jBPM User Guide
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4.3. RuntimeManager ............................................................................................... 41
4.4. Control parameters ........................................................................................... 43
5. Core Engine: Basics .................................................................................................. 47
5.1. Creating a process ............................................................................................ 47
5.1.1. Using the graphical BPMN2 Editor .......................................................... 47
5.1.2. Defining processes using XML ................................................................ 48
5.1.3. Defining Processes Using the Process API .............................................. 50
5.2. Details of different process constructs: Overview ................................................ 51
5.3. Details: Process properties ................................................................................ 54
5.4. Details: Events .................................................................................................. 55
5.4.1. Start event ............................................................................................. 56
5.4.2. End events ............................................................................................ 57
5.4.3. Intermediate events ................................................................................ 59
5.5. Details: Activities ............................................................................................... 62
5.5.1. Script task ............................................................................................. 62
5.5.2. Service task ........................................................................................... 63
5.5.3. User task ............................................................................................... 64
5.5.4. Reusable sub-process ............................................................................ 66
5.5.5. Business rule task .................................................................................. 67
5.5.6. Embedded sub-process .......................................................................... 68
5.5.7. Multi-instance sub-process ...................................................................... 69
5.6. Details: Gateways ............................................................................................. 70
5.6.1. Diverging gateway .................................................................................. 70
5.6.2. Converging gateway ............................................................................... 72
5.7. Using a process in your application .................................................................... 73
5.8. Other features .................................................................................................. 74
5.8.1. Data ...................................................................................................... 74
5.8.2. Constraints ............................................................................................ 76
5.8.3. Action scripts ......................................................................................... 77
5.8.4. Events ................................................................................................... 79
5.8.5. Timers ................................................................................................... 80
5.8.6. Updating processes ................................................................................ 81
5.8.7. Multi-threading ....................................................................................... 83
6. Core Engine: BPMN 2.0 ............................................................................................. 87
6.1. Business Process Model and Notation (BPMN) 2.0 specification .......................... 87
6.2. Supported elements / attributes ......................................................................... 92
6.3. Examples ......................................................................................................... 98
7. Core Engine: Persistence and transactions ............................................................... 99
7.1. Runtime State ................................................................................................... 99
7.1.1. Binary Persistence ................................................................................ 100
7.1.2. Safe Points .......................................................................................... 103
7.1.3. Configuring Persistence ........................................................................ 104
7.1.4. Transactions ........................................................................................ 109
7.1.5. Persistence and concurrency ................................................................ 111
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7.2. Process Definitions ......................................................................................... 112
7.3. History Log ..................................................................................................... 112
7.3.1. The jBPM Audit data model .................................................................. 112
7.3.2. Storing Process Events in a Database ................................................... 115
7.3.3. Storing Process Events in a JMS queue for further processing ................. 117
8. Core Engine: Examples ........................................................................................... 119
8.1. jBPM Examples .............................................................................................. 119
8.2. Examples ........................................................................................................ 119
8.3. Unit tests ........................................................................................................ 120
