mirror of https://gitee.com/bigwinds/arangodb
51 lines
1.9 KiB
C++
51 lines
1.9 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
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/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is ArangoDB GmbH, Cologne, Germany
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///
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/// @author Jan Steemann
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////////////////////////////////////////////////////////////////////////////////
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#include "MMFilesIndexLookupContext.h"
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#include "MMFiles/MMFilesCollection.h"
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#include "VocBase/LogicalCollection.h"
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#include "VocBase/ManagedDocumentResult.h"
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using namespace arangodb;
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MMFilesIndexLookupContext::MMFilesIndexLookupContext(transaction::Methods* trx,
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LogicalCollection* collection,
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ManagedDocumentResult* result,
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size_t numFields)
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: _trx(trx), _collection(collection), _result(result), _numFields(numFields) {
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TRI_ASSERT(_trx != nullptr);
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TRI_ASSERT(_collection != nullptr);
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// note: _result can be a nullptr
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}
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uint8_t const* MMFilesIndexLookupContext::lookup(LocalDocumentId token) const {
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TRI_ASSERT(_result != nullptr);
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try {
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if (static_cast<MMFilesCollection*>(_collection->getPhysical())->readDocument(_trx, token, *_result)) {
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return _result->vpack();
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}
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} catch (...) {
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}
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return nullptr;
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}
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