/**

  * Copyright 2005-2011 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.opensource.org/licenses/ecl2.php

  *

  * 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.rice.core.api.mo.common.active;

 import org.joda.time.DateTime;

 import java.sql.Timestamp;

 /**

  * This interface can be used to identify a model object which has an

  * "active range" such that an object is only active with a certain

  * temporal range.

  *

  * @author Kuali Rice Team (rice.collab@kuali.org)

  */

 public interface InactivatableFromTo {

     /**

          * Gets the date for which the record become active. Can be null.

          *

          * @return Timestamp of active from date

          */

         DateTime getActiveFromDate();

         /**

          * Gets the date for which the record become inactive. Can be null.

          *

          * @return Timestamp of active to date

          */

         DateTime getActiveToDate();

     /**

      * Returns if the record is active for a given Time.

      * If the activeAsOfDate is null will return null.

      *

      * @return true if active false if not

      */

     boolean isActive(DateTime activeAsOfDate);

 }