package com.atlassian.marketplace.client.encoding;
   
   import static com.google.common.base.Preconditions.checkNotNull;
   
   /**
    * Indicates that an object returned by the server (or constructed by the caller) was invalid
    * because a required link relation was omitted.
    * @since 2.0.0
    */
  public class MissingRequiredLink extends SchemaViolation
  {
      private final String rel;
      
      public MissingRequiredLink(Class<?> schemaClass, String rel)
      {
          super(schemaClass);
          this.rel = checkNotNull(rel);
      }
      
      /**
       * The link relation string of the link that was not found.
       */
      public String getRel()
      {
          return rel;
      }
      
      @Override
      public String getMessage()
      {
          return "missing required link \"" + rel + "\" in " + getSchemaClass().getSimpleName();
      }
  }