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import java.io.Serializable;

/**

*

* @author Hjortehandlerne

* The TimeStamps are issued by a LamportClock, on a given event.

* The TimeStamp has the time of the LamportClock when it was issued, and the ID of the user who issued the timestamp.

* The TimeStamp is comparable, so that the PriorityQueue may sort Events according to their timestamps.

*/

public class TimeStamp implements Serializable, Comparable<TimeStamp> {

private static final long serialVersionUID = 8381138328320766514L;

private int counter, id;

public TimeStamp(int counter, int id) {

this.counter = counter;

this.id = id;

}

public int getTime() {

return counter;

}

public int getID() {

return id;

}

@Override

public int compareTo(TimeStamp other) {

if(counter == other.counter) {

return id - other.id;

}

return counter - other.counter;

}

public boolean equals(Object other) {

if(other == null) return false;

if(this == other) return true;

if(this.getClass() != other.getClass()) return false;

TimeStamp t = (TimeStamp) other;

if(counter == t.counter && id == t.id) return true;

return false;

}

public int hashCode() {

return (31*id) + (31*counter);

}

}