Added support for Easy Rules with Aviator integration. Aviator is widely used in China among both large enterprises and individual developers. For more details, please visit: https://github.com/killme2008/aviatorscript
xiemin04
11 months ago
parent
d445083153
commit
ef6202ca56
@ -0,0 +1,102 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>org.jeasy</groupId>
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<artifactId>easy-rules</artifactId>
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<version>4.1.1-SNAPSHOT</version>
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</parent>
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<artifactId>easy-rules-aviator</artifactId>
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<packaging>jar</packaging>
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<name>Easy Rules Aviator module</name>
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<description>Aviator integration module</description>
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<properties>
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<aviator-version>5.4.1</aviator-version>
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</properties>
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<scm>
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<url>git@github.com:j-easy/easy-rules.git</url>
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<connection>scm:git:git@github.com:j-easy/easy-rules.git</connection>
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<developerConnection>scm:git:git@github.com:j-easy/easy-rules.git</developerConnection>
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<tag>HEAD</tag>
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</scm>
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<issueManagement>
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<system>GitHub</system>
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<url>https://github.com/j-easy/easy-rules/issues</url>
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</issueManagement>
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<ciManagement>
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<system>Github Actions</system>
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<url>https://github.com/j-easy/easy-rules/actions</url>
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</ciManagement>
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<developers>
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<developer>
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<id>benas</id>
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<name>Mahmoud Ben Hassine</name>
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<url>http://benas.github.io</url>
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<email>mahmoud.benhassine@icloud.com</email>
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<roles>
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<role>Lead developer</role>
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</roles>
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</developer>
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</developers>
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<licenses>
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<license>
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<name>MIT License</name>
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<url>http://opensource.org/licenses/mit-license.php</url>
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</license>
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</licenses>
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<dependencies>
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<!-- production dependencies -->
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<dependency>
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<groupId>org.jeasy</groupId>
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<artifactId>easy-rules-support</artifactId>
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<version>${project.version}</version>
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</dependency>
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<dependency>
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<groupId>com.googlecode.aviator</groupId>
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<artifactId>aviator</artifactId>
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<version>${aviator-version}</version>
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</dependency>
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<!-- test dependencies -->
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<dependency>
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<groupId>org.slf4j</groupId>
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<artifactId>slf4j-simple</artifactId>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.assertj</groupId>
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<artifactId>assertj-core</artifactId>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>com.github.stefanbirkner</groupId>
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<artifactId>system-lambda</artifactId>
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<version>${system-lambda.version}</version>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>com.mycila</groupId>
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<artifactId>license-maven-plugin</artifactId>
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<configuration>
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<header>${project.parent.basedir}/licence-header-template.txt</header>
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</configuration>
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</plugin>
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</plugins>
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</build>
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</project>
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@ -0,0 +1,63 @@
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/*
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* The MIT License
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*
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* Copyright (c) 2021, Mahmoud Ben Hassine (mahmoud.benhassine@icloud.com)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
|
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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package org.jeasy.rules.aviator;
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import com.googlecode.aviator.Expression;
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import org.jeasy.rules.api.Action;
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import org.jeasy.rules.api.Facts;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import static org.jeasy.rules.aviator.AviatorRule.DEFAULT_AVIATOR;
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/**
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* author peterxiemin(bbcoder1987@gmail.com)
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*/
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public class AviatorAction implements Action {
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public static final Logger LOGGER = LoggerFactory.getLogger(AviatorAction.class.getName());
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private final String expression;
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private final Expression compileExpression;
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/**
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* Create a new {@link AviatorAction}.
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*
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* @param expression the action written in expression language
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*/
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public AviatorAction(String expression) {
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this.expression = expression;
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this.compileExpression = DEFAULT_AVIATOR.compile(expression);
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}
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@Override
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public void execute(Facts facts) throws Exception {
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try {
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compileExpression.execute(facts.asMap());
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} catch (Exception e) {
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LOGGER.error("Unable to evaluate expression: '" + expression + "' on facts: " + facts);
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throw e;
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}
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}
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}
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@ -0,0 +1,64 @@
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/*
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* The MIT License
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*
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* Copyright (c) 2021, Mahmoud Ben Hassine (mahmoud.benhassine@icloud.com)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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package org.jeasy.rules.aviator;
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import com.googlecode.aviator.Expression;
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import org.jeasy.rules.api.Condition;
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import org.jeasy.rules.api.Facts;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import static org.jeasy.rules.aviator.AviatorRule.DEFAULT_AVIATOR;
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/**
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* author peterxiemin(bbcoder1987@gmail.com)
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*/
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public class AviatorCondition implements Condition {
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private static final Logger LOGGER = LoggerFactory.getLogger(AviatorCondition.class.getName());
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private final String expression;
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private final Expression compileExpression;
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/**
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* Create a new {@link AviatorCondition}.
