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DELETE Queries in JPA/JPQL

. For example, the EntityManager may not be aware that a cached entity object in

UPDATE SET Queries in JPA/JPQL

>EntityManager may not be aware that a cached entity object in its persistence context

JPA Annotations for Classes

can be further configured by annotations that specify cache preferences and lifecycle event listener policy (as

javax.persistence.CacheStoreMode

> Used as the value of the javax.persistence.cache ... CacheStoreMode in cache">Chapter 3 of the ObjectDB/JPA ... > Don't insert into cache.

ArrayIndexOutOfBoundException

.jpa.EMImpl.find(EMImpl.java:514) at com.ysoft.cache.objectdb.ObjectCacheDB.deleteInOpenTransaction(ObjectCacheDB.java:361) at com.ysoft.cache.objectdb.ObjectCacheDB.delete(ObjectCacheDB.java:356) at com.ysoft.cache.objectdb.ObjectCacheDB.delete

javax.persistence.EntityManagerFactory

class="header"> Cache" title="Interface in javax.persistence">Cache ... ="teaser"> Access the cache that is associated with the entity manager factory (the "second level cache"). Access

javax.persistence.Cacheable

> Specifies whether an entity should be cached if caching is enabled when the value of the persistence.xml caching element is ENABLE ... and its state must not be cached by the provider.

[ODB1] Chapter 8 - ObjectDB Server

in server mode in order to enlarge the cache and improve server performance:

[ODB1] Chapter 5 - JDO Connections

, it is recommended that write caching be disabled - at least for the database file and the recovery

getObjectById(oid, validate)

"> This method locates a persistent instance in the cache of instances managed by this cache with the specified JDO identity. The oid parameter object ... >false, and there is already an instance in the cache with the same JDO identity as the