org.apache.zookeeper.server.quorum
Class FollowerHandler
java.lang.Object
java.lang.Thread
org.apache.zookeeper.server.quorum.FollowerHandler
- All Implemented Interfaces:
- Runnable
public class FollowerHandler
- extends Thread
There will be an instance of this class created by the Leader for each
follower.All communication for a given Follower will be handled by this
class.
Field Summary |
protected long |
sid
ZooKeeper server identifier of this follower |
Socket |
sock
|
Method Summary |
static String |
packetToString(org.apache.zookeeper.server.quorum.QuorumPacket p)
|
void |
ping()
ping calls from the leader to the followers |
void |
run()
This thread will receive packets from the follower and process them and
also listen to new connections from new followers. |
void |
shutdown()
|
boolean |
synced()
|
long |
tickOfLastAck()
|
String |
toString()
|
Methods inherited from class java.lang.Thread |
activeCount, checkAccess, countStackFrames, currentThread, destroy, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, start, stop, stop, suspend, yield |
sock
public final Socket sock
sid
protected long sid
- ZooKeeper server identifier of this follower
toString
public String toString()
- Overrides:
toString
in class Thread
packetToString
public static String packetToString(org.apache.zookeeper.server.quorum.QuorumPacket p)
run
public void run()
- This thread will receive packets from the follower and process them and
also listen to new connections from new followers.
- Specified by:
run
in interface Runnable
- Overrides:
run
in class Thread
shutdown
public void shutdown()
tickOfLastAck
public long tickOfLastAck()
ping
public void ping()
- ping calls from the leader to the followers
synced
public boolean synced()