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public class Style { Color color1; // default is EnumType .ORDINAL @Enumerated ( EnumType . ORDINAL ) Color color2; @Enumerated ( EnumType . STRING ) Color color3; } enum Color { RED, GREEN, BLUE }; In

JPA Enum EnumType java.lang.Object ∟  java.lang.Enum ∟  javax.persistence. EnumType ... article explains how to use EnumType . Enum Constants ORDINAL Persist enumerated type property or ... . Since: JPA 1.0 Public Static Enum Methods: EnumType [] values () Returns an array containing the constants

JPA Enum Constant in javax.persistence. EnumType STRING Persist enumerated type property or field as a string. Since: JPA 1.0

JPA Enum Constant in javax.persistence. EnumType ORDINAL Persist enumerated type property or field as an integer. Since: JPA 1.0

When the following annotation is present on an enum type entity field: @Enumerated( EnumType .STRING ... ;to @Enumerated( EnumType .STRING) , as your suggestion. It happened because ObjectDB considered a collection of emum values as a query parameter argument to be always  @Enumerated( EnumType .ORDINAL) . This is fixed now in build 2.6.1_05.   support Support

( EnumType .STRING)     @Column(nullable = false)     @Index   ... and found the @Enumerated( EnumType .STRING) annotation is making the difference. If the annotation ... the first reply. opetri Olivier Petri Indeed using  @Enumerated( EnumType .STRING) in the example

or the Enumerated annotation is not used, the EnumType value is assumed to be ORDINAL . Example ... Attributes EnumType value default ORDINAL (Optional) The type used in mapping an enum type. Since: JPA 1.0

;       @ElementCollection @Enumerated( EnumType .STRING)    ... , and see that entity objects preserve their enum values (but values are changed when  EnumType .STRING is not

) @MapKeyEnumerated( EnumType .STRING)     private Map states = new HashMap (); } @Entity ... ( EnumType .STRING) private Map states = new HashMap (); Is this correct now? "mappedBy" is not required

. EnumType ; import javax.persistence.Enumerated; import javax.persistence.GeneratedValue; import javax ... LocalDateTime dateTime = null; @Enumerated( EnumType .STRING) @JsonProperty private Level level = null

PersonalData personalData = new PersonalData(); @Enumerated( EnumType .STRING) private OnlineStatus onlineStatus = OnlineStatus.ONLINE; @Enumerated( EnumType .STRING) private PlayerStatus playerStatus

JPA Annotation Attribute in javax.persistence.MapKeyEnumerated EnumType value default ORDINAL (Optional) The type used in mapping a map key enum type. Since: JPA 2.0

() {...} ... } See Also: ElementCollection OneToMany ManyToMany Since: JPA 2.0 Public Annotation Attributes EnumType value

JPA Annotation Attribute in javax.persistence.Enumerated EnumType value default ORDINAL (Optional) The type used in mapping an enum type. Since: JPA 1.0

processingCount;     @Enumerated( EnumType .ORDINAL)     @Index

; private BaseObject otherParty; @Enumerated( EnumType .STRING) private RelationshipType relationshipType

; @Enumerated( EnumType .STRING) private Level level = null; private String message = null; } itsme Martin

.SEQUENCE, generator = "asd") private int id; @Enumerated( EnumType .STRING) private ExampleEnum

(fetch = FetchType. EAGER ) @Enumerated( EnumType . STRING ) private List roles = null ; itsme Martin

in using EnumType .STRING based enum collection as a query parameter ( issue #1639 ). Fixed