mirror of https://gitee.com/bigwinds/arangodb
101 lines
3.2 KiB
C++
101 lines
3.2 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// @brief index watermarks
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///
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/// @file
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///
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/// DISCLAIMER
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///
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/// Copyright 2014 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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/// @author Copyright 2014, ArangoDB GmbH, Cologne, Germany
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/// @author Copyright 2011-2013, triAGENS GmbH, Cologne, Germany
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////////////////////////////////////////////////////////////////////////////////
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#if 0
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#include "IndexWatermarks.h"
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using namespace triagens::arango;
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// -----------------------------------------------------------------------------
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// --SECTION-- struct IndexWatermarks
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// -----------------------------------------------------------------------------
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// -----------------------------------------------------------------------------
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// --SECTION-- static initializers
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// -----------------------------------------------------------------------------
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double IndexWatermarks::DefaultInitialFillFactor = 0.5;
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double IndexWatermarks::DefaultLowWatermark = 0.0;
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double IndexWatermarks::DefaultHighWatermark = 0.0;
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// -----------------------------------------------------------------------------
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// --SECTION-- public methods
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// -----------------------------------------------------------------------------
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void IndexWatermarks::SetDefaults (IndexWatermarks const& other) {
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auto initialFillFactor = other.initialFillFactor;
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if (initialFillFactor < 0.05) {
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initialFillFactor = 0.05;
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}
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else if (initialFillFactor > 0.90) {
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initialFillFactor = 0.90;
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}
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DefaultInitialFillFactor = initialFillFactor;
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auto lowWatermark = other.lowWatermark;
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if (lowWatermark < 0.0) {
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lowWatermark = 0.0;
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}
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else if (lowWatermark > 0.95) {
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lowWatermark = 0.95;
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}
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DefaultLowWatermark = lowWatermark;
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auto highWatermark = other.highWatermark;
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if (highWatermark < 0.0) {
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highWatermark = 0.0;
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}
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else if (highWatermark > 0.95) {
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highWatermark = 0.95;
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}
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if (lowWatermark >= highWatermark) {
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highWatermark = lowWatermark + 0.01;
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}
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DefaultHighWatermark = highWatermark;
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}
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#endif
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// -----------------------------------------------------------------------------
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// --SECTION-- END-OF-FILE
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// -----------------------------------------------------------------------------
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// Local Variables:
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// mode: outline-minor
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// outline-regexp: "/// @brief\\|/// {@inheritDoc}\\|/// @page\\|// --SECTION--\\|/// @\\}"
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// End:
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