private static Set<ExtTrustRelationship> entitiesToExtRelationships(
final Set<ITrustedEntity> entities, final TrustQuery query) {
final Set<ExtTrustRelationship> result =
new LinkedHashSet<ExtTrustRelationship>(entities.size());
final TrustValueType trustValueType = query.getTrustValueType();
for (final ITrustedEntity entity : entities) {
final Set<TrustEvidence> evidenceSet = iEvidenceToEvidence(entity.getEvidence());
// TODO Needs optimisation
final Set<TrustEvidence> directEvidenceSet = new LinkedHashSet<TrustEvidence>();
final Set<TrustEvidence> indirectEvidenceSet = new LinkedHashSet<TrustEvidence>();
for (final TrustEvidence evidence : evidenceSet) {
if (evidence.getSourceId() == null) {
directEvidenceSet.add(evidence);
} else {
indirectEvidenceSet.add(evidence);
}
}
if (entity.getDirectTrust().getValue() != null
&& (null == trustValueType || TrustValueType.DIRECT == trustValueType)) {
result.add(
new ExtTrustRelationship(
entity.getTrustorId(),
entity.getTrusteeId(),
TrustValueType.DIRECT,
entity.getDirectTrust().getValue(),
entity.getDirectTrust().getLastUpdated(),
directEvidenceSet));
}
if (entity.getIndirectTrust().getValue() != null
&& (null == trustValueType || TrustValueType.INDIRECT == trustValueType)) {
result.add(
new ExtTrustRelationship(
entity.getTrustorId(),
entity.getTrusteeId(),
TrustValueType.INDIRECT,
entity.getIndirectTrust().getValue(),
entity.getIndirectTrust().getLastUpdated(),
indirectEvidenceSet));
}
if (entity.getUserPerceivedTrust().getValue() != null
&& (null == trustValueType || TrustValueType.USER_PERCEIVED == trustValueType)) {
result.add(
new ExtTrustRelationship(
entity.getTrustorId(),
entity.getTrusteeId(),
TrustValueType.USER_PERCEIVED,
entity.getUserPerceivedTrust().getValue(),
entity.getUserPerceivedTrust().getLastUpdated(),
new HashSet<TrustEvidence>()));
}
}
return result;
}
private static Set<TrustRelationship> entitiesToRelationships(
final Set<ITrustedEntity> entities, final TrustQuery query) {
final Set<TrustRelationship> result = new LinkedHashSet<TrustRelationship>();
final TrustValueType trustValueType = query.getTrustValueType();
for (final ITrustedEntity entity : entities) {
if (entity.getDirectTrust().getValue() != null
&& (null == trustValueType || TrustValueType.DIRECT == trustValueType)) {
result.add(
new TrustRelationship(
entity.getTrustorId(),
entity.getTrusteeId(),
TrustValueType.DIRECT,
entity.getDirectTrust().getValue(),
entity.getDirectTrust().getLastUpdated()));
}
if (entity.getIndirectTrust().getValue() != null
&& (null == trustValueType || TrustValueType.INDIRECT == trustValueType)) {
result.add(
new TrustRelationship(
entity.getTrustorId(),
entity.getTrusteeId(),
TrustValueType.INDIRECT,
entity.getIndirectTrust().getValue(),
entity.getIndirectTrust().getLastUpdated()));
}
if (entity.getUserPerceivedTrust().getValue() != null
&& (null == trustValueType || TrustValueType.USER_PERCEIVED == trustValueType)) {
result.add(
new TrustRelationship(
entity.getTrustorId(),
entity.getTrusteeId(),
TrustValueType.USER_PERCEIVED,
entity.getUserPerceivedTrust().getValue(),
entity.getUserPerceivedTrust().getLastUpdated()));
}
}
return result;
}
private Double retrieveLocalTrustValue(final Requestor requestor, final TrustQuery query)
throws TrustException {
final Set<ITrustedEntity> entities = this.retrieveTrustedEntities(query);
if (entities.isEmpty()) {
return null;
} else if (entities.size() == 1) {
final ITrustedEntity entity = entities.iterator().next();
if (TrustValueType.DIRECT == query.getTrustValueType()) {
return entity.getDirectTrust().getValue();
} else if (TrustValueType.INDIRECT == query.getTrustValueType()) {
return entity.getIndirectTrust().getValue();
} else { // if (TrustValueType.USER_PERCEIVED == query.getTrustValueType())
return entity.getUserPerceivedTrust().getValue();
}
} else {
throw new NonUniqueTrustQueryResultException(
"Query returned " + entities.size() + " results");
}
}
