java rule engine api

Java Regular Expression: does not contain a rule string, java rule stringOverview For log analysis, you often need to deal with thousands of log entries. To find data in a specific mode in a large amount of data, you often need to write many complex regular expressions. For example, if a log file does not contain entri

The rule engine is applicable to complex and variable rules, such as product full reduction, bonus points, and attendance rules. 1. Introduce Maven dependency 　　 2. drools can be executed in two ways. The first is based on the kmodule. xml and DRL configuration files, and the second is the dynamic read Rule. Kmodule-based 1) create a fact. The fact in drools is

Ilog jrules Today, we have compared these three representative Rule Engine rule languages. Among them, ilog is a commercial product and has no chance to practice it. Author: Jiangnan Baiyi1. The same if-then sentence and Rete Engine All three will solve the chaotic if --- else --- elseif ---- else mystery,Split it into

Introduction: Using the Rules engine can reduce the maintenance and scalability costs of applications by reducing the complexity of components that implement complex business logic. This updated article shows how to use the open source Drools rule engine to make Java™ applications more adaptable to change. The Drools p

Today begins the ODM Starter Series II, in this series I will talk about the installation of rule execution services, the packaging of rule sets, and how to publish post-deployment rule sets as Web services for use by other services or applications.First, let's look at a picture:This is the one I drew. The relationship between the various components of ODM, in wh

DroolsJBoss rules is an open-source business rule engine that is easy to access enterprise policies, easy to adjust, and easy to manage. It complies with industry standards and is fast and efficient. Business analysts or reviewers can use it to easily view business rules, so as to check whether the encoded rules have executed the required business rules. The predecessor of JBoss rules is a codehaus open-so

The Golden Rule of API DesignMichael FeathersAPi DESiGN is TOUGH, particularly in the LARGE. If you are designing a API that's going to has hundreds or thousands of users, you had to think on how do you might ch Ange it in the future and whether your changes might break client code. Beyond that, and you had to think about the how users of the your

In the phase II increment of the GSP project of the Working Group, we need to enhance the criterion judgment capability and efficiency of the workflow. Recently, I am looking at the Rules Engine, mainly to study rete Algorithm. There are very few Chinese materials in this area, so you can only chew on English. The first is cis587: the Rete algorithm. I really don't know much about it. I can only find other materials. Fortunately, I finally got some r

. 2. What is Google App Engine? Google App EngineIs an online application platform provided by Google that supports Python and Java. Simply put, a program written in Python/Java is directly run on the Google App Engine, and the Google App Engine provides network space and ba

a fully or partially matched object requires memory, it provides the characteristics of speed and scalability. When all the conditions of a rule are fulfilled, this is the endFull match. Only part of the condition is satisfied, which is a partial match. (I think the engine has its own memory in each node to store the objects that meet that node's condition, which causes if an object is an exact match, that

nothing to match, and the second group matches the entire string. Look back and analyze the regular expression. In fact, when the regular engine resolves to zone A, it has started to perform the forward-looking work in area B. This time it is found that when the A zone is null, the match succeeds ——. * Originally allowed to match the null character, the forward-looking conditions are satisfied, the a area is followed by a "2009" string, rather than r

Java Tour (ix)--object class, Equals,tostring,getclass, inner class access rule, static inner class, Inner class principle, anonymous inner class Every day by some trivial harassment, learning to continue I. Object class What is Object? We can look through the Java API documentation to see his in

CollationThrough Google, Baidu, We are hard to find documentation on the skia engine, skia's official Wiki (http://code.google.com/p/skia) also has only a few words to briefly introduce skcanvas,I analyzed the source code and checked the JNI interface's encapsulation of the skia engine. I summarized and translated some of the following texts, if you want to draw native images on the Android platform, you ca

the report Engine API-a simple program data set. The EJB program data source prepares the data using the Method init (), obtains the JavaBean to the EJB, and saves the data to ArrayList.Ii. Steps of implementation2.1 Defining the program data sourceDefine the Datamodeldemo class code as follows:Packagecom.fr.data;importjavax.naming.*;importjavax.ejb.*;importjava.rmi.*;import java.util.*;importcom.fr.data.a

We've talked a couple of data sources before, so let's talk about it today. EJB data source, this section of our data source is finished. data connections do not require direct access to the database, but instead use EJBS as data sources. Fr uses EJB's related classes to define the program dataset to get to the EJB data source, and then the two-dimensional table inside us is used as a report data source for presentation. For example, get the template that is made to the EJB data as follows.First

execution of the rule.// do not update the fact object like this in the process of comparisonView CodeIn addition, the status of the fact object should not be changed every time it is called, in addition to being updated in working memory.// don't do this .View CodeStandard Java operator Precedence is also applicable, see the following list of operator precedence levels. All operators have standard

Introduction: This paper introduces the Java Rule Engine and its API (JSR-94) and related implementation in detail, describes its architecture and API application, and points out the relationship between Java Rules

on.Belonging to Sence Graph APIs are: Jmonkey Engine (JME), Java3d, and so on.JME is a high-performance 3D graphics API with LWJGL as the underlying support. Subsequent versions of it will support JOGL. JME and Java 3D have similar scene structures, and developers must organize their own scenes in a tree-like manner. JME has a good optimization mechanism, which

rules as a complete word, thus the word "unique" reads "Y|ou ..." instead of "u|n." ...”。Conclusion: This article provides an easy-to-run speech engine that you can use in your own Java 1.3 application. If you analyze the code carefully, it also provides you with a practical tutorial for playing audio fragments with the Javasound API. To make it really useful, y

PortalCocoseditor Official website: http://cocoseditor.com/Engine Tools Download and configuration: Installation configuration for the Cocos2d-java game engine and related development toolsObjectiveThe cross-platform Cocos2d-java game engine and the matching CocosEditor2.0 g