@Override
    public boolean equals(Object obj) {
      if (this == obj) {
        return true;
      }
      if (obj instanceof ModifyableColumnFamilyDescriptor) {
        return ColumnFamilyDescriptor.COMPARATOR.compare(this,
          (ModifyableColumnFamilyDescriptor) obj) == 0;
      }
      return false;
    }
Set the setPrefetchBlocksOnOpen flag
@param value true if we should prefetch blocks into the blockcache on open
@return this (for chained invocation)
hbase-client/src/main/java/org/apache/hadoop/hbase/client/ColumnFamilyDescriptorBuilder.java