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52

getParent()

Method javax.persistence.criteria.Join From<?,Z> getParent() Return the parent of the join. Returns: join parent Since: JPA 2.0
52

getJoinType()

Method javax.persistence.criteria.Join JoinType getJoinType() Return the join type. Returns: join type Since: JPA 2.0
52

getAttribute()

Method javax.persistence.criteria.Join Attribute<?,?> getAttribute() Return the metamodel attribute corresponding to the join. Returns: metamodel attribute corresponding to the join Since: JPA 2.0
51

InheritanceType.JOINED

Enum Constant javax.persistence.InheritanceType JOINED A strategy in which fields that are specific to a subclass are mapped to a separate table than the fields that are common to the parent class, and a join is performed to instantiate the subclass. Since: JPA 1.0
5

Join.indexed

Annotation Element javax.jdo.annotations.Join String indexed Whether the join column is indexed. Returns: whether the join column(s) is(are) indexed Default value: "" Since: JDO 2.1
5

Join.table

Annotation Element javax.jdo.annotations.Join String table Table to join to (used when joining to secondary tables). Returns: the table Default value: "" Since: JDO 2.1
5

Join.column

Annotation Element javax.jdo.annotations.Join String column Name of the column in the join table. Returns: the name of the column in the join table Default value: "" Since: JDO 2.1
5

Join.generateForeignKey

Annotation Element javax.jdo.annotations.Join String generateForeignKey Generate or assume a foreign key constraint exists on the column or columns associated with this join. Specify "true" or "false". Returns: whether to generate or assume a foreign key constraint Default value: "" Since: JDO 2.1
5

Join.generatePrimaryKey

Annotation Element javax.jdo.annotations.Join String generatePrimaryKey Generate or assume a primary key constraint exists on the column or columns associated with this join. Specify "true" or "false". Returns: whether to generate or assume a primary key constraint Default value: "" Since: JDO 2.1
5

Join.deleteAction

Annotation Element javax.jdo.annotations.Join ForeignKeyAction deleteAction Delete action to be applied to any ForeignKey on this join. Returns: the delete action Default value: javax.jdo.annotations.ForeignKeyAction.UNSPECIFIED Since: JDO 2.1

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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