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* @param expression
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* the condition written in expression language
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*/
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public AviatorCondition(String expression) {
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this.expression = expression;
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this.compileExpression = DEFAULT_AVIATOR.compile(expression);
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}
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/**
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* Evaluate the rule.
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* @param facts known when evaluating the rule.
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* @return true if the rule should be applied, false otherwise.
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*/
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@Override
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public boolean evaluate(Facts facts) {
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return (Boolean) compileExpression.execute(facts.asMap());
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}
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}
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@ -0,0 +1,131 @@
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/*
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* The MIT License
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*
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* Copyright (c) 2021, Mahmoud Ben Hassine (mahmoud.benhassine@icloud.com)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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package org.jeasy.rules.aviator;
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import com.googlecode.aviator.AviatorEvaluator;
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import com.googlecode.aviator.AviatorEvaluatorInstance;
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import com.googlecode.aviator.runtime.JavaMethodReflectionFunctionMissing;
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import org.jeasy.rules.api.Action;
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import org.jeasy.rules.api.Condition;
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import org.jeasy.rules.api.Facts;
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import org.jeasy.rules.api.Rule;
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import org.jeasy.rules.core.BasicRule;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* author peterxiemin(bbcoder1987@gmail.com)
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*/
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public class AviatorRule extends BasicRule {
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public static final AviatorEvaluatorInstance DEFAULT_AVIATOR;
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static {
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DEFAULT_AVIATOR = AviatorEvaluator.getInstance();
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DEFAULT_AVIATOR.setFunctionMissing(JavaMethodReflectionFunctionMissing.getInstance());
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}
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private Condition condition = Condition.FALSE;
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private final List<Action> actions = new ArrayList<>();
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/**
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* Create a new Aviator rule.
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*/
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public AviatorRule() {
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super(Rule.DEFAULT_NAME, Rule.DEFAULT_DESCRIPTION, Rule.DEFAULT_PRIORITY);
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}
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/**
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* set rule name
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* @param name
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* @return this rule
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*/
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public AviatorRule name(String name) {
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this.name = name;
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return this;
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}
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/**
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* set rule description
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* @param description
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* @return this rule
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*/
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public AviatorRule description(String description) {
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this.description = description;
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return this;
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}
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/**
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* set rule priority
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* @param priority
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* @return this rule
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*/
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public AviatorRule priority(int priority) {
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this.priority = priority;
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return this;
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}
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/**
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* set rule condition
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* @param condition
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* @return this rule
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*/
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public AviatorRule when(String condition) {
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this.condition = new AviatorCondition(condition);
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return this;
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}
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/**
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* set rule action
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* @param action
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* @return this rule
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*/
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public AviatorRule then(String action) {
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actions.add(new AviatorAction(action));
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return this;
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}
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/**
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* evaluate the rule
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* @param facts
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* @return
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*/
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@Override
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public boolean evaluate(Facts facts) {
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return condition.evaluate(facts);
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}
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/**
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* execute the rule
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* @param facts
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* @throws Exception
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*/
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@Override
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public void execute(Facts facts) throws Exception {
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for (Action action : actions) {
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action.execute(facts);
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}
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}
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}
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@ -0,0 +1,106 @@
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/*
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* The MIT License
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*
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* Copyright (c) 2021, Mahmoud Ben Hassine (mahmoud.benhassine@icloud.com)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
|
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
|
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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package org.jeasy.rules.aviator;
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import org.jeasy.rules.api.Rule;
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import org.jeasy.rules.api.Rules;
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import org.jeasy.rules.support.AbstractRuleFactory;
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import org.jeasy.rules.support.RuleDefinition;
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import org.jeasy.rules.support.reader.JsonRuleDefinitionReader;
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import org.jeasy.rules.support.reader.RuleDefinitionReader;
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import org.jeasy.rules.support.reader.YamlRuleDefinitionReader;
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import java.io.Reader;
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import java.util.List;
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/**
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* author peterxiemin(bbcoder1987@gmail.com)
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*/
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public class AviatorRuleFactory extends AbstractRuleFactory {
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private final RuleDefinitionReader reader;
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/**
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* Create a new {@link AviatorRuleFactory} with a given reader.
