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. Cascading Detach Marking a reference field with CascadeType . DETACH (or CascadeType . ALL , which includes DETACH ) indicates that detach operations should be cascaded automatically to entity ... field): @Entity class Employee { : @OneToOne ( cascade = CascadeType . DETACH ) private Address address

of additional entity objects. By default, a retrieval operation is automatically cascaded through all the non ... , which is usually unacceptable. A persistent reference field can be excluded from this automatic cascaded ... , indicating that the retrieval operation is cascaded through the field. Explicitly specifying

method or implicitly as a result of a cascade operation. Explicit Remove In order to delete ... the database require an active transaction. Cascading Remove Marking a reference field with CascadeType ... should be cascaded automatically to entity objects that are referenced by that field (multiple entity objects

or implicitly as a result of a cascade operation. Explicit Persist The following code stores ... object or alternatively by setting automatic cascading persist. Cascading Persist Marking a reference ... that persist operations should be cascaded automatically to entity objects that are referenced by

for cascading persist operations: The always  attribute (whose value is "true" , "false" or "auto" ) specifies if persist operations should always be cascaded for every entity, regardless of local cascade settings. The "auto" value functions as "true" when using JDO and as "false" when using JPA

Hi! I was playing with cascading persistence with @ManyToMany and inverse @ManyToMany fields, and I noticed that I can only get cascading persistence in one direction. If the "owner ... transaction-related code to keep it simple. @Entity public class PointCollection { @ManyToMany( cascade

JPA Annotation Attribute in javax.persistence.OneToMany CascadeType [] cascade default {} (Optional) The operations that must be cascaded to the target of the association. Defaults to no operations being cascaded . When the target collection is a java.util.Map , the cascade element applies to the map value. Since: JPA 1.0

JPA Annotation Attribute in javax.persistence.ManyToMany CascadeType [] cascade default {} (Optional) The operations that must be cascaded to the target of the association. When the target collection is a java.util.Map , the cascade element applies to the map value. Defaults to no operations being cascaded . Since: JPA 1.0

with a parent/child relationship and cascading merge() operations. The parent has an application defined id ... ( cascade = CascadeType.ALL)     @SuppressWarnings("unused")     private ... for your assistance.   shimikano Yoshimi Takano Thank you for reporting this problem. Cascading

JPA Annotation Attribute in javax.persistence.OneToOne CascadeType [] cascade default {} (Optional) The operations that must be cascaded to the target of the association. By default no operations are cascaded . Since: JPA 1.0

JPA Annotation Attribute in javax.persistence.ManyToOne CascadeType [] cascade default {} (Optional) The operations that must be cascaded to the target of the association. By default no operations are cascaded . Since: JPA 1.0

= Offer.class, mappedBy = "product", fetch = FetchType.LAZY, cascade = CascadeType.ALL) private Set offers ... , all "connected" offers are also removed ( cascade ). After that, when I iterate over offers in store ... and cascading delete from Product to Offer  are irrelevant to the exception. Let focus only in

;a separate location cascading is not required for the embedded objects themselves. There could be some specific case in which specifying  Embedded  is needed and it is related to cascading . If the embedded object contains a reference to an entity object with cascading annotation

bookTitle; @OneToMany( cascade = CascadeType.ALL, fetch= FetchType.EAGER) private List chapters; The Chapter ... project demonstrates a bug in cascading merge to new entity objects. A new issue was filled . 

. I supposed that makeTransient() should work somehow cascading even for the fields of the Entity ... is probably new). Cascading makeTransient may solve the issue, but may cause other problems (slower

Is there a configuration parameter to set this? dmoshal David Moshal You can set cascade delete using annotations (see also the Orphan Removal section). JDO defines similar annotations, and both JPA ... configuration. You cannot set global cascade delete since that will be too risky - you may delete the entire database. support Support

to cascade delete of B's when deleting A? Or this should be done programatically with separate call to database? vachagan Vachagan Operations are cascaded using relationships

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 ( 

I've determined that the database is correctly initialized, looking at it from the Object Explorer, I can run the code that loads the database in a Junit test and it's initializing the children objects correctly, but in the application running in Jetty with Spring, fetching is not cascading

"}),}) public class Unit implements Serializable, Comparable { ... @OneToMany(mappedBy = "unit", cascade

This issue maybe related to issue #110 (http://www.objectdb.com/database/issue/110). Because that issue has been closed as "fixed", I am reporting this new issue. This is my class definition: @Entity public abstract class Person {     @OneToMany(fetch=FetchType.EAGER, cascade

, cascade =CascadeType.All) private Map companyTargets; } @Entity public class Company { private

Cascading (persist) with a mix of enhanced and not enhanced entities

{ @Basic ( optional =false) Integer field1; @OneToOne ( cascade = CascadeType . ALL ) MyEntity field2 ... to be thrown on any attempt to store an entity with a null value in that field. Cascade and fetch settings

can be cascaded from all the entity objects that have to be stored in the database, including from ... . If global cascade persist is enabled all the reachable entity objects that are not managed

 by a cascading operation. Applying changes to the database by calling the commit method. JPQL

annotation enables configuring cascade and fetch policy, using the following enum types: Additional

relationsto itself with a cascade refresh: @OneToMany(mappedBy = "person", cascade = CascadeType.ALL) private List openIdAuths = new ArrayList (); @OneToMany(mappedBy = "person", cascade = CascadeType.ALL) private List operations = new ArrayList (); @ManyToMany( cascade = CascadeType.REFRESH) @NotNull

