libcryfs/src/blobstore/implementations/onblocks/datatreestore/DataTreeStore.cpp

50 lines
1.2 KiB
C++

#include "DataTreeStore.h"
#include "../datanodestore/DataLeafNode.h"
#include "DataTree.h"
using cpputils::unique_ref;
using cpputils::make_unique_ref;
using cpputils::Data;
using boost::optional;
using boost::none;
using blobstore::onblocks::datanodestore::DataNodeStore;
namespace blobstore {
namespace onblocks {
namespace datatreestore {
DataTreeStore::DataTreeStore(unique_ref<DataNodeStore> nodeStore)
: _nodeStore(std::move(nodeStore)) {
}
DataTreeStore::~DataTreeStore() {
}
optional<unique_ref<DataTree>> DataTreeStore::load(const blockstore::BlockId &blockId) {
auto node = _nodeStore->load(blockId);
if (node == none) {
return none;
}
return make_unique_ref<DataTree>(_nodeStore.get(), std::move(*node));
}
unique_ref<DataTree> DataTreeStore::createNewTree() {
auto newleaf = _nodeStore->createNewLeafNode(Data(0));
return make_unique_ref<DataTree>(_nodeStore.get(), std::move(newleaf));
}
void DataTreeStore::remove(unique_ref<DataTree> tree) {
_nodeStore->removeSubtree(tree->releaseRootNode());
}
void DataTreeStore::remove(const blockstore::BlockId &blockId) {
auto tree = load(blockId);
ASSERT(tree != none, "Tree to remove not found");
remove(std::move(*tree));
}
}
}
}