81 lines
2.1 KiB
C++
81 lines
2.1 KiB
C++
/*
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----
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This file is part of SECONDO.
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Copyright (C) 2015,
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Faculty of Mathematics and 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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*/
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#include "Distribution.h"
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#include "QuadTreeDistributionType.h"
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#include <sstream>
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namespace KVS {
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Distribution* Distribution::getInstance(const std::string& data) {
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std::stringstream strData(data);
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int type;
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strData.read((char*)&type, sizeof(type));
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Distribution* dist = 0;
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if (type == TYPE_QUADTREE) {
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dist = new QuadTreeDistribution();
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} else {
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return 0;
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}
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if (dist->fromBin(data)) {
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return dist;
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} else {
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delete dist;
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return 0;
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}
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}
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const bool Distribution::checkType(const ListExpr type) {
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return QuadTreeDistributionType::checkType(type);
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}
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void Distribution::addUpdateListener(DistributionUpdateListener* listener) {
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updateListener.push_back(listener);
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}
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void Distribution::removeUpdateListener(DistributionUpdateListener* listener) {
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for (unsigned int listenerIdx = 0; listenerIdx < updateListener.size();
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++listenerIdx) {
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if (updateListener[listenerIdx] == listener) {
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updateListener.erase(updateListener.begin() + listenerIdx);
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return;
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}
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}
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}
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void Distribution::distributionUpdated() {
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for (unsigned int listenerIdx = 0; listenerIdx < updateListener.size();
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++listenerIdx) {
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updateListener[listenerIdx]->distributionUpdated();
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}
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}
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bool Distribution::needsSynchronisation() { return needsSync; }
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}
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