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*
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* @param reader used to read rule definitions
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* @see YamlRuleDefinitionReader
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* @see JsonRuleDefinitionReader
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*/
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public AviatorRuleFactory(RuleDefinitionReader reader) {
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this.reader = reader;
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}
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/**
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* Create a new {@link AviatorRule} from a Reader.
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*
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* The rule descriptor should contain a single rule definition.
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* If no rule definitions are found, a {@link IllegalArgumentException} will be thrown.
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* If more than a rule is defined in the descriptor, the first rule will be returned.
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*
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* @param ruleDescriptor descriptor of rule definition
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* @return a new rule
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* @throws Exception if unable to create the rule from the descriptor
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*/
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public Rule createRule(Reader ruleDescriptor) throws Exception {
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List<RuleDefinition> ruleDefinitions = reader.read(ruleDescriptor);
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if (ruleDefinitions.isEmpty()) {
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throw new IllegalArgumentException("rule descriptor is empty");
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}
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return createRule(ruleDefinitions.get(0));
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}
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/**
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* Create a new {@link AviatorRule} from a {@link RuleDefinition}.
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*
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* @param rulesDescriptor definition of the rule
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* @return a new rule
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*/
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public Rules createRules(Reader rulesDescriptor) throws Exception {
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Rules rules = new Rules();
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List<RuleDefinition> ruleDefinitions = reader.read(rulesDescriptor);
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for (RuleDefinition ruleDefinition : ruleDefinitions) {
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rules.register(createRule(ruleDefinition));
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}
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return rules;
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}
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/**
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* Create a simple rule from a rule definition.
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* @param ruleDefinition
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* @return
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*/
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@Override
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protected Rule createSimpleRule(RuleDefinition ruleDefinition) {
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AviatorRule aviatorRule = new AviatorRule()
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.name(ruleDefinition.getName())
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.description(ruleDefinition.getDescription())
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.priority(ruleDefinition.getPriority())
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.when(ruleDefinition.getCondition());
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for (String action : ruleDefinition.getActions()) {
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aviatorRule.then(action);
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}
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return aviatorRule;
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}
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}
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@ -0,0 +1,27 @@
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/*
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* The MIT License
|
||||
*
|
||||
* Copyright (c) 2021, Mahmoud Ben Hassine (mahmoud.benhassine@icloud.com)
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
* THE SOFTWARE.
|
||||
*/
|
||||
/**
|
||||
* This package contains classes to support <a href="https://github.com/mvel/mvel">MVEL</a>.
|
||||
*/
|
||||
package org.jeasy.rules.aviator;
|
||||
@ -0,0 +1,71 @@
|
||||
/*
|
||||
* The MIT License
|
||||
*
|
||||
* Copyright (c) 2021, Mahmoud Ben Hassine (mahmoud.benhassine@icloud.com)
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
* THE SOFTWARE.
|
||||
*/
|
||||
package org.jeasy.rules.aviator;
|
||||
|
||||
import org.jeasy.rules.api.Facts;
|
||||
import org.junit.Test;
|
||||
|
||||
import static com.github.stefanbirkner.systemlambda.SystemLambda.tapSystemOutNormalized;
|
||||
import static org.assertj.core.api.Assertions.assertThat;
|
||||
import static org.assertj.core.api.AssertionsForClassTypes.assertThatThrownBy;
|
||||
|
||||
/**
|
||||
* Author peterxiemin(bbcoder1987@gmail.com)
|
||||
* Tests for {@link AviatorAction}.
