public void setPrincipalName(String principalName) {
    this.principalName = principalName;
  }
Sets the principal name for this KerberosPrincipalEntity

@param principalName a String indicating this KerberosPrincipalEntity's principal name
ambari-server/src/main/java/org/apache/ambari/server/orm/entities/KerberosPrincipalEntity.java