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3

Optimistic locking: prevent version increment on entity collection attribute

you can help. Thanks @Entity public class Document {        // ID is generated by the database     @Id private long id;        @OneToMany(mappedBy="document")     private ArrayList readings = new ArrayList();        public long getId() {         return id
Forum
3

Database Inconsistency or corruption

. ObjectValue ID:=100, TYPE:=Person, REVISION:=0, isPersisted:=true, LockMode:=PESSIMISTIC_WRITE]] ... Attribute  ID:=1400, Name:=profileName, Value:=ID:=1400, PrimitiveValue:=ProfileName 99, REVISION:=0, isPersisted:=true ... After the update Operation I also dump the properties of the object. ObjectValue ID
JPA Doc
3

getIdClassAttributes()

Method javax.persistence.metamodel.IdentifiableType Set> 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 Since: JPA 2.0
JDO Doc
3

javax.jdo.identity.ByteIdentity

represents the same object id. Determine if the other object represents the same object id. Parameters: obj - the other object Returns: true if both objects represent the same object id Since: JDO 1.0
JDO Doc
3

javax.jdo.identity.CharIdentity

boolean equals(Object obj) Determine if the other object represents the same object id. Determine if the other object represents the same object id. Parameters: obj - the other object Returns: true if both objects represent the same object id Since: JDO 1.0 boolean equals(Object obj) Check the class
JDO Doc
3

javax.jdo.identity.IntIdentity

Since: JDO 2.2 boolean equals(Object obj) Determine if the other object represents the same object id. Determine if the other object represents the same object id. Parameters: obj - the other object Returns: true if both objects represent the same object id Since: JDO 1.0 boolean equals(Object obj
JDO Doc
3

javax.jdo.identity.LongIdentity

object id. Determine if the other object represents the same object id. Parameters: obj - the other object Returns: true if both objects represent the same object id Since: JDO 1.0 boolean equals(Object
JDO Doc
3

javax.jdo.identity.ShortIdentity

the same object id. Determine if the other object represents the same object id. Parameters: obj - the other object Returns: true if both objects represent the same object id Since: JDO 1.0 boolean equals
JDO Doc
3

javax.jdo.identity.StringIdentity

.2 boolean equals(Object obj) Determine if the other object represents the same object id. Determine if the other object represents the same object id. Parameters: obj - the other object Returns: true if both objects represent the same object id Since: JDO 1.0 boolean equals(Object obj) Check
JDO Doc
3

javax.jdo.JDONullIdentityException

An instance of this class is thrown when attempting to create an object id when the object id constructor parameter is null. This might occur when creating an object id instance from a transient instance