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Manual
115

JPA Entity Fields

superclasses) can be classified into the following five groups: Transient fields Persistent fields Inverse (Mapped By) fields Primary key (ID) fields Version field The first three groups (transient, persistent ... are discussed in the Primary Key section. Transient Fields Transient entity fields are fields
JPA Doc
74

javax.persistence.Transient

javax.persistence Annotation Transient Target: Fields (including property get methods) Specifies that the property or field is not persistent. It is used to annotate a property or field of an entity ... { @Id int id; @Transient User currentUser; ... } Since: JPA 1.0 This annotation is a marker annotation (with no elements).
JDO Doc
72

Constants.OPTION_TRANSACTIONAL_TRANSIENT

Static Field javax.jdo.Constants String OPTION_TRANSACTIONAL_TRANSIENT "javax.jdo.option.TransientTransactional" Since: JDO 2.1 See Also: PersistenceManagerFactory.supportedOptions()
JDO Doc
72

ObjectState.TRANSIENT

Enum Constant javax.jdo.ObjectState TRANSIENT Since: JDO 1.0
JDO Doc
72

ObjectState.TRANSIENT_CLEAN

Enum Constant javax.jdo.ObjectState TRANSIENT_CLEAN Since: JDO 1.0
JDO Doc
72

ObjectState.TRANSIENT_DIRTY

Enum Constant javax.jdo.ObjectState TRANSIENT_DIRTY Since: JDO 1.0
JPA Doc
53

JPA Annotations for Fields

Reference (JavaDoc) of JPA 2 field annotations, including @Basic, @Embedded, @EmbeddedId, @Version, @Transient, @Enumerated, @MapKeyEnumerated, @Temporal and @MapKeyTemporal.
Issue
34

ObjectDB enhancement fails on "is" form for @Transient boolean isLoaded(), ok for "getter" form @Transient boolean getLoaded()

encounter ObjectDB enhancement errors: private boolean loaded = false; @Transient ... : private boolean loaded = false; @Transient @Override public boolean getLoaded ... () { ... } ... public Integer getBalance() { ... } ... @Transient // because status
JDO Doc
32

javax.jdo.PersistenceManager

JDOUserException if the instance is transient or is managed by another PersistenceManager. Parameters: pc ... . This method makes transient instances persistent and applies detached instance changes ... . For a transient instance, it assigns an object identity to the instance and transitions it to persistent
Forum
28

@Transient

{     private String string;     private Date date;     @Transient     private boolean test;          // getters/setters } When I persist the class the transient 'boolean test' is stored in ... because it's a (annotated) transient field? Regards, Will This is strange. I just checked with a simple