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18

Best practice: Database update/migration of embedded databases in products

and familyName in a PostLoad callback (if not null) to name. Only name will be used by the application (except in ... a PostLoad callback (if not null). If conversion is restricted to V1.0 -> V1.1 and V1.1 -> V2.0
18

Unable to store AtomicInteger

is to store an int then from the entity call an extra setup function in @PostLoad ... , then there shouldn't be a problem, right?) Flying Banana Jiacong Xu You may either use serialization or the PostLoad solution in this case. support Support
18

Failed to read the value of field using reflection

to ConcurrentHashMap (and added a converter callback attached to @PostLoad event so I get my concurrent ... it to ConcurrentHashMap after @PostLoad, Eclipse threw a project error so I was seeing old code. There is no longer a problem! :) Flying Banana Jiacong Xu
12

Schema evolution & renamed/moved enum

convertible type, you can add a new field (with a different field name) with the new type and on PostLoad
12

@Convert is not supported?

lifecycle event (PostLoad). The purpose of converters is totally different (i.e. mapping RDBMS columns
12

Automatic schema evolution causes ArrayOutOfBoundsException

field name, and write code to convert from List<String> to List<Permission>, possibly in a PostLoad
12

JPA 2.1 and AttributeConverter

(such as PostLoad, PrePersist, PreUpdate). support Support
12

Managing software release cycles.

configuration. In some cases you may have to write code. You can use the PostLoad event to adjust
12

Compress ODB file with XML content

compressedValue on PostLoad and setting compressedValue by compressing value on PrePersist and PreUpdate

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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