mirror of https://gitee.com/bigwinds/arangodb
246 lines
9.5 KiB
C++
246 lines
9.5 KiB
C++
////////////////////////////////////////////////////////////////////////////////
|
|
/// DISCLAIMER
|
|
///
|
|
/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
|
|
/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
|
|
///
|
|
/// Licensed under the Apache License, Version 2.0 (the "License");
|
|
/// you may not use this file except in compliance with the License.
|
|
/// You may obtain a copy of the License at
|
|
///
|
|
/// http://www.apache.org/licenses/LICENSE-2.0
|
|
///
|
|
/// Unless required by applicable law or agreed to in writing, software
|
|
/// distributed under the License is distributed on an "AS IS" BASIS,
|
|
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
/// See the License for the specific language governing permissions and
|
|
/// limitations under the License.
|
|
///
|
|
/// Copyright holder is ArangoDB GmbH, Cologne, Germany
|
|
///
|
|
/// @author Jan Steemann
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef ARANGOD_VOCBASE_PHYSICAL_COLLECTION_H
|
|
#define ARANGOD_VOCBASE_PHYSICAL_COLLECTION_H 1
|
|
|
|
#include "Basics/Common.h"
|
|
#include "Basics/ReadWriteLock.h"
|
|
#include "Indexes/Index.h"
|
|
#include "Indexes/IndexIterator.h"
|
|
#include "VocBase/voc-types.h"
|
|
|
|
#include <velocypack/Builder.h>
|
|
|
|
namespace arangodb {
|
|
namespace transaction {
|
|
class Methods;
|
|
}
|
|
|
|
struct DocumentIdentifierToken;
|
|
class Index;
|
|
class IndexIterator;
|
|
class LogicalCollection;
|
|
class ManagedDocumentResult;
|
|
struct OperationOptions;
|
|
class Result;
|
|
|
|
class PhysicalCollection {
|
|
protected:
|
|
PhysicalCollection(LogicalCollection* collection,
|
|
arangodb::velocypack::Slice const& info);
|
|
|
|
public:
|
|
virtual ~PhysicalCollection() = default;
|
|
|
|
// path to logical collection
|
|
virtual std::string const& path() const = 0;
|
|
virtual void setPath(
|
|
std::string const&) = 0; // should be set during collection creation
|
|
// creation happens atm in engine->createCollection
|
|
virtual arangodb::Result updateProperties(
|
|
arangodb::velocypack::Slice const& slice, bool doSync) = 0;
|
|
virtual arangodb::Result persistProperties() = 0;
|
|
|
|
virtual PhysicalCollection* clone(LogicalCollection*,
|
|
PhysicalCollection*) = 0;
|
|
|
|
virtual TRI_voc_rid_t revision(arangodb::transaction::Methods* trx) const = 0;
|
|
|
|
/// @brief export properties
|
|
virtual void getPropertiesVPack(velocypack::Builder&) const = 0;
|
|
virtual void getPropertiesVPackCoordinator(velocypack::Builder&) const = 0;
|
|
|
|
/// @brief return the figures for a collection
|
|
std::shared_ptr<velocypack::Builder> figures();
|
|
|
|
void figures(std::shared_ptr<arangodb::velocypack::Builder>& builder);
|
|
|
|
virtual int close() = 0;
|
|
virtual void load() = 0;
|
|
virtual void unload() = 0;
|
|
|
|
// @brief Return the number of documents in this collection
|
|
virtual uint64_t numberDocuments(transaction::Methods* trx) const = 0;
|
|
|
|
/// @brief report extra memory used by indexes etc.
|
|
virtual size_t memory() const = 0;
|
|
|
|
/// @brief opens an existing collection
|
|
virtual void open(bool ignoreErrors) = 0;
|
|
|
|
void drop();
|
|
|
|
////////////////////////////////////
|
|
// -- SECTION Indexes --
|
|
///////////////////////////////////
|
|
|
|
virtual void prepareIndexes(arangodb::velocypack::Slice indexesSlice) = 0;
|
|
|
|
bool hasIndexOfType(arangodb::Index::IndexType type) const;
|
|
|
|
/// @brief Find index by definition
|
|
virtual std::shared_ptr<Index> lookupIndex(
|
|
velocypack::Slice const&) const = 0;
|
|
|
|
/// @brief Find index by iid
|
|
std::shared_ptr<Index> lookupIndex(TRI_idx_iid_t) const;
|
|
|
|
std::vector<std::shared_ptr<Index>> getIndexes() const;
|
|
|
|
void getIndexesVPack(velocypack::Builder&, bool,
|
|
bool forPersistence = false) const;
|
|
|
|
virtual std::shared_ptr<Index> createIndex(
|
|
transaction::Methods* trx, arangodb::velocypack::Slice const& info,
|
|
bool& created) = 0;
|
|
|
|
/// @brief Restores an index from VelocyPack.