|
||||
*/
|
||||
public class AviatorActionTest {
|
||||
@Test
|
||||
public void shouldExecuteExpressionSuccessfully() throws Exception {
|
||||
Person person = new Person("foo", 20);
|
||||
Facts facts = new Facts();
|
||||
facts.put("person", person);
|
||||
AviatorAction personAction = new AviatorAction("setAdult(person, true);");
|
||||
personAction.execute(facts);
|
||||
|
||||
assertThat(person.isAdult()).isTrue();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void shouldThrowExceptionWhenExpressionEvaluationFails() {
|
||||
Person person = new Person("foo", 20);
|
||||
Facts facts = new Facts();
|
||||
facts.put("person", person);
|
||||
AviatorAction aviatorAction = new AviatorAction("setBlah(person);");
|
||||
|
||||
assertThatThrownBy(() -> aviatorAction.execute(facts))
|
||||
.isInstanceOf(Exception.class)
|
||||
.hasMessageContaining("No matching method setBlah found taking 0 args for class org.jeasy.rules.aviator.Person");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void shouldExecuteExpressionWithCustomFunction() throws Exception {
|
||||
Facts facts = new Facts();
|
||||
AviatorAction aviatorAction = new AviatorAction("fn hello() { println('Hello from EasyRules&Aviator!'); }; " +
|
||||
"hello();");
|
||||
String output = tapSystemOutNormalized(
|
||||
() -> aviatorAction.execute(facts));
|
||||
aviatorAction.execute(facts);
|
||||
assertThat(output).isEqualTo("Hello from EasyRules&Aviator!\n");
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,70 @@
|
||||
/*
|
||||
* The MIT License
|
||||
*
|
||||
* Copyright (c) 2021, Mahmoud Ben Hassine (mahmoud.benhassine@icloud.com)
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
* THE SOFTWARE.
|
||||
*/
|
||||
package org.jeasy.rules.aviator;
|
||||
|
||||
import org.jeasy.rules.api.Facts;
|
||||
import org.junit.Test;
|
||||
|
||||
import static org.assertj.core.api.Assertions.assertThat;
|
||||
|
||||
public class AviatorConditionTest {
|
||||
@Test
|
||||
public void testAviatorExpressionEvaluation() {
|
||||
// given
|
||||
AviatorCondition isAdult = new AviatorCondition("person.age > 18");
|
||||
Facts facts = new Facts();
|
||||
facts.put("person", new Person("foo", 20));
|
||||
|
||||
// when
|
||||
boolean evaluationResult = isAdult.evaluate(facts);
|
||||
|
||||
// then
|
||||
assertThat(evaluationResult).isTrue();
|
||||
}
|
||||
|
||||
@Test(expected = RuntimeException.class)
|
||||
public void whenDeclaredFactIsNotPresent_thenShouldThrowRuntimeException() {
|
||||
// given
|
||||
AviatorCondition isHot = new AviatorCondition("temperature > 30");
|
||||
Facts facts = new Facts();
|
||||
|
||||
// when
|
||||
boolean evaluationResult = isHot.evaluate(facts);
|
||||
|
||||
// then
|
||||
// expected exception
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testAviatorExpressionEvaluationWithJavaUtilClass() {
|
||||
AviatorCondition aviatorCondition = new AviatorCondition("let d = new java.util.Random(123); " +
|
||||
"return nextBoolean(d)" +
|
||||
";");
|
||||
|
||||
boolean evaluationResult = aviatorCondition.evaluate(new Facts());
|
||||
|
||||
assertThat(evaluationResult).isTrue();
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1,178 @@
|
||||
/*
|
||||
* The MIT License
|
||||
*
|
||||
* Copyright (c) 2021, Mahmoud Ben Hassine (mahmoud.benhassine@icloud.com)
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
* THE SOFTWARE.
