@Override
    public String toString() {
      Procedure<?> p = this.activeProcedure.get();
      return getName() + "(pid=" + (p == null ? NO_PROC_ID : p.getProcId() + ")");
    }
Add a Procedure to executor.

@param procedure procedure
@return procedure id
iotdb-core/confignode/src/main/java/org/apache/iotdb/confignode/procedure/ProcedureExecutor.java