61 lines
1.8 KiB
C++
61 lines
1.8 KiB
C++
#include "BlockRef.h"
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#include "ParallelAccessBlockStore.h"
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#include "ParallelAccessBlockStoreAdapter.h"
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#include <cassert>
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#include <cpp-utils/pointer/cast.h>
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#include <cpp-utils/assert/assert.h>
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using std::string;
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using std::promise;
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using cpputils::dynamic_pointer_move;
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using cpputils::make_unique_ref;
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using boost::none;
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using cpputils::unique_ref;
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using cpputils::make_unique_ref;
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using boost::optional;
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using boost::none;
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namespace blockstore {
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namespace parallelaccess {
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ParallelAccessBlockStore::ParallelAccessBlockStore(unique_ref<BlockStore> baseBlockStore)
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: _baseBlockStore(std::move(baseBlockStore)), _parallelAccessStore(make_unique_ref<ParallelAccessBlockStoreAdapter>(_baseBlockStore.get())) {
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}
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Key ParallelAccessBlockStore::createKey() {
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return _baseBlockStore->createKey();
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}
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optional<unique_ref<Block>> ParallelAccessBlockStore::tryCreate(const Key &key, cpputils::Data data) {
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ASSERT(!_parallelAccessStore.isOpened(key), ("Key "+key.ToString()+"already exists").c_str());
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auto block = _baseBlockStore->tryCreate(key, std::move(data));
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if (block == none) {
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//TODO Test this code branch
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return none;
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}
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return unique_ref<Block>(_parallelAccessStore.add(key, std::move(*block)));
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}
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optional<unique_ref<Block>> ParallelAccessBlockStore::load(const Key &key) {
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auto block = _parallelAccessStore.load(key);
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if (block == none) {
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return none;
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}
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return unique_ref<Block>(std::move(*block));
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}
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void ParallelAccessBlockStore::remove(unique_ref<Block> block) {
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Key key = block->key();
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auto block_ref = dynamic_pointer_move<BlockRef>(block);
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ASSERT(block_ref != none, "Block is not a BlockRef");
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return _parallelAccessStore.remove(key, std::move(*block_ref));
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}
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uint64_t ParallelAccessBlockStore::numBlocks() const {
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return _baseBlockStore->numBlocks();
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}
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}
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}
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