Index - Expert OneonOne J2EE Design and Development [Electronic resources] نسخه متنی

Index

D

DAO (Data Access Object) pattern, 257

code portability, 264

helper classes, testing without EJB container, 412

JDBC abstraction framework, 328

sample application data access, 319, 353

BoxOffice interface, 353

calling stored procedures using JDBC, 357

implementing queries using JDBC, 355

implementing updates using JDBC, 356

testing data access, 354

data access

disconnected, 267

EJB tier, 273

entity beans, 274, 285-308

exclusive locking, 301

helper interface business methods, 295

issues, 268-73

JDBC RowSets, 267

JSP pages, 276

local interfaces, 294

locking, 269, 283

middle tier, without EJBs, 275

objectives, 252

optimistic locking, 269

pessimistic locking, 269

relational databases, accessing, 311

O/R mapping technologies, 315

SQL-based database access, 312

sample application, 278-83, 319

DAO pattern, 319, 353

JDBC, 319

servlets, 276

session EJBs, 275

technologies, 25-26

268

using EJBs, 22, 24-26

web tier, 276

where to perform (in which tier), 273-78

data binding

description, 492

HttpServletRequestDataBinder class, 505

JSP custom tags, 494

JSP pages, 446

<jsp:setProperty> element, 446

problems with, 446

MultiActionController class, 486

MVC web frameworks, 493

JavaBeans, 493

user input, processing, 492

data integrity

database locking, 302

Data Transfer Object Factory design patterns

implications of using EJB, 21

data validation

business logic and, 496

guidelines for validation, 498

moving operation to data, 656

options for validation, 496

sample application, 498

DefaultUserValidator class, 499

FormController class, 500, 501

semantic data validation, 496

syntactic data validation, 496

user input, processing, 496

DataAccessException class

compared to SQLException class, 328

JDBC abstraction framework, 328

subclasses, 328

CleanupFailureDataAccessException class, 328

DataAccessResourceFailureException class, 328

DataintegrityViolationException class, 329

DeadlockLoserDataAccessException class, 329

InvalidDataAccessApiUsageException class, 329

InvalidDataAccessResourceUsageException class, 329

OptimisticLockingViolationException class, 329

UncategorizedDataAccessException class, 329

DataAccessResourceFailureException class

JDBC abstraction framework, 328

database driven modeling, 253-55

database interaction

testing, 99

database locking, 302

databases

accessing relational databases, 311

O/R mapping technologies, 315

SQL-based database access, 312

configuring databases, 631

DataIntegrityViolationException class

JDBC abstraction framework, 329

DataSource interface

compared to Connection interface, 340

creating connection pool, 597

JdbcTemplate class and, 340

RdbmsOperation class and, 343

writing effective tests, 87

DataSourceUtils class

JDBC abstraction framework, 336

Date class

compared to Timestamp class, 359

Date class, Java.util package

replacing by long object, 659

dateTimeElement() method, FormatHelper class, 701

DeadlockLoserDataAccessException class

JDBC abstraction framework, 329

deadlocks

database locking, 302

debugging

see also 157

code emitting messages, 161

debugging tools, 160

logging, 160

refactoring, 142

declarative exception handling, 461

declarative transaction management

using EJBs, 23

declareParameter() method, RdbmsOperation class, 344

decoupling components

Observer design pattern, 122

decoupling controllers and views, 517, 684

advantages, 517

named view strategy, 517, 684

static attributes, 519

view definitions, 519

View interface, 518

DefaultUserValidator class

implements Validator interface, 499

sample application data validation, 499

denormalization, RDBMS, 263

data access sample application, 281

dependent value classes

EJB 2.0 CMP, 298

deploy sub-directory, JBoss server, 601

service definition files, 601

deploying applications

see also 51

configuring server to run application, 596

authentication, 597

creating connection pools, 597

creating JMS destinations, 597

installing libraries, 598

EAR deployment, 584

risk management, 70

sample application

creating connection pools, 602

creating JMS destinations, 603

JBoss deployment descriptors, 605

JBoss server, 601, 607

parameters for deployment, 600

steps in deploying application, 600

Ant build tool, 600

using EJBs, 20

writing proprietary deployment descriptors, 598

deployment descriptors

writing proprietary deployment descriptors, 598

JBoss deployment descriptors, 605

deployment units

EJB JAR files, 584

extended deployment units, 585

packaging J2EE applications, 584

WARs, 584

653

design considerations, J2EE, 19

see also OO design principles.

testing design implications, 105

design patterns

Business Delegate pattern, 423

business methods interface pattern, 386

Command design pattern, 125

Composite Entity pattern, 290

DAO (Data Access Object) pattern, 257

Data Transfer Object Factory design patterns, 21

EJB Command design patterns, 374

enterprise architecture goals, 16

expressing using reflection, 132

Factory design pattern, 136

Fat Key pattern, 293

frameworks compared, 167

Front Controller pattern, 447

Generic Attribute Access design patterns, 21

implications of using EJB, 21

MVC (Model View Controller) pattern, 36-38

Observer design pattern, 122

Prototype design pattern, 141

Seppaku pattern, 303

Service Locator pattern, 418

Session Facade design patterns, 21

Singleton design pattern, 139

Strategy design pattern, 119

Template Method design pattern, 116-20

Value Object Assembler pattern, 266

Value Object J2EE pattern, 149

Visitor design pattern, 241

design-level optimization, 614

compared to code-level optimization, 614

development environment, 59

development tools, choosing, 63-67

Digester, Apache Commons

infrastructure, support packages for, 402

DispatchAction class, org.apache.struts.action package, 461

compared to MultiActionController class, 484

Dispatcher class, org.infohazard.maverick package, 461

display show screen

sample application user interface,, 189

distributed applications

see distributed architecture.

distributed architecture

checked exceptions, 130

entity beans guidelines, 307

J2EE design, 676

performance, 612, 653

application partitioning, 612

collocating components in JVM, 663

minimizing remote calls, 655

moving data efficiently, 658

RMI (Remote Method Invocation), 653

SLSB implementing design patterns, 373

EJB Command, 374

Session Facade, 374

using EJBs, 21

documentation, 158-60

guidelines, 159

self-documentation, 159

summarized, 176

domification

facilitating XML generation, 241

Maverick, 462

using with XPath, 553

using with XSLT, 553

sample application views, 556

Domify open source project, 242

installing, 696

Ant build tool, 696

DomifyTag class, com.interface21.web.tags package, 554

doTransform() method, XsltView class, 698

duplication of code

see code duplication.

durable subscriptions

see subscription durability.

Dynami

edge site caching, 671

dynamic proxies

reflection, 137