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Java example source code file (LeastSquaresAdapter.java)

This example Java source code file (LeastSquaresAdapter.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

convergencechecker, evaluation, incrementor, leastsquaresadapter, leastsquaresproblem, realvector

The LeastSquaresAdapter.java Java example source code

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.commons.math3.fitting.leastsquares;

import org.apache.commons.math3.linear.RealVector;
import org.apache.commons.math3.optim.ConvergenceChecker;
import org.apache.commons.math3.util.Incrementor;

/**
 * An adapter that delegates to another implementation of {@link LeastSquaresProblem}.
 *
 * @since 3.3
 */
public class LeastSquaresAdapter implements LeastSquaresProblem {

    /** the delegate problem */
    private final LeastSquaresProblem problem;

    /**
     * Delegate the {@link LeastSquaresProblem} interface to the given implementation.
     *
     * @param problem the delegate
     */
    public LeastSquaresAdapter(final LeastSquaresProblem problem) {
        this.problem = problem;
    }

    /** {@inheritDoc} */
    public RealVector getStart() {
        return problem.getStart();
    }

    /** {@inheritDoc} */
    public int getObservationSize() {
        return problem.getObservationSize();
    }

    /** {@inheritDoc} */
    public int getParameterSize() {
        return problem.getParameterSize();
    }

    /** {@inheritDoc}
     * @param point*/
    public Evaluation evaluate(final RealVector point) {
        return problem.evaluate(point);
    }

    /** {@inheritDoc} */
    public Incrementor getEvaluationCounter() {
        return problem.getEvaluationCounter();
    }

    /** {@inheritDoc} */
    public Incrementor getIterationCounter() {
        return problem.getIterationCounter();
    }

    /** {@inheritDoc} */
    public ConvergenceChecker<Evaluation> getConvergenceChecker() {
        return problem.getConvergenceChecker();
    }
}

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