public Integer getCountAtOrAbove ( final long version ) { if ( versionsStored < versionWindow . length ) { return null ; } int count = 0 ; for ( int versionIdx = 0 ; versionIdx < versionWindow . length ; versionIdx ++ ) { if ( versionWindow [ versionIdx ] >= version ) { count ++ ; } } return count ; }
Get the count of blocks at or above the given version within the window .