Designing Enterprise Applicationswith the J2EETM Platform 2nd phần 6 doc
Designing Enterprise Applicationswith the J2EETM Platform 2nd phần 6 doc
... declared enterprise bean reference. This
means that the target enterprise bean must be of the type indicated in the
ejb-ref-
type
element and that the home and remote elements of the target enterprise ... result is a circular dependency.
Neither bean can function without the other, and so neither is reusable without the
other. In some cases redesign may eliminate these dep...
Designing Enterprise Applicationswith the J2EETM Platform 2nd phần 10 docx
... 2 56
bean-managed 39, 263
container-managed 39, 264
benefits of 264
guidelines 266
distributed 254, 2 56, 273
enterprise beans 39, 262 – 266
setRollbackOnly 264
enterprise informations systems 268
isolation ... AM
INDEX
414
guidelines 165 – 169
non-transient fields 166
of instance fields 168
SQL 167
type narrowing 166
with container-managed persistence 149
PortableRemoteObject...
Designing Enterprise Applicationswith the J2EETM Platform 2nd phần 1 pot
... it to the end of this project without the support of
Suzy Pelouch who did an excellent job at pulling together all the pieces.
The authors of the J2EE specifications and the developers of the reference
implementation ... influ-
enced the choices made in developing the sample application:
• The need to make rapid and frequent changes to the “look” of the application
• T...
Designing Enterprise Applicationswith the J2EETM Platform 2nd phần 2 ppt
... AM
PLATFORM SERVICES
41
With basic authentication, the Web server authenticates a principal using the
user name and password obtained from the Web client. Like basic authentication,
digest authentication ... should propagate authentication data, the
deployer specifies the authentication data for each resource factory reference
declared by the enterprise bean. The container us...
Designing Enterprise Applicationswith the J2EETM Platform 2nd phần 3 pptx
... method.
4. The
SignoffHTMLAction object calls the model method that signs the user out
of the application.
5. The controller asks the screen flow manager for the next view.
6. The controller forwards the ... occur:
1. The servlet container routes the request to the controller.
2. The controller creates an instance class
SignoffHTMLAction and passes the
request to...
Designing Enterprise Applicationswith the J2EETM Platform 2nd phần 4 pdf
... the parameters in the template file. The templating
service replaces each
insert tag in the template file with the contents of the
subview named by the tag’s
parameter attribute. For example, the ... or
modify data in request scope and then “forward” the request to another compo-
nent. The component to which the request is forwarded then has access to the
state. State in...
Designing Enterprise Applicationswith the J2EETM Platform 2nd phần 5 pot
... bean
types, there are other design choices that you need to make when developing
objects for the EJB tier. These choices include the types of objects that should be
enterprise beans, and the role an enterprise ... databases.
The principal advantage of data access objects is that they decouple the user
of the object from the programming mechanism that accesses the underlyin...
Designing Enterprise Applicationswith the J2EETM Platform 2nd phần 7 potx
... demonstrates the user’s right to claim the identity as its own. This section
describes the various authentication mechanisms supported by the J2EE platform
and how to configure them.
9.2.2.1 Web Tier Authentication
An ... resource, the Web container will prompt the user to authenticate with the
Web container. The request will not be accepted by the Web container until the...
Designing Enterprise Applicationswith the J2EETM Platform 2nd phần 8 ppsx
... If the identity of the caller is equivalent to a distinguished caller, the
component can allow the caller to proceed. If not, the component can prevent the
caller from further interaction. The ... identity, then the J2EE application can implement secure
access to the resource by limiting who can use the accessor. If the mapping of
authentication context is many-to-many,...
Designing Enterprise Applicationswith the J2EETM Platform 2nd phần 9 potx
... application such as the sample application, including:
• The client tier provided by the browser
• The Web tier provided by the server
• The EJB tier provided by the server
• The enterprise information ... the document encoding
in the XML declaration, as the code examples show.
Figure 10 .6
Communicating Localized Content
A message receiver may use the locale encode...
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