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Pro JPA 2 pp 117-164 | Cite as

Entity Manager

  • Mike Keith
  • Merrick Schincariol
Chapter

Abstract

Entities do not persist themselves when they are created. Nor do they remove themselves from the database when they are garbage-collected. It is the logic of the application that must manipulate entities to manage their persistent lifecycle. JPA provides the EntityManager interface for this purpose in order to let applications manage and search for entities in the relational database.

Keywords

Department Entity Entity Manager Transaction Management Active Transaction Employee Instance 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Copyright information

© Mike Keith 2013

Authors and Affiliations

  • Mike Keith
    • 1
  • Merrick Schincariol
    • 1
  1. 1.ONCanada

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