Teach Yourself J2EE in 21 Days phần 9 pptx
Teach Yourself J2EE in 21 Days phần 9 pptx
... service information in a partially dynamic way with your
business partners by obtaining service definition information from the server on which
92 4 Day 21
25 0672323842 CH21 3/20/02 9: 35 AM Page 92 4
Using ... logical grouping of services, as
defined in bindingTemplates. At the top level is a UDDI businessEntity that contains
the business information. Each businessEntity contains o...
Teach Yourself J2EE in 21 Days phần 6 pptx
... (“<FORM>”);
89: out.println (“<SELECT NAME=\”tableList\” SIZE=1>” +
➥tables + “</SELECT>”);
90 : out.println (“<INPUT TYPE=submit>”);
91 : out.println (“</FORM>”);
92 :
93 : out.println ... agency.removeSkill(name);
89: }
90 :
91 : public List select(String table) throws RemoteException {
92 : return agency.select(table);
93 : }
94 :
95 : }
The bean...
Teach Yourself J2EE in 21 Days phần 1 pdf
... 89
Applet Parameters 90
Hard-Coded Properties 90
Binding JNDI Objects 90
Binding Objects 91
Binding Problems 91
Name Persistence 92
Rebinding Objects 92
Unbinding Objects 92
Renaming Objects 93
JNDI ... 795
J2EE Business-Tier Patterns 795
J2EE Integration-Tier Patterns 796
Patterns Within J2EE 797
xviii Sams Teach Yourself J2EE in 21 Days
00 0672323842 F...
Teach Yourself J2EE in 21 Days phần 2 docx
... For example,
ic.rebind(“sams/book”, Teach Yourself J2EE in 21 Days );
The code unbinds any existing object bound to that name and binds the new object in its
place.
Using
rebind() is a good design ... bound.
String JNDI = “sams/book”;
try {
Object o = ic.lookup(JNDI);
if (o instanceof String)
ic.unbind (JNDI);
}
catch (NameNotFoundException ex) {}
ic.bind(JNDI, Teach Yourself...
Teach Yourself J2EE in 21 Days phần 3 pdf
... to
findByPrimaryKey(String name) in the JobLocalHome interface.
• The ejbFindByCustomer(String customer) method in JobBean corresponds to
findbyCustomer(String customer) in the JobLocalHome interface.
• ... create(String ref, String customer) method in JobBean corresponds to
ejbCreate(String ref, String customer) in the JobLocalHome interface.
• The ejbFindByPrimaryKey(String name)...
Teach Yourself J2EE in 21 Days phần 4 ppt
... transaction.
interface
EJBContext
+
getEJBHome():EJBHome
+
getEJBLocalHome():EJBLocalHome
+
getEnvironment():Properties
+
getCallerIdentity():Identity
+
getCallerPrincipal():Principal
+
IsCallerInRole(Identity:Identity):boolean
+
IsCallerInRole(s:String):boolean
+
getUserTransaction():UserTransaction
+
setRollbackOnly():void
+
getRollbackOnly():boolean
interface
EntityContext
+
getEJBLocalObj...
Teach Yourself J2EE in 21 Days phần 5 pps
... The container can pool instances.
• It does not have a local or remote interface.
• It is invoked asynchronously by the container.
• The bean lives entirely within a container; the container manages ... {
15: String login = null;
16: if (!(message instanceof TextMessage)) {
17: System.out.println(“ApplicantMatch: bad message:” +
18: ➥ message.getClass());
19: return;
20: }
21: try {
22: l...
Teach Yourself J2EE in 21 Days phần 7 docx
... not defined within the J2EE specification, allowing existing authentication schemes to
be integrated with a J2EE application.
19 0672323842 CH15 3/20/02 9: 33 AM Page 661
Security 697
15
LISTING ... tags defined in the DD; instead, each J2EE server
defines its own mechanism for mapping principals to roles. The J2EE RI defines a pro-
prietary XML file (sun -j2ee- ri.xml) that is...
Teach Yourself J2EE in 21 Days phần 8 pot
... <rtexprvalue>true</rtexprvalue>
89: <type>java.util.String</type>
90 : </attribute>
91 : </tag>
92 : </taglib>
784 Day 17
LISTING 17. 19 Continued
21 0672323842 CH17 3/20/02 9: 32 AM Page ... private String _login;
4: private String _name;
5: private String _email;
6: private String[] _address;
7:
8: public AdvertiseValueObject() {}
9:
10:...
Teach Yourself J2EE in 21 Days phần 10 doc
... 98 0 -98 1
creating, 97 9
deleting rows from, 98 0
dropping, 98 0
editing, 97 8 -97 9
retrieving data from, 98 1
updating, 2 29, 98 3
views
creating, 97 9 -98 0
dropping, 98 0
DataSource object
connection pooling, 357
container-managed ... joins, 98 2
full joins, 98 3
inner joins, 98 1
left outer joins, 98 2
right outer joins, 98 2
manipulating, 177
object modeling, 215
RDBMS...
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