Fast Object Database for Java - with JPA/JDO support

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17

javax.persistence.metamodel.MappedSuperclassType

>, ManagedType, Type Instances of the type MappedSuperclassType represent mapped superclass types. Since: JPA 2.0 Attribute getAttribute(String name) Return the attribute of the managed type that corresponds to the specified name. Return the attribute of the managed type that corresponds
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javax.persistence.metamodel.IdentifiableType

javax.persistence.metamodel Interface IdentifiableType Superinterfaces: ManagedType, Type Subinterfaces: EntityType, MappedSuperclassType Instances of the type IdentifiableType represent entity or mapped superclass types. Since: JPA 2.0 Attribute getAttribute(String name) Return
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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
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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
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ObjectDB Object Database Features

deployment). Schema Evolution Fully automatic schema evolution and type versioning. Class hierarchy changes ... automatically. Most field type changes are handled automatically. Moving fields up and down in the class hierarchy is transparent. Support for renaming types, fields and properties. Object Model & Data
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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
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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
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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
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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
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[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.

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