1package io.protobase.f7.models;
 2
 3import com.google.common.base.MoreObjects;
 4
 5/**
 6 * Represents a single location in a 2D grid - usually {@link Grid}.
 7 */
 8public class ColumnRowKey extends BaseObject {
 9  private Integer column;
10  private Integer row;
11
12  /**
13   * Create a new key from 0-indexed column and 0-indexed row.
14   *
15   * @param column int greater than or equal to 0.
16   * @param row    int greater than or equal to 0.
17   */
18  public ColumnRowKey(Integer column, Integer row) {
19    this.column = column;
20    this.row = row;
21  }
22
23  /**
24   * Column index.
25   *
26   * @return column index.
27   */
28  public Integer getColumnIndex() {
29    return column;
30  }
31
32  /**
33   * Row index.
34   *
35   * @return row index.
36   */
37  public Integer getRowIndex() {
38    return row;
39  }
40
41  @Override
42  public String toString() {
43    return MoreObjects.toStringHelper(this)
44        .add("column", column)
45        .add("row", row)
46        .toString();
47  }
48
49  @Override
50  public Object[] significantAttributes() {
51    return new Object[]{
52        column,
53        row
54    };
55  }
56
57  public int compareTo(ColumnRowKey other) {
58    if (this.equals(other)) {
59      return 0;
60    }
61    if (this.column.equals(other.getColumnIndex())) {
62      return this.row.compareTo(other.getRowIndex());
63    }
64    return this.column.compareTo(other.getColumnIndex());
65  }
66}