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Jakarta Enterprise Beans (EJB) specification defines a set of lightweight APIs that an object container (the EJB container) will support in order to provide transactions (using JTA), remote procedure calls (using RMI or RMI-IIOP), concurrency control, dependency injection and access control for business objects. This package contains the ...
A typical implementation model of Java-RMI using stub and skeleton objects. Java 2 SDK, Standard Edition, v1.2 removed the need for a skeleton. The Java Remote Method Invocation (Java RMI) is a Java API that performs remote method invocation, the object-oriented equivalent of remote procedure calls (RPC), with support for direct transfer of serialized Java classes and distributed garbage ...
However, it is possible to generate the IDL definitions for the involved RMI-IIOP data structures and use these definitions to exercise finer control between RMI-IIOP and CORBA communicating partners. Recent versions of RMI-IIOP derive their servants from the standard Servant class. Hence, it is possible to connect them to a CORBA ORB manually ...
Starting with EJB 3.1, the EJB specification defines two variants of the EJB container; a full version and a limited version. The limited version adheres to a proper subset of the specification called EJB 3.1 Lite [ 36 ] [ 37 ] and is part of Java EE 6's web profile (which is itself a subset of the full Java EE 6 specification).
The main role is to allow objects to access data and invoke methods on remote objects (objects residing in non-local memory space). Invoking a method on a remote object is known as remote method invocation (RMI) or remote invocation, and is the object-oriented programming analog of a remote procedure call (RPC).
In distributed computing, a remote procedure call (RPC) is when a computer program causes a procedure (subroutine) to execute in a different address space (commonly on another computer on a shared computer network), which is written as if it were a normal (local) procedure call, without the programmer explicitly writing the details for the remote interaction.
Apache TomEE (pronounced "Tommy") is the Enterprise Edition of Apache Tomcat (Tomcat + Java/Jakarta EE = TomEE) that combines several Java enterprise projects including Apache OpenEJB, Apache OpenWebBeans, Apache OpenJPA, Apache MyFaces and others. [3]
In 2006 when EJB 3.0 was released which had a focus on simplicity, the project went back to its roots and revived the OpenEJB 1.0 codebase, ported select bits of the 2.0 codebase, and eventually brought it up to the EJB 3.0 spec level in what is now called OpenEJB 3.0.