From c79e5954716f5276d37ec7f4b2634a392ff2acca Mon Sep 17 00:00:00 2001
From: kailiu <hfevers@gmail.com>
Date: Tue, 10 Dec 2013 17:34:35 -0800
Subject: [PATCH] Make Cache::GetCapacity constant

Summary: This will allow us to access constant via `DB::GetOptions().table_cache.GetCapacity()` or `DB::GetOptions().block_cache.GetCapacity()` since GetOptions() is also constant method.
---
 include/rocksdb/cache.h | 2 +-
 util/cache.cc           | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/rocksdb/cache.h b/include/rocksdb/cache.h
index 3e0e5c1cd..201d82f19 100644
--- a/include/rocksdb/cache.h
+++ b/include/rocksdb/cache.h
@@ -102,7 +102,7 @@ class Cache {
   virtual uint64_t NewId() = 0;
 
   // returns the maximum configured capacity of the cache
-  virtual size_t GetCapacity() = 0;
+  virtual size_t GetCapacity() const = 0;
 
  private:
   void LRU_Remove(Handle* e);
diff --git a/util/cache.cc b/util/cache.cc
index deec52864..b9d41be49 100644
--- a/util/cache.cc
+++ b/util/cache.cc
@@ -404,7 +404,7 @@ class ShardedLRUCache : public Cache {
     MutexLock l(&id_mutex_);
     return ++(last_id_);
   }
-  virtual size_t GetCapacity() {
+  virtual size_t GetCapacity() const {
     return capacity_;
   }
 };