I enclose a Netbeans project which demonstrates the problem.  Cascading persist works, but cascading delete does not, leaving orphan objects. sjzlondon Steve Zara Thank you for this report. Apparently cascading delete has never been implemented in ObjectDB (see also "Deleting Dependent

When merge is cascaded to a new entity object that has not been persisted ... ;       @OneToMany( cascade = CascadeType.ALL, fetch= FetchType.EAGER ... from another new / dirty entity object by a reference with cascading persist disabled. The following

of Address which cascades deletes (orphanRemoval=true) to its children which is what we want ... Entities within the collection of a Contact when we delete the Contact? Is that cascaded or do we need ... ( cascade = CascadeType.ALL, orphanRemoval = true)         private List

Hello, sometimes our test suite runs into an unexpected behavior. The test suite persists an entity A, afterwards not persisted entities B are added to entity A. At the end a commit is executed and the commit persists the entities B automatically by cascading . But sometimes the cascading doesn't

Hello, I have a tree of entity classes that reference others using Cascade .ALL in combination with FetchType.LAZY. If I now delete a root entity using EntityManager.remove all leaf nodes will not be deleted. This only applies to the leaf nodes. If I add an additional the behaviour changes

;  @OneToMany(fetch = FetchType.EAGER, cascade = CascadeType.ALL) public long[] time;     @OneToMany(fetch = FetchType.EAGER, cascade = CascadeType.ALL) private long[][] a1;     @OneToMany(fetch = FetchType.EAGER, cascade = CascadeType.ALL) private long[][] a2;  

Defines the set of cascadable operations that are propagated to the associated entity. The value cascade =ALL is equivalent to cascade ={PERSIST, MERGE, REMOVE, REFRESH, DETACH} . Since: JPA 1.0 Enum Constants ALL Cascade all operations Since: JPA 1.0 DETACH Cascade detach operation Since: JPA 2.0

that is the owner of the relationship. When the collection is a java.util.Map , the cascade element ... Customer class: @OneToMany( cascade =ALL, mappedBy="customer") public Set getOrders() { return orders ... class: @OneToMany(targetEntity=com.acme.Order.class, cascade =ALL, mappedBy="customer") public Set

; } See Also: JoinTable Since: JPA 1.0 Public Annotation Attributes CascadeType [] cascade default {} (Optional) The operations that must be cascaded to the target of the association. When the target collection is a java.util.Map , the cascade element applies to the map value. Defaults to no operations

Annotation Attributes CascadeType [] cascade default {} (Optional) The operations that must be cascaded to the target of the association. By default no operations are cascaded . Since: JPA 1.0 FetchType fetch ... the remove operation to entities that have been removed from the relationship and to cascade

JDO Enum Constant in javax.jdo.annotations.ForeignKeyAction CASCADE Since: JDO 2.1

.pm") Collection manages; } Since: JPA 1.0 Public Annotation Attributes CascadeType [] cascade default {} (Optional) The operations that must be cascaded to the target of the association. By default no operations are cascaded . Since: JPA 1.0 FetchType fetch default EAGER (Optional

JPA Annotation Attribute in javax.persistence.OneToMany boolean orphanRemoval default false (Optional) Whether to apply the remove operation to entities that have been removed from the relationship and to cascade the remove operation to those entities. Since: JPA 2.0

JPA Annotation Attribute in javax.persistence.OneToOne boolean orphanRemoval default false (Optional) Whether to apply the remove operation to entities that have been removed from the relationship and to cascade the remove operation to those entities. Since: JPA 2.0

JPA Enum Constant in javax.persistence.CascadeType DETACH Cascade detach operation Since: JPA 2.0

JPA Enum Constant in javax.persistence.CascadeType REFRESH Cascade refresh operation Since: JPA 1.0

JPA Enum Constant in javax.persistence.CascadeType PERSIST Cascade persist operation Since: JPA 1.0

JPA Enum Constant in javax.persistence.CascadeType ALL Cascade all operations Since: JPA 1.0

JPA Enum Constant in javax.persistence.CascadeType REMOVE Cascade remove operation Since: JPA 1.0

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

.java:170) at com.objectdb.o.TVS. cascade (TVS.java:157) at com.objectdb.o.OBM.aO(OBM.java:283) at com ... If there is no deadlock, it could be (according to the stack trace) an issue with cascading a persist operation ... . During cascading objects are tracked and every object is handled only once to avoid an endless

JDO Enum ForeignKeyAction java.lang.Object ∟  java.lang.Enum ∟  javax.jdo.annotations.ForeignKeyAction Enumeration of the foreign-key delete/update action values. Since: JDO 2.1 Enum Constants CASCADE Since: JDO 2.1 DEFAULT Since: JDO 2.1 NONE Since: JDO 2.1 NULL Since: JDO 2.1 RESTRICT