StackMatrix.java 4.47 KB
package com.huaheng.api.wcs.domain;

import java.util.*;
import java.util.function.Function;

/***
 * @author tongzonghao
 *
 */
public class StackMatrix {

    private int[][] matr;
    private int row;
    private int column;

    public int getRow() {
        return row;
    }

    public int getColumn() {
        return column;
    }

    public StackMatrix(int row, int column) {
        this.row = row;
        this.column = column;
        matr = new int[row][column];
    }

    public StackMatrix(Integer stackType) {
        int rowFlag = 3;
        int columnFlag = 0;
        switch (stackType){
            case 1:
            case 3:
                columnFlag = 3;
                break;
            case 2:
                columnFlag = 4;
                break;
            default:
        }
        this.row = rowFlag;
        this.column = columnFlag;
        matr = new int[row][column];
    }

    public void setForEach(Function<Integer, Integer> funtion) {
        for (int i = 0; i < row; i++) {
            for (int j = 0; j < column; j++) {
                matr[i][j] = funtion.apply(matr[i][j]);
            }
        }
    }

    /**
     * 从高位向下取 位置号
     *
     * @param columnIdx
     * @param rowIdx
     * @return
     */
    public List<Integer> getColumnValue(int rowIdx, int columnIdx) {
        Set<Integer> columnValues = new HashSet<>();
        if (columnIdx < 0 || columnIdx > this.column) {
            return null;
        }
        for (int i = this.row - 1; i >= rowIdx; i--) {
            columnValues.add(matr[i][columnIdx]);
        }
        columnValues.remove(new Integer(0));
        return new ArrayList<>(columnValues);
    }

    /**
     * 水平取位置
     *
     * @param columnIdx
     * @param rowIdx
     * @return
     */
    public List<Integer> getLayerValue(int columnIdx, int rowIdx) {
        Set<Integer> layerValues = new HashSet<>();
        if (rowIdx < 0 || rowIdx > this.row) {
            return null;
        }
        for (int i = this.column - 1; i >= columnIdx; i--) {
            layerValues.add(matr[rowIdx][i]);
        }
        return new ArrayList<>(layerValues);
    }


    public Map<String, Integer> searchValueByFullMatr(int target) {
        Map<String, Integer> map = new HashMap<>();
        for (int i = 0; i < row; i++) {
            for (int j = 0; j < column; j++) {
                if (target == matr[i][j]) {
                    map.put("row", i);
                    map.put("column", j);
                    return map;
                }
            }
        }
        return null;
    }

    public int getMaxValueRow() {
        int maxValue = matr[0][0];
        int maxRow = 0;
        for (int j = 0; j < matr.length; j++) {
            for (int i = 0; i < matr[j].length; i++) {
                if (matr[j][i] > maxValue) {
                    maxValue = matr[j][i];
                    maxRow = j;
                }
            }
        }
        return maxRow;
    }

    public int getMinValueRow() {
        int minValue = matr[0][0];
        int minValueRow = 0;
        for (int j = 0; j < matr.length; j++) {
            for (int i = 0; i < matr[j].length; i++) {
                if (matr[j][i] < minValue ) {
                    minValue = matr[j][i];
                    minValueRow = j;
                }
            }
        }
        return minValueRow ;
    }

    public int getMaxValue() {
        int maxValue = matr[0][0];
        for (int j = 0; j < matr.length; j++) {
            for (int i = 0; i < matr[j].length; i++) {
                if (matr[j][i] > maxValue) {
                    maxValue = matr[j][i];
                }
            }
        }
        return maxValue;
    }

    public int getMinValue() {
        int minValue = matr[0][0];
        for (int j = 0; j < matr.length; j++) {
            for (int i = 0; i < matr[j].length; i++) {
                if (matr[j][i] < minValue ) {
                    minValue = matr[j][i];
                }
            }
        }
        return minValue ;
    }

    public StackMatrix setMatr(int[][] matr) {
        this.matr = matr;
        return this;
    }

    public int[][] getMatr() {
        return matr;
    }

    public int getEmptyPosition() {
        int minPosition = 0;
        int num = 0;
        for (int i = 0; i < row; i++) {
            for (int j = 0; j < column; j++) {
                num++;
                if (matr[i][j] == 0) {
                    return num;
                }
            }
        }
        return minPosition;
    }
}