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Java Source Code / Java Documentation » Net » JGroups 2.4.1 sp3 » org.jgroups.blocks 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.jgroups.blocks.DistributedTree

DistributedTree
public class DistributedTree implements MessageListener,MembershipListener(Code)
A tree-like structure that is replicated across several members. Updates will be multicast to all group members reliably and in the same order.
author:
   Bela Ban
author:
   Alfonso Olias-Sanz

Inner Class :public interface DistributedTreeListener
Inner Class :public interface ViewListener

Field Summary
protected  Channelchannel
    
 Stringchannel_properties
    
protected  RpcDispatcherdisp
    
 Stringgroupname
    
final  Vectorlisteners
    
final protected static  Loglog
    
final  Vectormembers
    
 Noderoot
    
final  longstate_timeout
    
final  Vectorview_listeners
    

Constructor Summary
public  DistributedTree()
    
public  DistributedTree(String groupname, String channel_properties)
    
public  DistributedTree(PullPushAdapter adapter, Serializable id, long state_timeout)
    

Method Summary
public  void_add(String fqn)
    
public  void_add(String fqn, Serializable element)
    
public  void_remove(String fqn)
    
public  void_reset(String fqn, Serializable element)
    
public  void_set(String fqn, Serializable element)
    
public  voidadd(String fqn)
    
public  voidadd(String fqn, Serializable element)
    
public  voidadd(String fqn, Serializable element, int timeout)
    
public  voidaddDistributedTreeListener(DistributedTreeListener listener)
    
public  voidaddViewListener(ViewListener listener)
    
public  voidblock()
    
public  booleanexists(String fqn)
    
 NodefindNode(String fqn)
    
public  Serializableget(String fqn)
    
public  ChannelgetChannel()
    
 VectorgetChildren(String fqn)
    
public  VectorgetChildrenNames(String fqn)
    
public  intgetGroupMembersNumber()
    
public  StringgetGroupName()
    
public  ObjectgetLocalAddress()
    
public  byte[]getState()
    
 voidnotifyAllNodesCreated(Node curr, String tmp_fqn)
     Generates NodeAdded notifications for all nodes of the tree.
 voidnotifyNodeAdded(String fqn, Serializable element)
    
 voidnotifyNodeModified(String fqn, Serializable old_element, Serializable new_element)
    
 voidnotifyNodeRemoved(String fqn)
    
 voidnotifyViewChange(Vector new_mbrs, Vector old_mbrs)
    
public  Stringprint()
    
public  voidreceive(Message msg)
    
public  voidremove(String fqn)
    
public  voidremove(String fqn, int timeout)
    
public  voidremoveDistributedTreeListener(DistributedTreeListener listener)
    
public  voidremoveViewListener(ViewListener listener)
    
public  voidreset(String fqn, Serializable element)
    
public  voidreset(String fqn, Serializable element, int timeout)
    
 voidsendViewChangeNotifications(Vector new_mbrs, Vector old_mbrs)
    
public  voidset(String fqn, Serializable element)
    
public  voidset(String fqn, Serializable element, int timeout)
    
public  voidsetDeadlockDetection(boolean flag)
    
public  voidsetState(byte[] data)
    
public  voidstart()
    
public  voidstart(long timeout)
    
public  voidstop()
    
public  voidsuspect(Address suspected_mbr)
    
public  voidviewAccepted(View new_view)
    

Field Detail
channel
protected Channel channel(Code)



channel_properties
String channel_properties(Code)



disp
protected RpcDispatcher disp(Code)



groupname
String groupname(Code)



listeners
final Vector listeners(Code)



log
final protected static Log log(Code)



members
final Vector members(Code)



root
Node root(Code)



state_timeout
final long state_timeout(Code)



view_listeners
final Vector view_listeners(Code)




Constructor Detail
DistributedTree
public DistributedTree()(Code)



DistributedTree
public DistributedTree(String groupname, String channel_properties)(Code)



DistributedTree
public DistributedTree(PullPushAdapter adapter, Serializable id, long state_timeout) throws ChannelException(Code)




Method Detail
_add
public void _add(String fqn)(Code)



_add
public void _add(String fqn, Serializable element)(Code)



_remove
public void _remove(String fqn)(Code)



_reset
public void _reset(String fqn, Serializable element)(Code)
similar to set, but does not error if node does not exist, but rather does an add instead



_set
public void _set(String fqn, Serializable element)(Code)



add
public void add(String fqn)(Code)



add
public void add(String fqn, Serializable element)(Code)



add
public void add(String fqn, Serializable element, int timeout)(Code)



addDistributedTreeListener
public void addDistributedTreeListener(DistributedTreeListener listener)(Code)



addViewListener
public void addViewListener(ViewListener listener)(Code)



block
public void block()(Code)
Block sending and receiving of messages until ViewAccepted is called



exists
public boolean exists(String fqn)(Code)



findNode
Node findNode(String fqn)(Code)



get
public Serializable get(String fqn)(Code)



getChannel
public Channel getChannel()(Code)
Returns the Channel the DistributedTree is connected to Channel



getChildren
Vector getChildren(String fqn)(Code)
Returns all children of a Node as Nodes



getChildrenNames
public Vector getChildrenNames(String fqn)(Code)
Returns all children of a Node as strings



getGroupMembersNumber
public int getGroupMembersNumber()(Code)
Returns the number of current members joined to the group int



getGroupName
public String getGroupName()(Code)
Returns the name of the group that the DistributedTree is connected to String



getLocalAddress
public Object getLocalAddress()(Code)



getState
public byte[] getState()(Code)
Return a copy of the tree



notifyAllNodesCreated
void notifyAllNodesCreated(Node curr, String tmp_fqn)(Code)
Generates NodeAdded notifications for all nodes of the tree. This is called whenever the tree is initially retrieved (state transfer)



notifyNodeAdded
void notifyNodeAdded(String fqn, Serializable element)(Code)



notifyNodeModified
void notifyNodeModified(String fqn, Serializable old_element, Serializable new_element)(Code)



notifyNodeRemoved
void notifyNodeRemoved(String fqn)(Code)



notifyViewChange
void notifyViewChange(Vector new_mbrs, Vector old_mbrs)(Code)



print
public String print()(Code)



receive
public void receive(Message msg)(Code)



remove
public void remove(String fqn)(Code)



remove
public void remove(String fqn, int timeout)(Code)



removeDistributedTreeListener
public void removeDistributedTreeListener(DistributedTreeListener listener)(Code)



removeViewListener
public void removeViewListener(ViewListener listener)(Code)



reset
public void reset(String fqn, Serializable element)(Code)
resets an existing node, useful after a merge when you want to tell other members of your state, but do not wish to remove and then add as two separate calls



reset
public void reset(String fqn, Serializable element, int timeout)(Code)
resets an existing node, useful after a merge when you want to tell other members of your state, but do not wish to remove and then add as two separate calls



sendViewChangeNotifications
void sendViewChangeNotifications(Vector new_mbrs, Vector old_mbrs)(Code)



set
public void set(String fqn, Serializable element)(Code)



set
public void set(String fqn, Serializable element, int timeout)(Code)



setDeadlockDetection
public void setDeadlockDetection(boolean flag)(Code)



setState
public void setState(byte[] data)(Code)



start
public void start() throws Exception(Code)



start
public void start(long timeout) throws Exception(Code)



stop
public void stop()(Code)



suspect
public void suspect(Address suspected_mbr)(Code)
Called when a member is suspected



viewAccepted
public void viewAccepted(View new_view)(Code)



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)

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