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9

Soft Reference Object Cache Recommendation

GC, manually evict JdoBlob2s from their relevant PersistenceManager (via persistenceManager.evict ... it to 0 and 1 and note no difference, including manually allocating a 1 GB softly referenced byte ... callback/listeners to track all objects in a manual strong reference list and upon GC detection manually
9

JDO sequences from ORM file

for this type of file, though I can't see a mention of it in the manual. But I've tried creating one as ... > spiffy Jonathan Harley It is supported, but not mentioned in the manual, because the new manual focuses on JPA (the old JDO manual covers only JDO 1.x, and this specific feature was added later
2

javax.persistence.PostUpdate

callback methods in Chapter 3 of the ObjectDB/JPA manual. This annotation is a marker annotation (with no elements).
2

javax.persistence.ExcludeSuperclassListeners

/JPA manual. This annotation is a marker annotation (with no elements).
2

javax.persistence.EntityListeners

of the ObjectDB/JPA manual. Class[] value The callback listener classes The callback listener classes Since: JPA 1.0
2

javax.persistence.PostPersist

JPA callback methods in Chapter 3 of the ObjectDB/JPA manual. This annotation is a marker annotation (with no elements).
2

javax.persistence.Cacheable

Chapter 3 of the ObjectDB/JPA manual. boolean value (Optional) Whether or not the entity should be cached
2

javax.persistence.criteria.Order

javax.persistence.criteria Interface Order An object that defines an ordering over the query results. Since: JPA 2.0 Learn how to use JPA Criteria API's Order in Chapter 4 of the ObjectDB/JPA manual. Expression<?> getExpression() Return the expression that is used for ordering. Return
2

javax.persistence.TypedQuery

javax.persistence Interface TypedQuery<X> Superinterfaces: Query Interface used to control the execution of typed queries. Since: JPA 2.0 See Also: Query Parameter Learn how to define and use JPA/JPQL queries in Chapter 4 of the ObjectDB/JPA manual. int executeUpdate() Execute an update or delete
1

combined index not used

again. Ability to manually select the query plan that is executed using a hint (will be explained in ... time you may be able to manually select the best query plans for these queries as a quick workaround. support Support To manually select a query plan 2 new query hints are introduced in build 2.7.6_01

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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