is null. The column in the embedded object used to judge if the embedded object is null. Returns: the null indicator column Default value: "" Since: JDO 2.1 String nullIndicatorValue The value in the null column to interpret the object as being null. The value in the null column

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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