code: private void onSetCaching(CfDef cfDef, Properties cfProperties, StringBuilder builder)
      {
          String caching = cfProperties.getProperty(CassandraConstants.CACHING);
          if (caching != null)
          {
              if (builder != null)
              {
                  appendPropertyToBuilder(builder, caching, CassandraConstants.CACHING);
              }
              else
              {
                  cfDef.setCaching(caching);
              }
          }
      }
docs: On set caching.
  
  @param cfDef
  the cf def
  @param cfProperties
  the cf properties
  @param builder
  the builder