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the database unless modified detached objects are merged back into an EntityManager to become managed ... of rollback or by a commit failure. Explicit Merge Detached objects can be attached to any EntityManager by using the merge method: Employee managedEmployee = em. merge (detachedEmployee); The content

a feature on an ordinary merge operation. This is the test case ( work in 2.4.6 version ) : 2 parents ... ;       // Merge parent1         em ... ("child1"));         em. merge (e1);      

_ MERGE = true;     /**      * @param args the command line arguments ... ;       if (DO_PERSIST_BEFORE_ MERGE ) {        ... ; em. merge (root);         em.getTransaction().commit();   

Hello, it is possible to merge detached entities? There are some attached entities which load from ... the fields of the detached entities will be changed and a merge by em. merge (entity) will be saved the entities. Can this works correctly? How are the rules of the merge process? Do the changed fields

with a parent/child relationship and cascading merge () operations. The parent has an application defined id ... ; EntityTransaction tx = em.getTransaction();     tx.begin();     em. merge (new Child(new Parent("Joe")));     em. merge (new Child(new Parent("Tim")));   

Just started using objectdb (2.3.4). Calling EntityManager. merge for a new (non-managed) object ... .EntityNotFoundException Entity is not found: classdb.Test#'id' (error 631) at com.objectdb.jpa.EMImpl. merge (EMImpl.java:456) at classdb.Test.main(Test.java:32) thepigs Matt Pepar You are right, merging non

tree that is persisted with " merge ()". Then we want to persist “ merge ()” an new object of a different ... .objectdb.o.OBC.onObjectDBError(OBC.java:1503) at com.objectdb.jpa.EMImpl. merge (EMImpl.java:526) at com ... .EMImpl. merge (EMImpl.java:523) ... 43 more   But if we use enhanced classes, we do not

.o.OBC.onObjectDBError(OBC.java:1506) at com.objectdb.jpa.EMImpl. merge (EMImpl.java:518) To narrow ... ().add(new ChannelConfigurationSet());     em. merge (unit); } This is exactly what happens in our webapp. A unit entity gets detached, the user edits it, its merged

Hi, I have found a strange behavior when merging entities with "mapped by" set on @OneToMany relation. Even if object is fetched with find on the same transaction, merge is very slow. It's because on merge every single relation marked as LAZY is fetch from database. Attached two examples

for the new company. I then need to merge each salesman back into the database to keep it in step ... (); giveSalesmenNewTargets(salesmen, company); for (Salesman s : salesmen) em. merge (s); This appears to have the effect of checking and merging the entire companyTargets map for every salesman

Hello, I have a problem with the EntityManager. merge () function. I set a property value ... updateErgoClass(ERGOClass ergoClass) throws DaoException { entityManager. merge (ergoClass ... - is it an ObjectDB merge issue or Spring / JPA transaction management issue? Maybe it is a missing

JPA Method in javax.persistence.EntityManager T merge (   T entity ) Merge the state of the given entity into the current persistence context. Parameters: entity - entity instance Return: the managed instance that the state was merged to Throws: IllegalArgumentException

) (error 631) at com.objectdb.jpa.EMImpl. merge (EMImpl.java:451) at MergeTest.main(MergeTest.java:19 ... problem in merging non managed entity objects (calling merge on a new non persistent object), and build 2

JPA Enum Constant in javax.persistence.CascadeType MERGE Cascade merge operation Since: JPA 1.0

long id;   @ManyToOne(fetch = FetchType.LAZY, cascade = { CascadeType.PERSIST, CascadeType. MERGE ... ("childEntity4"));   parentEntity = entityManager. merge (parentEntityNew);   entityManager

I am trying to persist a new object using merge operation.But I am getting javax.persistence.EntityNotFoundException . When working with other JPA implementor it works fine. I need to use merge beause I need to get the reference to the managed instance of the created object. I am using ObjectDB 2

Hello support, While tracking memory leak in my application i suspected a memory leak in the merging object db implementation. The test case is the following, just run and watch the "Memory Used" by comparing Cascade.ALL (or Cascade. MERGE ) to nothing. Tested with last version of Object Db ( 

Hi, we just tried to upgrade to 2.4.3 from 2.4.2. One of our regression tests is failing. Appears objects are getting created twice on merge . Please see attached unit test. Thanks Paul. pedwards Paul Edwards This regression bug was the result of a bad optimization  that is now fixed in build 2.4.3_01. support Support

") List productSets;   lwalkowski Lukasz Walkowski There were some changes (fixes) in merge in

EntityManager. merge (object) to persist it along with the new address, the database contains two new

, including merging them back to an EntityManager , is discussed in the Detached Entities section

. You may also consider using merge instead of persist . support Support Thank you for the reply. If a product is created ... webservice ID are used as index (and they may already exist in objectdb). I will try with merge , this is probably what i need here. lo Hoel I just tried with merge , it kinda works except now no category

= new Item(); i.setCustomer(c); c.getItemList().add(i); em. merge (c); em.getTransaction().commit ... thing - items are also doubled, when the classes are enhanced and before merging the customer object ... . merge (c); add this line: c.setText("");   Please, can someone fix this as fast as the previous

I am frequently having an error when merging a detached object outside of a transaction ... ;    em. merge (a).setValue("second version");      em.getTransaction ... .createEntityManager();         a = em. merge (a);      

When merge is cascaded to a new entity object that has not been persisted ... = Arrays.asList(new Chapter());         em. merge (book);    ... implementation of merge operations. So unfortunately an immediate fix is not possible. But this issue

