in src/main/java/org/apache/sling/discovery/oak/TopologyWebConsolePlugin.java [518:534]
private String beautifiedTimeDiff(long heartbeatTime) {
final long diff = System.currentTimeMillis() - heartbeatTime;
long seconds = (diff/1000);
if (heartbeatTime<=0) {
return "n/a";
} else if (seconds==0) {
return diff+" millis ago";
} else if (seconds==1) {
return "1 second ago";
} else if (seconds<300) {
// then print seconds
return seconds+" seconds ago";
} else {
// then print seconds
return (seconds/60)+" minute ago";
}
}