javax.persistence.metamodel

Interface ManagedType<X>

  • Type Parameters:
    X - The represented type.
    All Superinterfaces:
    Type<X>
    All Known Subinterfaces:
    EmbeddableType<X>, EntityType<X>, IdentifiableType<X>, MappedSuperclassType<X>

    public interface ManagedType<X>
    extends Type<X>
    Instances of the type ManagedType represent entity, mapped superclass, and embeddable types.
    Since:
    Java Persistence 2.0
    • Method Detail

      • getAttributes

        Set<Attribute<? super X,?>> getAttributes()
        Return the attributes of the managed type.
        Returns:
        attributes of the managed type
      • getDeclaredAttributes

        Set<Attribute<X,?>> getDeclaredAttributes()
        Return the attributes declared by the managed type. Returns empty set if the managed type has no declared attributes.
        Returns:
        declared attributes of the managed type
      • getSingularAttribute

        <Y> SingularAttribute<? super X,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 - the type of the represented attribute
        Returns:
        single-valued attribute with given name and type
        Throws:
        IllegalArgumentException - if attribute of the given name and type is not present in the managed type
      • getDeclaredSingularAttribute

        <Y> SingularAttribute<X,Y> getDeclaredSingularAttribute(String name,
                                                                Class<Y> type)
        Return the single-valued attribute declared by the managed type that corresponds to the specified name and Java type.
        Parameters:
        name - the name of the represented attribute
        type - the type of the represented attribute
        Returns:
        declared single-valued attribute of the given name and type
        Throws:
        IllegalArgumentException - if attribute of the given name and type is not declared in the managed type
      • getSingularAttributes

        Set<SingularAttribute<? super X,?>> getSingularAttributes()
        Return the single-valued attributes of the managed type. Returns empty set if the managed type has no single-valued attributes.
        Returns:
        single-valued attributes
      • getDeclaredSingularAttributes

        Set<SingularAttribute<X,?>> getDeclaredSingularAttributes()
        Return the single-valued attributes declared by the managed type. Returns empty set if the managed type has no declared single-valued attributes.
        Returns:
        declared single-valued attributes
      • getCollection

        <E> CollectionAttribute<? super X,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 attribute
        elementType - the element type of the represented attribute
        Returns:
        CollectionAttribute of the given name and element type
        Throws:
        IllegalArgumentException - if attribute of the given name and type is not present in the managed type
      • getDeclaredCollection

        <E> CollectionAttribute<X,E> getDeclaredCollection(String name,
                                                           Class<E> elementType)
        Return the Collection-valued attribute declared by the managed type that corresponds to the specified name and Java element type.
        Parameters:
        name - the name of the represented attribute
        elementType - the element type of the represented attribute
        Returns:
        declared CollectionAttribute of the given name and element type
        Throws:
        IllegalArgumentException - if attribute of the given name and type is not declared in the managed type
      • getSet

        <E> SetAttribute<? super X,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 - the element type of the represented attribute
        Returns:
        SetAttribute of the given name and element type
        Throws:
        IllegalArgumentException - if attribute of the given name and type is not present in the managed type
      • getDeclaredSet

        <E> SetAttribute<X,E> getDeclaredSet(String name,
                                             Class<E> elementType)
        Return the Set-valued attribute declared by the managed type that corresponds to the specified name and Java element type.
        Parameters:
        name - the name of the represented attribute
        elementType - the element type of the represented attribute
        Returns:
        declared SetAttribute of the given name and element type
        Throws:
        IllegalArgumentException - if attribute of the given name and type is not declared in the managed type
      • getList

        <E> ListAttribute<? super X,E> getList(String name,
                                               Class<E> elementType)
        Return the List-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 - the element type of the represented attribute
        Returns:
        ListAttribute of the given name and element type
        Throws:
        IllegalArgumentException - if attribute of the given name and type is not present in the managed type
      • getDeclaredList

        <E> ListAttribute<X,E> getDeclaredList(String name,
                                               Class<E> elementType)
        Return the List-valued attribute declared by the managed type that corresponds to the specified name and Java element type.
        Parameters:
        name - the name of the represented attribute
        elementType - the element type of the represented attribute
        Returns:
        declared ListAttribute of the given name and element type
        Throws:
        IllegalArgumentException - if attribute of the given name and type is not declared in the managed type
      • getMap

        <K,V> MapAttribute<? super X,K,V> getMap(String name,
                                                 Class<K> keyType,
                                                 Class<V> valueType)
        Return the Map-valued attribute of the managed type that corresponds to the specified name and Java key and value types.
        Parameters:
        name - the name of the represented attribute
        keyType - the key type of the represented attribute
        valueType - the value type of the represented attribute
        Returns:
        MapAttribute of the given name and key and value types
        Throws:
        IllegalArgumentException - if attribute of the given name and type is not present in the managed type
      • getDeclaredMap

        <K,V> MapAttribute<X,K,V> getDeclaredMap(String name,
                                                 Class<K> keyType,
                                                 Class<V> valueType)
        Return the Map-valued attribute declared by the managed type that corresponds to the specified name and Java key and value types.
        Parameters:
        name - the name of the represented attribute
        keyType - the key type of the represented attribute
        valueType - the value type of the represented attribute
        Returns:
        declared MapAttribute of the given name and key and value types
        Throws:
        IllegalArgumentException - if attribute of the given name and type is not declared in the managed type
      • getPluralAttributes

