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Index
E
editing, Java-aware, 612–613
EJB Design Patterns: Advanced Patterns, Processes, and Idioms (Marinescu), 41, 567
EJB (Enterprise JavaBeans)
compiler, 302–306
components
BMP, 185–187
CMP, 187–194, 196–198
constructing, 281–292
described, 181–182, 185
home methods, 198–199
locating in descriptor files, 153, 156–157
MDB, 199–200, 294–295
methods required, 182–185
references, obtaining with Finder methods, 194–196
data access, 267, 269
deploying, 322–327
described, 259
JMS, 382–384
logic, 260–261, 268
objects, mapping to relational database, 261–267, 268
overview, 177–178
packaging
archive files, 298–306, 320–322
described, 297–298, 306–309
descriptor files, 312–316
directory structure, 309–311
exploded, 318–320
utility archives, 316–318
security, 440–442
session beans, 293–294
SFSB, 180–181
stateless service
with entity bean persistence, 272–276
entity beans and direct interaction, 277–280
JDBC, 270–272
SLSB, 178–179
values objects and direct interaction with entity beans, 280–281
EJB (Enterprise JavaBeans) container
caching strategies, 223–230
deployment/redeployment, 203
described, 200–201
dynamic compiling, 203–204
life cycle, 201–203
performance, 572–578
referencing other EJB components, 204–207
EJBGen utility
attributes, configuring (class-level tags), 284–286
descriptor elements and interface classes (method-level tags), 286–287
invoking, 287–288
EJB-QL function, 250–252
email confirmations, 294–295, 516
enterprise applications
packaging
archive file (.ear files), 320–322
described, 306–309
descriptor files, 312–316
directory structure, 309–311
exploded, 318–320
utility archives, 316–318
security, 442–443
Enterprise JavaBeans. See EJB
Enterprise JavaBeans (Monson-Haefel), 177
entity beans
caching strategies
combined support, 230–232
read-mostly pattern, 226–230
read-only multicast invalidation, 225–226
between transactions, 223–225
CMP
cascading deletes, 253–255
dynamic queries, 252–253
existence, checking for, 255–256
mapping attributes and foreign keys to multiple database tables, 249–250
numeric primary key, 247–249
SQL support, 250–252
components
BMP, 185–187
CMP, 187–194, 196–198
described, 181–182, 185
home methods, 198–199
MDB, 199–200
methods required, 182–185
references, obtaining with Finder methods, 194–196
concurrency strategies
changes, handling one per transaction, 219–223
described, 211–213
memory, locking, 213–215
read-only, 218
simultaneous transactions, rejecting, 215–217
constructing, 288–292
direct interaction, 277–280
local references, 86
optimizing, 574–576
persistence with stateless service, 272–276
tuning strategies
CMP, relationship caching with, 244–246
database inserts, timing, 239–240
database operations, batching, 238–239
lazy retrieval, controlling using field groups, 240–243
loading beans during Finder operations, 232–235
updates, 236–238
error
application information, outputting, 14–17
descriptor files, 152
display form update, 49–50
handling with JSP pages, 96–97
error handling. See poison messages
events, logging, 407
exceptions, handling at end of bean life cycle, 222
execute queues
administering and deploying, 453, 454–458
application-specific, optimizing, 566–567
WebLogic server domain, configuring, 516
execute threads
administering and deploying, 453, 454–458
counts, tuning, 563–566
WebLogic server domain, configuring, 516
existence, checking for CMP entity beans, 255–256
expiration, messages, 369–372
exploded application, 164–166, 318–320
expression, 9, 32–33
eXtensible Markup Language. See XML
external objects, mapping to WebLogic JNDI, 391
external providers, JMS (Java Message Service), 389
extracting data from forms, 48–49
eXtreme Programming. See XP
Extreme Programming Explained: Embrace Change (Beck), 598
