/**
* This Source Code Form is subject to the terms of the Mozilla Public License,
* v. 2.0. If a copy of the MPL was not distributed with this file, You can
* obtain one at http://mozilla.org/MPL/2.0/. OpenMRS is also distributed under
* the terms of the Healthcare Disclaimer located at http://openmrs.org/license.
*
* Copyright (C) OpenMRS Inc. OpenMRS is a registered trademark and the OpenMRS
* graphic logo is a trademark of OpenMRS Inc.
*/
package org.openmrs.logic.op;
/**
* The Before operator works with a date object to tests whether an expression will yield result
* before a certain date position.<br>
* <br>
* Example: <br>
* -
* <code>logicService.parse("'CD4 COUNT'").before(Context.getDateformat().parse("2009/12/04");</code>
* <br>
* The above will give us a criteria to check if there's "CD4 COUNT" observations before 12/04/2009
*
* @see After
*/
public class Before implements ComparisonOperator {
@Override
public String toString() {
return "BEFORE";
}
}