|
|
virtual int restoreIndex(transaction::Methods*, velocypack::Slice const&,
|
|
std::shared_ptr<Index>&) = 0;
|
|
|
|
virtual bool dropIndex(TRI_idx_iid_t iid) = 0;
|
|
|
|
virtual std::unique_ptr<IndexIterator> getAllIterator(
|
|
transaction::Methods* trx, ManagedDocumentResult* mdr, bool reverse) const = 0;
|
|
virtual std::unique_ptr<IndexIterator> getAnyIterator(
|
|
transaction::Methods* trx, ManagedDocumentResult* mdr) const = 0;
|
|
virtual void invokeOnAllElements(
|
|
transaction::Methods* trx,
|
|
std::function<bool(DocumentIdentifierToken const&)> callback) = 0;
|
|
|
|
////////////////////////////////////
|
|
// -- SECTION DML Operations --
|
|
///////////////////////////////////
|
|
|
|
virtual void truncate(transaction::Methods* trx,
|
|
OperationOptions& options) = 0;
|
|
|
|
virtual DocumentIdentifierToken lookupKey(
|
|
transaction::Methods*, arangodb::velocypack::Slice const&) = 0;
|
|
|
|
virtual Result read(transaction::Methods*,
|
|
arangodb::velocypack::Slice const key,
|
|
ManagedDocumentResult& result, bool) = 0;
|
|
|
|
virtual bool readDocument(transaction::Methods* trx,
|
|
DocumentIdentifierToken const& token,
|
|
ManagedDocumentResult& result) = 0;
|
|
|
|
virtual bool readDocumentWithCallback(transaction::Methods* trx,
|
|
DocumentIdentifierToken const& token,
|
|
IndexIterator::DocumentCallback const& cb) = 0;
|
|
|
|
virtual Result insert(arangodb::transaction::Methods* trx,
|
|
arangodb::velocypack::Slice const newSlice,
|
|
arangodb::ManagedDocumentResult& result,
|
|
OperationOptions& options,
|
|
TRI_voc_tick_t& resultMarkerTick, bool lock) = 0;
|
|
|
|
virtual Result update(arangodb::transaction::Methods* trx,
|
|
arangodb::velocypack::Slice const newSlice,
|
|
ManagedDocumentResult& result,
|
|
OperationOptions& options,
|
|
TRI_voc_tick_t& resultMarkerTick, bool lock,
|
|
TRI_voc_rid_t& prevRev, ManagedDocumentResult& previous,
|
|
TRI_voc_rid_t const& revisionId,
|
|
arangodb::velocypack::Slice const key) = 0;
|
|
|
|
virtual Result replace(transaction::Methods* trx,
|
|
arangodb::velocypack::Slice const newSlice,
|
|
ManagedDocumentResult& result,
|
|
OperationOptions& options,
|
|
TRI_voc_tick_t& resultMarkerTick, bool lock,
|
|
TRI_voc_rid_t& prevRev,
|
|
ManagedDocumentResult& previous,
|
|
TRI_voc_rid_t const revisionId,
|
|
arangodb::velocypack::Slice const fromSlice,
|
|
arangodb::velocypack::Slice const toSlice) = 0;
|
|
|
|
virtual Result remove(arangodb::transaction::Methods* trx,
|
|
arangodb::velocypack::Slice const slice,
|
|
arangodb::ManagedDocumentResult& previous,
|
|
OperationOptions& options,
|
|
TRI_voc_tick_t& resultMarkerTick, bool lock,
|
|
TRI_voc_rid_t const& revisionId,
|
|
TRI_voc_rid_t& prevRev) = 0;
|
|
|
|
/// @brief Defer a callback to be executed when the collection
|
|
/// can be dropped. The callback is supposed to drop
|
|
/// the collection and it is guaranteed that no one is using
|
|
/// it at that moment.
|
|
virtual void deferDropCollection(
|
|
std::function<bool(LogicalCollection*)> callback) = 0;
|
|
|
|
protected:
|
|
/// @brief Inject figures that are specific to StorageEngine
|
|
virtual void figuresSpecific(
|
|
std::shared_ptr<arangodb::velocypack::Builder>&) = 0;
|
|
|
|
// SECTION: Document pre commit preperation
|
|
|
|
/// @brief new object for insert, value must have _key set correctly.
|
|
int newObjectForInsert(transaction::Methods* trx,
|
|
velocypack::Slice const& value,
|
|
velocypack::Slice const& fromSlice,
|
|
velocypack::Slice const& toSlice,
|
|
bool isEdgeCollection, velocypack::Builder& builder,
|
|
bool isRestore) const;
|
|
|
|
/// @brief new object for remove, must have _key set
|
|
void newObjectForRemove(transaction::Methods* trx,
|
|
velocypack::Slice const& oldValue,
|
|
std::string const& rev,
|
|
velocypack::Builder& builder) const;
|
|
|
|
/// @brief merge two objects for update
|
|
void mergeObjectsForUpdate(transaction::Methods* trx,
|
|
velocypack::Slice const& oldValue,
|
|
velocypack::Slice const& newValue,
|
|
bool isEdgeCollection, std::string const& rev,
|
|
bool mergeObjects, bool keepNull,
|
|
velocypack::Builder& builder) const;
|
|
|
|
/// @brief new object for replace
|
|
void newObjectForReplace(transaction::Methods* trx,
|
|
velocypack::Slice const& oldValue,
|
|
velocypack::Slice const& newValue,
|
|
velocypack::Slice const& fromSlice,
|
|
velocypack::Slice const& toSlice,
|
|
bool isEdgeCollection, std::string const& rev,
|
|
velocypack::Builder& builder) const;
|
|
|
|
int checkRevision(transaction::Methods* trx, TRI_voc_rid_t expected,
|
|
TRI_voc_rid_t found) const;
|
|
|
|
protected:
|
|
LogicalCollection* _logicalCollection;
|
|
|
|
mutable basics::ReadWriteLock _indexesLock;
|
|
std::vector<std::shared_ptr<Index>> _indexes;
|
|
};
|
|
|
|
} // namespace arangodb
|
|
|
|
#endif
|