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Drools - Java Rules Engine
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Drools - Java Rules Engine

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Drools is a Rules Engine implementation based on Charles Forgy's Rete algorithm tailored for the Java language. Adapting Rete to an object-oriented interface allows for more natural expression of business rules with regards to business objects. Drools is written in Java, but able to run on Java and .Net.

Drools is designed to allow pluggeable language implementations. Currently rules can be written in Java, Python and Groovy. More importantly, Drools provides for Declarative Programming and is flexible enough to match the semantics of your problem domain with Domain Specific Languages (DSL) via XML using a Schema defined for your problem domain. DSLs consist of XML elements and attributes that represent the problem domain.
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Thread (5575 Threads) Rating Replies Last Message Child Forum

MVEL and Maps by Leonardo Gomes-2
6
by Leonardo Gomes-2

rule help by SzA84
2
by Wolfgang Laun-2

some pointers for solution by Wishing Carebear
4
by Wishing Carebear

Maintaining DB/Working Memory Synchronization by Daniel Miller-9
8
by Andrew Waterman

Fwd: Build package 'default' Guvnor by Eugenio Abello
1
by satjo

Help needed - Problems with forall operator by Tom.E.Murphy
4
by Tom.E.Murphy

Suppressing reciprocal matches by D Brock
3
by D Brock

[droolsflow] Multiple Instances by Anderson vasconcelos
11
by Kris Verlaenen

Design Question by Daniel Miller-9
0
by Daniel Miller-9

config options for Guvnor by Michael Neale
1
by Nicolas Héron

Generate PNG from .rf file by gairey
1
by Kris Verlaenen

Delivery reports about your e-mail by Mail Delivery Subsys...
0
by Mail Delivery Subsys...

Java interfaces and Buvnor jar model by Libor Nenadál
0
by Libor Nenadál

Drool JPA Support - Class Cast Exception by Sachint
0
by Sachint

Implementation of Rule Flow by Dylan Rafael Rex DSo...
0
by Dylan Rafael Rex DSo...

Droolsflow web console 5.1.M1 - Non human task by satjo
7
by Kris Verlaenen

Which alternativ would be faster in returning result? by Brody bach
0
by Brody bach

Mvel and multithreading problem. by Grigoriev, Grigoriy
0
by Grigoriev, Grigoriy

Test for Empty String? by Jason Davidson-2
1
by Wolfgang Laun-2

Hierarchical rules and rules selection by D Brock
1
by Wolfgang Laun-2

Delivery reports about your e-mail by Mail Delivery Subsys...
0
by Mail Delivery Subsys...

drools runtime exception by satyasri.ch
0
by satyasri.ch

Execution time for drools5.0 against large data size by ABRA2
4
by ABRA2

Deadlock in the Drools core - Drools 5.0 - any suggestions for resolution? by Edward Archibald
8
by Greg Barton

How to Construct Syntax for this rule by ken.p
0
by ken.p

DRLParser not parsing collections by Ken Archer
0
by Ken Archer

Is Drools fusion right for that? (or how can I do it with Drools fusion) by dawg
0
by dawg

Class loader problem by Hemanth kumar
5
by Swapnil Raverkar

Plugging custom TimerService by Maciek Prochniak
7
by Michal Bali-2

Ant build script and XLS Decision Tables failing by Adam Rinehart
0
by Adam Rinehart

Strange MVEL error by Malay Shah
1
by Edson Tirelli-4

generate jar with type declarations? by strug
0
by strug

Synchronization requirements on newStatelessKnowledgeSession()? by ljnelson
1
by Greg Barton

ProcessInstanceInfo.processInstanceId null with MySQL / Tomcat by Barry K
0
by Barry K

Drools Flow Persistence issue by premkumar
1
by Barry K
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