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- etimologia
O que (quem) é Enterprise JavaBeans - definição
JavaBeans Activation Framework
Enterprise JavaBeans
<specification, business, programming> (EJB) A server-side
component architecture for writing reusable business logic
and portable enterprise applications. EJB is the basis of
Sun's Java 2 Platform, Enterprise Edition (J2EE).
Enterprise JavaBean components are written entirely in Java
and run on any EJB compliant server. They are {operating
system}, platform, and middleware independent, preventing
vendor lock-in.
EJB servers provide system-level services (the "plumbing")
such as transactions, security, threading, and
persistence.
The EJB architecture is inherently transactional,
distributed, multi-tier, scalable, secure, and {wire
protocol} neutral - any protocol can be used: IIOP,
JRMP, HTTP, DCOM etc. EJB 1.1 requires RMI for
communication with components. EJB 2.0 is expected to require
support for RMI/IIOP.
EJB applications can serve assorted clients: browsers, Java,
ActiveX, CORBA etc. EJB can be used to wrap {legacy
systems}.
EJB 1.1 was released in December 1999. EJB 2.0 is in
development.
Sun claims broad industry adoption. 30 vendors are shipping
server products implementing EJB. Supporting vendors include
IBM, Fujitsu, Sybase, Borland, Oracle, and
Symantec.
An alternative is Microsoft's MTS ({Microsoft Transaction
Server}).
http://java.sun.com/products/ejb/.
FAQ (http://java.sun.com/products/ejb/faq.html).
(2000-04-20)
Enterprise (NX-01)
FICTIONAL SPACECRAFT FROM STAR TREK: ENTERPRISE
NX-01 Enterprise; NX-01; Enterprise NX-01; Akiraprise; Nx01; Nx01 enterprise; ISS Enterprise (NX-01); USS Enterprise (NX-01)
Enterprise NX-01 is a fictional spaceship that appears in the American science fiction television series Star Trek: Enterprise. It had the in-universe registration of NX-01 and appeared earlier in the franchise timeline than any other Starfleet ship named Enterprise.
Unitary enterprise
TYPE OF BUSINESS ENTITY IN RUSSIA
Unitary enterprize; Unitary Enterprise; Federal State Unitary Enterprise; State Unitary Enterprise; Municipal Unitary Enterprise; FSUE; State unitary enterprise
A unitary enterprise () is a government-owned corporation in Russia and some other post-Soviet states. Unitary enterprises are business entities that have no ownership rights to the assets that they use in their operations. This form is possible only for state and municipal enterprises, which respectively operate state or municipal property. The owners of the property of a unitary enterprise have no responsibility for its operation and vice versa.
Wikipédia
Jakarta Activation
Within computing, Jakarta Activation (JAF; formerly JavaBeans Activation Framework) is a Jakarta EE API that enables developers to:
- determine the type of an arbitrary piece of data,
- encapsulate access to it,
- discover the operations available on it and
- to instantiate the appropriate bean to perform the operation(s).
It also enables developers to dynamically register types of arbitrary data and actions associated with particular kinds of data. Additionally, it enables a program to dynamically provide or retrieve JavaBeans that implement actions associated with some kind of data. Originally an extension API, it was available as a standard API in Java SE (from Java SE 6 on) and Java EE, but was removed in Java SE 11.
