private Set<ITrustedEntity> retrieveTrustedEntities(final TrustQuery query)
throws TrustException {
final Set<ITrustedEntity> result = new LinkedHashSet<ITrustedEntity>();
try {
if (this.trustRepo == null) {
throw new TrustBrokerException("ITrustRepository service is not available");
}
if (query.getTrusteeId() != null) {
final ITrustedEntity trustedEntity =
this.trustRepo.retrieveEntity(query.getTrustorId(), query.getTrusteeId());
if (trustedEntity != null) result.add(trustedEntity);
} else {
result.addAll(
this.trustRepo.retrieveEntities(
query.getTrustorId(), query.getTrusteeType(), query.getTrustValueType()));
}
} catch (ServiceUnavailableException sue) {
throw new TrustBrokerException(sue.getLocalizedMessage(), sue);
}
return result;
}
private boolean removeLocalTrustRelationships(final TrustQuery query) throws TrustException {
try {
if (this.trustRepo == null) {
throw new TrustBrokerException("ITrustRepository service is not available");
}
if (query.getTrusteeId() != null) {
return this.trustRepo.removeEntity(query.getTrustorId(), query.getTrusteeId());
} else {
return this.trustRepo.removeEntities(
query.getTrustorId(), query.getTrusteeType(), query.getTrustValueType());
}
} catch (ServiceUnavailableException sue) {
throw new TrustBrokerException(sue.getLocalizedMessage(), sue);
}
}
/*
* @see org.societies.api.privacytrust.trust.ITrustBroker#retrieveTrustValue(org.societies.api.identity.Requestor, org.societies.api.privacytrust.trust.TrustQuery)
*/
@Override
@Async
public Future<Double> retrieveTrustValue(final Requestor requestor, final TrustQuery query)
throws TrustException {
if (requestor == null) {
throw new NullPointerException("requestor can't be null");
}
if (query == null) {
throw new NullPointerException("query can't be null");
}
if (query.getTrusteeId() == null) {
throw new IllegalArgumentException("trusteeId in query can't be null");
}
if (query.getTrustValueType() == null) {
throw new IllegalArgumentException("trustValueType in query can't be null");
}
LOG.debug(
"Retrieving trust value matching query '{}'" + " on behalf of requestor '{}'",
query,
requestor);
if (this.isLocalQuery(query)) {
// L O C A L
LOG.debug("query '{}' is LOCAL", query);
return new AsyncResult<Double>(this.retrieveLocalTrustValue(requestor, query));
} else {
// R E M O T E
LOG.debug("query '{}' is REMOTE", query);
return new AsyncResult<Double>(this.retrieveRemoteTrustValue(requestor, query));
}
}
/*
* @see org.societies.api.internal.privacytrust.trust.ITrustBroker#unregisterTrustUpdateListener(org.societies.api.privacytrust.trust.event.ITrustUpdateEventListener, org.societies.api.privacytrust.trust.TrustQuery)
*/
@Override
public void unregisterTrustUpdateListener(
final ITrustUpdateEventListener listener, final TrustQuery query) throws TrustException {
if (query == null) throw new NullPointerException("query can't be null");
if (query.getTrusteeType() != null) {
this.doUnregisterTrustUpdateListenerByType(
null, listener, query.getTrustorId(), query.getTrusteeType(), query.getTrustValueType());
} else {
this.doUnregisterTrustUpdateListener(
null, listener, query.getTrustorId(), query.getTrusteeId(), query.getTrustValueType());
}
}