|
||||
*/
|
||||
package org.jeasy.rules.aviator;
|
||||
|
||||
import org.assertj.core.api.Assertions;
|
||||
import org.jeasy.rules.api.Rule;
|
||||
import org.jeasy.rules.api.Rules;
|
||||
import org.jeasy.rules.support.composite.UnitRuleGroup;
|
||||
import org.jeasy.rules.support.reader.JsonRuleDefinitionReader;
|
||||
import org.jeasy.rules.support.reader.YamlRuleDefinitionReader;
|
||||
import org.junit.Test;
|
||||
import org.junit.runner.RunWith;
|
||||
import org.junit.runners.Parameterized;
|
||||
|
||||
import java.io.File;
|
||||
import java.io.FileReader;
|
||||
import java.io.Reader;
|
||||
import java.io.StringReader;
|
||||
import java.nio.file.Files;
|
||||
import java.nio.file.Path;
|
||||
import java.nio.file.Paths;
|
||||
import java.util.Arrays;
|
||||
import java.util.Collection;
|
||||
import java.util.Iterator;
|
||||
|
||||
import static org.assertj.core.api.Assertions.assertThat;
|
||||
|
||||
@RunWith(Parameterized.class)
|
||||
public class AviatorRuleFactoryTest {
|
||||
@Parameterized.Parameter(0)
|
||||
public AviatorRuleFactory factory;
|
||||
@Parameterized.Parameter(1)
|
||||
public String fileExtension;
|
||||
|
||||
@Parameterized.Parameters
|
||||
public static Collection<Object[]> parameters() {
|
||||
return Arrays.asList(new Object[][]{
|
||||
{new AviatorRuleFactory(new YamlRuleDefinitionReader()), "yml"},
|
||||
{new AviatorRuleFactory(new JsonRuleDefinitionReader()), "json"},
|
||||
});
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testCreateRules() throws Exception {
|
||||
// given
|
||||
String rulesDescriptor = "src/test/resources/rules." + fileExtension;
|
||||
// when
|
||||
Rules rules = factory.createRules(new FileReader(rulesDescriptor));
|
||||
// then
|
||||
Assertions.assertThat(rules).hasSize(2);
|
||||
Iterator<Rule> iterator = rules.iterator();
|
||||
|
||||
Rule rule = iterator.next();
|
||||
Assertions.assertThat(rule).isNotNull();
|
||||
Assertions.assertThat(rule.getName()).isEqualTo("adult rule");
|
||||
Assertions.assertThat(rule.getDescription()).isEqualTo("when age is greater than 18, then mark as adult");
|
||||
Assertions.assertThat(rule.getPriority()).isEqualTo(1);
|
||||
|
||||
rule = iterator.next();
|
||||
Assertions.assertThat(rule).isNotNull();
|
||||
Assertions.assertThat(rule.getName()).isEqualTo("weather rule");
|
||||
Assertions.assertThat(rule.getDescription()).isEqualTo("when it rains, then take an umbrella");
|
||||
Assertions.assertThat(rule.getPriority()).isEqualTo(2);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testRuleCreationFromFileReader() throws Exception {
|
||||
// given
|
||||
Reader adultRuleDescriptorAsReader = new FileReader("src/test/resources/adult-rule." + fileExtension);
|
||||
|
||||
// when
|
||||
Rule adultRule = factory.createRule(adultRuleDescriptorAsReader);
|
||||
|
||||
// then
|
||||
assertThat(adultRule.getName()).isEqualTo("adult rule");
|
||||
assertThat(adultRule.getDescription()).isEqualTo("when age is greater than 18, then mark as adult");
|
||||
assertThat(adultRule.getPriority()).isEqualTo(1);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testRuleCreationFromStringReader() throws Exception {
|
||||
// given
|
||||
Path ruleDescriptor = Paths.get("src/test/resources/adult-rule." + fileExtension);
|
||||
Reader adultRuleDescriptorAsReader = new StringReader(new String(Files.readAllBytes(ruleDescriptor)));
|
||||
|
||||
// when
|
||||
Rule adultRule = factory.createRule(adultRuleDescriptorAsReader);
|
||||
|
||||
// then
|
||||
assertThat(adultRule.getName()).isEqualTo("adult rule");
|
||||
assertThat(adultRule.getDescription()).isEqualTo("when age is greater than 18, then mark as adult");
|
||||
assertThat(adultRule.getPriority()).isEqualTo(1);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testRuleCreationFromFileReader_withCompositeRules() throws Exception {
|
||||
// given
|
||||
File rulesDescriptor = new File("src/test/resources/composite-rules." + fileExtension);
|
||||
|
||||
// when
|
||||
Rules rules = factory.createRules(new FileReader(rulesDescriptor));
