/**

  * Copyright 2010 The Kuali Foundation Licensed under the

  * Educational Community 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.osedu.org/licenses/ECL-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.kuali.student.core.academiccalendar.infc;

 import java.util.Date;

 import org.kuali.student.common.infc.KeyEntity;

 /**

  * Information about a key date. A key date may represent a single

  * point in time or a range depending on the value of isDateRange().

  *

  * @Author tom

  * @Since Tue Apr 05 14:22:34 EDT 2011

  */ 

 public interface KeyDate extends KeyEntity {

     /**

      * Name: Is Date Range

      * Tests if this key date has a date range. 

      *

      * @return true if the end date is different than the start date,

      *         false if the start end end date ar ethe same

      */

     public Boolean getIsDateRange();

     /**

      * Name: Start Date

      * The start date and time of the key date.

      *

      * @return the key date start date 

      */

     public Date getStartDate();

     /**

      * Name: End Date 

      * The end date and time of the key date. The end

      * date must be equal to or greater that the start.

      *

      * @return the key date end date

      */

     public Date getEndDate();

 }