implement feature #29 : add @SpringRule meta annotation

easyrules-samples/src/main/java/org/easyrules/samples/spring/AnotherDummyRule.java

@@ -0,0 +1,19 @@
+package org.easyrules.samples.spring;
+
+import org.easyrules.annotation.Action;
+import org.easyrules.annotation.Condition;
+import org.easyrules.spring.SpringRule;
+
+@SpringRule
+public class AnotherDummyRule {
+
+    @Condition
+    public boolean when() {
+        return true;
+    }
+
+    @Action
+    public void then(){
+        System.out.println("Hey, I'm annotated with @SpringRule");
+    }
+}

easyrules-samples/src/main/java/org/easyrules/samples/spring/Launcher.java

@@ -38,6 +38,8 @@ public class Launcher {
     public static void main(String[] args) throws Exception {
         ApplicationContext context = new ClassPathXmlApplicationContext("org/easyrules/samples/spring/application-context.xml");
         RulesEngine rulesEngine = (RulesEngine) context.getBean("rulesEngine");
+        AnotherDummyRule rule = context.getBean(AnotherDummyRule.class);
+        rulesEngine.registerRule(rule);
 
         rulesEngine.fireRules();
     }

easyrules-samples/src/main/resources/org/easyrules/samples/spring/application-context.xml

@@ -1,8 +1,12 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <beans xmlns="http://www.springframework.org/schema/beans"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-       xsi:schemaLocation="http://www.springframework.org/schema/beans
-       http://www.springframework.org/schema/beans/spring-beans.xsd">
+       xmlns:context="http://www.springframework.org/schema/context"
+       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
+       http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
+
+    <context:annotation-config/>
+    <context:component-scan base-package="org.easyrules.samples.spring"/>
 
     <!-- configure rule  -->
     <bean id="rule" class="org.easyrules.samples.spring.DummyRule" scope="prototype"/>
@@ -16,4 +20,4 @@
         </property>
     </bean>
 
-</beans>
+</beans>

easyrules-spring/pom.xml

@@ -59,6 +59,11 @@
             <artifactId>spring-beans</artifactId>
             <version>${spring.version}</version>
         </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-context</artifactId>
+            <version>${spring.version}</version>
+        </dependency>
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>

easyrules-spring/src/main/java/org/easyrules/spring/SpringRule.java

@@ -0,0 +1,29 @@
+package org.easyrules.spring;
+
+import org.easyrules.annotation.Rule;
+import org.springframework.context.annotation.Scope;
+import org.springframework.stereotype.Component;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Annotation that turns a POJO into:
+ *
+ * <ul>
+ *     <li>an Easy Rules rule</li>
+ *     <li>a Spring prototype-scoped bean</li>
+ * </ul>
+ *
+ * @author Mahmoud Ben Hassine (mahmoud.benhassine@icloud.com)
+ */
+
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.TYPE)
+@Rule
+@Component
+@Scope("prototype")
+public @interface SpringRule {
+}