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Java example source code file (ChartHorizontalBar.java)

This example Java source code file (ChartHorizontalBar.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

arraylist, builder, charthorizontalbar, component_type, data, double, equalsandhashcode, list, override, stringbuilder, stylechart, util

The ChartHorizontalBar.java Java example source code

/*
 *
 *  * Copyright 2016 Skymind,Inc.
 *  *
 *  *    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.
 *
 */
package org.deeplearning4j.ui.components.chart;

import com.fasterxml.jackson.annotation.JsonInclude;
import lombok.Data;
import lombok.EqualsAndHashCode;
import org.deeplearning4j.ui.components.chart.style.StyleChart;

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

@EqualsAndHashCode(callSuper = true)
@Data
@JsonInclude(JsonInclude.Include.NON_NULL)
public class ChartHorizontalBar extends Chart {
    public static final String COMPONENT_TYPE = "ChartHorizontalBar";

    private List<String> labels = new ArrayList<>();
    private List<Double> values = new ArrayList<>();
    private Double xmin;
    private Double xmax;

    private ChartHorizontalBar(Builder builder) {
        super(COMPONENT_TYPE, builder);
        labels = builder.labels;
        values = builder.values;
        this.xmin = builder.xMin;
        this.xmax = builder.xMax;
    }

    public ChartHorizontalBar() {
        super(COMPONENT_TYPE, null);
        //no-arg constructor for Jackson
    }


    public static class Builder extends Chart.Builder<Builder> {

        private List<String> labels = new ArrayList<>();
        private List<Double> values = new ArrayList<>();
        private Double xMin;
        private Double xMax;

        public Builder(String title, StyleChart style) {
            super(title, style);
        }

        public Builder addValue(String name, double value) {
            labels.add(name);
            values.add(value);
            return this;
        }

        public Builder addValues(List<String> names, double[] values) {
            for (int i = 0; i < names.size(); i++) {
                addValue(names.get(i), values[i]);
            }
            return this;
        }

        public Builder xMin(double xMin) {
            this.xMin = xMin;
            return this;
        }

        public Builder xMax(double xMax) {
            this.xMax = xMax;
            return this;
        }

        public Builder addValues(List<String> names, float[] values) {
            for (int i = 0; i < names.size(); i++) {
                addValue(names.get(i), values[i]);
            }
            return this;
        }

        public ChartHorizontalBar build() {
            return new ChartHorizontalBar(this);
        }
    }

    @Override
    public String toString(){
        StringBuilder sb = new StringBuilder();
        sb.append("ChartHorizontalBar(labels=");
        if(labels != null){
            sb.append(labels);
        } else {
            sb.append("[]");
        }
        sb.append(",values=");
        if(values != null){
            sb.append(values);
        } else {
            sb.append("[]");
        }
        if(xmin != null) sb.append(",xMin=").append(xmin);
        if(xmax != null) sb.append(",xMax=").append(xmax);

        sb.append(")");
        return sb.toString();
    }

}

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