Developing enterprise Java applications with J2EE and UML = UML与J2EE企业应用程序开发 /

foreword xiii

preface xv

intended audience xvi

how to use this book xvii

chapter summaries xvii

conventions xviii

acknowledgments xxi

chapter 1 introduction to enterprise software 1

what is enterprise software? 3

challenges in developing enterprise software 5

evolution of enterprise software 6

enterprise software and component-based software

summary 8

chapter 2 introduction to the j2ee 9

what is the java 2 platform, enterprise edition? 11

a brief history of j2ee 12

whyj2ee? 13

a brief overview of j2ee 16

technologies 16

apis 21

.other j2ee technologies and apis 22

summary 23

chapter 3 introduction to the uml 25

uml overview 28

why use the j2ee and the umltogether? 30

challenges in modeling j2ee in the uml 31

extension mechanisms in the uml 32

stereotype 32

tagged value 33

constraint 34

the approach to j2ee uml modeling 35

summary 36

chapter 4 uml and java 37

representing structure 39

class 39

variable 40

method 41

object 42

interface 43

package 44

representing relationships 45

inheritance 45

realization 45

dependency 46

association 47

aggregation 51

composition 53

reflexive relationships 55

summary 55

chapter 5 overview of activities 57

what is a software development process? 59

overview of popular approaches

to software development 59

the just-develop-it approach 59

the waterfall process 60

the iterative process 60

the rational unified process 61

the iconix process 66

the open process 66

extreme programming/feature-driven development 66

approach used inthis book 67

overview of major activities 68

chapter 6: architecture 68

chapter 7: analyzing customer needs 69

chapter 8: creating the design 69

chapters 10-15: detailed design 69

chapter 16: case study 69

summary 70

chapter 6 architecture 71

what is software architecture? 73

why architecture? 74

key concepts in enterprise application

architecture 76

decomposition 76

componems 77

frameworks 78

patterns 80

layering 84

tiers 86

approaches to software architecture 87

the j2ee view of architecture 87

the 4 + 1 view model of architecture 88

hofmeister et al.: fourviews of architecture 88

putting it alltogether 89

summary 90

chapter 7 analyzing customer needs 91

why software analysis and design? 93

problem analysis 94

use case modeling 95

identifying the actors 95

finding the use cases 96

use case diagrams 98

use case relationships 99

include 99

extend 99

sequence diagrams 101

activity diagrams 103

summary 105

chapter 8 creating the design 107

use case analysis 109

use case realizations 109

refined use case description 110

sequence diagrams 113

boundary objects 113

entity objects 113

control objects 114

collaboration diagrams 117

class diagrams 118

coalescing the analysis classes 121

packaging 121

summary 124

chapter 9 overview of j2ee technologies 125

the big picture 127

servlets 127

javaserver pages (jsp) 128

enterprise javabeans (ejb) 129

session beans 129

entity beans 129

message-driven beans 129

assembly and deployment 130

case study 130

summary 130

chapter 10 servlets 131

introduction to servlets 133

common usage 134

best served small 134

j2eeversions 135

servlet life cycle 135

life cycle methods 136

convenience method 137

required methods andtagged values 137

request handling 138

response generation 139

alternatives for response generation 140

http request handlers 141

advanced handler methods 141

quick guide to http requests 142

the requestdispatcher interface 142

modeling servlets in uml 143

modeling other servlet aspects 145

servlet forward 145

servlet include 146

servletcontext 147

servlet session management 148

servlet deployment andweb archives 149

identifying servlets in enterprise applications 150

summary 154

chapter 11 javaserver pages 155

introduction to jsp 158

typical uses of jsp 158

model 1 and model 2 architectures 159

jsp versus servlet 160

anatomy of ajsp 160

template data 161

jsp elements 161

objects accessible to ajsp implicitly 163

tag libraries 164

atag handler class 164

atag library descriptor 165

jsp and the uml 166

modeling client-side relationships 168

modeling server-side relationships 168

jsp in enterprise applications 170

summary 174

chapter 12 session beans 175

introduction to enterprise javabeans 177

ejbviews and the uml 179

representing an enterprise javabean in uml 179

cliem view 181

internal view 182

session beans 182

popular beans 183

j2eeversions 184

types of session beans and conversational state 184

modeling session bean conversational state 185

instance passivation 186

cleanup and removal 188

transactions 189

transaction demarcation 190

bean-managed transactions 191

container-managed transactions 191

the sessionsynchronization interface 191

limitations for stateless session beans 193

transaction attributes 193

modelingtransactions 194

session bean technology 194

home interface 194

remote interface 195

implementation class 196

modeling interface behavior 197

session bean life cycle 199

session bean common scenarios 201

modeling session bean relationships 201

session beans and plain java classes 201

session beans and javabeans 204

session beans and servlets 205

session bean and javaserver pages (jsp) 206

session-to-session relationships 206

session bean inheritance 207

managing performance 207

minimizing remote calls 208

the local client 208

identifying session beans in enterprise applications 209

summary 211

chapter 13 entity beans 213

introduction to entity beans 215

coarse-grained business objects 215

increasing popularity 216

j2ee versions 217

entity beanviews and the uml 217

client view 218

internal view 219

persistence 220

transactions and concurrency 221

abstract persistence 222

abstract persistence schema 222

ejb query language (ejb ql) 224

persistence manager 225

container-managed relationships 225

multiplicity 226

directionality 227

duplicating container-managed relationships

in j2ee 1.2 227

local relationships 227

entity bean technology 227

home interface 228

remote interface 229

primary key class 230

implementation class 231

persistent fields 233

entity bean life cycle 234

entity bean common scenarios 236

modeling entity bean relationships 237

entity bean and other java classes 237

entity bean and javabeans 237

the value object approach 238

entity bean, servlets, and jsps 241

entity bean and session beans 241

entity bean-to-entity bean relationships 243

identifying entity beans in enterprise applications 243

layering 245

summary 247

chapter 14 message-driven beans 249

introduction to message-driven beans 251

the java message service 251

role of jms and message-driven beans in ejb 252

why use messaging and message-driven beans? 252

when to use message-driven beans 253

j2eeversion 253

message-driven beanviews and the uml 254

client view 254

uml benefits for message-driven beans 254

modeling messages 255

modeling destinations 255

message-driven bean technology 257

transactions 257

implementation class 258

message-driven bean life cyde 258

message-driven bean common scenario 260

modeling message-driven bean relationships 261

modeling message-driven bean relationships

with other classes 261

message-driven bean and other j2eetechnologies 261

identifying message-driven beans

in enterprise applications 261

summary 262

chapter 15 assembly and deployment 265

component modeling 267

component modeling of j2eetechnologies 268

representingweb components 269

representing ejbs 270

component modeling of enterprise applications 270

deployment modeling 271

traceability revisited 274

assembly and deployment of enterprise java

applications 275

deployment descriptors 276

summary 278

chapter 16 case study 279

case study background 281

problem statement 282

rationale and assumptions 282

homedirect requirements 283

inquiry services 283

bill payment services 284

transaction services 285

administrative services 285

inception phase' 286

initial iteration 287

iteration plan 287

homedirect actors 287

homedirect use cases 288

use case diagrams 291

interaction diagrams 291

elaboration phase 294

elaboration iteration #1 294

detailed sequence diagrams 294

class diagrams 295

packaging diagram 295

component dependency diagram 296

elaboration iteration #2 296

elaboration iteration #3 299

use cases to be implemented in this iteration 302

remaining phases 306

summary 306

glossary 307

references 315

index 319