Package vcf

Class BasicGT

  • All Implemented Interfaces:
    GT

    public final class BasicGT
    extends java.lang.Object
    implements GT

    Class BasicGT represents genotypes for a list of markers and samples.

    Instances of class BasicGT are immutable

    • Constructor Summary

      Constructors 
      Constructor Description
      BasicGT​(GTRec[] recs)
      Constructs a BasicGT instance from the specified data
      BasicGT​(Markers markers, Samples samples, GTRec[] recs)
      Constructs a BasicGT instance from the specified data.
      BasicGT​(Samples samples, GTRec[] recs)
      Constructs a BasicGT instance from the specified data
    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      int allele​(int marker, int hap)
      Returns the allele on the specified haplotype for the specified marker or return -1 if the allele is missing.
      int allele1​(int marker, int sample)
      Returns the first allele for the specified marker and sample or return -1 if the allele is missing.
      int allele2​(int marker, int sample)
      Returns the second allele for the specified marker and sample or return -1 if the allele is missing.
      static int genotype​(int a1, int a2)
      Returns the genotype index corresponding to the specified unordered alleles.
      boolean isPhased()
      Returns true if the genotype for each marker and sample has non-missing alleles and is either haploid or diploid with a phased allele separator, and returns false otherwise.
      boolean isReversed()
      Returns true if the markers are ordered by decreasing chromosome base position, and returns false otherwise.
      Marker marker​(int markerIndex)
      Returns the specified marker.
      Markers markers()
      Returns the list of markers in order of increasing chromosome position.
      int nHaps()
      Returns the number of haplotypes.
      int nMarkers()
      Returns the number of markers.
      int nSamples()
      Returns the number of samples.
      BasicGT restrict​(int start, int end)
      Returns a new GT instance restricted to genotype data for the specified markers.
      static BasicGT restrict​(BasicGT gt, int[] indices)
      Returns a BasicGT instance restricted to genotype data for the specified markers.
      BasicGT restrict​(Markers restrictedMarkers, int[] indices)
      Returns a GT instance restricted to genotype data for the specified markers.
      Samples samples()
      Returns the list of samples.
      java.lang.String toString()
      Returns a string representation of this.
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
    • Constructor Detail

      • BasicGT

        public BasicGT​(GTRec[] recs)
        Constructs a BasicGT instance from the specified data
        Parameters:
        recs - genotype records for a list of markers
        Throws:
        java.lang.IllegalArgumentException - if elements of recs corresponding to the same chromosome are not contiguous and sorted in chromosome position order
        java.lang.IllegalArgumentException - if recs.length == 0
        java.lang.IllegalArgumentException - if any two elements of recs correspond to the same genetic marker
        java.lang.IllegalArgumentException - if (recs[j].samples().equals(recs[k].samples()) == false) for any j, k satisfying (0 <= j && j < k && j < recs.length)
        java.lang.NullPointerException - if recs == null
        java.lang.NullPointerException - if (recs[j] == null) any j satisfying (0 <= j && j < recs.length)
      • BasicGT

        public BasicGT​(Samples samples,
                       GTRec[] recs)
        Constructs a BasicGT instance from the specified data
        Parameters:
        samples - the list of samples with genotype data
        recs - genotype records for a list of markers
        Throws:
        java.lang.IllegalArgumentException - if elements of recs corresponding to the same chromosome are not contiguous and sorted in chromosome position order
        java.lang.IllegalArgumentException - if any two elements of recs correspond to the same genetic marker
        java.lang.IllegalArgumentException - if (recs[j].samples().equals(samples) == false) for any j satisfying (0 <= j && j < recs.length)
        java.lang.NullPointerException - if samples == null || recs == null
        java.lang.NullPointerException - if (recs[j] == null) any j satisfying (0 <= j && j < recs.length)
      • BasicGT

        public BasicGT​(Markers markers,
                       Samples samples,
                       GTRec[] recs)
        Constructs a BasicGT instance from the specified data.
        Parameters:
        markers - the list of markers with genotype data
        samples - the list of samples with genotype data
        recs - the genotype data for each marker
        Throws:
        java.lang.IllegalArgumentException - if (recs[j].marker().equals(markers.marker(j)) == false) for any j satisfying (0 <= j && j < recs.length)
        java.lang.IllegalArgumentException - if (recs[j].samples().equals(samples) == false) for any j satisfying (0 <= j && j < recs.length)
        java.lang.NullPointerException - if (markers == null || samples == null || recs == null)
        java.lang.NullPointerException - if (recs[j] == null) any j satisfying (0 <= j && j < recs.length)
    • Method Detail

