public T getOperationParams() {
    return operationParams;
  }
Execute operation specification. It stores the type of the operation and its parameters.
The following operations are supported
<ul>
  <li>Rollback</li>
  <li>EXPIRE_SNAPSHOT</li>
</ul>
@param <T> Value object class to store the operation specific parameters
ql/src/java/org/apache/hadoop/hive/ql/parse/AlterTableExecuteSpec.java