001/*
002 *  This file is part of the Jikes RVM project (http://jikesrvm.org).
003 *
004 *  This file is licensed to You under the Eclipse Public License (EPL);
005 *  You may not use this file except in compliance with the License. You
006 *  may obtain a copy of the License at
007 *
008 *      http://www.opensource.org/licenses/eclipse-1.0.php
009 *
010 *  See the COPYRIGHT.txt file distributed with this work for information
011 *  regarding copyright ownership.
012 */
013package org.jikesrvm.adaptive.database;
014
015import org.jikesrvm.adaptive.measurements.instrumentation.MethodInvocationCounterData;
016import org.jikesrvm.adaptive.measurements.instrumentation.StringEventCounterData;
017import org.jikesrvm.adaptive.measurements.instrumentation.YieldpointCounterData;
018import org.jikesrvm.adaptive.util.AOSOptions;
019
020/**
021 * Used to keep track of the various data structures that make up the
022 * AOS database.
023 */
024public final class AOSDatabase {
025  /*
026   * Static links to data objects that are "whole-program" (as opposed
027   * to per-method)
028   */
029  public static MethodInvocationCounterData methodInvocationCounterData;
030  public static YieldpointCounterData yieldpointCounterData;
031  public static StringEventCounterData instructionCounterData;
032  public static StringEventCounterData debuggingCounterData;
033
034  /**
035   * This method provides a hook to do initialization and is
036   * intentionally empty by default.
037   *
038   * @param options unused by default
039   */
040  public static void boot(AOSOptions options) {
041  }
042}