Fast Object Database for Java - with JPA/JDO support

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35

OrderBy.value

Annotation Element javax.persistence.OrderBy String value An orderby_list. Specified as follows: orderby_list::= orderby_item [,orderby_item]* orderby_item::= [property_or_field_name] [ASC ... is not specified, ordering by the primary key of the associated entity is assumed. Default value: "" Since: JPA 1.0
35

values()

Static Method javax.jdo.annotations.IdGeneratorStrategy IdGeneratorStrategy[] values() Returns an array containing the constants of this enum type. This method may be used to iterate over the constants as follows: for (IdGeneratorStrategy c : IdGeneratorStrategy.values()) System.out.println(c
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values()

Static Method javax.persistence.DiscriminatorType DiscriminatorType[] values() Returns an array containing the constants of this enum type. This method may be used to iterate over the constants as follows: for (DiscriminatorType c : DiscriminatorType.values()) System.out.println(c) Returns
35

values()

Static Method javax.persistence.metamodel.PluralAttribute.CollectionType CollectionType[] values() Returns an array containing the constants of this enum type. This method may be used to iterate over the constants as follows: for (CollectionType c : CollectionType.values()) System.out.println(c
35

values()

Static Method javax.jdo.annotations.VersionStrategy VersionStrategy[] values() Returns an array containing the constants of this enum type. This method may be used to iterate over the constants as follows: for (VersionStrategy c : VersionStrategy.values()) System.out.println(c) Returns
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PersistenceProperty.value

Annotation Element javax.persistence.PersistenceProperty String value The value of the property Since: JPA 1.0
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MapKeyEnumerated.value

Annotation Element javax.persistence.MapKeyEnumerated EnumType value (Optional) The type used in mapping a map key enum type. Default value: javax.persistence.EnumType.ORDINAL Since: JPA 2.0
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values(map)

Method javax.persistence.criteria.CriteriaBuilder Expression> values( M map ) Create an expression that returns the values of a map. Parameters: map - map Returns: collection expression Since: JPA 2.0
35

MapsId.value

Annotation Element javax.persistence.MapsId String value (Optional) The name of the attribute within the composite key to which the relationship attribute corresponds. If not supplied, the relationship maps the entity’s primary key. Default value: "" Since: JPA 2.0
35

values()

Static Method javax.persistence.GenerationType GenerationType[] values() Returns an array containing the constants of this enum type. This method may be used to iterate over the constants as follows: for (GenerationType c : GenerationType.values()) System.out.println(c) Returns: an array

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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