package methods visibility, 149 package.html file documentation, 160 packages parallel package structure, 90 packaging J2EE apps, 583 see also deploying apps. class loading in J2EE, 585 basic concepts, 585 description, 586 guidelines, 591 server and, 590 deployment units, 584 EJB JAR files, 584 extended deployment units, 585 WARs, 584 sample app, 592 Ant build tool, 594 EAR deployment, 593 pair programming, 110 ParameterActionFactoryProxy class, webwork.action.factory package, 464 ParameterMethodNameResolver class, com.interface21.web.servlet.mvc.multiaction package, 485 parameters stateful functionality, SLSB achieving, 372 parent context, app context null/NOT ~, consequences, 408 passivation & reactivation, 366 SFSB (stateful session beans), 366 ejbPassivate/~Activate() methods, 366 example, 367 SFSB subset surviving, rules for, 366 patterns see design patterns. payment details screen sample app user interface,, 194 PDF generation generating binary content in view, 571 generating PDF with iText, 571, 705 view definitions, 707 perform() method, ThrowawayBean2 class, 462 performance, 611 addressing problems, 630 avoiding use of container services, 631 sample app, 643 server choice and configuration, 630 tuning server, 630 caching, 245, 632 code-level optimization, 614, 638 reflection, 641 synchronization, 641 compared to scalability, 613 converting to XML from JavaBeans, 241 converting to XML from RDBMS, 240 database driven modeling, 254 design-level optimization, 614 distributed architecture, 18, 612, 653 app partitioning, 612 collocating components in JVM, 663 minimizing remote calls, 655 moving data efficiently, 658 RMI (Remote Method invocation), 653 EJBs through local interfaces, 224 enterprise architecture goals, 16, 614 entity bean cache, 305 entity beans, 19, 305 introduction, 611 J2EE design, 675, 678 JMS, 233 local interfaces, 19 locating problems, 623 layered testing, 623 profiling tools, 623 logging, 164 major issues, 672 portability trade off, 263, 612 RDBMS performance tuning, 262 read-only entity beans, 303 reflection, 133, 642 risk management, 69 sample app, 198 Session Fa$cade, implementing using SLSB, 374 RMI no. reduction, advantages, 374 SFSB (stateful session beans) limitations, 366, 373 passivation/reactivation overcoming, 366 stored procedures, RDBMS, 260 testing, 105, 612, 616 benchmarking, 616 com. interface 21.load package, 619 non-web test tools, 619 web test tools, 617 web tier, 663 edge site caching, 671 view performance, 664 web caching using HTTP, 666 XSLT impact, 239 persistence see also BMP. see also CMP. see also EJB QL. CMP/BMP hybrids, 299 managing persistence using JDBC, 313 session beans, 308 persistence logic, 252 decoupling from business logic, 258 stored procedures, RDBMS, 260 persistence manager, JDO, 317 PersistenceCapable interface, 317 PersistenceCapable interface, 317 PersistenceManager interface, 317 PersistenceManagerFactory interface, 317 persistent data BMP or CMP, 292 testing database interaction, 99 pessimistic locking data access, 269 exclusive locking, 302 Pet Store see Java Pet Store. Physical Resource Mapping Strategy description, 444 ease of implementation, 444 Java web development, 444 problems with, 445 PL-SQL stored procedures calling stored procedures using JDBC, 357 Plugln interface, org.apache.struts.action package, 465 polymorphism abstract inheritance, 116 pooling, 365 SLSB (stateless session beans), 365 EJB container managing SLSB pool, 364, 365 monitoring pooled instances no.at runtime, 365 ejbCreate(), using, 365 usage patterns,example considering, 365 portability, 56-58 choosing app server, 46 data access design implications, 24 database locking, 302 description, 57 design portability, 39 designing apps for, 38 EJB QL and CMP, 298 EJB QL proprietary extensions, 299 enterprise architecture goals, 17 entity beans, concerns, 286 implementation portability, 39 2EE design, 677 performance trade off, 263, 612 read-only entity beans, 303 stored procedures, RDBMS, 260 testing strategy effect, 91 PowerTier modeling tool, 304, 306 PreparedStatement interface, 323 caching, 324 compared to Statement interface, 323 JDBC(Java DataBase Connectivity), PreparedStatementCreator interface JDBC abstraction framework, 335 performing queries, 341 performing updates, 341 PreparedStatementCreatorFactory class JDBC abstraction framework, 335 primary keys database ID generation, 271 generation strategies, 269-73 surrogate or intelligent keys, 270 primitive fields optimizing serialization to move data efficiently, 659 private instance variables, 150 summarized, 175 private methods overriding, 154 protected methods, 151 public methods, 144 visibility, 149 production environment, 59 productivity J2EE design, 676 profiling tools, 623 JProbe probe, profiler 625 JVM profiling options, 624 problems with, 624 PropertiesMethodNameResolver class, com.interface21.web.servlet.mvc.multiaction package, 485 PropertiesTestSulteLoader class, com.interface21.load package, 621 PropertyEditorManager class, Java.beans, 400 registering property editors, 400 PropertyEditorSupport class, Java.beans, 400 implementing property editors, 400 example, 400 proprietary deployment descriptors JBoss deployment descriptors, 605 structure, 599 EJB-Specific configuration, 599 web tier configuration, 599 writing for app, 598 protected inner classes, 150 protected instance variables exceptional usage, 151 summarized, 175 protected methods, 118 exception handling, 131 final variables, 149 private methods, 151 visibility, 149 protected modifier abstract methods, 151 Prototype design pattern, 141 proxy approach implementing business interface, 30 proxy caches web caching using HTTP, 666 PTP (Point to Point) messaging, 228 public Instance variables coding standards, 149 final keyword, 149 public Interface, class summarized, 175 public internet users sample app, 180 user interface, 183 error handling, 185 screens, 185 workflow, 184 public methods private methods, 144 visibility, 149 Publish and subscribe messaging, 228 JMS, accessing EJBs using, 426 pull model compared to push model, 449 MVC (Model View Controller) pattern, 449 push model compared to pull model, 449 MVC (Model View Controller) pattern, 449 queries, JDOQL, 318 Query interface, 318 execute()method, 318 query() method, JdbcTemplate class, 337, 338
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