Serializable interface added AttributeMessage

redisson-tomcat/redisson-tomcat-6/src/main/java/org/redisson/tomcat/AttributeMessage.java

@@ -15,12 +15,14 @@
  */
 package org.redisson.tomcat;
 
+import java.io.Serializable;
+
 /**
  * 
  * @author Nikita Koksharov
  *
  */
-public class AttributeMessage {
+public class AttributeMessage implements Serializable {
 
     private String sessionId;
 

redisson-tomcat/redisson-tomcat-7/src/main/java/org/redisson/tomcat/AttributeMessage.java

@@ -15,12 +15,14 @@
  */
 package org.redisson.tomcat;
 
+import java.io.Serializable;
+
 /**
  * 
  * @author Nikita Koksharov
  *
  */
-public class AttributeMessage {
+public class AttributeMessage implements Serializable {
 
     private String sessionId;
 

redisson-tomcat/redisson-tomcat-8/src/main/java/org/redisson/tomcat/AttributeMessage.java

@@ -15,12 +15,14 @@
  */
 package org.redisson.tomcat;
 
+import java.io.Serializable;
+
 /**
  * 
  * @author Nikita Koksharov
  *
  */
-public class AttributeMessage {
+public class AttributeMessage implements Serializable {
 
     private String sessionId;
 

redisson-tomcat/redisson-tomcat-9/src/main/java/org/redisson/tomcat/AttributeMessage.java

@@ -15,12 +15,14 @@
  */
 package org.redisson.tomcat;
 
+import java.io.Serializable;
+
 /**
  * 
  * @author Nikita Koksharov
  *
  */
-public class AttributeMessage {
+public class AttributeMessage implements Serializable {
 
     private String sessionId;