Overview If you’re looking for a way to define and execute complex business logic in your Python application, you may be wondering if there is an equivalent to the Drools rule engine in Python. While Drools is primarily a Java-based…
What is Drools rule engine?
What is Drools rule engine? A : In earlier days, business logic was generally implemented directly in the application code.Even today, many applications are built with business logic tightly coupled with the application code. This approach of rule implementation/ business…
Steps to learn Spring Batch Service
Overview : The Spring batch services help automate processing of several jobs in batches. It is a framework that provides the APIs and services that can be reused to process one or more jobs in batches. From an enterprise viewpoint,…
When not to use Drools Guvnor?
Do not use Guvnor in the following scenarios a) If you have business rules in a database as a part of an application and no new application is needed to manage them. This is a scenario where rules exist as…
When to use Drools Guvnor?
Drools Guvnor is used if you have the following requirement a) You need to manage versions/deployment of rules.This is a scenario where you have a huge number of business rules and they need to be managed using versioning. b) You…
How to use drools decision table in spreadsheet format to execute rules?
The following example code will describe the process of using decision table to execute rules.There are two ways a) Use the spread sheet APIs directly to execute the rules. b) Convert the excel spread sheet into a drl file and…
How to convert Drools decision table (excel spread sheet) to a (.drl) file in Drools?
Let us try to create convert Drools decision table (excel spread sheet) to a (.drl) file in Drools. The SpreadsheetCompiler class is used to convert the input XLS and CSV file to a (.drl) file. The required package is “org.drools.decisiontable.SpreadsheetCompiler”.You…
What is Drools exception handling
Let us describe Drools exception handling in details. In Drools, the default exception handler is known as “Consequence Exception Handler”. It provides minimum information like the following. a) The rule b) Where the exception took place c) The cause with…
What are the architectures for drools and web application integration?
Ans : Let me describe the architectures for drools and web applications. The integration architecture can be defined in two main categories a) Drools as embedded in the web application. Drools can be implemented as an internal component in the…
What is the diffrence between jBPM and drools rule engine?
The main difference diffrence between jBPM and drools rule engine is that jBPM is a process/wrok flow engine and Drools is a rule engine.Both of them can be used together.
What is Guvnor in Drools rule engine?
Guvnor in Drools rule engine can be defined as the name of the web and network related components for managing rules with drools rule engine.Guavnor with core drools engine and other tools forms the business rule manager.Guavnor is mainly used by…