|
||||
|
||||
// then
|
||||
assertThat(rules).hasSize(2);
|
||||
Iterator<Rule> iterator = rules.iterator();
|
||||
|
||||
Rule rule = iterator.next();
|
||||
assertThat(rule).isNotNull();
|
||||
assertThat(rule.getName()).isEqualTo("Movie id rule");
|
||||
assertThat(rule.getDescription()).isEqualTo("description");
|
||||
assertThat(rule.getPriority()).isEqualTo(1);
|
||||
assertThat(rule).isInstanceOf(UnitRuleGroup.class);
|
||||
|
||||
rule = iterator.next();
|
||||
assertThat(rule).isNotNull();
|
||||
assertThat(rule.getName()).isEqualTo("weather rule");
|
||||
assertThat(rule.getDescription()).isEqualTo("when it rains, then take an umbrella");
|
||||
assertThat(rule.getPriority()).isEqualTo(1);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testRuleCreationFromFileReader_withInvalidCompositeRuleType() {
|
||||
// given
|
||||
File rulesDescriptor = new File("src/test/resources/composite-rule-invalid-composite-rule-type." + fileExtension);
|
||||
|
||||
// when
|
||||
Assertions.assertThatThrownBy(() -> factory.createRule(new FileReader(rulesDescriptor)))
|
||||
// then
|
||||
.isInstanceOf(IllegalArgumentException.class)
|
||||
.hasMessage("Invalid composite rule type, must be one of [UnitRuleGroup, ConditionalRuleGroup, ActivationRuleGroup]");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testRuleCreationFromFileReader_withEmptyComposingRules() {
|
||||
// given
|
||||
File rulesDescriptor = new File("src/test/resources/composite-rule-invalid-empty-composing-rules." + fileExtension);
|
||||
|
||||
// when
|
||||
Assertions.assertThatThrownBy(() -> factory.createRule(new FileReader(rulesDescriptor)))
|
||||
// then
|
||||
.isInstanceOf(IllegalArgumentException.class)
|
||||
.hasMessage("Composite rules must have composing rules specified");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testRuleCreationFromFileReader_withNonCompositeRuleDeclaresComposingRules() {
|
||||
// given
|
||||
File rulesDescriptor = new File("src/test/resources/non-composite-rule-with-composing-rules." + fileExtension);
|
||||
|
||||
// when
|
||||
Assertions.assertThatThrownBy(() -> factory.createRule(new FileReader(rulesDescriptor)))
|
||||
// then
|
||||
.isInstanceOf(IllegalArgumentException.class)
|
||||
.hasMessage("Non-composite rules cannot have composing rules");
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1,68 @@
|
||||
/*
|
||||
* The MIT License
|
||||
*
|
||||
* Copyright (c) 2021, Mahmoud Ben Hassine (mahmoud.benhassine@icloud.com)
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
* THE SOFTWARE.
|
||||
*/
|
||||
package org.jeasy.rules.aviator;
|
||||
|
||||
import org.jeasy.rules.api.Facts;
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
|
||||
import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
|
||||
|
||||
public class AviatorRuleTest {
|
||||
private Facts facts = new Facts();
|
||||
|
||||
private AviatorRule aviatorRule = new AviatorRule().name("rn").description("rd").priority(1);
|
||||
|
||||
@Before
|
||||
public void setUp() {
|
||||
aviatorRule.when("person.age > 18");
|
||||
aviatorRule.then("setAdult(person, true);");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenTheRuleIsTriggered_thenConditionShouldBeEvaluated() {
|
||||
// given
|
||||
facts.put("person", new Person("foo", 20));
|
||||
|
||||
// when
|
||||
boolean evaluationResult = aviatorRule.evaluate(facts);
|
||||
|
||||
// then
|
||||
assertThat(evaluationResult).isTrue();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenTheConditionIsTrue_thenActionsShouldBeExecuted() throws Exception {
|
||||
// given
|
||||
Person foo = new Person("foo", 20);
|
||||
facts.put("person", foo);
|
||||
|
||||
// when
|
||||
aviatorRule.execute(facts);
|
||||
|
||||
// then
|
||||
assertThat(foo.isAdult()).isTrue();
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1,60 @@
|
||||
/*
|
||||
* The MIT License
|
||||
*
|
||||
* Copyright (c) 2021, Mahmoud Ben Hassine (mahmoud.benhassine@icloud.com)
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
* THE SOFTWARE.
