net.jxta.resolver
Interface QueryHandler

public interface QueryHandler

Services that wish to act as a resolver handler must implement this interface

Since:

JXTA 1.0

Version:

$Revision: 1.12 $

See Also:

ResolverService, GenericResolver, ResolverService, ResolverQueryMsg, Tag $Name: STABLE_20020924T1446PDT $

Method Summary

ResolverResponseMsg	processQuery(ResolverQueryMsg query) Process the resolver query, and generate response
void	processResponse(ResolverResponseMsg response) call back method, when messages are received by the ResolverService it calls back this method to deal with received responses

Method Detail

processQuery

public ResolverResponseMsg processQuery(ResolverQueryMsg query)
                                 throws NoResponseException,
                                        ResendQueryException,
                                        DiscardQueryException,
                                        java.io.IOException

Process the resolver query, and generate response

Parameters:

query - ResolverQueryMsg query

Returns:

GenericResolverMsg Response to the query

Throws:

NoResponseException - is thrown when the resolver service does not have an response and is not interested by the response.

ResendQueryException - is thrown when the resolver service does not have a response, but is interested by the response. In that case, the resolver service is responsible for forward the response to the original peer that has issued the query.

DiscardQueryException - is thrown when the resolver service has decided that the query should simply be ignored.

java.io.IOException - is thrown when the service resolver was not able to process the query

Since:

JXTA 1.0

processResponse

public void processResponse(ResolverResponseMsg response)

call back method, when messages are received by the ResolverService it calls back this method to deal with received responses

Parameters:

response - ResolverQueryMsg reponse

Since:

JXTA 1.0