Package javax.persistence.metamodel
Interface SingularAttribute<X,T>
- Type Parameters:
X
- The type containing the represented attributeT
- The type of the represented attribute
Instances of the type
SingularAttribute
represents persistent
single-valued properties or fields.- Since:
- Java Persistence 2.0
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Nested Class Summary
Nested classes/interfaces inherited from interface javax.persistence.metamodel.Attribute
Attribute.PersistentAttributeType
Nested classes/interfaces inherited from interface javax.persistence.metamodel.Bindable
Bindable.BindableType
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Method Summary
Methods inherited from interface javax.persistence.metamodel.Attribute
getDeclaringType, getJavaMember, getJavaType, getName, getPersistentAttributeType, isAssociation, isCollection
Methods inherited from interface javax.persistence.metamodel.Bindable
getBindableJavaType, getBindableType
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Method Details
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isId
boolean isId()Is the attribute an id attribute. This method will return true if the attribute is an attribute that corresponds to a simple id, an embedded id, or an attribute of an id class.- Returns:
- boolean indicating whether the attribute is an id
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isVersion
boolean isVersion()Is the attribute a version attribute.- Returns:
- boolean indicating whether the attribute is a version attribute
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isOptional
boolean isOptional()Can the attribute be null.- Returns:
- boolean indicating whether the attribute can be null
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getType
Return the type that represents the type of the attribute.- Returns:
- type of attribute
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