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/* 
 * Copyright 2001-2009 Terracotta, Inc. 
 * 
 * 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.
 * 
 */

package io.logspace.jvm.agent.shaded.quartz;

import java.util.Collection;

/**
 * Provides a mechanism for obtaining client-usable handles to Scheduler
 * instances.
 * 
 * @see Scheduler
 * @see io.logspace.jvm.agent.shaded.quartz.impl.StdSchedulerFactory
 * 
 * @author James House
 */
public interface SchedulerFactory {

    /*
     * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     * 
     * Interface.
     * 
     * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     */

    /**
     * 
     * Returns a client-usable handle to a Scheduler.
     * 
     * 
     * @throws SchedulerException
     *           if there is a problem with the underlying Scheduler.
     */
    Scheduler getScheduler() throws SchedulerException;

    /**
     * 
     * Returns a handle to the Scheduler with the given name, if it exists.
     * 
     */
    Scheduler getScheduler(String schedName) throws SchedulerException;

    /**
     * 
     * Returns handles to all known Schedulers (made by any SchedulerFactory
     * within this jvm.).
     * 
     */
    Collection getAllSchedulers() throws SchedulerException;

}