ObjectDB ObjectDB

Internal Website Search

51-60 of 200 resultsRefresh

Possible cause for "Enhancement of type ... is old and cannot be used"

We get the following log: [2015-06-08 13:07:02 #1 type.user] Enhancement of type com.btc.ep ... :-2962887009206123121) [2015-06-08 13:07:02 #2 type] Type com.btc.ep.requirement.bl.internal.ScopeRequirementContainerImpl is not enhanced. [2015-06-08 13:07:02 #3 type.user] Enhancement of type

com.objectdb.o.TEX: Type ... is not found, for a class that's already been enhanced successfully.

persistable types have been enhanced: common.app.Model common.model.Auction common.model.LogEntry ... .MRRound mr.model.MRSettings mr.model.MRTemplate mr.model.MRTrader 11 NON persistable types ... [2019-09-13 17:13:02 #7 type] Type common.app.Model is not enhanced. [2019-09-13 17:13:02 #8 type] Type

TYPE Expression

Hi there! Trying to add a simple type expression with the criteria api like in your sample: cb.equal(e.type(), cb.literal(Country.class)); results in the error: Caused by: com.objectdb.o.UserException: Attempt to store an instance of a non persistable type java.lang.Class at com.objectdb.o.MSG

Update Entity references if we change the type of an entity

Hello, we must change (extend) our entity model and therefor we convert the type of some entities ... EmbeddedSystems References to entity objects are implemented by ObjectDB as a pair of (type + id ... is faster when its exact type is known. Following your request we added a new option to version 1.7.0_02

Failed to generate dynamic type objectdb.java.util.ArrayList

.InternalException: com.objectdb.o.UserException: Failed to generate dynamic type objectdb.java.util.ArrayList com.objectdb.o.UserException: Failed to generate dynamic type objectdb.java.util.ArrayList at com ... to generate dynamic type objectdb.java.util.HashSet com.objectdb.o.UserException: Failed to generate

Enhancement of type is old and cannot be used

: [2021-01-26 15:20:33 #22 type.user] Enhancement of type eu.extech.quant.listing.data ... #23 type] Type eu.extech.quant.listing.data.ProductListingRequest is not enhanced. [2021-01-26 15:20:33 #24 type] Type eu.extech.quant.listing.data.ProductListingStateChangeList is not

Literals in JPQL and Criteria Queries

Literals in JPQL, as in Java, represent constant values. JPQL supports various types of literals ... . 'abc'), enum literals (e.g. mypackage.MyEnum.MY_VALUE) and entity type literals (e.g. Country). JPQL ... values, but the fully qualified name of the enum type should always be specified. For example, assuming


javax.persistence.metamodel Interface ManagedType<X> Superinterfaces: Type<X> Subinterfaces: EmbeddableType, EntityType, IdentifiableType, MappedSuperclassType Instances of the type ManagedType represent entity, mapped superclass, and embeddable types. Since: JPA 2.0 Attribute<?,?> getAttribute


javax.persistence.metamodel Interface EmbeddableType<X> Superinterfaces: ManagedType<X>, Type<X> Instances of the type EmbeddableType represent embeddable types. Since: JPA 2.0 Attribute<?,?> getAttribute(String name) Return the attribute of the managed type that corresponds to the specified name

[ODB1] Chapter 6 - Persistent Objects

, regardless of its type. Instances of persistent classes can become persistent later, as demonstrated by ... by reachability is applicable to all persistent types, including system types, such as String and ArrayList (a complete list of persistent types is available at section 3.2). ObjectDB provides

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

Need Help?

  1. Search ObjectDB website
  2. Read the FAQ
  3. Follow the Tutorials
  4. View or post in the forum
  5. Search or file an issue
  6. Contact support