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javax.persistence.SequenceGenerator

javax.persistence Annotation SequenceGenerator Target: Classes and fields (including property get methods) Defines a primary key generator that may be referenced by name when a generator element is specified for the GeneratedValue annotation. A sequence generator may be specified on the entity
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Persistent.loadFetchGroup

Annotation Element javax.jdo.annotations.Persistent String loadFetchGroup Name of the fetch-group to use when this member is loaded due to being referenced when not already loaded. Returns: the name of the load fetch group Default value: "" Since: JDO 2.1
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Column.scale

Annotation Element javax.jdo.annotations.Column int scale Scale for the column when handling floating point values. Returns: the scale for the column when handling floating point values Default value: -1 Since: JDO 2.1
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FetchPlan.fetchGroups

Annotation Element javax.jdo.annotations.FetchPlan String[] fetchGroups The fetch groups in this fetch plan. Returns: the fetch groups Default value: {} Since: JDO 2.1
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Unique.columns

Annotation Element javax.jdo.annotations.Unique Column[] columns Columns that compose this unique constraint. Returns: columns that compose this unique constraint Default value: {} Since: JDO 2.1
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Element.dependent

Annotation Element javax.jdo.annotations.Element String dependent Whether the element is dependent on the owner, and will be deleted when the owner is deleted. Returns: whether the element is dependent on the owner, and will be deleted when the owner is deleted Default value: "" Since: JDO 2.1
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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
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Query.unique

Annotation Element javax.jdo.annotations.Query String unique Whether the query returns a single unique result. Returns: whether the query returns a single unique result Default value: "" Since: JDO 2.1
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Inheritance.customStrategy

Annotation Element javax.jdo.annotations.Inheritance String customStrategy Custom inheritance strategy. If customStrategy is non-empty, then strategy must be UNSPECIFIED. Returns: the custom inheritance strategy Default value: "" Since: JDO 2.1
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Persistent.extensions

Annotation Element javax.jdo.annotations.Persistent Extension[] extensions Vendor extensions for this member. Returns: the vendor extensions Default value: {} 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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