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3

having(restriction)

Method javax.persistence.criteria.CriteriaQuery CriteriaQuery<T> having( Expression<Boolean> restriction ) Specify a restriction over the groups of the query. Replaces the previous having restriction ... . Parameters: restriction - a simple or compound boolean expression Returns: the modified query Since: JPA 2.0
3

contains(cls, primaryKey)

Method javax.persistence.Cache boolean contains( Class cls, Object primaryKey ) Whether the cache contains data for the given entity. Parameters: cls - entity class primaryKey - primary key Returns: boolean indicating whether the entity is in the cache Since: JPA 2.0
3

javax.persistence.criteria.Expression

- expressions to be tested against Returns: predicate testing for membership Since: JPA 2.0 boolean ... is a compound selection. Returns: boolean indicating whether the selection is a compound selection
3

javax.persistence.criteria.CompoundSelection

element Since: JPA 2.0 boolean isCompoundSelection() Whether the selection item is a compound selection. Whether the selection item is a compound selection. Returns: boolean indicating whether the selection is a compound selection Since: JPA 2.0
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getOperator()

Method javax.persistence.criteria.Predicate BooleanOperator getOperator() Return the boolean operator for the predicate. If the predicate is simple, this is AND. Returns: boolean operator for the predicate Since: JPA 2.0
3

getExpressions()

Method javax.persistence.criteria.Predicate List<Expression<Boolean>> getExpressions() Return the top-level conjuncts or disjuncts of the predicate. Returns empty list if there are no top-level conjuncts or disjuncts of the predicate. Modifications to the list do not affect the query. Returns: list of boolean expressions forming the predicate Since: JPA 2.0
3

isNegated()

Method javax.persistence.criteria.Predicate boolean isNegated() Whether the predicate has been created from another predicate by applying the Predicate.not() method or the CriteriaBuilder.not() method. Returns: boolean indicating if the predicate is a negated predicate Since: JPA 2.0
3

isCompoundSelection()

Method javax.persistence.criteria.Selection boolean isCompoundSelection() Whether the selection item is a compound selection. Returns: boolean indicating whether the selection is a compound selection Since: JPA 2.0
3

hasVersionAttribute()

Method javax.persistence.metamodel.IdentifiableType boolean hasVersionAttribute() Whether the identifiable type has a version attribute. Returns: boolean indicating whether the identifiable type has a version attribute Since: JPA 2.0
0

javax.jdo.spi.PersistenceCapable.ObjectIdFieldManager

to implement both ObjectIdFieldSupplier and ObjectIdFieldConsumer. Since: JDO 1.0 boolean fetchBooleanField ... storeBooleanField(int fieldNumber, boolean value) Store one field into the field manager. Store

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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