().begin();         em. merge (new MyEntity(Id));    

ArrayList ()); } child.getParent().getChildren().add(child); entityManager. merge (child.getParent ... (as the next my problem does). Vladiator Vlad Myachikov When I turn on this option and MERGE ... when persisting id = parent.getId; parent = find(id); parent.getByteData().getData(); merge (parent

;   //em. merge (originalOrganisation);         em ... ; } } Your test demonstrated 2 issues: Duplication of new objects during cascading merge - this is a known issue . You may subscribe to it, and until it is solved use workarounds (i.e. avoiding cascading merge

; protected DataObject merge () {   //System.err.println("Saving " + this.getClass() + " id ... .getTransaction().begin();   DataObject merged = em. merge (this);   em.getTransaction().commit();   em.close();   //System.err.println("Got back id " + merged .id + " version " + merged

;         // Merge parent1         ... ;     em. merge (e1);         // Ok, seems to be well merged         em.getTransaction().commit();   

are annoted with Cascade.ALL. That is, when merging an ObjectValue, the merge operation is propagated ... ;   System.out.println("Trying to merge first object " + em.getLockMode(ov));    ... ())){         em. merge (attr.getValue());     

with incremented field was not used in a subsequent persist operation Are you using a merge or persist? With a 'em. merge ()', you have to take care to assign the reference passed back because it will be different ... be wrong here. EDIT: Merge will attach Willks William Optimistic locking is enabled by ObjectDB

merging detached objects is that JPA has a dedicated method,  merg e(obj), where JDO uses ... makePersistent , ObjectDB has to decide whether it is invoked to  persist or merge . Currently ObjectDB ... that case with an explicit  merge :     ((EntityManager)pm). merge (b_copy); As

so a following merge call doesn't bring any success either. How is this supposed to work? Alex quasado Alexander Adam Looks like calling merge () *before* modifying the underlying list property does the job ... and create a new one using the same factory. - Start transaction again, call merge with your existing

. merge (EMImpl.java:454) at com.contextspace.AddressTest.test(AddressTest.java:93) at sun.reflect ... ) at com.objectdb.jpa.EMImpl. merge (EMImpl.java:451) ... 24 more Caused by: java.lang.reflect ... that ObjectDB builds a new entity object for merge , which includes clearing the new constructed object

have attached a testcase demonstrating this issue. Its failing on the merge . Thanks P. pedwards Paul Edwards ... 363) at com.objectdb.jpa.EMImpl. merge (EMImpl.java:454) at com.contextspace.AddressTest.test ... ) at com.objectdb.o.EMR.q(EMR.java:76) at com.objectdb.jpa.EMImpl. merge (EMImpl.java:451) ... 24

- property com.contextspace.AddressTest$CDI.contactDetails (error 637) at com.objectdb.jpa.EMImpl. merge ... ) at com.objectdb.o.EMR.q(EMR.java:79) at com.objectdb.jpa.EMImpl. merge (EMImpl.java:451) ... 24 ... .objectdb.jpa.EMImpl. merge (EMImpl.java:454) at com.contextspace.AddressTest.test(AddressTest.java:93

cascade=ALL is equivalent to cascade={PERSIST, MERGE , REMOVE, REFRESH, DETACH} . Since: JPA 1.0 Enum ... MERGE Cascade merge operation Since: JPA 1.0 PERSIST Cascade persist operation Since: JPA 1.0 REFRESH

- if an unsupported lock call is made Since: JPA 2.0 T merge (T entity) Merge the state ... : the managed instance that the state was merged to Throws: IllegalArgumentException - if instance is not

. by adding or removing new Chapters), merging the Book class on the server side should result in new and modified Chapters being persisted and merged accordingly. This works as expected on the Book ... project demonstrates a bug in cascading merge to new entity objects. A new issue was filled . 

fetch, detach, change and merge an object I get the following exception: Caused by: com.objectdb.o ... . merge (EMImpl.java:518) Inserting new objects works. Also merging ones created after the update to 2.5

, 8.0, 8.0 Merge it           EntityManager em = getEM();   ... .getTransaction().begin();             em. merge (myEntity ... . But when updating( merging existing record) somehow the rotation overrides the position. I

subclass-specific attributes. Superclass subgraph entries will be merged into subclass subgraphs ... will be merged into subclass subgraphs. The value of this element is the name of the subgraph as

JPA Annotation Version Target: METHOD, FIELD Implemented Interfaces: Annotation Specifies the version field or property of an entity class that serves as its optimistic lock value. The version is used to ensure integrity when performing the merge operation and for optimistic concurrency control

entries will be merged into subclass subgraphs. The value of this element is the name of the key subgraph

. Superclass subgraph entries will be merged into subclass subgraphs. The value of this element is the name

I'm using Version 2.5.4_05 Maybe this Exception is created by calling em. merge ()  - et ... .objectdb.jpa.EMImpl. merge (EMImpl.java:514) at com.sun.enterprise.container.common.impl.EntityManagerWrapper. merge (EntityManagerWrapper.java:305) at de.kevinfleischer.zvagent.dataenricher

it with @PrePersist . If i merge an object the annotated method get's called but all members are on their default values. I only tried it with new objects. So merge get's an object with id = null and therefore shoud behave like persist. (I always use merge ) If i set a breakpoint before the em. merge

, and merges the persistent state of the detached instance into the persistent instance. Only the state of persistent fields is merged . If non-persistent state needs to be copied, the application

the detached instance, and merges the persistent state of the detached instance into the persistent instance. Only the state of persistent fields is merged . If non-persistent state needs to be copied