drools cep

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Create the simplest HelloWorld business rule

1. Start the Jboss server and open the http: // 127.0.0.1: 8080/drools-guvnor page to enter the Guvnor System2. create a New Rule: In the left-side Navigation Pane, select KnowledgeBase-> Create New-> New Rule. In the displayed dialog box, enter the service Rule name HelloWorldRule, and select either of the initialization directories, select DRL Rule (technical rule-text editor) as the type, and select default package as the package, as shown in: 3.

Reading XML, reflection, and calling object Methods

data, and return the write results. Other business processes also call methods of the same business, but the purpose and order may be different. In this way, I am OK. However, if the operation sequence changes, we need to change the "Process" layer, change the code and recompile it. These situations occur frequently and change frequently in some business logic. In the financial accounting module previously written, the accounting rules need to be constantly changed as the organizational structu

Summary and comparison of open-source enterprise service bus ESB

Bitmap bitmap Open Source ESB summary table   Mule ESB Apache ServiceMix Open ESB Apache SYNAPSE JBoss ESB Wso2 Openadaptor Product Description and positioning Lightweight message framework and integration platform; EIP-based implementation; Core Component UMO for integration logic; supports more than 20 transmission protocols (such as file, FTP, UDP, SMTP, Pop, HTTP, soap, and JMS ). It also integrates many

What is groovy?

class files and reused in Java code. Similarly, content written in standard Java code can be reused in groovy. Therefore, you can easily use groovy to write unit tests for Java code. In addition, if you use groovy to write a convenient tool, you can also use this tool in Java programs. Groovy is an open source Scripting Language Implemented in Java and is closely related to it. it requires JDK 1.4. groovy adds many Ruby and Python scripting features to Java. groovy features include dynamic typi

Very selfish and will not express your own views

yourself, at that time, my current company basically did not involve these things, that is, some libraries (such as JS libraries) 3. java basic knowledge, I/O, reflection, XML/jaxb, and other algorithms to implement some logic. As long as a programmer knows, the difficulty lies in the multithreading mechanism, NiO, for specific scenarios, you can write some frameworks (such as) and design some XML files, XSD, and so on. 5. For SSH, extjs, flex, and blazds, we all know that the difficulty lies i

No route to host error when two Docker containers are interconnected

app doesn't come up, and then look under the startup log:Tail Logs/catalina.outHint at the beginning of this error, No route to host.This problem, estimates can be resolved by modifying the Hosts file, but I do not have this to do, there are friends who want to go to try, finally considering that there will be a large-scale deployment of the need, this is changed to link connection, such as:--link Mysql_name:tomysqlYou only need to change the original JDBC connection toJdbc:mysql://tomysql:330

Redis Application Scenarios

/rules need to be combined with drools). Take sorted set the last day of user action record (why not all records?). Save memory, all operations will be logged to log, the subsequent use of Hadoop for more comprehensive analysis of statistics), by ZRANGEBYSCORE user:200000:operation:comment 61307510405600 +inf Obtaining 1 minutes of Operation Records, Redis> Zadd user:200000:operation:comment 61307510402300 "This is a comment"//score for timestamp (int

Redis scenarios are required for PHP projects

pagewviews.user:60//Note to update timeout Anti-spam system Spam Control for application reviews, publishing products, forum posts As an e-commerce site by a variety of spam attacks is less unavoidable (spam reviews, spam, advertising, brush home products rankings, etc.) Develop a series of anti-spam rules for these spam, some of which can be used for real-time analysis using Redis For example: 1-minute reviews must not exceed 2 times, 5-minute reviews less than 5 times (more mechanisms/rules n

Rete Algorithm Learning

on,left-of and Color . The yellow Alpha memory contains three sets, each of which is a Meet C1 : {W1 W2 W4 W8} Meet C2:{W5 W7} Meet C3:{w2 W6 W9} with p1 c1 c2 dummyinput betamomory w1^w5,w2^w7 ). Then take this set and c3 for input, operation derived w1^w5^w9 At this point, no more patterns are found to match, reaching terminal node, match end. This gives the collection of rules that satisfy the rule. Through these theories and an example should be cleared for the ret

2015-8-11 work Log

setvarible, or encapsulate it, and the Lemonoa is packaged. -------------------------------------- In the Lemonoa of the Process Management module code, roughly over and over, the general experience of it. First, according to this idea, if the function is not to go directly activiti, you can divide the code into: extension code and calling code. Secondly, according to the module division, can be divided into: (1) Modeler, Modeler module. (2) Personal task module, which is equivalent to the fron

