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MatrixIndexes (Apache SystemDS 3.4.0-SNAPSHOT API)

  • java.lang.Object
    • org.apache.sysds.runtime.matrix.data.MatrixIndexes
  • All Implemented Interfaces:
    Externalizable, Serializable, Comparable<MatrixIndexes>, Comparator<MatrixIndexes>, org.apache.hadoop.io.RawComparator<MatrixIndexes>, org.apache.hadoop.io.Writable, org.apache.hadoop.io.WritableComparable<MatrixIndexes>
    public class MatrixIndexes
extends Object
implements org.apache.hadoop.io.WritableComparable<MatrixIndexes>, org.apache.hadoop.io.RawComparator<MatrixIndexes>, Externalizable

    This represent the indexes to the blocks of the matrix. Please note that these indexes are 1-based, whereas the data in the block are zero-based (as they are double arrays).

    See Also:
    Serialized Form

    • Constructor Summary

      Constructors 
      Constructor Description
      MatrixIndexes()  
      MatrixIndexes​(long r, long c)  
      MatrixIndexes​(MatrixIndexes indexes)  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      int compare​(byte[] b1, int s1, int l1, byte[] b2, int s2, int l2)  
      int compare​(MatrixIndexes m1, MatrixIndexes m2)  
      int compareTo​(MatrixIndexes other)  
      boolean equals​(Object other)  
      long getColumnIndex()  
      long getRowIndex()  
      int hashCode()  
      void readExternal​(ObjectInput is)

      Redirects the default java serialization via externalizable to our default hadoop writable serialization for consistency/maintainability.
      void readFields​(DataInput in)  
      MatrixIndexes setIndexes​(long r, long c)  
      MatrixIndexes setIndexes​(MatrixIndexes that)  
      String toString()  
      void write​(DataOutput out)  
      void writeExternal​(ObjectOutput os)

      Redirects the default java serialization via externalizable to our default hadoop writable serialization for consistency/maintainability.

      • Methods inherited from class java.lang.Object

        getClass, notify, notifyAll, wait, wait, wait

      • Methods inherited from interface java.util.Comparator

        reversed, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

    • Constructor Detail

      • MatrixIndexes

        public MatrixIndexes()

      • MatrixIndexes

        public MatrixIndexes​(long r,
                     long c)

      • MatrixIndexes

        public MatrixIndexes​(MatrixIndexes indexes)

    • Method Detail

      • getRowIndex

        public long getRowIndex()

      • getColumnIndex

        public long getColumnIndex()

      • setIndexes

        public MatrixIndexes setIndexes​(long r,
                                long c)

      • setIndexes

        public MatrixIndexes setIndexes​(MatrixIndexes that)

      • compareTo

        public int compareTo​(MatrixIndexes other)
        Specified by:
        compareTo in interface Comparable<MatrixIndexes>

      • equals

        public boolean equals​(Object other)
        Specified by:
        equals in interface Comparator<MatrixIndexes>
        Overrides:
        equals in class Object

      • hashCode

        public int hashCode()
        Overrides:
        hashCode in class Object

      • toString

        public String toString()
        Overrides:
        toString in class Object

      • readFields

        public void readFields​(DataInput in)
                throws IOException
        Specified by:
        readFields in interface org.apache.hadoop.io.Writable
        Throws:
        IOException

      • write

        public void write​(DataOutput out)
           throws IOException
        Specified by:
        write in interface org.apache.hadoop.io.Writable
        Throws:
        IOException

      • readExternal

        public void readExternal​(ObjectInput is)
                  throws IOException

        Redirects the default java serialization via externalizable to our default hadoop writable serialization for consistency/maintainability.

        Specified by:
        readExternal in interface Externalizable
        Parameters:
        is - object input
        Throws:
        IOException - if IOException occurs

      • writeExternal

        public void writeExternal​(ObjectOutput os)
                   throws IOException

        Redirects the default java serialization via externalizable to our default hadoop writable serialization for consistency/maintainability.

        Specified by:
        writeExternal in interface Externalizable
        Parameters:
        os - object output
        Throws:
        IOException - if IOException occurs

      • compare

        public int compare​(byte[] b1,
                   int s1,
                   int l1,
                   byte[] b2,
                   int s2,
                   int l2)
        Specified by:
        compare in interface org.apache.hadoop.io.RawComparator<MatrixIndexes>

      • compare

        public int compare​(MatrixIndexes m1,
                   MatrixIndexes m2)
        Specified by:
        compare in interface Comparator<MatrixIndexes>