Link Service Stack to Application

/*
Name: Link Service Stack to Application
Table: Service Stack Application [u_service_stack_application]
When: after
Insert: true
Update: true
 */
createRelationship();//check for relationship and create one if none found

function createRelationship() {
   var site = new GlideRecord(current.u_search_table);
   site.addQuery(current.u_search_field, current.u_search_text);
   site.addQuery(current.u_conditions);
   site.query();
   while(site.next()) {
      var rel1 = new GlideRecord('cmdb_rel_ci');//check for existing relationships
      rel1.addQuery('child.sys_id', site.sys_id);
      rel1.addQuery('parent.sys_id', current.u_service_stack.sys_id);
      rel1.query();
      if(!rel1.next()) {
         gs.addInfoMessage('Creating Relationship for ' + current.u_search_text);
         var newRel = new GlideRecord('cmdb_rel_ci');//create relationship with specified type
         newRel.initalize();
         newRel.parent = current.u_service_stack.sys_id;
         newRel.child = site.sys_id;
         newRel.type = current.u_relationship_type;
         newRel.insert();
         //if Service Stack Application specifies parent field, create additional relationship
         if(!current.u_parent_ci_field.nil()){
            var rel2 = new GlideRecord('cmdb_rel_ci');//check for existing relationships
            rel2.addQuery('child.sys_id', eval('site.' + current.u_parent_ci_field).sys_id);
            rel2.addQuery('parent.sys_id', site.sys_id);
            rel2.query();
            if(!rel2.next()) {
               var newParentRel = new GlideRecord('cmdb_rel_ci');//create relationship with specified type
               newParentRel.initalize();
               newParentRel.parent = site.sys_id;
               newParentRel.child = eval('site.' + current.u_parent_ci_field).sys_id;
               newParentRel.type = current.u_relationship_type;
               newParentRel.insert();
            }
         }
      }
   }
}