[ISSUE dromara#509] JreEnum lessThan and greaterThan method

Author: KamToHung

common/src/main/java/org/dromara/dynamictp/common/em/JreEnum.java

@@ -23,6 +23,7 @@
 
 /**
  * JRE version
+ *
  * @author kamtohung
  */
 @Slf4j
@@ -97,4 +98,24 @@ private static JreEnum getJre() {
         return JAVA_8;
     }
 
+    /**
+     * 判断当前版本是否大于某个版本
+     *
+     * @param targetVersion 目标版本
+     * @return 是否大于
+     */
+    public boolean greaterThan(JreEnum targetVersion) {
+        return this.ordinal() > targetVersion.ordinal();
+    }
+
+    /**
+     * 判断当前版本是否小于某个版本
+     *
+     * @param targetVersion 目标版本
+     * @return 是否小于
+     */
+    public boolean lessThan(JreEnum targetVersion) {
+        return this.ordinal() < targetVersion.ordinal();
+    }
+
 }

test/test-common/src/test/java/org/dromara/dynamictp/test/common/em/JreEnumTest.java

@@ -42,4 +42,16 @@ void testJRE11() {
         Assertions.assertEquals(JreEnum.JAVA_11, JreEnum.currentVersion());
     }
 
+    @Test
+    @EnabledOnJre(value = JRE.JAVA_11)
+    void testJRE11GreaterThan() {
+        Assertions.assertTrue(JreEnum.JAVA_11.greaterThan(JreEnum.JAVA_8));
+    }
+
+    @Test
+    @EnabledOnJre(value = JRE.JAVA_8)
+    void testJRE8LessThan() {
+        Assertions.assertTrue(JreEnum.JAVA_8.lessThan(JreEnum.JAVA_11));
+    }
+
 }