private List<Object> executeQuery() {
List<Object> results;
QueryOperation op = cache.getOperationsFactory().newQueryOperation(this);
QueryResponse response = op.execute();
totalResults = (int) response.getTotalResults();
if (response.getProjectionSize() > 0) {
results = new ArrayList<Object>(response.getResults().size() / response.getProjectionSize());
Iterator<WrappedMessage> it = response.getResults().iterator();
while (it.hasNext()) {
Object[] row = new Object[response.getProjectionSize()];
for (int i = 0; i < response.getProjectionSize(); i++) {
row[i] = it.next().getValue();
}
results.add(row);
}
} else {
results = new ArrayList<Object>(response.getResults().size());
SerializationContext serCtx = getSerializationContext();
for (WrappedMessage r : response.getResults()) {
try {
byte[] bytes = (byte[]) r.getValue();
Object o = ProtobufUtil.fromWrappedByteArray(serCtx, bytes);
results.add(o);
} catch (IOException e) {
throw new HotRodClientException(e);
}
}
}
return results;
}
@Override
public <T> List<T> list() {
if (results == null) {
results = cache.query(this);
}
return results;
}
public RemoteQueryFactory(RemoteCacheImpl cache) {
serializationContext =
ProtoStreamMarshaller.getSerializationContext(cache.getRemoteCacheManager());
this.cache = cache;
try {
MarshallerRegistration.registerMarshallers(serializationContext);
} catch (Exception e) {
throw new HotRodClientException("Failed to initialise the Protobuf serialization context", e);
}
}