code: /**
   * This file is part of Eclipse Steady.
   *
   * 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.
   *
   * SPDX-License-Identifier: Apache-2.0
   * SPDX-FileCopyrightText: Copyright (c) 2018-2020 SAP SE or an SAP affiliate company and Eclipse Steady contributors
   */
  package org.eclipse.steady.shared.json.model.metrics;
  
  import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
  import com.fasterxml.jackson.annotation.JsonInclude;
  
  /**
   * Percentage metrics. Compared to {@link Ratio}, it does not have a counter and total from which
   * the percentage is computed.
   */
  @JsonInclude(JsonInclude.Include.ALWAYS)
  @JsonIgnoreProperties(ignoreUnknown = true)
  public class Percentage extends AbstractMetric {
  
    private double percentage;
  
    /**
     * <p>Constructor for Percentage.</p>
     */
    public Percentage() {
      this(null, 0);
    }
  
    /**
     * <p>Constructor for Percentage.</p>
     *
     * @param _name a {@link java.lang.String} object.
     * @param _percentage a double.
     */
    public Percentage(String _name, double _percentage) {
      super(_name);
      this.setPercentage(_percentage);
    }
  
    /**
     * Sets the metric.
     *
     * @param percentage a double.
     * @throws java.lang.IllegalArgumentException if the value is LT 0 or GT 1
     */
    public void setPercentage(double percentage) throws IllegalArgumentException {
      if (percentage < 0 || percentage > 1)
        throw new IllegalArgumentException("Expected percentage, got [" + percentage + "]");
      this.percentage = percentage;
    }
  
    /**
     * <p>Getter for the field <code>percentage</code>.</p>
     *
     * @return a double.
     */
    public double getPercentage() {
      return this.percentage;
    }
  }
  