        Set<PluralAttribute<? super X,?,?>> getPluralAttributes()
        Return all multi-valued attributes (Collection-, Set-, List-, and Map-valued attributes) of the managed type. Returns empty set if the managed type has no multi-valued attributes.
        Returns:
        Collection-, Set-, List-, and Map-valued attributes
      • getDeclaredPluralAttributes

        Set<PluralAttribute<X,?,?>> getDeclaredPluralAttributes()
        Return all multi-valued attributes (Collection-, Set-, List-, and Map-valued attributes) declared by the managed type. Returns empty set if the managed type has no declared multi-valued attributes.
        Returns:
        declared Collection-, Set-, List-, and Map-valued attributes
      • getAttribute

        Attribute<? super X,?> getAttribute(String name)
        Return the attribute of the managed type that corresponds to the specified name.
        Parameters:
        name - the name of the represented attribute
        Returns:
        attribute with given name
        Throws:
        IllegalArgumentException - if attribute of the given name is not present in the managed type
      • getDeclaredAttribute

        Attribute<X,?> getDeclaredAttribute(String name)
        Return the attribute declared by the managed type that corresponds to the specified name.
        Parameters:
        name - the name of the represented attribute
        Returns:
        attribute with given name
        Throws:
        IllegalArgumentException - if attribute of the given name is not declared in the managed type
      • getSingularAttribute

        SingularAttribute<? super X,?> getSingularAttribute(String name)
        Return the single-valued attribute of the managed type that corresponds to the specified name.
        Parameters:
        name - the name of the represented attribute
        Returns:
        single-valued attribute with the given name
        Throws:
        IllegalArgumentException - if attribute of the given name is not present in the managed type
      • getDeclaredSingularAttribute

        SingularAttribute<X,?> getDeclaredSingularAttribute(String name)
        Return the single-valued attribute declared by the managed type that corresponds to the specified name.
        Parameters:
        name - the name of the represented attribute
        Returns:
        declared single-valued attribute of the given name
        Throws:
        IllegalArgumentException - if attribute of the given name is not declared in the managed type
      • getCollection

        CollectionAttribute<? super X,?> getCollection(String name)
        Return the Collection-valued attribute of the managed type that corresponds to the specified name.
        Parameters:
        name - the name of the represented attribute
        Returns:
        CollectionAttribute of the given name
        Throws:
        IllegalArgumentException - if attribute of the given name is not present in the managed type
      • getDeclaredCollection

        CollectionAttribute<X,?> getDeclaredCollection(String name)
        Return the Collection-valued attribute declared by the managed type that corresponds to the specified name.
        Parameters:
        name - the name of the represented attribute
        Returns:
        declared CollectionAttribute of the given name
        Throws:
        IllegalArgumentException - if attribute of the given name is not declared in the managed type
      • getSet

        SetAttribute<? super X,?> getSet(String name)
        Return the Set-valued attribute of the managed type that corresponds to the specified name.
        Parameters:
        name - the name of the represented attribute
        Returns:
        SetAttribute of the given name
        Throws:
        IllegalArgumentException - if attribute of the given name is not present in the managed type
      • getDeclaredSet

        SetAttribute<X,?> getDeclaredSet(String name)
        Return the Set-valued attribute declared by the managed type that corresponds to the specified name.
        Parameters:
        name - the name of the represented attribute
        Returns:
        declared SetAttribute of the given name
        Throws:
        IllegalArgumentException - if attribute of the given name is not declared in the managed type
      • getList

        ListAttribute<? super X,?> getList(String name)
        Return the List-valued attribute of the managed type that corresponds to the specified name.
        Parameters:
        name - the name of the represented attribute
        Returns:
        ListAttribute of the given name
        Throws:
        IllegalArgumentException - if attribute of the given name is not present in the managed type
      • getDeclaredList

        ListAttribute<X,?> getDeclaredList(String name)
        Return the List-valued attribute declared by the managed type that corresponds to the specified name.
        Parameters:
        name - the name of the represented attribute
        Returns:
        declared ListAttribute of the given name
        Throws:
        IllegalArgumentException - if attribute of the given name is not declared in the managed type
      • getMap

        MapAttribute<? super X,?,?> getMap(String name)
        Return the Map-valued attribute of the managed type that corresponds to the specified name.
        Parameters:
        name - the name of the represented attribute
        Returns:
        MapAttribute of the given name
        Throws:
        IllegalArgumentException - if attribute of the given name is not present in the managed type
      • getDeclaredMap

        MapAttribute<X,?,?> getDeclaredMap(String name)
        Return the Map-valued attribute declared by the managed type that corresponds to the specified name.
        Parameters:
        name - the name of the represented attribute
        Returns:
        declared MapAttribute of the given name
        Throws:
        IllegalArgumentException - if attribute of the given name is not declared in the managed type

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Document créé le 11/06/2005, dernière modification le 18/08/2025
Source du document imprimé : https://www.gaudry.be/java-api-javaee-rf-javax/persistence/metamodel/managedtype.html

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