|
||||
*/
|
||||
package org.jeasy.rules.aviator;
|
||||
|
||||
public class Person {
|
||||
|
||||
private String name;
|
||||
private int age;
|
||||
private boolean isAdult;
|
||||
|
||||
public Person(String name, int age) {
|
||||
this.name = name;
|
||||
this.age = age;
|
||||
}
|
||||
|
||||
public String getName() {
|
||||
return name;
|
||||
}
|
||||
|
||||
public void setName(String name) {
|
||||
this.name = name;
|
||||
}
|
||||
|
||||
public int getAge() {
|
||||
return age;
|
||||
}
|
||||
|
||||
public void setAge(int age) {
|
||||
this.age = age;
|
||||
}
|
||||
|
||||
public boolean isAdult() {
|
||||
return isAdult;
|
||||
}
|
||||
|
||||
public void setAdult(boolean adult) {
|
||||
isAdult = adult;
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,11 @@
|
||||
[
|
||||
{
|
||||
"name": "adult rule",
|
||||
"description": "when age is greater than 18, then mark as adult",
|
||||
"priority": 1,
|
||||
"condition": "person.age > 18",
|
||||
"actions": [
|
||||
"setAdult(person, true);"
|
||||
]
|
||||
}
|
||||
]
|
||||
@ -0,0 +1,6 @@
|
||||
name: adult rule
|
||||
description: when age is greater than 18, then mark as adult
|
||||
priority: 1
|
||||
condition: "person.age > 18"
|
||||
actions:
|
||||
- "setAdult(person, true);"
|
||||
@ -0,0 +1,23 @@
|
||||
[
|
||||
{
|
||||
"name": "invalid rule",
|
||||
"compositeRuleType": "foo",
|
||||
"priority": 1,
|
||||
"composingRules": [
|
||||
{
|
||||
"name": "rule1",
|
||||
"condition": "true",
|
||||
"actions": [
|
||||
"p(\"\");"
|
||||
]
|
||||
},
|
||||
{
|
||||
"name": "rule2",
|
||||
"condition": "false",
|
||||
"actions": [
|
||||
"p(\"\");"
|
||||
]
|
||||
}
|
||||
]
|
||||
}
|
||||
]
|
||||
@ -0,0 +1,12 @@
|
||||
name: invalid rule
|
||||
compositeRuleType: foo
|
||||
priority: 1
|
||||
composingRules:
|
||||
- name: rule1
|
||||
condition: "true"
|
||||
actions:
|
||||
- "p(\"\");"
|
||||
- name: rule2
|
||||
condition: "false"
|
||||
actions:
|
||||
- "p(\"\");"
|
||||
@ -0,0 +1,8 @@
|
||||
[
|
||||
{
|
||||
"name": "invalid rule",
|
||||
"compositeRuleType": "UnitRuleGroup",
|
||||
"priority": 1,
|
||||
"composingRules": []
|
||||
}
|
||||
]
|
||||
@ -0,0 +1,4 @@
|
||||
name: invalid rule
|
||||
compositeRuleType: UnitRuleGroup
|
||||
priority: 1
|
||||
composingRules:
|
||||
@ -0,0 +1,36 @@
|
||||
[
|
||||
{
|
||||
"name": "Movie id rule",
|
||||
"compositeRuleType": "UnitRuleGroup",
|
||||
"priority": 1,
|
||||
"composingRules": [
|
||||
{
|
||||
"name": "Time is evening",
|
||||
"description": "If it's later than 7pm",
|
||||
"priority": 1,
|
||||
"condition": "day.hour > 19",
|
||||
"actions": [
|
||||
"shouldProvideId(person, true);"
|
||||
]
|
||||
},
|
||||
{
|
||||
"name": "Movie is rated R",
|
||||
"description": "If the movie is rated R",
|
||||
"priority": 1,
|
||||
"condition": "movie.rating == R",
|
||||
"actions": [
|
||||
"shouldProvideId(person, true);"
|
||||
]
|
||||
}
|
||||
]
|
||||
},
|
||||
{
|
||||
"name": "weather rule",
|
||||
"description": "when it rains, then take an umbrella",
|
||||
"priority": 1,
|
