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......................................................................................................................................... v
1. Welcome ...................................................................................................................... 1
2. Installation and Setup (Core and IDE) ......................................................................... 3
2.1. Installing and using ............................................................................................. 3
2.1.1. Dependencies and jars ............................................................................. 3
2.1.2. Use with Maven, Gradle, Ivy, Buildr or ANT ............................................... 4
2.1.3. Runtime ................................................................................................... 5
2.1.4. Installing IDE (Rule Workbench) ............................................................... 5
2.2. Building from source ......................................................................................... 13
2.2.1. Getting the sources ................................................................................ 13
2.2.2. Building the sources ............................................................................... 13
2.3. Eclipse ............................................................................................................. 14
2.3.1. Importing Eclipse Projects ....................................................................... 14
3. Getting Involved ........................................................................................................ 21
3.1. Sign up to jboss.org .......................................................................................... 21
3.2. Sign the Contributor Agreement ......................................................................... 21
3.3. Submitting issues via JIRA ................................................................................ 22
3.4. Fork Github ...................................................................................................... 23
3.5. Writing Tests .................................................................................................... 23
3.6. Commit with Correct Conventions ...................................................................... 25
3.7. Submit Pull Requests ........................................................................................ 26
4. Drools Release Notes ................................................................................................ 29
4.1. What is New and Noteworthy in Drools 6.0.0 ...................................................... 29
4.1.1. Drools Expert ......................................................................................... 29
4.1.2. Guvnor .................................................................................................. 29
4.1.3. Drools Workbench .................................................................................. 29
4.1.4. OptaPlanner (AKA Drools Planner) .......................................................... 56
4.1.5. Dashboard Builder .................................................................................. 59
4.2. What is New and Noteworthy in Drools 5.5.0 ...................................................... 60
4.2.1. Drools Expert ......................................................................................... 60
4.2.2. Guvnor .................................................................................................. 64
4.2.3. Planner .................................................................................................. 70
4.2.4. Drools Integration ................................................................................... 74
4.3. What is New and Noteworthy in Drools 5.4.0 ...................................................... 75
4.3.1. Drools Expert ......................................................................................... 75
4.3.2. Drools Fusion ........................................................................................ 89
4.3.3. Guvnor .................................................................................................. 91
4.3.4. Planner ................................................................................................ 115
4.3.5. Eclipse plugin ....................................................................................... 120
4.4. What is New and Noteworthy in Drools 5.3.0 .................................................... 120
4.4.1. Drools Expert ....................................................................................... 120
4.4.2. Guvnor ................................................................................................ 124
4.4.3. Drools Planner ..................................................................................... 136
4.4.4. Drools Integration ................................................................................. 138
Drools Introduction and Gener...
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4.5. What is New and Noteworthy in Drools 5.2.0 .................................................... 139
4.5.1. Knowledge API (renamed from Drools API) ............................................ 139
4.5.2. Drools Expert and Fusion ..................................................................... 139
4.5.3. Drools and jBPM integration .................................................................. 146
4.5.4. Merging Drools Flow into jBPM5 ........................................................... 147
4.5.5. Guvnor ................................................................................................ 147
4.5.6. Eclipse ................................................................................................. 158
4.5.7. Maven artifactId changes ...................................................................... 158
4.6. What is New and Noteworthy in Drools 5.1.0 .................................................... 159
4.6.1. Drools API ........................................................................................... 159
4.6.2. Core .................................................................................................... 160
4.6.3. Expert .................................................................................................. 166
4.6.4. Flow .................................................................................................... 169
4.6.5. Guvnor ................................................................................................ 170
4.6.6. Eclipse ................................................................................................. 184
4.6.7. Known Issues ...................................................................................... 185
4.7. What is New and Noteworthy in Drools 5.0.0 .................................................... 185
4.7.1. Drools API ........................................................................................... 185
4.7.2. Drools Guvnor ...................................................................................... 188
4.7.3. Drools Expert ....................................................................................... 193
4.7.4. Drools Flow .......................................................................................... 201
4.7.5. Drools Fusion ....................................................................................... 209
4.7.6. Eclipse IDE .......................................................................................... 212
4.8. What is new in Drools 4.0 ............................................................................... 213
4.8.1. Language Expressiveness Enhancements ............................................. 214
4.8.2. Core Engine Enhancements .................................................................. 214
4.8.3. IDE Enhancements ............................................................................... 215
4.8.4. Business Rules Management System - BRMS ....................................... 215
4.8.5. Miscellaneous Enhancements ............................................................... 215
4.9. Upgrade tips from Drools 3.0.x to Drools 4.0.x .................................................. 215
4.9.1. API changes ........................................................................................ 215
4.9.2. Rule Language Changes ...................................................................... 216
4.9.3. Drools Update Tool .............................................................................. 217
4.9.4. DSL Grammars in Drools 4.0 ................................................................ 218
4.9.5. Rule flow Update for 4.0.2 .................................................................... 218
5. Drools compatibility matrix ...................................................................................... 221
