/*  * Copyright 2004-2005 OpenSymphony  *  * Licensed 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. *  *//* * Previously Copyright (c) 2001-2004 James House */package org.quartz;import java.io.Serializable;import java.util.Map;import org.quartz.utils.StringKeyDirtyFlagMap;/** * <p> * Holds context/environment data that can be made available to Jobs as they * are executed. This feature is much like the ServletContext feature when * working with J2EE servlets. * </p> *  * <p> * Future versions of Quartz may make distinctions on how it propogates * data in <code>SchedulerContext</code> between instances of proxies to a  * single scheduler instance - i.e. if Quartz is being used via RMI. * </p> *   * @see Scheduler#getContext *  * @author James House */public class SchedulerContext extends StringKeyDirtyFlagMap implements Serializable {    /**     * Create an empty <code>SchedulerContext</code>.     */    public SchedulerContext() {        super(15);    }    /**     * Create a <code>SchedulerContext</code> with the given data.     */    public SchedulerContext(Map map) {        this();        putAll(map);    }}