About embedded

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JPA Doc
44

Attribute.PersistentAttributeType.EMBEDDED

Enum Constant javax.persistence.metamodel.Attribute.PersistentAttributeType EMBEDDED Embeddable class attribute Since: JPA 2.0
JDO Doc
44

Embedded.nullIndicatorValue

Annotation Element javax.jdo.annotations.Embedded String nullIndicatorValue The value in the null column to interpret the object as being null. Returns: the null indicator value Default value: "" Since: JDO 2.1
JPA Doc
40

JPA Annotations for Fields

Reference (JavaDoc) of JPA 2 field annotations, including @Basic, @Embedded, @EmbeddedId, @Version, @Transient, @Enumerated, @MapKeyEnumerated, @Temporal and @MapKeyTemporal.
Forum
21

Embedded Object inside another embedded object - is that possible?

I have an entity with an embedded object - it works fine. Now I am trying to add an embedded object inside the first level embedded object - but it does not seem to store it and does not throw ... - the 2nd level embedded class only had final fields.. so they were not stored as expected. Thanks
Forum
20

Embedding Managed Entities in Embedded Objects = bad idea

Discovered that you can't embed entities in embeddable objects if the entity is managed. Haven't tried embedding un-managed entities in embeddable objects, though I imagine that's not a great idea. The the error message isn't all that obvious (attempting to persist object which already has an id
Forum
18

Changing existing objects from Entity to Embedded

name="attributes" embedded="true">     embedded-key="true" embedded-value="true" />             embedded="true"/>    embedded="true">     embedded-key="true" embedded-value="true
Forum
18

Embedded in JDO metadata not working in objectDB 2.x ?

1 (with an OID for every instance) and all other classes were embedded (so without extent ... ">   embedded="true"/>   embedded="true">      embedded-element="true" />      So as
Forum
17

Server vs embedded mode in multi-instance scenario

there will only be one active instance of the app, use embedded mode inside the web application ... otherwise, with such a big performance improvement for embedded mode, but maybe that has a limit ... an embedded or server mode for our scenario? Are there concerns that I'm missing such as availability, bad
Manual
17

Database Server

of TCP/IP communication between the client and the server it is usually slower than embedded mode. In embedded mode, ObjectDB is integrated as a library and runs within the application process, which is much more efficient. As a result, embedded mode should be preferred when possible. For example
Forum
17

Weird behaviour with enhanced classes and embedded entities

entries of my ArrayLists with embedded entities are missing. I've hunted the problem down to an enhanced/proxied list in my entity which contains embedded entities and some .add(obj) are simply failing ... embedded){       embeddedEntities.add(embedded);     }         public List