org.apache.cassandra.streaming

Class StreamCoordinator

java.lang.Object

org.apache.cassandra.streaming.StreamCoordinator

public class StreamCoordinator
extends java.lang.Object

StreamCoordinator is a helper class that abstracts away maintaining multiple StreamSession and ProgressInfo instances per peer. This class coordinates multiple SessionStreams per peer in both the outgoing StreamPlan context and on the inbound StreamResultFuture context.

Constructor Summary

Constructors

Constructor and Description
StreamCoordinator(int connectionsPerHost, boolean keepSSTableLevel, boolean isIncremental, StreamConnectionFactory factory)

Method Summary

Modifier and Type	Method and Description
void	addSessionInfo(SessionInfo session)
void	connectAllStreamSessions()
java.util.Set<SessionInfo>	getAllSessionInfo()
java.util.Collection<StreamSession>	getAllStreamSessions()
StreamSession	getOrCreateNextSession(java.net.InetAddress peer, java.net.InetAddress connecting)
StreamSession	getOrCreateSessionById(java.net.InetAddress peer, int id, java.net.InetAddress connecting)
java.util.Set<java.net.InetAddress>	getPeers()
boolean	hasActiveSessions()
boolean	isReceiving()
void	setConnectionFactory(StreamConnectionFactory factory)
static void	shutdownAndWait(long timeout, java.util.concurrent.TimeUnit unit)
void	transferFiles(java.net.InetAddress to, java.util.Collection<StreamSession.SSTableStreamingSections> sstableDetails)
void	updateProgress(ProgressInfo info)

Methods inherited from class java.lang.Object

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

Constructor Detail

StreamCoordinator

public StreamCoordinator(int connectionsPerHost,
                         boolean keepSSTableLevel,
                         boolean isIncremental,
                         StreamConnectionFactory factory)

Method Detail

setConnectionFactory

public void setConnectionFactory(StreamConnectionFactory factory)

hasActiveSessions

public boolean hasActiveSessions()

Returns:

true if any stream session is active

getAllStreamSessions

public java.util.Collection<StreamSession> getAllStreamSessions()

isReceiving

public boolean isReceiving()

connectAllStreamSessions

public void connectAllStreamSessions()

getPeers

public java.util.Set<java.net.InetAddress> getPeers()

getOrCreateNextSession

public StreamSession getOrCreateNextSession(java.net.InetAddress peer,
                                            java.net.InetAddress connecting)

getOrCreateSessionById

public StreamSession getOrCreateSessionById(java.net.InetAddress peer,
                                            int id,
                                            java.net.InetAddress connecting)

updateProgress

public void updateProgress(ProgressInfo info)

addSessionInfo

public void addSessionInfo(SessionInfo session)

getAllSessionInfo

public java.util.Set<SessionInfo> getAllSessionInfo()

transferFiles

public void transferFiles(java.net.InetAddress to,
                          java.util.Collection<StreamSession.SSTableStreamingSections> sstableDetails)

shutdownAndWait

public static void shutdownAndWait(long timeout,
                                   java.util.concurrent.TimeUnit unit)
                            throws java.lang.InterruptedException,
                                   java.util.concurrent.TimeoutException

Throws:

java.lang.InterruptedException

java.util.concurrent.TimeoutException