      • genotype

        public static int genotype​(int a1,
                                   int a2)
        Returns the genotype index corresponding to the specified unordered alleles.
        Parameters:
        a1 - the first allele index of an unordered genotype
        a2 - the second allele index of an unordered genotype
        Returns:
        the genotype index corresponding to the specified unordered alleles
        Throws:
        java.lang.IllegalArgumentException - if a1 < 0 || a2 < 0
      • isReversed

        public boolean isReversed()
        Description copied from interface: GT
        Returns true if the markers are ordered by decreasing chromosome base position, and returns false otherwise.
        Specified by:
        isReversed in interface GT
        Returns:
        true if the markers are ordered by decreasing chromosome base position
      • nMarkers

        public int nMarkers()
        Description copied from interface: GT
        Returns the number of markers.
        Specified by:
        nMarkers in interface GT
        Returns:
        the number of markers
      • marker

        public Marker marker​(int markerIndex)
        Description copied from interface: GT
        Returns the specified marker.
        Specified by:
        marker in interface GT
        Parameters:
        markerIndex - a marker index
        Returns:
        the specified marker
      • markers

        public Markers markers()
        Description copied from interface: GT
        Returns the list of markers in order of increasing chromosome position. If (this.isReversed() == false) then (this.markers().marker(j).equals(this.marker(j)) == true) for all (0 <= j && j < this.nMarkers()). If (this.isReversed() == true) then (this.markers().marker(this.nMarkers() - 1 - j).equals(this.marker(j)) == true) for all (0 <= j && j < this.nMarkers())
        Specified by:
        markers in interface GT
        Returns:
        the list of markers in order of increasing chromosome position
      • nHaps

        public int nHaps()
        Description copied from interface: GT
        Returns the number of haplotypes. The returned value is equal to 2*this.nSamples().
        Specified by:
        nHaps in interface GT
        Returns:
        the number of haplotypes
      • nSamples

        public int nSamples()
        Description copied from interface: GT
        Returns the number of samples.
        Specified by:
        nSamples in interface GT
        Returns:
        the number of samples
      • samples

        public Samples samples()
        Description copied from interface: GT
        Returns the list of samples.
        Specified by:
        samples in interface GT
        Returns:
        the list of samples
      • isPhased

        public boolean isPhased()
        Description copied from interface: GT
        Returns true if the genotype for each marker and sample has non-missing alleles and is either haploid or diploid with a phased allele separator, and returns false otherwise.
        Specified by:
        isPhased in interface GT
        Returns:
        true if the genotype for each marker and sample is a phased, non-missing genotype
      • allele1

        public int allele1​(int marker,
                           int sample)
        Description copied from interface: GT
        Returns the first allele for the specified marker and sample or return -1 if the allele is missing. The order of the two alleles is unspecified if this.isPhased() == false.
        Specified by:
        allele1 in interface GT
        Parameters:
        marker - the marker index
        sample - the sample index
        Returns:
        the first allele for the specified marker and sample
      • allele2

        public int allele2​(int marker,
                           int sample)
        Description copied from interface: GT
        Returns the second allele for the specified marker and sample or return -1 if the allele is missing. The order of the two alleles is unspecified if this.isPhased() == false.
        Specified by:
        allele2 in interface GT
        Parameters:
        marker - the marker index
        sample - the sample index
        Returns:
        the allele for the specified marker and sample
      • allele

        public int allele​(int marker,
                          int hap)
        Description copied from interface: GT
        Returns the allele on the specified haplotype for the specified marker or return -1 if the allele is missing. The order of the two alleles is unspecified if this.isPhased() == false.
        Specified by:
        allele in interface GT
        Parameters:
        marker - the marker index
        hap - the haplotype index
        Returns:
        the allele on the specified haplotype for the specified marker
      • restrict

        public static BasicGT restrict​(BasicGT gt,
                                       int[] indices)
        Returns a BasicGT instance restricted to genotype data for the specified markers.
        Parameters:
        gt - the BasicGT instance to be restricted
        indices - a list of distinct marker indices (from this.markers()) in increasing order
        Returns:
        a GT instance restricted to genotype data for the specified markers
        Throws:
        java.lang.IndexOutOfBoundsException - if there exists j such that (0 <= j && j < indices.length) such that (indices[j] < 0 || indices[j] >= gt.nMarkers())
        java.lang.IllegalArgumentException - if there exists j such that (1 <= j && j < indices.length) such that (indices[j] <= indice[j - 1])
        java.lang.NullPointerException - if gt == null || indices == null
      • restrict

        public BasicGT restrict​(Markers restrictedMarkers,
                                int[] indices)
        Description copied from interface: GT
        Returns a GT instance restricted to genotype data for the specified markers.
        Specified by:
        restrict in interface GT
        Parameters:
        restrictedMarkers - the list of markers in the returned instance
        indices - a list of distinct marker indices (from this.markers()) in increasing order
        Returns:
        a GT instance restricted to genotype data for the specified markers
      • restrict

        public BasicGT restrict​(int start,
                                int end)
        Description copied from interface: GT
        Returns a new GT instance restricted to genotype data for the specified markers.
        Specified by:
        restrict in interface GT
        Parameters:
        start - the start marker (inclusive)
        end - the end marker (exclusive)
        Returns:
        a GT instance restricted to genotype data for the specified markers
      • toString

        public java.lang.String toString()
        Returns a string representation of this. The exact details of the representation are unspecified and subject to change.
        Overrides:
        toString in class java.lang.Object
        Returns:
        a string representation of this