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/**
* Description: provide the location and encoded goodness information
*
* Author Create/Modi Note
* Xiaofeng Xie Mar 1, 2003
* Xiaofeng Xie May 11, 2004
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* Please acknowledge the author(s) if you use this code in any way.
*/
package net.adaptivebox.knowledge;
import net.adaptivebox.encode.IEncodeEngine;
import net.adaptivebox.global.BasicBound;
import net.adaptivebox.space.BasicPoint;
public class SearchPoint extends BasicPoint implements IEncodeEngine {
// store the encode information for goodness evaluation
// encodeInfo[0]: the sum of constraints (if it equals to 0, then be a feasible point)
// encodeInfo[1]: the value of objective function
private final double[] encodeInfo = new double[2];
private double objectiveValue;
public SearchPoint(int dim) {
super(dim);
for (int i = 0; i < encodeInfo.length; i++) {
encodeInfo[i] = BasicBound.MAXDOUBLE;
}
}
public double[] getEncodeInfo() {
return encodeInfo;
}
private void importEncodeInfo(double[] info) {
System.arraycopy(info, 0, encodeInfo, 0, encodeInfo.length);
}
private void importEncodeInfo(IEncodeEngine point) {
importEncodeInfo(point.getEncodeInfo());
}
// Replace self by given point
public void importPoint(SearchPoint point) {
importLocation(point);
importEncodeInfo(point);
setObjectiveValue(point.getObjectiveValue());
}
public double getObjectiveValue() {
return objectiveValue;
}
public void setObjectiveValue(double objectiveValue) {
this.objectiveValue = objectiveValue;
}
public boolean isFeasible() {
return encodeInfo[0] == 0; // no constraint violations
}
}
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