1 /* 2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. 3 * 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 5 * 6 * The contents of this file are subject to the terms of either the Universal Permissive License 7 * v 1.0 as shown at http://oss.oracle.com/licenses/upl 8 * 9 * or the following license: 10 * 11 * Redistribution and use in source and binary forms, with or without modification, are permitted 12 * provided that the following conditions are met: 13 * 14 * 1. Redistributions of source code must retain the above copyright notice, this list of conditions 15 * and the following disclaimer. 16 * 17 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of 18 * conditions and the following disclaimer in the documentation and/or other materials provided with 19 * the distribution. 20 * 21 * 3. Neither the name of the copyright holder nor the names of its contributors may be used to 22 * endorse or promote products derived from this software without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR 25 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 26 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 27 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 30 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY 31 * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 package org.openjdk.jmc.common.test.mock.item; 34 35 import java.text.NumberFormat; 36 import java.util.Random; 37 38 import org.openjdk.jmc.common.IMCStackTrace; 39 import org.openjdk.jmc.common.item.IItemCollection; 40 41 public class MockCollections { 42 public static IItemCollection getNumberCollection(Number[] values) { 43 return new MockItemCollection<Number, MockNumberType>(values, new MockNumberType()); 44 } 45 46 /** 47 * Will contain the exact same array of n number of double values between 0 and X between 48 * invocations. 49 */ 50 public static Number[] generateNumberArray(int n, double x) { 51 Number[] array = new Number[n]; 52 Random RND = new Random(4711); 53 for (int i = 0; i < array.length; i++) { 54 array[i] = RND.nextDouble() * x; 55 } 56 return array; 57 } 58 59 /** 60 * Used to verify statistical calculations in external application. 61 */ 62 public static String generateFullPrecisionString(Number[] values) { 63 NumberFormat formatter = NumberFormat.getInstance(); 64 formatter.setMaximumFractionDigits(340); 65 StringBuilder builder = new StringBuilder(); 66 for (int i = 0; i < values.length; i++) { 67 builder.append(formatter.format(values[i])); 68 builder.append("\n"); 69 } 70 return builder.toString(); 71 } 72 73 public static IItemCollection getStackTraceCollection(IMCStackTrace[] traces) { 74 return new MockItemCollection<IMCStackTrace, MockStacktraceType>(traces, new MockStacktraceType()); 75 } 76 77 public static void main(String[] args) { 78 System.out.println(generateFullPrecisionString(generateNumberArray(5, 5))); 79 } 80 }