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- Type Parameters:
X
- The represented entity or mapped superclass type.
- All Superinterfaces:
- ManagedType<X>, Type<X>
- All Known Subinterfaces:
- EntityType<X>, MappedSuperclassType<X>
public interface IdentifiableType<X> extends ManagedType<X>
Instances of the typeIdentifiableType
represent entity or mapped superclass types.- Since:
- Java Persistence 2.0
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Nested Class Summary
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Nested classes/interfaces inherited from interface javax.persistence.metamodel.Type
Type.PersistenceType
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method and Description <Y> SingularAttribute<X,Y>
getDeclaredId(Class<Y> type)
Return the attribute that corresponds to the id attribute declared by the entity or mapped superclass.<Y> SingularAttribute<X,Y>
getDeclaredVersion(Class<Y> type)
Return the attribute that corresponds to the version attribute declared by the entity or mapped superclass.<Y> SingularAttribute<? super X,Y>
getId(Class<Y> type)
Return the attribute that corresponds to the id attribute of the entity or mapped superclass.Set<SingularAttribute<? super X,?>>
getIdClassAttributes()
Return the attributes corresponding to the id class of the identifiable type.Type<?>
getIdType()
Return the type that represents the type of the id.IdentifiableType<? super X>
getSupertype()
Return the identifiable type that corresponds to the most specific mapped superclass or entity extended by the entity or mapped superclass.<Y> SingularAttribute<? super X,Y>
getVersion(Class<Y> type)
Return the attribute that corresponds to the version attribute of the entity or mapped superclass.boolean
hasSingleIdAttribute()
Whether the identifiable type has a single id attribute.boolean
hasVersionAttribute()
Whether the identifiable type has a version attribute.-
Methods inherited from interface javax.persistence.metamodel.ManagedType
getAttribute, getAttributes, getCollection, getCollection, getDeclaredAttribute, getDeclaredAttributes, getDeclaredCollection, getDeclaredCollection, getDeclaredList, getDeclaredList, getDeclaredMap, getDeclaredMap, getDeclaredPluralAttributes, getDeclaredSet, getDeclaredSet, getDeclaredSingularAttribute, getDeclaredSingularAttribute, getDeclaredSingularAttributes, getList, getList, getMap, getMap, getPluralAttributes, getSet, getSet, getSingularAttribute, getSingularAttribute, getSingularAttributes
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Methods inherited from interface javax.persistence.metamodel.Type
getJavaType, getPersistenceType
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Method Detail
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getId
<Y> SingularAttribute<? super X,Y> getId(Class<Y> type)
Return the attribute that corresponds to the id attribute of the entity or mapped superclass.- Parameters:
type
- the type of the represented id attribute- Returns:
- id attribute
- Throws:
IllegalArgumentException
- if id attribute of the given type is not present in the identifiable type or if the identifiable type has an id class
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getDeclaredId
<Y> SingularAttribute<X,Y> getDeclaredId(Class<Y> type)
Return the attribute that corresponds to the id attribute declared by the entity or mapped superclass.- Parameters:
type
- the type of the represented declared id attribute- Returns:
- declared id attribute
- Throws:
IllegalArgumentException
- if id attribute of the given type is not declared in the identifiable type or if the identifiable type has an id class
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getVersion
<Y> SingularAttribute<? super X,Y> getVersion(Class<Y> type)
Return the attribute that corresponds to the version attribute of the entity or mapped superclass.- Parameters:
type
- the type of the represented version attribute- Returns:
- version attribute
- Throws:
IllegalArgumentException
- if version attribute of the given type is not present in the identifiable type
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getDeclaredVersion
<Y> SingularAttribute<X,Y> getDeclaredVersion(Class<Y> type)
Return the attribute that corresponds to the version attribute declared by the entity or mapped superclass.- Parameters:
type
- the type of the represented declared version attribute- Returns:
- declared version attribute
- Throws:
IllegalArgumentException
- if version attribute of the type is not declared in the identifiable type
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getSupertype
IdentifiableType<? super X> getSupertype()
Return the identifiable type that corresponds to the most specific mapped superclass or entity extended by the entity or mapped superclass.- Returns:
- supertype of identifiable type or null if no such supertype
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hasSingleIdAttribute
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
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hasVersionAttribute
boolean hasVersionAttribute()
Whether the identifiable type has a version attribute.- Returns:
- boolean indicating whether the identifiable type has a version attribute
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getIdClassAttributes
Set<SingularAttribute<? super X,?>> getIdClassAttributes()
Return the attributes corresponding to the id class of the identifiable type.- Returns:
- id attributes
- Throws:
IllegalArgumentException
- if the identifiable type does not have an id class
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getIdType
Type<?> getIdType()
Return the type that represents the type of the id.- Returns:
- type of id
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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/identifiabletype.html
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