refactor

1 files changed, 13 insertions, 0 deletions

diff --git a/src/main/java/com/keuin/kbackupfabric/backup/incremental/identifier/ObjectIdentifier.java b/src/main/java/com/keuin/kbackupfabric/backup/incremental/identifier/ObjectIdentifier.java
new file mode 100644
index 0000000..07cd390
--- /dev/null
+++ b/src/main/java/com/keuin/kbackupfabric/backup/incremental/identifier/ObjectIdentifier.java
@@ -0,0 +1,13 @@
+package com.keuin.kbackupfabric.backup.incremental.identifier;
+
+import java.io.Serializable;
+
+/**
+ * The identifier distinguishing files in the object collection.
+ * It should be based on cryptographic hash function in order to prevent possible attacks to the backup system.
+ * All identifiers should be immutable and implement their own equals method.
+ * Immutable.
+ */
+public interface ObjectIdentifier extends Serializable {
+    String getIdentification();
+}