diff --git a/src/main/java/com/loafle/overflow/model/meta/MetaCrawler.java b/src/main/java/com/loafle/overflow/model/meta/MetaCrawler.java
index 9e8554f..9542343 100644
--- a/src/main/java/com/loafle/overflow/model/meta/MetaCrawler.java
+++ b/src/main/java/com/loafle/overflow/model/meta/MetaCrawler.java
@@ -61,5 +61,4 @@ public class MetaCrawler {
   public void setCreateDate(Date createDate) {
     this.createDate = createDate;
   }
-
 }
diff --git a/src/main/java/com/loafle/overflow/model/meta/MetaCrawlerEnum.java b/src/main/java/com/loafle/overflow/model/meta/MetaCrawlerEnum.java
deleted file mode 100644
index 7001eb1..0000000
--- a/src/main/java/com/loafle/overflow/model/meta/MetaCrawlerEnum.java
+++ /dev/null
@@ -1,52 +0,0 @@
-package com.loafle.overflow.model.meta;
-
-/**
- * Created by snoop on 17. 9. 8.
- */
-public enum MetaCrawlerEnum {
-
-  UNKNOWN((short) 1),
-  ACTIVEDIRECTORY((short) 2),
-  CASSANDRA((short) 3),
-  DHCP((short) 4),
-  DNS((short) 5),
-  FTP((short) 6),
-  HTTP((short) 7),
-  IMAP((short) 8),
-  LDAP((short) 9),
-  MONGODB((short) 10),
-  MSSQL((short) 11),
-  MYSQL((short) 12),
-  NETBIOS((short) 13),
-  ORACLE((short) 14),
-  POP((short) 15),
-  POSTGRESQL((short) 16),
-  REDIS((short) 17),
-  JMX((short) 18),
-  SMB((short) 19),
-  SMTP((short) 20),
-  SNMPV2((short) 21),
-  SNMPV3((short) 22),
-  SSH((short) 23),
-  TELNET((short) 24),
-  WMI((short) 25);
-
-  private Short value;
-
-  private MetaCrawlerEnum(Short value) {
-    this.value = value;
-  }
-
-  public Short getValue() {
-    return this.value;
-  }
-
-  public boolean equals(MetaCrawlerEnum metaCrawlerEnum) {
-    return this.value.equals(metaCrawlerEnum.value);
-  }
-
-  public boolean equals(MetaCrawler metaCrawler) {
-    return this.value.equals(metaCrawler.getId());
-  }
-
-}
diff --git a/src/main/java/com/loafle/overflow/model/meta/MetaTargetHostType.java b/src/main/java/com/loafle/overflow/model/meta/MetaTargetHostType.java
index 225b6fb..99b7cfe 100644
--- a/src/main/java/com/loafle/overflow/model/meta/MetaTargetHostType.java
+++ b/src/main/java/com/loafle/overflow/model/meta/MetaTargetHostType.java
@@ -1,5 +1,8 @@
 package com.loafle.overflow.model.meta;
 
+import java.util.HashMap;
+import java.util.Map;
+
 import javax.persistence.*;
 
 /**
@@ -9,4 +12,24 @@ import javax.persistence.*;
 @Table(name = "META_TARGET_HOST_TYPE", schema = "public")
 @DiscriminatorValue("2")
 public class MetaTargetHostType extends MetaTargetType {
+  private static Map<String, Integer> mapping;
+
+  public MetaTargetHostType(Integer id) {
+    this.setId(id);
+  }
+
+  static {
+    Map<String, Integer> mapping = new HashMap<>();
+
+
+    MetaTargetHostType.mapping.putAll(mapping);
+  }
+
+  public static MetaTargetHostType toMetaTargetHostType(String key) {
+    Integer id = MetaTargetHostType.mapping.get(key);
+    if (null == id) {
+      return null;
+    }
+    return new MetaTargetHostType(id);
+  }
 }
diff --git a/src/main/java/com/loafle/overflow/model/meta/MetaTargetServiceType.java b/src/main/java/com/loafle/overflow/model/meta/MetaTargetServiceType.java
index aa9e98a..64f0ddf 100644
--- a/src/main/java/com/loafle/overflow/model/meta/MetaTargetServiceType.java
+++ b/src/main/java/com/loafle/overflow/model/meta/MetaTargetServiceType.java
@@ -1,5 +1,8 @@
 package com.loafle.overflow.model.meta;
 
+import java.util.HashMap;
+import java.util.Map;
+
 import javax.persistence.*;
 
