Fast Object Database for Java - with JPA/JDO support

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detachCopyAll(pcs)

Method javax.jdo.PersistenceManager T[] detachCopyAll( T... pcs ) Detach the specified instances from the PersistenceManager. The flags for detachment (DETACH_LOAD_FIELDS and DETACH_UNLOAD_FIELDS) and the active fetch groups determine the scope of fetching for the graph of instances reachable from
45

retrieveAll(useFetchPlan, pcs)

Method javax.jdo.PersistenceManager void retrieveAll( boolean useFetchPlan, Object... pcs ) Retrieve field values of instances from the store. This tells the PersistenceManager that the application intends to use the instances, and their field values should be retrieved. The fields in the current
45

setIgnoreCache(flag)

Method javax.jdo.PersistenceManager void setIgnoreCache( boolean flag ) Set the ignoreCache parameter for queries. IgnoreCache set to true specifies that for all Query instances created by this PersistenceManager, the default is the cache should be ignored for queries. Parameters: flag - the ignoreCache setting. Since: JDO 1.0
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newQuery(compiled)

Method javax.jdo.PersistenceManager Query newQuery( Object compiled ) Create a new Query using elements from another Query. The other Query must have been created by the same JDO implementation. It might be active in a different PersistenceManager or might have been serialized and restored
45

retrieveAll(pcs, useFetchPlan)

Method javax.jdo.PersistenceManager void retrieveAll( Object[] pcs, boolean useFetchPlan ) Retrieve field values of instances from the store. This tells the PersistenceManager that the application intends to use the instances, and their field values should be retrieved. The fields in the current
45

detachCopy(pc)

Method javax.jdo.PersistenceManager T detachCopy( T pc ) Detach the specified instance from the PersistenceManager. The flags for detachment (DETACH_LOAD_FIELDS and DETACH_UNLOAD_FIELDS) and the active fetch groups determine the scope of fetching for the graph of instances reachable from the pc
45

retrieveAll(pcs, useFetchPlan)

Method javax.jdo.PersistenceManager void retrieveAll( Collection pcs, boolean useFetchPlan ) Retrieve field values of instances from the store. This tells the PersistenceManager that the application intends to use the instances, and their field values should be retrieved. The fields in the current
45

deletePersistent(pc)

Method javax.jdo.PersistenceManager void deletePersistent( Object pc ) Delete the persistent instance from the data store. This method must be called in an active transaction. The data store object ... if the instance is transient or is managed by another PersistenceManager. Parameters: pc - a persistent instance Since: JDO 1.0
45

retrieve(pc, useFetchPlan)

Method javax.jdo.PersistenceManager void retrieve( Object pc, boolean useFetchPlan ) Retrieve field values of an instance from the store. This tells the PersistenceManager that the application intends to use the instance, and its field values must be retrieved. If the useFetchPlan parameter
45

checkConsistency()

Method javax.jdo.PersistenceManager void checkConsistency() Validates the PersistenceManager cache with the datastore. This method has no effect if a transaction is not active. If a datastore transaction is active, this method verifies the consistency of instances in the cache against the datastore

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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