Project JXTA

net.jxta.resolver
Interface ResolverService

All Superinterfaces:
GenericResolver, Module, Service

public interface ResolverService
extends Service, GenericResolver

ResolverService provides a generic mechanism for JXTA Services to send "Queries", and receive "Responses". It removes the burden for registered handlers in deal with :

The ResolverService does not proccess the queries, nor does it not compose reponses. Handling of queries, and composition of responses are left up to the registered handlers. Services that wish to handle queries, and generate reponses must implement QueryHandler

Message Format:

See Also:
Service, GenericResolver, QueryHandler, ResolverQueryMsg, ResolverResponseMsg

Field Summary
static int OK
          Returned by query handlers to indicate that the query has been resolved and a response has been sent.
static int Repropagate
          Returned by query handlers to indicate that the query should be forwarded to the rest of the network.
 
Fields inherited from interface net.jxta.platform.Module
START_AGAIN_PROGRESS, START_AGAIN_STALLED, START_OK
 
Method Summary
 QueryHandler registerHandler(String name, QueryHandler handler)
          Registers a given ResolveHandler, returns the previous handler registered under this name
 SrdiHandler registerSrdiHandler(String name, SrdiHandler handler)
          Registers a given SrdiHandler, returns the previous handler registered under this name
 QueryHandler unregisterHandler(String name)
          unregisters a given ResolveHandler, returns the previous handler registered under this name
 SrdiHandler unregisterSrdiHandler(String name)
          unregisters a given SrdiHandler, returns the previous handler registered under this name
 
Methods inherited from interface net.jxta.service.Service
getImplAdvertisement, getInterface
 
Methods inherited from interface net.jxta.platform.Module
init, startApp, stopApp
 
Methods inherited from interface net.jxta.resolver.GenericResolver
sendQuery, sendResponse, sendSrdi
 

Field Detail

Repropagate

public static final int Repropagate
Returned by query handlers to indicate that the query should be forwarded to the rest of the network.

See Also:
Constant Field Values

OK

public static final int OK
Returned by query handlers to indicate that the query has been resolved and a response has been sent.

See Also:
Constant Field Values
Method Detail

registerHandler

public QueryHandler registerHandler(String name,
                                    QueryHandler handler)
Registers a given ResolveHandler, returns the previous handler registered under this name

Parameters:
name - The name under which this handler is to be registered.
handler - The handler.
Returns:
The previous handler registered under this name

unregisterHandler

public QueryHandler unregisterHandler(String name)
unregisters a given ResolveHandler, returns the previous handler registered under this name

Parameters:
name - The name of the handler to unregister.
Returns:
The previous handler registered under this name

registerSrdiHandler

public SrdiHandler registerSrdiHandler(String name,
                                       SrdiHandler handler)
Registers a given SrdiHandler, returns the previous handler registered under this name

Parameters:
name - The name under which this handler is to be registered.
handler - The handler.
Returns:
The previous handler registered under this name

unregisterSrdiHandler

public SrdiHandler unregisterSrdiHandler(String name)
unregisters a given SrdiHandler, returns the previous handler registered under this name

Parameters:
name - The name of the handler to unregister.
Returns:
The previous handler registered under this name

JXTA J2SE