81 lines
2.2 KiB
C++
81 lines
2.2 KiB
C++
/*
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----
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This file is part of SECONDO.
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Copyright (C) 2004, University in Hagen, Department of Computer Science,
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Database Systems for New Applications.
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SECONDO is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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SECONDO is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with SECONDO; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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----
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//paragraph [1] Title: [{\Large \bf \begin {center}] [\end {center}}]
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//[TOC] [\tableofcontents]
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[1] Header File of the class ~PregelAlgebra~
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November 2018, J. Mende
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[TOC]
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1 Overview
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This file contains definitions of the members of class ResetPregel
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*/
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#include <ListUtils.h>
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#include "ResetPregel.h"
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#include "../../PregelAlgebra.h"
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namespace pregel {
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ListExpr ResetPregel::typeMapping(ListExpr args) {
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if (!nl->IsEmpty(args)) {
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return listutils::typeError("You must provide no arguments.");
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}
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return listutils::basicSymbol<CcBool>();
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}
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int ResetPregel::valueMapping(Word *args, Word &result, int message,
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Word &local, Supplier s) {
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result = qp->ResultStorage(s);
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PregelAlgebra::getAlgebra()->reset(true);
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((CcBool *) result.addr)->Set(true, true);
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return 0;
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}
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OperatorSpec ResetPregel::operatorSpec(
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"() -> bool",
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"#",
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"This operator resets the runtime state of the Pregel system. It does so "
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"recursively for all connected workers.",
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"query resetPregel();",
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"This operator belongs to the Pregel API."
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"It may require knowledge of the system to effectively understand and "
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"use all the operators that are provided."
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);
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Operator ResetPregel::resetPregel(
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"resetPregel",
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ResetPregel::operatorSpec.getStr(),
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ResetPregel::valueMapping,
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Operator::SimpleSelect,
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ResetPregel::typeMapping
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);
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}
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