JDO Method
in javax.jdo.spi.StateInterrogation

Boolean isPersistent(
  Object pc
)

Tests whether the parameter instance is persistent. Instances that represent persistent objects in the data store return Boolean.TRUE.

Instances known by the implementation to be non-persistent return Boolean.FALSE.

Instances not recognized by the implementation return null.

Parameters:
pc - the instance.
Return:
Boolean.TRUE if the parameter instance is persistent.
See Also:
PersistenceManager.makePersistent(Object pc)
PersistenceCapable()
Since:
JDO 2.0