stream.runtime.rpc

Class Discovery

java.lang.Object

java.lang.Thread

stream.runtime.rpc.Discovery

All Implemented Interfaces:

Runnable

public class Discovery
extends Thread

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Thread

Thread.State, Thread.UncaughtExceptionHandler

Field Summary

Fields

Modifier and Type	Field and Description
(package private) Map<String,Long>	alive
(package private) int	announcementPort
(package private) Map<String,ContainerAnnouncement>	containers
(package private) int	count
(package private) DatagramSocket	discovery
(package private) Long	interval
(package private) static org.slf4j.Logger	log
(package private) boolean	running

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

Constructors

Constructor and Description
Discovery()
Discovery(int announcementPort)

Method Summary

Modifier and Type	Method and Description
ContainerAnnouncement	discover()
Map<String,ContainerAnnouncement>	getAnnouncements()
Map<String,Long>	getContainers()
Map<String,String>	getContainerURLs()
void	printContainers()
void	run()

Methods inherited from class java.lang.Thread

activeCount, checkAccess, clone, 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, toString, yield

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

log

static org.slf4j.Logger log

running

boolean running

alive

final Map<String,Long> alive

containers

final Map<String,ContainerAnnouncement> containers

discovery

final DatagramSocket discovery

interval

Long interval

count

int count

announcementPort

int announcementPort

Constructor Detail

Discovery

public Discovery()
          throws Exception

Throws:

Exception

Discovery

public Discovery(int announcementPort)
          throws Exception

Throws:

Exception

Method Detail

discover

public ContainerAnnouncement discover()
                               throws Exception

Throws:

Exception

run

public void run()

Specified by:

run in interface Runnable

Overrides:

run in class Thread

printContainers

public void printContainers()

getContainers

public Map<String,Long> getContainers()

getContainerURLs

public Map<String,String> getContainerURLs()

getAnnouncements

public Map<String,ContainerAnnouncement> getAnnouncements()