1 files changed, 34 insertions, 0 deletions
diff --git a/src/tools/immutable_object_cache/Policy.h b/src/tools/immutable_object_cache/Policy.h
new file mode 100644
index 000000000..7924a8919
--- /dev/null
+++ b/src/tools/immutable_object_cache/Policy.h
@@ -0,0 +1,34 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#ifndef CEPH_CACHE_POLICY_H
+#define CEPH_CACHE_POLICY_H
+
+#include <list>
+#include <string>
+
+namespace ceph {
+namespace immutable_obj_cache {
+
+typedef enum {
+  OBJ_CACHE_NONE = 0,
+  OBJ_CACHE_PROMOTED,
+  OBJ_CACHE_SKIP,
+  OBJ_CACHE_DNE,
+} cache_status_t;
+
+class Policy {
+ public:
+  Policy() {}
+  virtual ~Policy() {}
+  virtual cache_status_t lookup_object(std::string) = 0;
+  virtual int evict_entry(std::string) = 0;
+  virtual void update_status(std::string, cache_status_t,
+                             uint64_t size = 0) = 0;
+  virtual cache_status_t get_status(std::string) = 0;
+  virtual void get_evict_list(std::list<std::string>* obj_list) = 0;
+};
+
+}  // namespace immutable_obj_cache
+}  // namespace ceph
+#endif