# TaskSchedulerFactory.java

    /*
     *  Licensed to the Apache Software Foundation (ASF) under one
     *  or more contributor license agreements.  See the NOTICE file
     *  distributed with this work for additional information
     *  regarding copyright ownership.  The ASF licenses this file
     *  to you 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 org.apache.synapse.task;

    import java.util.HashMap;
    import java.util.Map;

    /**
     * Factory method for retrieve / create a TaskScheduler
     */
    public class TaskSchedulerFactory {

        private final static Map<String, TaskScheduler> MAP = new HashMap<String, TaskScheduler>();

        private TaskSchedulerFactory() {
        }

        /**
         * Returns a TaskScheduler whose name is match with given name.
         * There is an only one instance of TaskScheduler for a given name as Factory caches
         *
         * @param name Name of the TaskScheduler
         * @return TaskScheduler instance
         */
        public static TaskScheduler getTaskScheduler(String name) {

            if (name == null || "".equals(name)) {
                throw new SynapseTaskException("Name cannot be found.");
            }

            TaskScheduler taskScheduler = MAP.get(name);
            if (taskScheduler == null) {
                taskScheduler = new TaskScheduler(name);
                MAP.put(name, taskScheduler);
            }

            return taskScheduler;
        }
    }