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4

javax.persistence.JoinColumn

to the generated SQL for the column. Default value: "" Since: JPA 1.0 boolean insertable (Optional ... 1.0 boolean nullable (Optional) Whether the foreign key column is nullable. (Optional ... of the collection table. Default value: "" Since: JPA 1.0 boolean unique (Optional) Whether the property
4

javax.persistence.Column

to create a column of the inferred type. Default value: "" Since: JPA 1.0 boolean insertable (Optional ... field name. Default value: "" Since: JPA 1.0 boolean nullable (Optional) Whether the database column ... value: "" Since: JPA 1.0 boolean unique (Optional) Whether the column is a unique key. (Optional
4

javax.persistence.MapKeyColumn

of the inferred type. Default value: "" Since: JPA 2.0 boolean insertable (Optional) Whether the column ... : "" Since: JPA 2.0 boolean nullable (Optional) Whether the database column is nullable. (Optional ... : "" Since: JPA 2.0 boolean unique (Optional) Whether the column is a unique key. (Optional
4

javax.persistence.criteria.Root

testing for membership 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 boolean isCorrelated() Whether the From
4

javax.persistence.PersistenceUnitUtil

: IllegalArgumentException - if the object is found not to be an entity Since: JPA 2.0 boolean isLoaded(Object entity ... : false if the entity has not been loaded, else true Since: JPA 2.0 boolean isLoaded(Object entity ... has not been loaded, else true Since: JPA 2.0 boolean isLoaded(Object entity, String attributeName
4

javax.persistence.criteria.MapJoin

: predicate testing for membership 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 boolean isCorrelated
4

javax.persistence.metamodel.IdentifiableType

is not present in the identifiable type Since: JPA 2.0 boolean hasSingleIdAttribute ... . Returns true for a simple id or embedded id; returns false for an idclass. Returns: boolean indicating whether the identifiable type has a single id attribute Since: JPA 2.0 boolean hasVersionAttribute
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
0

javax.jdo.FetchGroup

is unmodifiable Since: JDO 2.2 boolean equals(Object other) Return whether this instance is equal ... of this FetchGroup. The name is set only in the factory method. Returns: the name Since: JDO 2.2 boolean ... instances must be identical. Returns: the hash code Since: JDO 2.2 boolean isUnmodifiable() Return
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

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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