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Model base class: implement Comparable<Model>

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This commit is contained in:
Jonathan Bernard 2016-03-14 03:49:11 -05:00
parent ecf83e8589
commit ad693e608e
1 changed files with 11 additions and 3 deletions
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14
core/src/main/java/com/jdbernard/wdiwtlt/db/models/Model.java
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@ -3,13 +3,21 @@ package com.jdbernard.wdiwtlt.db.models;
import javax.persistence.Entity;
@Entity
public class Model {
public class Model implements Comparable<Model> {
public Integer id;
public boolean equals(Object thatObj) {
if (thatObj == null) return false;
if (!(thatObj instanceof Model)) return false;
if (this.getClass() != thatObj.getClass()) return false;
Model that = (Model) thatObj;
return this.id == that.id; }
return this.id.equals(that.id); }
public int compareTo(Model that) {
if (this.id == null) return -1;
if (this.getClass() != that.getClass()) {
return this.getClass().getSimpleName().compareTo(
that.getClass().getSimpleName()); }
return this.id.compareTo(that.id); }
}