Process Tasks-manual/Receive/Mail tasks

The Send Task/receive task/manual task and Business rule task tasks are supported in BPMN. The Send task is primarily an email task and a mule task, while the business rule task is primarily the drools rule engine of JBoss.1. Manual tasks and receiving tasksManual tasks are tasks that do not require any program or process engine to be driven automatically. When the process arrives at the task, it simply records the process history data and automatical

25 Eclipse plugins that make Java programmers more efficient

specialty of perforce management system. It provides a series of developer-oriented features and supports many agile open process and traditional development processes.Framework Development PluginSpring Tool SuiteSpring Tool Suite provides development environments and tools such as XML file previews and a graphical spring configuration editor that makes development easier.Spring IDEThe Spring IDE helps you develop the spring app, which provides a graphical editing interface. It can also graphic

JBoss Tools and Developer Studio Beta 3 released

consuming less memory. We recommend that you use a 32-bit JDK for 64-bit Windows. JBoss Tools must support at least Eclipse 3.7.1. We recommend that you use Eclipse 3.7.2 JEE Bundle to install some dependent plug-ins. If you have installed Eclipse, see Eclipse Marketplace under "JBoss Tools (Indigo)" to install it directly. Installation address: http://download.jboss.org/jbosstools/updates/development/indigo/ Note that some SOA Tools, such as Drools,

The practical application of Redis in e-commerce-java

of memcached (item list, comment list, @ hint list, etc)compared to memcached simple key-value storage, Redis's numerous data structures (list,set,sorted Set,hash, etc) make it easier to cache various business data, as well as memcached performance. 4. Anti-spam system (comments, release items, forum posts, etc)As an e-commerce site by a variety of spam attacks is less unavoidable (spam reviews, release junk goods, ads, brush their own product rankings, etc.), for these spam to develop a series

Linux shell Scripting--rendering data (v)

without deleting the fileCode 5-18  Create a local temporary file, point can be added without adding at least 3 x at the end and only X (must be capitalized)Code 5-19[Email protected]:/data# mktemp test. Xxxtest.otx[email protected]:/data# mktemp Test. Xxxxxtest.gydv4[email protected]:/data# ls-ltotal 0-rw-------1 root root 0 Dec 5 05:29 test.gydv4-rw-------1 root R Oot 0 Dec 5 05:29 test.otx  Using Mktemp in ScriptsCode 5-20[Email protected]:/data# cat Demo6 #!/bin/bashtempfile= ' mktemp tes

Java Programmer 25 Essential Eclipse plugins

diagrams that can help you adjust the structure of your code.Text Editor ClassesAnyedit Tools (http://andrei.gmxhome.de/anyedit/)Features to enhance the context menu of the editorEclimIntegrating Vim in eclipseEclipse-rbeResource File EditorDependency Management ClassesApache IvydeIntegrated Ivy.M2eclipse (Maven Plugin)Integrated mavenVersion Control classes SubclipseIntegrated SVNEGitIntegrated gitMercurialeclipseintegrated VCSP4eclipseIntegrated PerforceFramework classSpring Tool SuiteSpring

Eclipse-eclipse Utility Plug-in collection

Plug-ins to improve code quality1. FindBugsFindBugs can help you find bugs in the Java code and give solution hints.2. CheckstyleThe Checkstyle plug-in can be integrated into the Eclipse IDE to ensure that Java code conforms to the standard code style.3. PMDPMD is a code analyzer used to detect variables and poorly written code.Dependency Management1. m2e-androidM2e-android integrates ADT, maven-android, and M2eclipse for Android application development.2. M2eclipseM2eclipse can start Maven in e

Gavin King on the impact of JSR-299 and Weld 1.0 on Java EE and JBoss __java

technologies can be used in the form of plug-ins for platform implementation, which is neat and efficient, and is very simple for developers to use, just like devices on the platform. As you can see from the next edition of Seam (seam 3), seam 3 will be CDI as its core engine and use CDI service Provider interface to provide many of the features not covered in CDI, such as BPM integration, drools integration, PDF and Email template support as well as

Several open source frameworks mainly involved in Java EE development

-commons Utils. Collections,beanutils,configuration and so on should be grouped into JDK's utils. 7. Xfire-web Service. A new generation of Web service frameworks, combined with spring, export Pojo as service, and simplify binding are all well done, is a pragmatic flavor of the program. Apache's Axis2 still doesn't match it with ease of use. 8. Acegi-security, RBAC Ana ACL. A security framework that relies on spring's rapid popularity has been built on security, but there are still a lot of

Java 8 Practical PDF

: Network Disk DownloadContent Introduction······This book provides a comprehensive overview of the new features of the milestone version of Java 8, including lambdas, streaming, and functional programming. With functional programming features, you can make your code more concise, and you can automate the use of multicore hardware. The book is divided into four parts: basic knowledge, functional data processing, high-efficiency Java 8 programming and beyond Java 8, clearly to the reader to show

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