Page History

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ActiveMQ

ActiveMQ is an Apache implementatino implementation of a Message Bus. It's supports JMS 1.1 and is developed separately from Geronimo. More information can be found here. It's important to note with this subsystem that the code in Geronimo around ActiveMQ are just a wrappers (specifically a GBeans). There are three modules in this subsystem. The ge-activemq-rar modules contains the ActiveMQ RAR (from the ActiveMQ project), the geronimo-activemq-gbean module contains the GBean wrappers around ActiveMQ and geronimo-activemq-gbean-management contains the interfaces for accessing the subsystem externally. An example of how this subsystem is used externally (specifically the externally usable interfaces) is by the console. The console accessed the subsystem through the interfaces in geronimo-activemq-gbean-management, retrieved via GBean.

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JAAS is an Authentication and Authorization specification created by Sun. Geronimo has implemented this specification for use by applications deployed in Geronimo. There are two modules in this subsystem. The geronimo-security module contains the code that implementats implements the JAAS specification. TODO: maybe break this into it's own page?

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The J2EE Connector Architecture is a vendor independenct independent specification for connecting and communicating with Enterprise Information Systems, such as Enterprise Resource Planning (ERP) systems. The Geronimo implementation of this is available in the geronimo-connector module. The associated gerinomo-connector-builder module is used for converting the XML deployment plans into run-time connectors.

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This subsystem contains an implementation of the Java Naming and Directoring Directory Interface. The geronimo-naming module contains all of the classes to handle JNDI lookups and expose those classes via GBeans to the rest of the Geronimo server. The geronimo-naming-builder reads in deployment plans and creates new entries in the running JNDI contexts.

Java

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Persistence API (JPA)

The Java Persistance Persistence API is a specification added to EJB 3.0 to allow easier persistance persistence of EJBs. Geronimo uses Apache's OpenJPA implementatin implementation of JPA. More information on it can be found here. The purpose of the code in Geronimo around JPA Is wrapping the JPA code in a GBean. In the geronimo-persistancepersistence-jpa10 module, the PersistenceUnitGBean class allows access to the OpenJPA routines through the GBean. The geronimo-persistancepersistence-jpa10-builder module creates the persistance persistence GBeans at runtime, from the XML config configuration files.

Core

geronimo-kernel

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