X-Git-Url: https://mograsim.net/gitweb/?a=blobdiff_plain;f=net.mograsim.logic.model%2Fsrc%2Fnet%2Fmograsim%2Flogic%2Fmodel%2Futil%2FVersion.java;h=00aeed89bed13ba29783fca6e8182395a2bcfa4a;hb=bbe38c55aaa999d025f534245f9207a88643f6e5;hp=ac42e13ae64fe24e2e23b297591b009d2f117326;hpb=a6cd86d5b65d3322c5f9acc8ecec207b3fe6d887;p=Mograsim.git

diff --git a/net.mograsim.logic.model/src/net/mograsim/logic/model/util/Version.java b/net.mograsim.logic.model/src/net/mograsim/logic/model/util/Version.java
index ac42e13a..00aeed89 100644
--- a/net.mograsim.logic.model/src/net/mograsim/logic/model/util/Version.java
+++ b/net.mograsim.logic.model/src/net/mograsim/logic/model/util/Version.java
@@ -10,7 +10,7 @@ import com.google.gson.stream.JsonWriter;
 import net.mograsim.logic.model.util.Version.VersionJSONAdapter;
 
 @JsonAdapter(VersionJSONAdapter.class)
-public final class Version
+public final class Version implements Comparable<Version>
 {
 	public final int major, minor, patch;
 
@@ -88,6 +88,40 @@ public final class Version
 		return is(major, minor) && this.patch == patch;
 	}
 
+	/**
+	 * Compares this {@link Version} with the specified version.<br>
+	 * As required by {@link Comparable#compareTo(Object)}, returns a negative integer, zero, or a positive integer as this version is less
+	 * (earlier) than, equal to, or greater (later) than the specified version.
+	 * <p>
+	 * If the versions are equal ({@link #major}, {@link #minor}, {@link #patch} are the same), returns 0. <br>
+	 * If they differ in {@link #patch}, but neither {@link #major} or {@link #minor} , returns +-1. <br>
+	 * If they differ in {@link #minor}, but not {@link #major}, returns +-2.<br>
+	 * If they differ in {@link #major}, returns +-3.
+	 */
+	@Override
+	public int compareTo(Version o)
+	{
+		if (major != o.major)
+		{
+			if (major > o.major)
+				return 3;
+			return -3;
+		}
+		if (minor != o.minor)
+		{
+			if (minor > o.minor)
+				return 2;
+			return -2;
+		}
+		if (patch != o.patch)
+		{
+			if (patch > o.patch)
+				return 1;
+			return -1;
+		}
+		return 0;
+	}
+
 	static class VersionJSONAdapter extends TypeAdapter<Version>
 	{
 		@Override