Speed up the incremental backup by using multiple CPU cores if available (use multiple threads to calculate the hash).

1 files changed, 7 insertions, 1 deletions

diff --git a/src/main/java/com/keuin/kbackupfabric/backup/incremental/ObjectElement.java b/src/main/java/com/keuin/kbackupfabric/backup/incremental/ObjectElement.java
index 0bb7873..ee677fa 100644
--- a/src/main/java/com/keuin/kbackupfabric/backup/incremental/ObjectElement.java
+++ b/src/main/java/com/keuin/kbackupfabric/backup/incremental/ObjectElement.java
@@ -1,6 +1,7 @@
 package com.keuin.kbackupfabric.backup.incremental;
 
 import com.keuin.kbackupfabric.backup.incremental.identifier.ObjectIdentifier;
+import org.jetbrains.annotations.NotNull;
 
 import java.io.Serializable;
 import java.util.Objects;
@@ -9,7 +10,7 @@ import java.util.Objects;
  * Representing a file in a ObjectCollection.
  * Immutable.
  */
-public class ObjectElement implements Serializable {
+public class ObjectElement implements Serializable, Comparable<ObjectElement> {
     private final String name;
     private final ObjectIdentifier identifier;
 
@@ -57,4 +58,9 @@ public class ObjectElement implements Serializable {
                 ", identifier=" + identifier +
                 '}';
     }
+
+    @Override
+    public int compareTo(@NotNull ObjectElement objectElement) {
+        return name.compareTo(objectElement.name);
+    }
 }