| /** |
| * 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.activemq.tool.reports; |
| |
| import java.util.Iterator; |
| import java.util.List; |
| |
| public final class PerformanceStatisticsUtil { |
| private PerformanceStatisticsUtil() { |
| } |
| |
| public static long getSum(List numList) { |
| long sum = 0; |
| if (numList != null) { |
| for (Iterator i = numList.iterator(); i.hasNext();) { |
| sum += ((Long)i.next()).longValue(); |
| } |
| } else { |
| sum = -1; |
| } |
| return sum; |
| } |
| |
| public static long getMin(List numList) { |
| long min = Long.MAX_VALUE; |
| if (numList != null) { |
| for (Iterator i = numList.iterator(); i.hasNext();) { |
| min = Math.min(((Long)i.next()).longValue(), min); |
| } |
| } else { |
| min = -1; |
| } |
| return min; |
| } |
| |
| public static long getMax(List numList) { |
| long max = Long.MIN_VALUE; |
| if (numList != null) { |
| for (Iterator i = numList.iterator(); i.hasNext();) { |
| max = Math.max(((Long)i.next()).longValue(), max); |
| } |
| } else { |
| max = -1; |
| } |
| return max; |
| } |
| |
| public static double getAve(List numList) { |
| double ave; |
| if (numList != null) { |
| int sampleCount = 0; |
| long totalTP = 0; |
| for (Iterator i = numList.iterator(); i.hasNext();) { |
| sampleCount++; |
| totalTP += ((Long)i.next()).longValue(); |
| } |
| return (double)totalTP / (double)sampleCount; |
| } else { |
| ave = -1; |
| } |
| return ave; |
| } |
| |
| public static double getAveEx(List numList) { |
| double ave; |
| long minTP = getMin(numList); |
| long maxTP = getMax(numList); |
| if (numList != null) { |
| int sampleCount = 0; |
| long totalTP = 0; |
| long sampleTP; |
| for (Iterator i = numList.iterator(); i.hasNext();) { |
| sampleCount++; |
| sampleTP = ((Long)i.next()).longValue(); |
| if (sampleTP != minTP && sampleTP != maxTP) { |
| totalTP += sampleTP; |
| } |
| } |
| return (double)totalTP / (double)sampleCount; |
| } else { |
| ave = -1; |
| } |
| return ave; |
| } |
| |
| } |