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isMember(elem, collection)

Method javax.persistence.criteria.CriteriaBuilder Predicate isMember( E elem, Expression<C> collection ) Create a predicate that tests whether an element is a member of a collection. If the collection is empty, the predicate will be false. Parameters: elem - element collection - expression Returns: is-member predicate Since: JPA 2.0
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isMember(elem, collection)

Method javax.persistence.criteria.CriteriaBuilder Predicate isMember( Expression<T> elem, Expression<T> collection ) Create a predicate that tests whether an element is a member of a collection ... collection - expression Returns: is-member predicate Since: JPA 2.0
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Value.mappedBy

Annotation Element javax.jdo.annotations.Value String mappedBy Name of a member in the key class where this value is stored. Returns: the name of a member in the key class where this value is stored Default value: "" Since: JDO 2.1
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Key.mappedBy

Annotation Element javax.jdo.annotations.Key String mappedBy Name of a member in the value class where this key is stored. Returns: the name of a member in the value class where this key is stored Default value: "" Since: JDO 2.1
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Persistent.dependent

Annotation Element javax.jdo.annotations.Persistent String dependent Whether related object(s) of this member are dependent and so deleted when this object is deleted. Returns: whether the related object(s) of this member are dependent Default value: "" Since: JDO 2.1
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Persistent.serializedKey

Annotation Element javax.jdo.annotations.Persistent String serializedKey Whether the keys of this member are serialized. Returns: whether the keys of this member are serialized Default value: "" Since: JDO 2.1
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Persistent.defaultFetchGroup

Annotation Element javax.jdo.annotations.Persistent String defaultFetchGroup Whether this member is in the default fetch group. Returns: whether this member is in the default fetch group Default value: "" Since: JDO 2.1
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Persistent.serializedElement

Annotation Element javax.jdo.annotations.Persistent String serializedElement Whether the elements of this member are serialized. Returns: whether the elements of this member are serialized Default value: "" Since: JDO 2.1
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Persistent.serialized

Annotation Element javax.jdo.annotations.Persistent String serialized Whether this member is serialized into a single column. Returns: whether this member is serialized into a single column Default value: "" Since: JDO 2.1
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Persistent.nullValue

Annotation Element javax.jdo.annotations.Persistent NullValue nullValue Behavior when this member contains a null value. Returns: the behavior when this member contains a null value Default value: javax.jdo.annotations.NullValue.NONE 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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