Source for file HarmoniTimespan.class.php

<?php 
 
//require_once(OKI2."/osid/scheduling/Timespan.php");
//require_once(HARMONI."Primitives/Chronology/Timespan.class.php");
 
 
 
 
 
/**
 * Timespan defines a time span in terms of a start and end date and time.
 * Warning!  This extends a completely differnt Timespan, so thing may
 * get messy.
 * 
 * <p>
 * OSID Version: 2.0
 * </p>
 * 
 * <p>
 * Licensed under the {@link org.osid.SidImplementationLicenseMIT MIT}
 * O.K.I&#46; OSID Definition License}.
 * </p>
 * 
 * @package org.osid.scheduling
 */
class HarmoniTimespan
{
    
    /**
     * @variable  long $_start the start of the time span
     * @access private
     * @variable long $_end the end of the time span
     * @access private
     ***/
    var $_start;
    var $_end;
    
    /**
     * The constructor.
     * 
     * @param long $_start the start of the time span
     * @param long $_end the end of the time span
     * 
     * @access public
     * @return void 
     */
    function HarmoniTimespan($start, $end)
    {
        
        if($start>$end){
            throwError(new Error("The end of a Timespan cannot come before the end", "HarmoniTimespan", true));
        }
        $this->_start = $start;
        $this->_end = $end;
        
    }
    
    
    /**
     * Get the Start date and time of this Timespan.
     *  
     * @return int 
     * 
     * @throws object SchedulingException An exception with one of
     *          the following messages defined in
     *          org.osid.scheduling.SchedulingException may be thrown:   {@link }
     *          org.osid.scheduling.SchedulingException#OPERATION_FAILED
     *          OPERATION_FAILED}, {@link }
     *          org.osid.scheduling.SchedulingException#PERMISSION_DENIED
     *          PERMISSION_DENIED}, {@link }
     *          org.osid.scheduling.SchedulingException#CONFIGURATION_ERROR
     *          CONFIGURATION_ERROR}, {@link }
     *          org.osid.scheduling.SchedulingException#UNIMPLEMENTED
     *          UNIMPLEMENTED}
     * 
     * @access public
     */
    function getStart () { 
       return $this->_start;     
    } 
 
    /**
     * Get the End date and time of this Timespan.
     *  
     * @return int 
     * 
     * @throws object SchedulingException An exception with one of
     *          the following messages defined in
     *          org.osid.scheduling.SchedulingException may be thrown:   {@link }
     *          org.osid.scheduling.SchedulingException#OPERATION_FAILED
     *          OPERATION_FAILED}, {@link }
     *          org.osid.scheduling.SchedulingException#PERMISSION_DENIED
     *          PERMISSION_DENIED}, {@link }
     *          org.osid.scheduling.SchedulingException#CONFIGURATION_ERROR
     *          CONFIGURATION_ERROR}, {@link }
     *          org.osid.scheduling.SchedulingException#UNIMPLEMENTED
     *          UNIMPLEMENTED}
     * 
     * @access public
     */
    function getEnd () { 
        return $this->_end;  
    } 
}
 
?>