||||
"condition": "rain == True",
|
||||
"actions": [
|
||||
"p(\"It rains, take an umbrella!\");"
|
||||
]
|
||||
}
|
||||
]
|
||||
@ -0,0 +1,23 @@
|
||||
name: Movie id rule
|
||||
compositeRuleType: UnitRuleGroup
|
||||
priority: 1
|
||||
composingRules:
|
||||
- name: Time is evening
|
||||
description: If it's later than 7pm
|
||||
priority: 1
|
||||
condition: "day.hour > 19"
|
||||
actions:
|
||||
- "shouldProvideId(person, true);"
|
||||
- name: Movie is rated R
|
||||
description: If the movie is rated R
|
||||
priority: 1
|
||||
condition: "movie.rating == R"
|
||||
actions:
|
||||
- "shouldProvideId(person, true);"
|
||||
---
|
||||
name: weather rule
|
||||
description: when it rains, then take an umbrella
|
||||
priority: 1
|
||||
condition: "rain == True"
|
||||
actions:
|
||||
- "p(\"It rains, take an umbrella!\");"
|
||||
@ -0,0 +1,30 @@
|
||||
[
|
||||
{
|
||||
"name": "Movie id rule",
|
||||
"priority": 1,
|
||||
"condition": "true",
|
||||
"actions": [
|
||||
"p(\"\");"
|
||||
],
|
||||
"composingRules": [
|
||||
{
|
||||
"name": "Time is evening",
|
||||
"description": "If it's later than 7pm",
|
||||
"priority": 1,
|
||||
"condition": "day.hour > 19",
|
||||
"actions": [
|
||||
"shouldProvideId(person, true);"
|
||||
]
|
||||
},
|
||||
{
|
||||
"name": "Movie is rated R",
|
||||
"description": "If the movie is rated R",
|
||||
"priority": 1,
|
||||
"condition": "movie.rating == R",
|
||||
"actions": [
|
||||
"shouldProvideId(person, true);"
|
||||
]
|
||||
}
|
||||
]
|
||||
}
|
||||
]
|
||||
@ -0,0 +1,18 @@
|
||||
name: Movie id rule
|
||||
priority: 1
|
||||
condition: "true"
|
||||
actions:
|
||||
- "p(\"\");"
|
||||
composingRules:
|
||||
- name: Time is evening
|
||||
description: If it's later than 7pm
|
||||
priority: 1
|
||||
condition: "day.hour > 19"
|
||||
actions:
|
||||
- "shouldProvideId(person, true);"
|
||||
- name: Movie is rated R
|
||||
description: If the movie is rated R
|
||||
priority: 1
|
||||
condition: "movie.rating == R"
|
||||
actions:
|
||||
- "shouldProvideId(person, true);"
|
||||
@ -0,0 +1,20 @@
|
||||
[
|
||||
{
|
||||
"name": "adult rule",
|
||||
"description": "when age is greater than 18, then mark as adult",
|
||||
"priority": 1,
|
||||
"condition": "person.age > 18",
|
||||
"actions": [
|
||||
"setAdult(person, true);"
|
||||
]
|
||||
},
|
||||
{
|
||||
"name": "weather rule",
|
||||
"description": "when it rains, then take an umbrella",
|
||||
"priority": 2,
|
||||
"condition": "rain == true",
|
||||
"actions": [
|
||||
"p(\"It rains, take an umbrella!\");"
|
||||
]
|
||||
}
|
||||
]
|
||||
@ -0,0 +1,14 @@
|
||||
---
|
||||
name: adult rule
|
||||
description: when age is greater than 18, then mark as adult
|
||||
priority: 1
|
||||
condition: "person.age > 18"
|
||||
actions:
|
||||
- "setAdult(person, true);"
|
||||
---
|
||||
name: weather rule
|
||||
description: when it rains, then take an umbrella
|
||||
priority: 2
|
||||
condition: "rain == true"
|
||||
actions:
|
||||
- "p(\"It rains, take an umbrella!\");"
|
||||
Loading…
Reference in New Issue