@RequiresSession
  public BlueprintEntity findByName(String blueprint_name) {
    return entityManagerProvider.get().find(BlueprintEntity.class, blueprint_name);
  }
Find a blueprint with a given name.

@param blueprint_name name of blueprint to find

@return  a matching blueprint or null
ambari-server/src/main/java/org/apache/ambari/server/orm/dao/BlueprintDAO.java