public static String getMetadataSegmentName(int containerId) {
        Preconditions.checkArgument(containerId >= 0, "containerId must be a non-negative number.");
        return String.format(METADATA_SEGMENT_NAME_FORMAT, containerId);
    }
public static String getMetadataSegmentName ( int containerId ) { Preconditions . checkArgument ( containerId >= 0 , "containerId must be a non-negative number." ) ; return String . format ( METADATA_SEGMENT_NAME_FORMAT , containerId ) ; }
Gets the name of the Segment that is used to store the Container's Segment Metadata. There is one such Segment
per container.

@param containerId The Id of the Container.
@return The Metadata Segment name.