 /**
@@ -9,5 +12,78 @@ import javax.persistence.*;
 @Table(name = "META_TARGET_SERVICE_TYPE", schema = "public")
 @DiscriminatorValue("3")
 public class MetaTargetServiceType extends MetaTargetType {
+  private static Map<String, Integer> mapping;
 
+  public MetaTargetServiceType(Integer id) {
+    this.setId(id);
+  }
+
+  static {
+    Map<String, Integer> mapping = new HashMap<>();
+    mapping.put("UNKNOWN", 1000);
+    mapping.put("ACTIVE_DIRECTORY", 1001);
+    mapping.put("APACHE_HTTPD", 1002);
+    mapping.put("CASSANDRA", 1003);
+    mapping.put("COUCHBASE", 1004);
+    mapping.put("COUCHDB", 1005);
+    mapping.put("DB2", 1006);
+    mapping.put("DHCP", 1007);
+    mapping.put("DNS", 1008);
+    mapping.put("EXCHANGE_SERVER", 1009);
+    mapping.put("EXIM", 1010);
+    mapping.put("FIREBIRD", 1011);
+    mapping.put("FTP", 1012);
+    mapping.put("GLASSFISH", 1013);
+    mapping.put("HTTP", 1014);
+    mapping.put("HTTPS", 1015);
+    mapping.put("IMAP", 1016);
+    mapping.put("INFLUXDB", 1017);
+    mapping.put("INGRES", 1018);
+    mapping.put("JBOSS", 1019);
+    mapping.put("JMX", 1020);
+    mapping.put("LDAP", 1021);
+    mapping.put("LIGHTTPD", 1022);
+    mapping.put("MARIADB", 1023);
+    mapping.put("MEMCACHED", 1024);
+    mapping.put("IIS", 1025);
+    mapping.put("SQL_SERVER", 1026);
+    mapping.put("MONGODB", 1027);
+    mapping.put("MYSQL", 1028);
+    mapping.put("NETBIOS", 1029);
+    mapping.put("NGINX", 1030);
+    mapping.put("NNTP", 1031);
+    mapping.put("ORACLE", 1032);
+    mapping.put("POP", 1033);
+    mapping.put("POSTFIX", 1034);
+    mapping.put("POSTGRESQL", 1035);
+    mapping.put("REDIS", 1036);
+    mapping.put("REDIS_SENTINEL", 1037);
+    mapping.put("SENDMAIL", 1038);
+    mapping.put("SMB", 1039);
+    mapping.put("SMTP", 1040);
+    mapping.put("SNMP", 1041);
+    mapping.put("SNMP_V2", 1042);
+    mapping.put("SNMP_V3", 1043);
+    mapping.put("SQLITE", 1044);
+    mapping.put("SQUID_CACHE", 1045);
+    mapping.put("SQUID_PROXY", 1046);
+    mapping.put("SSH", 1047);
+    mapping.put("SYBASE", 1048);
+    mapping.put("TELNET", 1049);
+    mapping.put("TOMCAT", 1050);
+    mapping.put("VARNISH", 1051);
+    mapping.put("WEBSPHERE", 1052);
+    mapping.put("WMI", 1053);
+    mapping.put("ZIMBRA", 1054);
+
+    MetaTargetServiceType.mapping.putAll(mapping);
+  }
+
+  public static MetaTargetServiceType toMetaTargetServiceType(String key) {
+    Integer id = MetaTargetServiceType.mapping.get(key);
+    if (null == id) {
+      return null;
+    }
+    return new MetaTargetServiceType(id);
+  }
 }
diff --git a/src/main/java/com/loafle/overflow/model/meta/MetaTargetType.java b/src/main/java/com/loafle/overflow/model/meta/MetaTargetType.java
index e36980a..7c3a785 100644
--- a/src/main/java/com/loafle/overflow/model/meta/MetaTargetType.java
+++ b/src/main/java/com/loafle/overflow/model/meta/MetaTargetType.java
@@ -12,7 +12,7 @@ import java.util.Date;
 @Inheritance(strategy = InheritanceType.JOINED)
 @DiscriminatorColumn(name = "META_INFRA_TYPE_ID", discriminatorType = DiscriminatorType.INTEGER)
 public abstract class MetaTargetType {
-  private Long id;
+  private Integer id;
   private MetaInfraType metaInfraType;
   private String key;
   private String name;
@@ -20,11 +20,11 @@ public abstract class MetaTargetType {
   private Date createDate;
 
   @Id
-  public Long getId() {
+  public Integer getId() {
     return id;
   }
 
-  public void setId(Long id) {
+  public void setId(Integer id) {
     this.id = id;
   }