forked from lix-project/lix
29 lines
673 B
C++
29 lines
673 B
C++
|
#pragma once
|
||
|
|
|
||
|
|
#include "ref.hh"
|
||
|
|
#include "nar-info.hh"
|
||
|
|
|
||
|
|
namespace nix {
|
||
|
|
|
||
|
|
class NarInfoDiskCache
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
typedef enum { oValid, oInvalid, oUnknown } Outcome;
|
||
|
|
|
||
|
|
virtual void createCache(const std::string & uri) = 0;
|
||
|
|
|
||
|
|
virtual bool cacheExists(const std::string & uri) = 0;
|
||
|
|
|
||
|
|
virtual std::pair<Outcome, std::shared_ptr<NarInfo>> lookupNarInfo(
|
||
|
|
const std::string & uri, const Path & storePath) = 0;
|
||
|
|
|
||
|
|
virtual void upsertNarInfo(
|
||
|
|
const std::string & uri, std::shared_ptr<ValidPathInfo> narInfo) = 0;
|
||
|
|
};
|
||
|
|
|
||
|
|
/* Return a singleton cache object that can be used concurrently by
|
||
|
|
multiple threads. */
|
||
|
|
ref<NarInfoDiskCache> getNarInfoDiskCache();
|
||
|
|
|
||
|
|
}
|