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3

getSingularAttribute(name, type)

Method javax.persistence.metamodel.ManagedType SingularAttribute<?,Y> getSingularAttribute( String name, Class<Y> type ) Return the single-valued attribute of the managed type that corresponds to the specified name and Java type. Parameters: name - the name of the represented attribute type
3

getSet(name, elementType)

Method javax.persistence.metamodel.ManagedType SetAttribute<?,E> getSet( String name, Class<E> elementType ) Return the Set-valued attribute of the managed type that corresponds to the specified name and Java element type. Parameters: name - the name of the represented attribute elementType
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hasVersionAttribute()

Method javax.persistence.metamodel.IdentifiableType boolean hasVersionAttribute() Whether the identifiable type has a version attribute. Returns: boolean indicating whether the identifiable type has a version attribute Since: JPA 2.0
3

hasSingleIdAttribute()

Method javax.persistence.metamodel.IdentifiableType boolean hasSingleIdAttribute() Whether the identifiable type has a single id attribute. 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
3

getName()

Method javax.persistence.metamodel.EntityType String getName() Return the entity name. Returns: entity name Since: JPA 2.0
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getPersistenceType()

Method javax.persistence.metamodel.Type PersistenceType getPersistenceType() Return the persistence type. Returns: persistence type Since: JPA 2.0
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getJavaType()

Method javax.persistence.metamodel.Type Class<X> getJavaType() Return the represented Java type. Returns: Java type Since: JPA 2.0
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StaticMetamodel.value

Annotation Element javax.persistence.metamodel.StaticMetamodel Class<?> value Class being modeled by the annotated class. Since: JPA 2.0
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getCollection(name, elementType)

Method javax.persistence.metamodel.ManagedType CollectionAttribute<?,E> getCollection( String name, Class<E> elementType ) Return the Collection-valued attribute of the managed type that corresponds to the specified name and Java element type. Parameters: name - the name of the represented
3

isVersion()

Method javax.persistence.metamodel.SingularAttribute boolean isVersion() Is the attribute a version attribute. Returns: boolean indicating whether the attribute is a version attribute Since: JPA 2.0

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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