JMeter example source code file (RateRenderer.java)

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

Java - JMeter tags/keywords

double, double, n/a, n/a, numberrenderer, override, raterenderer, raterenderer, string, todo, todo

The JMeter RateRenderer.java 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.jorphan.gui;

/**
 * Renders a rate in a JTable.
 *
 * The output is in units appropriate to its dimension:
 * <p>
 * The number is represented in one of:
 * - requests/second
 * - requests/minute
 * - requests/hour.
 * <p>
 * Examples: "34.2/sec" "0.1/sec" "43.0/hour" "15.9/min"
 */
public class RateRenderer extends NumberRenderer{

    private static final long serialVersionUID = 240L;

    public RateRenderer(String format) {
        super(format);
    }

    @Override
    public void setValue(Object value) {
        if (value == null || ! (value instanceof Double)) {
            setText("#N/A"); // TODO: should this just call super()?
            return;
        }
        double rate = ((Double) value).doubleValue();
        if (rate == Double.MAX_VALUE){
            setText("#N/A"); // TODO: should this just call super()?
            return;
        }

        String unit = "sec";

        if (rate < 1.0) {
            rate *= 60.0;
            unit = "min";
        }
        if (rate < 1.0) {
            rate *= 60.0;
            unit = "hour";
        }
        setText(formatter.format(rate) + "/" + unit);
    }
}