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arangodb/lib/ApplicationFeatures/DatabaseFeature.cpp

74 lines
2.7 KiB
C++

////////////////////////////////////////////////////////////////////////////////
/// DISCLAIMER
///
/// Copyright 2016 ArangoDB 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
////////////////////////////////////////////////////////////////////////////////
#include "ApplicationFeatures/DatabaseFeature.h"
#include "Logger/Logger.h"
#include "ProgramOptions2/ProgramOptions.h"
#include "ProgramOptions2/Section.h"
using namespace arangodb;
using namespace arangodb::options;
DatabaseFeature::DatabaseFeature(
application_features::ApplicationServer* server,
uint64_t maximalJournalSize)
: ApplicationFeature(server, "DatabaseFeature"),
_directory(""),
_maximalJournalSize(maximalJournalSize),
_queryTracking(true),
_queryCacheMode("off"),
_queryCacheEntries(128) {
setOptional(false);
requiresElevatedPrivileges(false);
startsAfter("LoggerFeature");
}
void DatabaseFeature::collectOptions(std::shared_ptr<ProgramOptions> options) {
LOG_TOPIC(TRACE, Logger::STARTUP) << name() << "::collectOptions";
options->addSection(Section("database", "Configure the database",
"database options", false, false));
options->addOption("--database.directory", "path to the database directory",
new StringParameter(&_directory));
options->addOption("--database.maximal-journal-size",
"default maximal journal size, can be overwritten when "
"creating a collection",
new UInt64Parameter(&_maximalJournalSize));
options->addSection(
Section("query", "Configure queries", "query options", false, false));
options->addOption("--query.tracking", "wether to track queries",
new BooleanParameter(&_queryTracking));
options->addOption("--query.cache-mode",
"mode for the AQL query cache (on, off, demand)",
new StringParameter(&_queryCacheMode));
options->addOption("--query.cache-entries",
"maximum number of results in query cache per database",
new UInt64Parameter(&_queryCacheEntries));
}