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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 (3636 Threads) Rating Replies Last Message Child Forum

building Drools non-networked by Reid Kaufmann
0
by Reid Kaufmann

Is "or" allowed in a rule? Can I link the rules? by Yu Wang-8
2
by Yu Wang-8

How to avoid circular rule activation for non circular problems? by Ralph Ammon
2
by Ralph Ammon

generic properties by thomaskukofka
2
by thomaskukofka

Drools 4 poor performance scaling? by Ron Kneusel
12
by raj_drools

java.util.NoSuchElementException in buildAsset by Sergio Stateri Jr
0
by Sergio Stateri Jr

problems with desicion tables by Vanina Beraudo
1
by Barry K

problems with decition tables by Vanina Beraudo
1
by Vanina Beraudo

generic properties by thomaskukofka
1
by Vanina Beraudo

How to check for a variable number of "conditions" in a rule? by Ron Kneusel
3
by Edson Tirelli-3

InvalidClassException: When creating RuleAgent by Felbecker, Tobias
1
by Felbecker, Tobias

What is the Maximum (rule)complexity in Drools by raj_drools
0
by raj_drools

How to invoke particular ruleflow multiple rule flows from from stateless session by raj_drools
1
by Anstis, Michael (M.)

how to import rules from a drl to another drl file by raj_drools
1
by Mark Proctor

RuleFlow Spanning Multiple Packages by Carlsen, Len
2
by Carlsen, Len

Clarification of using collections as facts by AllenABQ
2
by AllenABQ

[Drools 4.0.7] JBRMS package dependencies and RuleAgent by Jones, Alan R
0
by Jones, Alan R

Drools Stateful Session Thread Safe by ricky.nfs
0
by ricky.nfs

How to download "Drools 4.0.7 Eclipse Europa 3.3 Workbench" source code? by Yoni Mazar
1
by Mark Proctor

Using from by Aziz Boxwala
3
by Aziz Boxwala

Rule Parameters/Aliases by Yoni Mazar
4
by Mark Proctor

Package merging by Mark Proctor
0
by Mark Proctor

Rule exception by Delaunay Gaetan
0
by Delaunay Gaetan

Mvel compilation error by John S
2
by Godmar Back

Alternate approaches of using OR operator (to avoid sub-rule generation) by jaikiran pai
0
by jaikiran pai

variable 'or' constraints with a DSL by Reid Kaufmann
4
by Reid Kaufmann

Design Question (hashCode/equals/fact maintenance) by Fenderbosch, Eric
1
by Fenderbosch, Eric

Guvnor is now using GWT 1.5 by Michael Neale
2
by Mark Proctor

Map using from constraint by Paul Ryan-7
2
by Paul Ryan-7

Drools in multithreaded env by Jin-7
2
by Vikas Phonsa-2

Need Help by harun.shaik
3
by Mark Proctor

SVN URL changes by Michael Neale
0
by Michael Neale

SVN URL changes by Michael Neale
0
by Michael Neale

Function call in LHS by BINET JEAN-BAPTISTE
5
by Costello, Robert

Debugging Drools Eclipse Plugin by Yoni Mazar
0
by Yoni Mazar
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