BPMN2.0标准规范详解

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"BPMN2.0标准规范是Business Process Model and Notation（业务流程建模与表示法）的第二个主要版本，由Object Management Group（OMG）发布，其文档编号为formal/2011-01-03。这个标准提供了一种图形化语言，用于建模企业的业务流程，它被广泛应用于流程设计、分析、实施和优化。BPMN2.0旨在促进业务流程的可视化和理解，以便不同背景的人员（包括业务分析师、开发人员和最终用户）能够有效地沟通流程逻辑。 BPMN2.0标准包括一系列相关的文件，如BPMN20.cmof、BPMNDI.cmof、DC.cmof和DI.cmof等，这些文件定义了模型的元数据结构。同时，XSD文件（如BPMN20.xsd、BPMNDI.xsd、DC.xsd和DI.xsd）提供了XML Schema定义，确保了数据的一致性和有效性。此外，XSLT文件（BPMN20-FromXMI.xslt和BPMN20-ToXMI.xslt）则用于在XMI（eXtensible Metadata Interchange）格式和XML之间转换BPMN模型，便于模型的存储和交换。该标准的发布日期为2011年1月，涉及多家公司，包括Axway、BizAgi、BruceSilver Associates、IDSScheer、IBM、MEGA International、ModelDriven Solutions、OMG、Oracle、SAP AG、Software AG、TIBCO Software和Unisys，体现了业界对这一规范的广泛支持和贡献。 BPMN2.0引入了许多改进，如增强的事件处理、更灵活的流程结构、新的网关类型、数据对象的改进以及与执行平台的更强集成。其中，事件是BPMN中的核心概念，包括开始事件、结束事件、边界事件和中间事件等，它们可以用来表示流程中的各种触发条件。网关则是控制流程分支和合并的关键元素，如并行网关和平行多实例网关等，它们可以根据预设条件或无条件地分配和合并流程路径。 BPMN2.0还引入了数据对象和数据流的概念，允许模型包含数据处理和传递的细节，从而更好地模拟实际业务流程。此外，为了支持模型的执行，BPMN2.0增加了对执行语义的支持，使得模型可以直接被业务流程引擎理解和执行。 BPMN2.0标准是企业级业务流程建模的标准工具，它的丰富符号集、明确的语义定义以及与执行平台的兼容性，使其成为业务流程管理领域不可或缺的一部分。通过学习和应用BPMN2.0，企业和组织可以更高效地设计、改进和自动化他们的业务流程，从而提升运营效率和决策质量。"

x Business Process Model and Notation, v2.0

Figure 10.62 - InputSet class diagram 219

Figure 10.63 - OutputSet class diagram 220

Figure 10.64 - DataAssociation class diagram 222

Figure 10.65 - A Data Association 222

Figure 10.66 - A Data Association used for an Outputs and Inputs into an Activities 222

Figure 10.67 - A Data Object shown as an output and an inputs 224

Figure 10.68 - A Data Object associated with a Sequence Flow 225

Figure 10.69 - The Event Class Diagram 234

Figure 10.70 - Start Event 238

Figure 10.71 - End Event 246

Figure 10.72 - Intermediate Event 250

Figure 10.73 - EventDefinition Class Diagram 262

Figure 10.74 - Cancel Events 263

Figure 10.75 - Compensation Events 263

Figure 10.76 - CompensationEventDefinition Class Diagram 264

Figure 10.77 - Conditional Events 265

Figure 10.78 - ConditionalEventDefinition Class Diagram 265

Figure 10.79 - Error Events 265

Figure 10.80 - ErrorEventDefinition Class Diagram 266

Figure 10.81 - Escalation Events 266

Figure 10.82 - EscalationEventDefinition Class Diagram 267

Figure 10.83 - Link Events 267

Figure 10.84 - Link Events Used as Off-Page Connector 268

Figure 10.85 - A Process with a long Sequence Flow 269

Figure 10.86 - A Process with Link Intermediate Events used as Go To Objects 269

Figure 10.87 - Link Events Used for looping 270

Figure 10.88 - Message Events 270

Figure 10.89 - MessageEventDefinition Class Diagram 271

Figure 10.90 - Multiple Events 272

Figure 10.91 - None Events 272

Figure 10.92 - Multiple Events 273

Figure 10.93 - SignalEventDefinition Class Diagram 273

Figure 10.94 - Signal Events 273

Figure 10.95 - Terminate Event 274

Figure 10.96 - Timer Events 274

Figure 10.97 - Exclusive start of a Process 275

Figure 10.98 - A Process initiated by an Event-Based Gateway 276

Figure 10.99 - Event synchronization at Process start 276

Figure 10.100 - Example of inline Event Handling via Event Sub-Processes 278

Figure 10.101 - Example of boundary Event Handling 279

Figure 10.102 - A Gateway 287

Figure 10.103 - The Different types of Gateways 288

Figure 10.104 - Gateway class diagram 289

Figure 10.105 - An Exclusive Data-Based Decision (Gateway) Example without the Internal Indicator 290

Figure 10.106 - A Data-Based Exclusive Decision (Gateway) Example with the Internal Indicator 291

Figure 10.107 - Exclusive Gateway class diagram 291

Figure 10.108 - An example using an Inclusive Gateway 292

Business Process Model and Notation, v2.0 xi

Figure 10.109 - Inclusive Gateway class diagram 293

Figure 10.110 - An example using an Parallel Gateway 294

Figure 10.111 - An example of a synchronizing Parallel Gateway 294

Figure 10.112 - Parallel Gateway class diagram 295

Figure 10.113 - An example using a Complex Gateway 295

Figure 10.114 - Complex Gateway class diagram 296

Figure 10.115 – Event-Based Gateway 297

Figure 10.116 - An Event-Based Gateway example using Message Intermediate Events 298

