@Override
  public boolean equals(Object obj) {
    if (!(obj instanceof NotifyRegionMigrationProcedure)) {
      return false;
    }
    NotifyRegionMigrationProcedure procedure = (NotifyRegionMigrationProcedure) obj;
    return this.regionId.equals(procedure.regionId) && this.isStart == procedure.isStart;
  }
A procedure that notifies all DNs of the ongoing region migration procedure.
iotdb-core/confignode/src/main/java/org/apache/iotdb/confignode/procedure/impl/region/NotifyRegionMigrationProcedure.java