content: /*******************************************************************************
   * Copyright (c) 2009, 2019 Mountainminds GmbH & Co. KG and Contributors
   * All rights reserved. This program and the accompanying materials
   * are made available under the terms of the Eclipse Public License v1.0
   * which accompanies this distribution, and is available at
   * http://www.eclipse.org/legal/epl-v10.html
   *
   * Contributors:
   *    Marc R. Hoffmann - initial API and implementation
   *    
   *******************************************************************************/
  package org.jacoco.core.runtime;
  
  import java.util.Random;
  
  /**
   * Base {@link IRuntime} implementation.
   */
  public abstract class AbstractRuntime implements IRuntime {
  
  	/** access to the runtime data */
  	protected RuntimeData data;
  
  	/**
  	 * Subclasses must call this method when overwriting it.
  	 */
  	public void startup(final RuntimeData data) throws Exception {
  		this.data = data;
  	}
  
  	private static final Random RANDOM = new Random();
  
  	/**
  	 * Creates a random session identifier.
  	 * 
  	 * @return random session identifier
  	 */
  	public static String createRandomId() {
  		return Integer.toHexString(RANDOM.nextInt());
  	}
  
  }
  