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

Nested Class Summary
- Nested classes/interfaces inherited from interface javax.persistence.metamodel.Type
  Type.PersistenceType

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`Attribute<? super X,?>`	`getAttribute(String name)` Return the attribute of the managed type that corresponds to the specified name.
`Set<Attribute<? super X,?>>`	`getAttributes()` Return the attributes of the managed type.
`CollectionAttribute<? super X,?>`	`getCollection(String name)` Return the Collection-valued attribute of the managed type that corresponds to the specified name.
`<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.
`Attribute<X,?>`	`getDeclaredAttribute(String name)` Return the attribute declared by the managed type that corresponds to the specified name.
`Set<Attribute<X,?>>`	`getDeclaredAttributes()` Return the attributes declared by the managed type.
`CollectionAttribute<X,?>`	`getDeclaredCollection(String name)` Return the Collection-valued attribute declared by the managed type that corresponds to the specified name.
`<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.
`ListAttribute<X,?>`	`getDeclaredList(String name)` Return the List-valued attribute declared by the managed type that corresponds to the specified name.
`<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.
`MapAttribute<X,?,?>`	`getDeclaredMap(String name)` Return the Map-valued attribute declared by the managed type that corresponds to the specified name.
`<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.
`Set<PluralAttribute<X,?,?>>`	`getDeclaredPluralAttributes()` Return all multi-valued attributes (Collection-, Set-, List-, and Map-valued attributes) declared by the managed type.
`SetAttribute<X,?>`	`getDeclaredSet(String name)` Return the Set-valued attribute declared by the managed type that corresponds to the specified name.
`<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.
`SingularAttribute<X,?>`	`getDeclaredSingularAttribute(String name)` Return the single-valued attribute declared by the managed type that corresponds to the specified name.
`<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.
`Set<SingularAttribute<X,?>>`	`getDeclaredSingularAttributes()` Return the single-valued attributes declared by the managed type.
`ListAttribute<? super X,?>`	`getList(String name)` Return the List-valued attribute of the managed type that corresponds to the specified name.
`<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.
`MapAttribute<? super X,?,?>`	`getMap(String name)` Return the Map-valued attribute of the managed type that corresponds to the specified name.
`<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.
`Set<PluralAttribute<? super X,?,?>>`	`getPluralAttributes()` Return all multi-valued attributes (Collection-, Set-, List-, and Map-valued attributes) of the managed type.
`SetAttribute<? super X,?>`	`getSet(String name)` Return the Set-valued attribute of the managed type that corresponds to the specified name.
`<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.
`SingularAttribute<? super X,?>`	`getSingularAttribute(String name)` Return the single-valued attribute of the managed type that corresponds to the specified name.
`<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.
`Set<SingularAttribute<? super X,?>>`	`getSingularAttributes()` Return the single-valued attributes of the managed type.

ManagedType (Java(TM) EE 7 Specification APIs) Home of API Java Contents Haut

Methods inherited from interface javax.persistence.metamodel.Type
getJavaType, getPersistenceType

- 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

Document created the 11/06/2005, last modified the 18/08/2025
Source of the printed document:https://www.gaudry.be/en/java-api-javaee-rf-javax/persistence/metamodel/managedtype.html

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References

Manuel PHP : https://docs.oracle.com

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Interface ManagedType<X>

Nested Class Summary

Nested classes/interfaces inherited from interface javax.persistence.metamodel.Type

Method Summary

Methods inherited from interface javax.persistence.metamodel.Type

Method Detail

getAttributes

getDeclaredAttributes

getSingularAttribute

getDeclaredSingularAttribute

getSingularAttributes

getDeclaredSingularAttributes

getCollection

getDeclaredCollection

getSet

getDeclaredSet

getList

getDeclaredList

getMap

getDeclaredMap

getPluralAttributes

getDeclaredPluralAttributes

getAttribute

getDeclaredAttribute