ing

pom.xml

@@ -13,7 +13,7 @@
     <groupId>com.loafle.overflow</groupId>
     <artifactId>commons-java</artifactId>
     <packaging>jar</packaging>
-    <version>1.0.39-SNAPSHOT</version>
+    <version>1.0.40-SNAPSHOT</version>
     <name>com.loafle.overflow.commons-java</name>
 
     <properties>

src/main/java/com/loafle/overflow/model/meta/MetaIPType.java

@@ -55,4 +55,41 @@ public class MetaIPType {
   public void setCreateDate(Date createDate) {
     this.createDate = createDate;
   }
+
+  public static enum Enum {
+    V4((short) 1), V6((short) 2),;
+
+    private final Short value;
+
+    /**
+     * @param value
+     */
+    Enum(final Short value) {
+      this.value = value;
+    }
+
+    public MetaIPType to() {
+      return new MetaIPType(this.value);
+    }
+
+    public Enum from(MetaIPType metaIPType) {
+      switch (metaIPType.id) {
+      case 2:
+        return V6;
+
+      default:
+        return V4;
+      }
+    }
+
+    public Enum from(String metaIPTypeKey) {
+      switch (metaIPTypeKey) {
+      case "V6":
+        return V6;
+
+      default:
+        return V4;
+      }
+    }
+  }
 }

src/main/java/com/loafle/overflow/model/meta/MetaTargetServiceType.java

@@ -1,8 +1,5 @@
 package com.loafle.overflow.model.meta;
 
-import java.util.HashMap;
-import java.util.Map;
-
 import javax.persistence.*;
 
 /**