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arangodb/arangod/RestHandler/RestDocumentHandler.h

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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 Dr. Frank Celler
////////////////////////////////////////////////////////////////////////////////
#ifndef ARANGOD_REST_HANDLER_REST_DOCUMENT_HANDLER_H
#define ARANGOD_REST_HANDLER_REST_DOCUMENT_HANDLER_H 1
#include "Basics/Common.h"
#include "RestHandler/RestVocbaseBaseHandler.h"
#include "Utils/SingleCollectionTransaction.h"
namespace arangodb {
namespace transaction {
class Methods;
}
class RestDocumentHandler : public RestVocbaseBaseHandler {
public:
RestDocumentHandler(application_features::ApplicationServer&, GeneralRequest*,
GeneralResponse*);
~RestDocumentHandler();
public:
RestStatus execute() override final;
char const* name() const override final { return "RestDocumentHandler"; }
RequestLane lane() const override final {
bool isSyncReplication = false;
// We do not care for the real value, enough if it is there.
std::ignore = _request->value(StaticStrings::IsSynchronousReplicationString,
isSyncReplication);
if (isSyncReplication) {
return RequestLane::CLIENT_FAST;
}
return RequestLane::CLIENT_SLOW;
}
void shutdownExecute(bool isFinalized) noexcept override final;
protected:
std::string forwardingTarget() override final;
private:
// inserts a document
RestStatus insertDocument();
// reads a single or all documents
RestStatus readDocument();
// reads a single document
RestStatus readSingleDocument(bool generateBody);
// reads multiple documents
RestStatus readManyDocuments();
// reads a single document head
RestStatus checkDocument();
// replaces a document
RestStatus replaceDocument();
// updates a document
RestStatus updateDocument();
// helper function for replace and update
RestStatus modifyDocument(bool);
// removes a document
RestStatus removeDocument();
private:
std::unique_ptr<transaction::Methods> _activeTrx;
};
} // namespace arangodb
#endif