de.hsheilbronn.mi.domain.SvmMetaInformationImpl.java Source code

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Here is the source code for de.hsheilbronn.mi.domain.SvmMetaInformationImpl.java

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/*-
 * ========================LICENSE_START=================================
 * zlibsvm-core
 * %%
 * Copyright (C) 2014 - 2017 Heilbronn University - Medical Informatics
 * %%
 * Licensed 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.
 * =========================LICENSE_END==================================
 */
package de.hsheilbronn.mi.domain;

import de.hsheilbronn.mi.configuration.SvmConfiguration;
import libsvm.svm_model;
import org.apache.commons.lang3.ArrayUtils;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

/**
 * @author rz
 */
public class SvmMetaInformationImpl implements SvmMetaInformation {
    private svm_model svmModel;
    private SvmConfiguration svmConfiguration;
    private final String modelName;

    public SvmMetaInformationImpl(NativeSvmModelWrapper svmModel, SvmConfiguration svmConfiguration,
            String modelName) {
        this.svmModel = svmModel.svmModel;
        this.svmConfiguration = svmConfiguration;
        this.modelName = modelName;
    }

    @Override
    public String getModelName() {
        return modelName;
    }

    @Override
    public SvmConfiguration getSvmConfiguration() {
        return svmConfiguration;
    }

    @Override
    public int getNumberOfClasses() {
        return svmModel.nr_class;
    }

    @Override
    public int getAmountOfSupportVectors() {
        return svmModel.l;
    }

    @Override
    public List<Double> getRhoConstants() {
        return svmModel.rho == null ? new ArrayList<>() : Arrays.asList((ArrayUtils.toObject((svmModel.rho))));
    }

    @Override
    public List<Integer> getLabelForEachClass() {
        //in one-class svm case, NO class labels are set while processing
        if (svmModel.label == null) {
            return new ArrayList<>();
        } else {
            return Arrays.asList((ArrayUtils.toObject((svmModel.label))));
        }
    }

    @Override
    public List<Double> getProbabilityA() {
        return svmModel.probA == null ? new ArrayList<>() : Arrays.asList((ArrayUtils.toObject((svmModel.probA))));
    }

    @Override
    public List<Double> getProbabilityB() {
        return svmModel.probB == null ? new ArrayList<>() : Arrays.asList((ArrayUtils.toObject((svmModel.probB))));
    }

    @Override
    public List<Integer> getNumberOfSupportVectorsForEachClass() {
        return svmModel.nSV == null ? new ArrayList<>() : Arrays.asList((ArrayUtils.toObject((svmModel.nSV))));
    }

    @Override
    public void setSvmConfiguration(SvmConfiguration svmConfiguration) {
        this.svmConfiguration = svmConfiguration;
    }

    @Override
    public void setNumberOfClasses(int numberOfClasses) {
        svmModel.nr_class = numberOfClasses;
    }

    @Override
    public void setAmountOfSupportVectors(int amountOfSupportVectors) {
        svmModel.l = amountOfSupportVectors;
    }

    @Override
    public void setRhoConstants(List<Double> rhoConstants) {
        svmModel.rho = (ArrayUtils.toPrimitive(rhoConstants.toArray(new Double[rhoConstants.size()])));
    }

    @Override
    public void setLabelForEachClass(List<Integer> labelForEachClass) {
        svmModel.label = (ArrayUtils.toPrimitive(labelForEachClass.toArray(new Integer[labelForEachClass.size()])));
    }

    @Override
    public void setProbabilityA(List<Double> probabilityA) {
        svmModel.probA = (ArrayUtils.toPrimitive(probabilityA.toArray(new Double[probabilityA.size()])));
    }

    @Override
    public void setProbabilityB(List<Double> probabilityB) {
        svmModel.probB = (ArrayUtils.toPrimitive(probabilityB.toArray(new Double[probabilityB.size()])));
    }

    @Override
    public void setNumberOfSupportVectorsForEachClass(List<Integer> numberOfSupportVectorsForEachClass) {
        svmModel.nSV = (ArrayUtils.toPrimitive(numberOfSupportVectorsForEachClass
                .toArray(new Integer[numberOfSupportVectorsForEachClass.size()])));
    }

    @Override
    public boolean equals(Object o) {
        if (this == o)
            return true;
        if (o == null || getClass() != o.getClass())
            return false;

        SvmMetaInformationImpl that = (SvmMetaInformationImpl) o;

        if (modelName != null ? !modelName.equals(that.modelName) : that.modelName != null)
            return false;

        return true;
    }

    @Override
    public int hashCode() {
        return modelName != null ? modelName.hashCode() : 0;
    }
}