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arangodb/arangod/Aql/ExecutionStats.cpp

107 lines
4.1 KiB
C++

////////////////////////////////////////////////////////////////////////////////
/// @brief Aql, execution statistics
///
/// @file
///
/// DISCLAIMER
///
/// Copyright 2014 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
/// @author Copyright 2014, ArangoDB GmbH, Cologne, Germany
/// @author Copyright 2012-2013, triAGENS GmbH, Cologne, Germany
////////////////////////////////////////////////////////////////////////////////
#include "Aql/ExecutionStats.h"
#include "Basics/Exceptions.h"
using namespace triagens::aql;
using Json = triagens::basics::Json;
using JsonHelper = triagens::basics::JsonHelper;
// -----------------------------------------------------------------------------
// --SECTION-- public methods
// -----------------------------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
/// @brief convert the statistics to JSON
////////////////////////////////////////////////////////////////////////////////
Json ExecutionStats::toJson () const {
Json json(Json::Object, 5);
json.set("writesExecuted", Json(static_cast<double>(writesExecuted)));
json.set("writesIgnored", Json(static_cast<double>(writesIgnored)));
json.set("scannedFull", Json(static_cast<double>(scannedFull)));
json.set("scannedIndex", Json(static_cast<double>(scannedIndex)));
json.set("filtered", Json(static_cast<double>(filtered)));
if (fullCount > -1) {
// fullCount is exceptional. it has a default value of -1 and is
// not reported with this value
json.set("fullCount", Json(static_cast<double>(fullCount)));
}
return json;
}
Json ExecutionStats::toJsonStatic () {
Json json(Json::Object, 7);
json.set("writesExecuted", Json(0.0));
json.set("writesIgnored", Json(0.0));
json.set("scannedFull", Json(0.0));
json.set("scannedIndex", Json(0.0));
json.set("filtered", Json(0.0));
json.set("fullCount", Json(-1.0));
json.set("static", Json(0.0));
return json;
}
ExecutionStats::ExecutionStats()
:writesExecuted(0),
writesIgnored(0),
scannedFull(0),
scannedIndex(0),
filtered(0),
fullCount(-1) {
}
ExecutionStats::ExecutionStats (triagens::basics::Json const& jsonStats) {
if (! jsonStats.isObject()) {
THROW_ARANGO_EXCEPTION_MESSAGE(TRI_ERROR_INTERNAL, "stats is not an object");
}
writesExecuted = JsonHelper::checkAndGetNumericValue<int64_t>(jsonStats.json(), "writesExecuted");
writesIgnored = JsonHelper::checkAndGetNumericValue<int64_t>(jsonStats.json(), "writesIgnored");
scannedFull = JsonHelper::checkAndGetNumericValue<int64_t>(jsonStats.json(), "scannedFull");
scannedIndex = JsonHelper::checkAndGetNumericValue<int64_t>(jsonStats.json(), "scannedIndex");
filtered = JsonHelper::checkAndGetNumericValue<int64_t>(jsonStats.json(), "filtered");
// note: fullCount is an optional attribute!
fullCount = JsonHelper::getNumericValue<int64_t>(jsonStats.json(), "fullCount", -1);
}
// -----------------------------------------------------------------------------
// --SECTION-- END-OF-FILE
// -----------------------------------------------------------------------------
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