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package core.time;
/**
* Immutable record representing a Lamport timestamp in the distributed system.
* Lamport timestamps provide a partial ordering of events in a distributed system.
*
* <p>Each timestamp contains:</p>
* <ul>
* <li>Global time - the simulation time when this timestamp was created</li>
* <li>Lamport time - the logical clock value following Lamport's algorithm</li>
* </ul>
*
* <p>This record automatically provides {@code equals()}, {@code hashCode()},
* and {@code toString()} implementations.</p>
*
* @param globalTime the global simulation time when this timestamp was recorded
* @param lamportTime the Lamport logical clock value
*
* @author Paul C. Buetow
*/
public record VSLamportTime(long globalTime, long lamportTime) implements VSTime {
/**
* Gets the global time (implements VSTime interface).
*
* @return the global simulation time
*/
@Override
public long getGlobalTime() {
return globalTime;
}
/**
* Gets the Lamport time value.
*
* @return the Lamport logical clock value
* @deprecated Use {@link #lamportTime()} instead
*/
@Deprecated
public long getLamportTime() {
return lamportTime;
}
/**
* Returns a string representation of this Lamport timestamp.
* Format: "(lamportTime)"
*
* @return string representation of the Lamport time
*/
@Override
public String toString() {
return "(" + lamportTime + ")";
}
}
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