Figure 10.117 - An Event-Based Gateway example using Receive Tasks 298

Figure 10.118 - Exclusive Event-Based Gateway to start a Process 299

Figure 10.119 - Parallel Event-Based Gateway to start a Process 299

Figure 10.120 - Event-Based Gateway class diagram 300

Figure 10.121- Compensation through a boundary Event 303

Figure 10.122 - Monitoring Class Diagram 304

Figure 10.123 - Two Lanes in a Vertical Pool 306

Figure 10.124 - Two Lanes in a horizontal Pool 306

Figure 10.125 - An Example of Nested Lanes 307

Figure 10.126 - The Lane class diagram 308

Figure 10.127 - One Process supporting to another 310

Figure 10.128 - Auditing Class Diagram 311

Figure 10.129 - Monitoring Class Diagram 312

Figure 11.1 - The Choreography metamodel 316

Figure 11.2 - An example of a Choreography 317

Figure 11.3 - A Collaboration diagram logistics example 318

Figure 11.4 - The corresponding Choreography diagram logistics example 319

Figure 11.5 - The use of Sequence Flows in a Choreography 320

Figure 11.6 - The metamodel segment for a Choreography Activity 322

Figure 11.7 - A Collaboration view of Choreography Task elements 323

Figure 11.8 - A Choreography Task 323

Figure 11.9 - A Collaboration view of a Choreography Task 324

Figure 11.10 - A two-way Choreography Task 324

Figure 11.11 - A Collaboration view of a two-way Choreography Task 325

Figure 11.12 - Choreography Task Markers 326

Figure 11.13 - The Collaboration view of a looping Choreography Task 326

Figure 11.14 - The Collaboration view of a Parallel Multi-Instance Choreography Task 327

Figure 11.15 - A Choreography Task with a multiple Participant 327

Figure 11.16 - A Collaboration view of a Choreography Task with a multiple Participant 328

Figure 11.17- A Sub-Choreography 329

Figure 11.18 - A Collaboration view of a Sub-Choreography 329

Figure 11.19 - An expanded Sub-Choreography 330

Figure 11.20 - A Collaboration view of an expanded Sub-Choreography 330

Figure 11.21 - Sub-Choreography (Collapsed) with More than Two Participants 331

Figure 11.22 - Sub-Choreography Markers 332

Figure 11.23 - Sub-Choreography Markers with a multi-instance Participant 332

Figure 11.24 - A Call Choreography calling a Global Choreography Task 333

Figure 11.25 - A Call Choreography calling a Choreography (Collapsed) 333

Figure 11.26 - A Call Choreography calling a Choreography (expanded) 334

xii Business Process Model and Notation, v2.0

Figure 11.27- The Call Choreography class diagram 334

Figure 11.28 - A valid sequence of Choreography Activities 336

Figure 11.29 - The corresponding Collaboration for a valid Choreography sequence 337

Figure 11.30 - A valid sequence of Choreography Activities with a two-way Activity 337

Figure 11.31 - The corresponding Collaboration for a valid Choreography sequence with a two-way Activity 338

Figure 11.32 - An invalid sequence of Choreography Activities 338

Figure 11.33 - The corresponding Collaboration for an invalid Choreography sequence 339

Figure 11.34 - An example of the Exclusive Gateway 346

Figure 11.35 - The relationship of Choreography Activity Participants across the sides of the Exclusive Gateway

shown through a Collaboration 347

Figure 11.36 - Different Receiving Choreography Activity Participants on the output sides of the Exclusive Gateway

348

Figure 11.37 - The corresponding Collaboration view of the above Choreography Exclusive Gateway configuration

349

Figure 11.38 - An example of an Event Gateway 350

Figure 11.39 - The corresponding Collaboration view of the above Choreography Event Gateway configuration 351

Figure 11.40 - An example of a Choreography Inclusive Gateway configuration 353

Figure 11.41 - The corresponding Collaboration view of the above Choreography Inclusive Gateway configuration

354

Figure 11.42 - An example of a Choreography Inclusive Gateway configuration 355

Figure 11.43 - The corresponding Collaboration view of the above Choreography Inclusive Gateway configuration

356

Figure 11.44 - Another example of a Choreography Inclusive Gateway configuration 357

Figure 11.45 - The corresponding Collaboration view of the above Choreography Inclusive Gateway configuration

358

Figure 11.46 - The relationship of Choreography Activity Participants across the sides of the Parallel Gateway 359

Figure 11.47 - The corresponding Collaboration view of the above Choreography Parallel Gateway configuration

360

Figure 11.48 - An example of a Choreography Complex Gateway configuration 361

Figure 11.49 - The corresponding Collaboration view of the above Choreography Complex Gateway configuration

362

Figure 11.50 - An example of a Choreography Process combined with Black Box Pools 363

Figure 11.51 - An example of a Choreography Process combined with Pools that contain Processes 364

Figure 12.1 - BPMN Diagram 369

Figure 12.2 - BPMN Plane 369

Figure 12.3 - BPMN Shape 369

Figure 12.4 - BPMN Edge 370

Figure 12.5 - BPMN Label 370

Figure 12.6 - Depicting a Label for a DataObjectReference with its state 381

Figure 12.7 - Combined Compensation and Loop Characteristic Marker Example 384

Figure 12.8 - Expanded Sub-Process Example 413

Figure 12.9 - Start and End Events on the Border Example 414

Figure 12.10 - Collapsed Sub-Process 416

Figure 12.11 - Contents of Collapsed Sub-Process 416

Figure 12.12 - Nested Lanes Example 418

Figure 12.13 - Vertical Collaboration Example 419

Figure 12.14 - Conversation Example 420

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