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    1   /***
    2    * @(#)TaskPersistStrategy.java
    3    *
    4    * JFoxSOAF, Service-Oriented Application Framework
    5    *
    6    * Copyright(c) JFoxSOAF Team
    7    *
    8    * Licensed under the GNU LGPL, Version 2.1 (the "License");
    9    * you may not use this file except in compliance with the License.
    10   * You may obtain a copy of the License at
    11   *
    12   * http://www.gnu.org/copyleft/lesser.html
    13   *
    14   * Unless required by applicable law or agreed to in writing, software
    15   * distributed under the License is distributed on an "AS IS" BASIS,
    16   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    17   * See the License for the specific language governing permissions and
    18   * limitations under the License.
    19   *
    20   * For more information, please visit:
    21   * http://www.jfox.cn/confluence/display/JFoxSOAF/Home
    22   * http://www.huihoo.org/jfox/jfoxsoaf
    23   */
    24
    25  package org.huihoo.jfox.soaf.services.timer;
    26
    27  /***
    28   * <p>
    29   * This interface is used by the TaskScheduler if we want to implement a
    30   * strategy for persisting and reading task information.
    31   * </p>
    32   *
    33   * @author <a href="mailto:founder_chen@yahoo.com.cn">Peter Cheng </a>
    34   * @author <a href="mailto:berkovichnyc@hotmail.com">Efraim Berkovich </a>
    35   * @version $Revision: 1.1 $ $Date: 2005/05/22 06:52:07 $
    36   * @version Revision: 1.0
    37   */
    38
    39  public interface TaskPersistStrategy {
    40
    41      /***
    42       * Write an individual task to storage.
    43       *
    44       * @exception Various possible depending on strategy e.g. IOException
    45       */
    46      public void write(Task task) throws Exception;
    47
    48      /***
    49       * Delete an individual task from storage.
    50       */
    51      public void delete(Task task);
    52
    53      /***
    54       * Delete all tasks in storage.
    55       */
    56      public void deleteAll();
    57
    58      /***
    59       * Read all the tasks in storage
    60       *
    61       * @return array of Tasks
    62       * @exception Various possible depending on strategy e.g. IOException
    63       */
    64      public Task[] readAll() throws Exception;
    65
    66  }