/*
* Concept profile generation tool suite
* Copyright (C) 2015 Biosemantics Group, Erasmus University Medical Center,
* Rotterdam, The Netherlands
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
*/
package org.erasmusmc.math.vector;
public class ParallelVectorCursor<D> {
protected VectorCursor<D> masterCursor;
protected VectorSlaveCursor<D> slaveCursor;
public VectorHandle<D> lhs, rhs;
public ParallelVectorCursor(VectorCursor<D> masterCursor, VectorSlaveCursor<D> slaveCursor, boolean swap) {
this.masterCursor = masterCursor;
this.slaveCursor = slaveCursor;
if (swap) {
lhs = slaveCursor;
rhs = masterCursor;
}
else {
lhs = masterCursor;
rhs = slaveCursor;
}
if (masterCursor.isValid())
slaveCursor.synchronize(masterCursor);
}
public boolean isValid() {
return masterCursor.isValid();
}
public void next() {
masterCursor.next();
if (masterCursor.isValid())
slaveCursor.synchronize(masterCursor);
}
}