Java Doc for STATE_TRANSFER.java in  » Net » JGroups-2.4.1-sp3 » org » jgroups » protocols » pbcast » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Net » JGroups 2.4.1 sp3 » org.jgroups.protocols.pbcast   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    java.lang.Thread       org.jgroups.stack.UpHandler          org.jgroups.protocols.pbcast.STATE_TRANSFER STATE_TRANSFER public class STATE_TRANSFER extends Protocol (Code) New STATE_TRANSFER protocol based on PBCAST. Compared to the one in ./protocols, it doesn't need a QUEUE layer above it. A state request is sent to a chosen member (coordinator if null). That member makes a copy D of its current digest and asks the application for a copy of its current state S. Then the member returns both S and D to the requester. The requester first sets its digest to D and then returns the state to the application. author:    Bela Ban version:    $Id: STATE_TRANSFER.java,v 1.44.2.3 2007/04/27 08:03:55 belaban Exp $ Inner Class :public static class StateHeader extends Header implements Streamable Field Summary  double avg_state_size       Digest digest       boolean flushProtocolInStack       Promise flush_promise       long flush_timeout       Address local_addr      final  HashMap map      final  Vector members      final static  String name       long num_bytes_sent       int num_state_reqs       long startstop       long state_id      final  Map state_requesters      Map of state requesters.  boolean use_flush       boolean waiting_for_state_response      Method Summary public  void down(Event evt)      public  double getAverageStateSize()      public  String getName()      public  long getNumberOfStateBytesSent()      public  int getNumberOfStateRequests()       void handleStateRsp(StateHeader hdr, byte[] state)      public  void init()      public  Vector requiredDownServices()      public  void resetStats()      public  boolean setProperties(Properties props)      public  void start()      public  void stop()      public  void up(Event evt)      Field Detail avg_state_size double avg_state_size(Code) digest Digest digest(Code) flushProtocolInStack boolean flushProtocolInStack(Code) flush_promise Promise flush_promise(Code) flush_timeout long flush_timeout(Code) local_addr Address local_addr(Code) map final HashMap map(Code) members final Vector members(Code) name final static String name(Code) num_bytes_sent long num_bytes_sent(Code) num_state_reqs int num_state_reqs(Code) startstop long startstop(Code) state_id long state_id(Code) state_requesters final Map state_requesters(Code) Map of state requesters. Keys are state IDs, values are Sets of Addresses (one for each requester) use_flush boolean use_flush(Code) waiting_for_state_response boolean waiting_for_state_response(Code) set to true while waiting for a STATE_RSP Method Detail down public void down(Event evt)(Code) getAverageStateSize public double getAverageStateSize()(Code) getName public String getName()(Code) All protocol names have to be unique ! getNumberOfStateBytesSent public long getNumberOfStateBytesSent()(Code) getNumberOfStateRequests public int getNumberOfStateRequests()(Code) handleStateRsp void handleStateRsp(StateHeader hdr, byte[] state)(Code) Set the digest and the send the state up to the application init public void init() throws Exception(Code) requiredDownServices public Vector requiredDownServices()(Code) resetStats public void resetStats()(Code) setProperties public boolean setProperties(Properties props)(Code) start public void start() throws Exception(Code) stop public void stop()(Code) up public void up(Event evt)(Code) Fields inherited from org.jgroups.stack.UpHandler final protected Log log(Code)(Java Doc) Methods inherited from org.jgroups.stack.UpHandler public void run()(Code)(Java Doc) public void setObserver(ProtocolObserver observer)(Code)(Java Doc) Fields inherited from java.lang.Thread final public static int MAX_PRIORITY(Code)(Java Doc) final public static int MIN_PRIORITY(Code)(Java Doc) final public static int NORM_PRIORITY(Code)(Java Doc) Methods inherited from java.lang.Thread public static int activeCount()(Code)(Java Doc) final public void checkAccess()(Code)(Java Doc) native public int countStackFrames()(Code)(Java Doc) native public static Thread currentThread()(Code)(Java Doc) public void destroy()(Code)(Java Doc) public static void dumpStack()(Code)(Java Doc) public static int enumerate(Thread tarray)(Code)(Java Doc) public static Map<Thread, StackTraceElement[]> getAllStackTraces()(Code)(Java Doc) public ClassLoader getContextClassLoader()(Code)(Java Doc) public static UncaughtExceptionHandler getDefaultUncaughtExceptionHandler()(Code)(Java Doc) public long getId()(Code)(Java Doc) final public String getName()(Code)(Java Doc) final public int getPriority()(Code)(Java Doc) public StackTraceElement[] getStackTrace()(Code)(Java Doc) public State getState()(Code)(Java Doc) final public ThreadGroup getThreadGroup()(Code)(Java Doc) public UncaughtExceptionHandler getUncaughtExceptionHandler()(Code)(Java Doc) native public static boolean holdsLock(Object obj)(Code)(Java Doc) public void interrupt()(Code)(Java Doc) public static boolean interrupted()(Code)(Java Doc) final native public boolean isAlive()(Code)(Java Doc) final public boolean isDaemon()(Code)(Java Doc) public boolean isInterrupted()(Code)(Java Doc) final public synchronized void join(long millis) throws InterruptedException(Code)(Java Doc) final public synchronized void join(long millis, int nanos) throws InterruptedException(Code)(Java Doc) final public void join() throws InterruptedException(Code)(Java Doc) final public void resume()(Code)(Java Doc) public void run()(Code)(Java Doc) public void setContextClassLoader(ClassLoader cl)(Code)(Java Doc) final public void setDaemon(boolean on)(Code)(Java Doc) public static void setDefaultUncaughtExceptionHandler(UncaughtExceptionHandler eh)(Code)(Java Doc) final public void setName(String name)(Code)(Java Doc) final public void setPriority(int newPriority)(Code)(Java Doc) public void setUncaughtExceptionHandler(UncaughtExceptionHandler eh)(Code)(Java Doc) native public static void sleep(long millis) throws InterruptedException(Code)(Java Doc) public static void sleep(long millis, int nanos) throws InterruptedException(Code)(Java Doc) public synchronized void start()(Code)(Java Doc) final public void stop()(Code)(Java Doc) final public synchronized void stop(Throwable obj)(Code)(Java Doc) final public void suspend()(Code)(Java Doc) public String toString()(Code)(Java Doc) native public static void yield()(Code)(Java Doc) Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)