public Scan setReadType(ReadType readType) {
    this.readType = readType;
    return this;
  }
Set the read type for this scan.
<p>
Notice that we may choose to use pread even if you specific {@link ReadType#STREAM} here. For
example, we will always use pread if this is a get scan.
hbase-client/src/main/java/org/apache/hadoop/hbase/client/Scan.java