MeteoriteDB

commit 8636db144e3a6a7d226e8b889a407707ebc36408
parent 58e2c0666b5b95db348f88a322ed584318e1ae07
Author: William Lindholm <william_lindholm@outlook.com>
Date:   Thu,  4 May 2023 23:24:41 +0200

Added sorting by weight algorithm, places nullvalues last.

Diffstat:
A
app/src/main/java/com/example/project_assignment/comparators/SortByWeight.java
 | 
23
+++++++++++++++++++++++

1 file changed, 23 insertions(+), 0 deletions(-)
diff --git a/app/src/main/java/com/example/project_assignment/comparators/SortByWeight.java b/app/src/main/java/com/example/project_assignment/comparators/SortByWeight.java
@@ -0,0 +1,23 @@
+package com.example.project_assignment.comparators;
+
+import com.example.project_assignment.Meteorite;
+
+import java.util.Comparator;
+
+public class SortByWeight implements Comparator<Meteorite> {
+
+    @Override
+    public int compare(Meteorite m1, Meteorite m2) {
+        //place null values last.
+        if (m1.getMass() == 0) {
+            return 1;
+        }
+        else if (m2.getMass() == 0) {
+            return -1;
+        } else if (m1.getMass() == 0 && m2.getMass() == 0) {
+            return 0;
+        }
+
+        return Double.compare(m1.getMass(), m2.getMass());
+    }
+}