package ca.pfv.spmf.datastructures.triangularmatrix; public interface AbstractTriangularMatrix { /** * Return a reprensentation of the triangular matrix as a string. */ public abstract String toString(); /** * Increment the value at position i,j * @param i a row id * @param j a column id */ public abstract void incrementCount(int i, int j); /** * Get the value stored at a given position * @param i a row id * @param j a column id * @return the value. */ public abstract int getSupportForItems(int i, int j); public abstract void setSupport(Integer i, Integer j, int support); }