meetinglist.java

来自「简单的议程管理的小实验,包含可运行BAT文件和TEST用例」· Java 代码 · 共 59 行

package agenda.data;
import agenda.Exception.*;
import java.util.*;

/**
 * Meeting List class
 * @author wc
 */
public class MeetingList extends ArrayList<Meeting>{
    int currentID;
    /**
     * Creator
     */
    public MeetingList(){
        currentID = 0;
    }
    
    /**
     * Check if the meeting is in the time range of [start, end]
     * @param m Meeting
     * @param s Start time
     * @param e End time
     * @return boolean
     */
    boolean isConflict(Meeting m, Calendar s, Calendar e)
    {
        if(m.start.before(s)&&s.before(m.end)) return true;
        if(m.start.before(e)&&e.before(m.end)) return true;
        if(s.before(m.start)&&m.start.before(e)) return true;
        if(s.before(m.end)&&m.end.before(e)) return true;
        return false;
    }
    
    /**
     * If the meeting is conflict with others, then throw a exception
     * @param u UserName
     * @param o Partner UserName
     * @param s Start time
     * @param e End time
     * @throws agenda.Exception.TimeConflictException
     */
    public void checkConflict(String u, String o, Calendar s, Calendar e)
            throws TimeConflictException
    {
        for(Meeting m:this)
            if(m.creator.equals(u)||m.partner.equals(o)||m.creator.equals(o)||m.partner.equals(u))
                if(isConflict(m, s, e))
                    throw new TimeConflictException();
    }
    
    /**
     * Get next meeting ID
     * @return int
     */
    public int getMeetingID(){
        return currentID++;
    }
}