1 files changed, 15 insertions, 0 deletions
diff --git a/src/main/java/com/keuin/kbackupfabric/backup/incremental/identifier/FileIdentifierProvider.java b/src/main/java/com/keuin/kbackupfabric/backup/incremental/identifier/FileIdentifierProvider.java
new file mode 100644
index 0000000..e1039d6
--- /dev/null
+++ b/src/main/java/com/keuin/kbackupfabric/backup/incremental/identifier/FileIdentifierProvider.java
@@ -0,0 +1,15 @@
+package com.keuin.kbackupfabric.backup.incremental.identifier;
+
+import java.io.File;
+import java.io.IOException;
+
+public interface FileIdentifierProvider<T extends ObjectIdentifier> {
+    /**
+     * Generate file identifier from a random file. The file is not necessarily in the object base.
+     *
+     * @param file the file.
+     * @return the file identifier.
+     * @throws IOException when an I/O error occurs.
+     */
+    T fromFile(File file) throws IOException;
+}