@Override
  public EventMessage checkValid() {
    if (getTable() == null)
      throw new IllegalStateException("Table name unset.");
    return super.checkValid();
  }
Getter for the name of the table being dropped.
@return Table-name (String).
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/messaging/DropTableMessage.java