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4

javax.persistence.metamodel.SetAttribute

for the attribute. Returns: persistent attribute type Since: JPA 2.0 boolean isAssociation() Is the attribute an association. Is the attribute an association. Returns: boolean indicating whether the attribute corresponds to an association Since: JPA 2.0 boolean isCollection() Is the attribute collection
4

javax.persistence.criteria.CollectionJoin

- 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 Since: JPA 2.0 boolean isCorrelated() Whether the From object has been obtained as a result of correlation
4

javax.persistence.EntityTransaction

- if the commit fails Since: JPA 1.0 boolean getRollbackOnly() Determine whether the current ... has been marked for rollback. Returns: boolean indicating whether the transaction has been marked for rollback Throws: IllegalStateException - if isActive() is false Since: JPA 1.0 boolean isActive
4

javax.persistence.TypedQuery

value set and the transaction is rolled back Since: JPA 2.0 boolean isBound( Parameter<?> param) Return a boolean indicating whether a value has been bound to the parameter. Return a boolean ... : boolean indicating whether parameter has been bound Since: JPA 2.0 Query setFirstResult(int
4

javax.persistence.metamodel.CollectionAttribute

boolean isAssociation() Is the attribute an association. Is the attribute an association. Returns: boolean indicating whether the attribute corresponds to an association Since: JPA 2.0 boolean isCollection ... collection-valued (represents a Collection, Set, List, or Map). Returns: boolean indicating whether the attribute is collection-valued Since: JPA 2.0
0

isTransactional(pc)

Method javax.jdo.spi.StateInterrogation Boolean isTransactional( Object pc ) Tests ... return Boolean.TRUE. Instances known by the implementation to be non-transactional return Boolean ... . Returns: Boolean.TRUE if the parameter instance is transactional. Since: JDO 2.0 See Also: PersistenceCapable.jdoIsTransactional()
0

nonBinaryCompatibleIs(pc, sibr)

Method javax.jdo.spi.JDOImplHelper boolean nonBinaryCompatibleIs( Object pc ... StateInterrogation instances until one of them handles the call (returns a non-null Boolean ... that delegates to the non-binary-compatible implementation Returns: Boolean.TRUE if the instance satisfies
0

javax.jdo.spi.JDOImplHelper

Since: JDO 1.0 boolean nonBinaryCompatibleIs(Object pc, StateInterrogationBooleanReturn sibr) Determine ... a non-null Boolean with the answer). The caller provides the stateless "method object" that does ... - the method object that delegates to the non-binary-compatible implementation Returns: Boolean.TRUE
0

isPersistent(pc)

Method javax.jdo.spi.StateInterrogation Boolean isPersistent( Object pc ) Tests ... Boolean.TRUE. Instances known by the implementation to be non-persistent return Boolean.FALSE. Instances not recognized by the implementation return null. Parameters: pc - the instance. Returns: Boolean
0

isNew(pc)

Method javax.jdo.spi.StateInterrogation Boolean isNew( Object pc ) Tests whether the parameter ... transaction return Boolean.TRUE. Instances known by the implementation to be non-new return Boolean.FALSE ... : Boolean.TRUE if the parameter instance was made persistent in the current transaction. Since: JDO 2

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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