1 /******************************************************************************* 2 * Copyright (c) 2009, 2017 Mountainminds GmbH & Co. KG and Contributors 3 * All rights reserved. This program and the accompanying materials 4 * are made available under the terms of the Eclipse Public License v1.0 5 * which accompanies this distribution, and is available at 6 * http://www.eclipse.org/legal/epl-v10.html 7 * 8 * Contributors: 9 * Marc R. Hoffmann - initial API and implementation 10 * 11 *******************************************************************************/ 12 package org.jacoco.core.runtime; 13 14 import java.util.Random; 15 16 /** 17 * Base {@link IRuntime} implementation. 18 */ 19 public abstract class AbstractRuntime implements IRuntime { 20 21 /** access to the runtime data */ 22 protected RuntimeData data; 23 24 /** 25 * Subclasses must call this method when overwriting it. 26 */ startup(final RuntimeData data)27 public void startup(final RuntimeData data) throws Exception { 28 this.data = data; 29 } 30 31 private static final Random RANDOM = new Random(); 32 33 /** 34 * Creates a random session identifier. 35 * 36 * @return random session identifier 37 */ createRandomId()38 public static String createRandomId() { 39 return Integer.toHexString(RANDOM.nextInt()); 40 } 41 42 } 43