@Override
  protected boolean isYieldAfterExecutionStep(final TEnvironment env) {
    return isYieldBeforeExecuteFromState(env, getCurrentState());
  }
Used by the default implementation of abort() to know if the current state can be aborted and
rollback can be triggered.
hbase-procedure/src/main/java/org/apache/hadoop/hbase/procedure2/StateMachineProcedure.java