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com.fetish.directory
Interface LUSManager  

All Superinterfaces:

java.rmi.Remote

All Known Implementing Classes:

Fada, FadaProxy

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public interface LUSManager

extends java.rmi.Remote

This interface corresponds to a node of the Directory. Methods includes the management of the hierarchical structure and the propragation of the information updates and the lookup operations.

Methods are organized in two sets.

Hierarchical structure : Methods to manage the connectivity of the LUS Managers.

• isAlone : check if this node has no neighbors.
• getNeighbors : gets all the neighbors for this node.
• connect : add a new neighbor for this node.
• disconnect: remove a node from the neighbor list, and remove this node from the other's neighbor list

Extended lookup : Extends the lookup operation to the nodes connected.

• addLookupResult : callback to the node that starts the search, when a new service implementation is found.
• lookup : extends the search to all but one neighbors of this node.

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  Method Summary
  boolean	connect(LUSManager node)           Add a new neighbor to the node.
  boolean	disconnect(LUSManager node)           Remove a neighbor from the list of neighbors.
  boolean	disconnect(java.lang.String node)           Remove a neighbor from the list of neighbors.
  LookupLocator	getLocator()           Get the Jini LookupLocator.
  int	getMaxTime()           Get the maximum time allowed for lookups in milliseconds
  LUSManager[]	getNeighbors()           Get the neighbors of the node
  ServiceID	getServiceID()           Get the LUSManager identifier.
  java.lang.String	getUrl()           Get the URL from this node.
  boolean	isAlone()           Check if the node is alone in the FADA architecture.
  void	isolate()           Isolate the node from the rest of the directory.
  boolean	justConnect(LUSManager node)           Add a new neighbor to the node.
  boolean	justDisconnect(LUSManager node)           Remove a neighbor from the list of neighbors.
  boolean	justDisconnect(java.lang.String node)           Remove a neighbor from the list of neighbors.
  void	setMaxTime(int maxTime)           Set the maximum time allowed for lookups in milliseconds
  void	stop(java.lang.String password)           Stop and deregister the node as a Jini service.

   

  Method Detail

  setMaxTime

  public void setMaxTime(int maxTime)
                  throws java.rmi.RemoteException

  Set the maximum time allowed for lookups in milliseconds

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  getMaxTime

  public int getMaxTime()
                 throws java.rmi.RemoteException

  Get the maximum time allowed for lookups in milliseconds

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  getServiceID

  public ServiceID getServiceID()
                         throws java.rmi.RemoteException

  Get the LUSManager identifier.
  This identifier is provided by Jini when the LUSManager is registered as a Jini service.

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  getUrl

  public java.lang.String getUrl()
                          throws java.rmi.RemoteException

  Get the URL from this node.
  Returns the Jini URL for this node, in the form jini://<ip/hostname>:<port>

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  getLocator

  public LookupLocator getLocator()
                           throws java.rmi.RemoteException

  Get the Jini LookupLocator.
  Obtains a reference to the class that performs Unicast discovery.

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  stop

  public void stop(java.lang.String password)
            throws java.rmi.RemoteException

  Stop and deregister the node as a Jini service.
  It first deletes all service registrations by cancelling their leases and destroying the structure that holds them. Then it cancels the Jini lease for this FADA.

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  isolate

  public void isolate()
               throws java.rmi.RemoteException

  Isolate the node from the rest of the directory.

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  isAlone

  public boolean isAlone()
                  throws java.rmi.RemoteException

  Check if the node is alone in the FADA architecture.

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  connect

  public boolean connect(LUSManager node)
                  throws java.rmi.RemoteException

  Add a new neighbor to the node. This method calls the method connect on the node to obtain a bidirectional connection.

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  justConnect

  public boolean justConnect(LUSManager node)
                      throws java.rmi.RemoteException

  Add a new neighbor to the node. Adds the specified node to the list of neighbors, after checking if it's reachable.
  This method does NOT call the node to perform a bidirectional connection. It is intended to be called by the method connect() on the remote node.

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  disconnect

  public boolean disconnect(LUSManager node)
                     throws java.rmi.RemoteException

  Remove a neighbor from the list of neighbors. It also removes the reference on neighbor node to this node

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  justDisconnect

  public boolean justDisconnect(LUSManager node)
                         throws java.rmi.RemoteException

  Remove a neighbor from the list of neighbors.

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  disconnect

  public boolean disconnect(java.lang.String node)
                     throws java.rmi.RemoteException

  Remove a neighbor from the list of neighbors. It also removes the reference on neighbor node to this node

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  justDisconnect

  public boolean justDisconnect(java.lang.String node)
                         throws java.rmi.RemoteException

  Remove a neighbor from the list of neighbors.

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  getNeighbors

  public LUSManager[] getNeighbors()
                            throws java.rmi.RemoteException

  Get the neighbors of the node

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