Enterprise JavaBeans 2.1

maintenance, 10

Mandatory, 304

MapMessage, 238

message, 28, 33, 231

acknowledge, 255

body, 237

consumer, 260

envelopes, 438

header, 237

properties, 237

selector, 256, 257

service, 231, 233

message-driven bean, 28, 231

application logic, 265

classes, 263

client, 260, 268

context, 266

example, 268

identity management, 265

instance, 261

interfaces, 263

life cycle, 261

state management, 264

transaction, 266

message-oriented

middleware, 233

message-oriented middleware (MOM), 29, 432

MessageDrivenBean, 263

MessageDrivenContext, 266

MessageListener, 247, 250

metadata, 61

middle layer, see architecture

MOM, 233

multicast, 50

multiple-user capability, 3

multithreading, 3, 242