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This commit is contained in:
Edward Capriolo
2015-01-17 18:21:57 -05:00
parent 4506fe4a79
commit 17f1ad6f4f
14 changed files with 811 additions and 725 deletions
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86
src/main/java/com/google/code/gossip/GossipTimeoutTimer.java
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@ -6,56 +6,58 @@ import javax.management.NotificationListener;
import javax.management.timer.Timer;
/**
* This object represents a timer for a gossip member.
* When the timer has elapsed without being reset in the meantime, it will inform the GossipService about this
* who in turn will put the gossip member on the dead list, because it is apparantly not alive anymore.
* This object represents a timer for a gossip member. When the timer has elapsed without being
* reset in the meantime, it will inform the GossipService about this who in turn will put the
* gossip member on the dead list, because it is apparantly not alive anymore.
*
* @author joshclemm, harmenw
*/
public class GossipTimeoutTimer extends Timer {
/** The amount of time this timer waits before generating a wake-up event. */
private long _sleepTime;
/** The amount of time this timer waits before generating a wake-up event. */
private long _sleepTime;
/** The gossip member this timer is for. */
private LocalGossipMember _source;
/** The gossip member this timer is for. */
private LocalGossipMember _source;
/**
* Constructor.
* Creates a reset-able timer that wakes up after millisecondsSleepTime.
* @param millisecondsSleepTime The time for this timer to wait before an event.
* @param service
* @param member
*/
public GossipTimeoutTimer(long millisecondsSleepTime, NotificationListener notificationListener, LocalGossipMember member) {
super();
_sleepTime = millisecondsSleepTime;
_source = member;
addNotificationListener(notificationListener, null, null);
}
/**
* Constructor. Creates a reset-able timer that wakes up after millisecondsSleepTime.
*
* @param millisecondsSleepTime
* The time for this timer to wait before an event.
* @param service
* @param member
*/
public GossipTimeoutTimer(long millisecondsSleepTime, NotificationListener notificationListener,
LocalGossipMember member) {
super();
_sleepTime = millisecondsSleepTime;
_source = member;
addNotificationListener(notificationListener, null, null);
}
/**
* @see javax.management.timer.Timer#start()
*/
public void start() {
this.reset();
super.start();
}
/**
* @see javax.management.timer.Timer#start()
*/
public void start() {
this.reset();
super.start();
}
/**
* Resets timer to start counting down from original time.
*/
public void reset() {
removeAllNotifications();
setWakeupTime(_sleepTime);
}
/**
* Resets timer to start counting down from original time.
*/
public void reset() {
removeAllNotifications();
setWakeupTime(_sleepTime);
}
/**
* Adds a new wake-up time for this timer.
* @param milliseconds
*/
private void setWakeupTime(long milliseconds) {
addNotification("type", "message", _source, new Date(System.currentTimeMillis()+milliseconds));
}
/**
* Adds a new wake-up time for this timer.
*
* @param milliseconds
*/
private void setWakeupTime(long milliseconds) {
addNotification("type", "message", _source, new Date(System.currentTimeMillis() + milliseconds));
}
}