📄 sorter.java
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package org.test;
import java.util.Date;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerSorter;
public class Sorter extends ViewerSorter {
private static final int ID = 1;
private static final int NAME = 2;
private static final int SEX = 3;
private static final int AGE = 4;
private static final int CREATE_DATE = 5;
public static final Sorter ID_ASC = new Sorter(ID);
public static final Sorter ID_DESC = new Sorter(-ID);
public static final Sorter NAME_ASC = new Sorter(NAME);
public static final Sorter NAME_DESC = new Sorter(-NAME);
public static final Sorter SEX_ASC = new Sorter(SEX);
public static final Sorter SEX_DESC = new Sorter(-SEX);
public static final Sorter AGE_ASC = new Sorter(AGE);
public static final Sorter AGE_DESC = new Sorter(-AGE);
public static final Sorter CREATE_DATE_ASC = new Sorter(CREATE_DATE);
public static final Sorter CREATE_DATE_DESC = new Sorter(-CREATE_DATE);
private int sortType ;
private Sorter(int sortType){
this.sortType = sortType;
}
public int compare(Viewer viewer, Object e1, Object e2) {
People p1 = (People)e1;
People p2 = (People)e2;
switch(sortType){
case ID:{
Long l1 = p1.getId();
Long l2 = p2.getId();
return l1.compareTo(l2);
}
case -ID:{
Long l1 = p1.getId();
Long l2 = p2.getId();
return l2.compareTo(l1);
}
case NAME:{
String s1 = p1.getName();
String s2 = p2.getName();
return s1.compareTo(s2);
}
case -NAME:{
String s1 = p1.getName();
String s2 = p2.getName();
return s2.compareTo(s1);
}
case SEX:{
String s1 = p1.getSex();
String s2 = p2.getSex();
return s1.compareTo(s2);
}
case -SEX:{
String s1 = p1.getSex();
String s2 = p2.getSex();
return s2.compareTo(s1);
}
case AGE:{
Integer i1 = p1.getAge();
Integer i2 = p2.getAge();
return i1.compareTo(i2);
}
case -AGE:{
Integer i1 = p1.getAge();
Integer i2 = p2.getAge();
return i2.compareTo(i1);
}
case CREATE_DATE:{
Date d1 = p1.getCreateDate();
Date d2 = p2.getCreateDate();
d1.compareTo(d2);
}
case -CREATE_DATE:{
Date d1 = p1.getCreateDate();
Date d2 = p2.getCreateDate();
d2.compareTo(d1);
}
}
return 0;
}
}
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