protected final OperationReadType getReadType() {
    return readType;
  }
Match the status line provided against one of the given OperationStatus
objects. If none match, return a failure status with the given line.

@param line the current line
@param statii several status objects
@return the appropriate status object
src/main/java/net/spy/memcached/protocol/ascii/OperationImpl.java