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Entity listener - event instead of object

in updated entity. There is a problem however with accessing "old" version of object stored in ... value: {}, new value: {}, actor: {}, date: {}", new Object[] { OPERATION_TYPE_UPDATE, entityName ...                                 .toString() : null, OPERATION_TYPE_UPDATE, actorId, transTime

Optimization Question

to identify exactly what fields have changed from one update to the next. Currently the following sequence executes when a track update comes in: - If it’s a new track simply add it to the database. - If it's an update to an existing track, delete the entire previous entry and then add in the new


Method javax.persistence.EntityManager Query createNativeQuery( String sqlString ) Create an instance of Query for executing a native SQL statement, e.g., for update or delete. Parameters: sqlString - a native SQL query string Returns: the new query instance Since: JPA 1.0


Enum Constant javax.persistence.CacheStoreMode USE Insert/update entity data into cache when read from database and when committed into database: this is the default behavior. Does not force refresh of already cached items when reading from database. Since: JPA 2.0


Enum Constant javax.persistence.CacheStoreMode REFRESH Insert/update entity data into cache when read from database and when committed into database. Forces refresh of cache for items read from database. Since: JPA 2.0


Enum Constant javax.persistence.LockModeType PESSIMISTIC_FORCE_INCREMENT Pessimistic write lock, with version update. Since: JPA 2.0


Enum Constant javax.persistence.LockModeType OPTIMISTIC_FORCE_INCREMENT Optimistic lock, with version update. Since: JPA 2.0


represents exceptions caused by an attempt to update a datastore when the PMF was created as "read


Method javax.jdo.listener.StoreCallback void jdoPreStore() Called before the values are stored from this instance to the data store. Data store fields that might have been affected by modified non-persistent fields should be updated in this method. This method is modified by the enhancer


javax.jdo.annotations Enum ForeignKeyAction java.lang.Object java.lang.Enum<javax.jdo.annotations.ForeignKeyAction> javax.jdo.annotations.ForeignKeyAction Implemented Interfaces: Serializable, Comparable<ForeignKeyAction> Enumeration of the foreign-key delete/update action values

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