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EclipseLink/UserGuide/JPA/Introduction/About EclipseLink

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Revision as of 10:41, 25 April 2012 by (Talk | contribs) (About EclipseLink)

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About EclipseLink

EclipseLink is an advanced object-persistence and object-transformation framework that provides development tools and run-time capabilities that reduce development and maintenance efforts and increase enterprise application functionality.

Using EclipseLink, you can integrate persistence and object-transformation into your application, while staying focused on your primary domain problem by taking advantage of an efficient, flexible, and field-proven solution (see What Is the Object-Persistence Impedance Mismatch).

EclipseLink is suitable for use with a wide range of Java Enterprise Edition (Java EE) and Java application architectures (see EclipseLink Application Architectures). Use EclipseLink to design, implement, deploy, and optimize an advanced object-persistence and object-transformation layer that supports a variety of data sources and formats, including the following:

  • Relational–for transactional persistence of Java objects to a relational database accessed using Java Database Connectivity (JDBC) drivers.
  • Object-Relational Data Type–for transactional persistence of Java objects to special-purpose structured data source representations optimized for storage in object-relational data type databases such as Oracle Database.
  • NoSQL-for persistence of Java objects to document, key-value, and non-relational databases that are not based on the SQL standard, such as MongoDB and Oracle NoSQL.
  • Enterprise information system (EIS)–for transactional persistence of Java objects to a nonrelational data source accessed using a Java EE Connector architecture (JCA) adapter and any supported EIS record type, including indexed, mapped, or XML.
  • XML–for nontransactional, nonpersistent (in-memory) conversion between Java objects and XML Schema Document (XSD)-based XML documents using Java Architecture for XML Binding (JAXB).

EclipseLink includes support for EJB 3 and the Java Persistence API (JPA) in Java EE and Java SE environments including integration with a variety of application servers including:

  • Oracle WebLogic Server
  • Glassfish
  • JBoss
  • IBM WebSphere application server
  • SAP NetWeaver
  • Oracle OC4J
  • various web containers (Apache Tomcat, IBM WebSphere CE, SpringSource tcServer)

EclipseLink lets you quickly capture and define object-to-data source and object-to-data representation mappings in a flexible, efficient metadata format (see Configuration).

The EclipseLink runtime lets your application exploit this mapping metadata with a simple session facade that provides in-depth support for data access, queries, transactions (both with and without an external transaction controller), and caching.

Version: 2.2.0 Draft
Other versions...

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