/** {@inheritDoc} */
@SuppressWarnings("unchecked")
@Override
public CacheQueryFuture<?> queryFieldsDistributed(
GridCacheQueryBean qry, Collection<ClusterNode> nodes) {
assert cctx.config().getCacheMode() != LOCAL;
if (log.isDebugEnabled()) log.debug("Executing distributed query: " + qry);
long reqId = cctx.io().nextIoId();
final GridCacheDistributedFieldsQueryFuture fut =
new GridCacheDistributedFieldsQueryFuture(cctx, reqId, qry, nodes);
try {
qry.query().validate();
GridCacheQueryRequest req =
new GridCacheQueryRequest(
cctx.cacheId(),
reqId,
cctx.name(),
qry.query().type(),
true,
qry.query().clause(),
null,
null,
null,
qry.reducer(),
qry.transform(),
qry.query().pageSize(),
qry.query().includeBackups(),
qry.arguments(),
qry.query().includeMetadata(),
qry.query().keepPortable(),
qry.query().subjectId(),
qry.query().taskHash());
addQueryFuture(req.id(), fut);
final Object topic = topic(cctx.nodeId(), req.id());
cctx.io().addOrderedHandler(topic, resHnd);
fut.listen(
new CI1<IgniteInternalFuture<?>>() {
@Override
public void apply(IgniteInternalFuture<?> fut) {
cctx.io().removeOrderedHandler(topic);
}
});
sendRequest(fut, req, nodes);
} catch (IgniteCheckedException e) {
fut.onDone(e);
}
return fut;
}
/**
* Processes cache query response.
*
* @param sndId Sender node id.
* @param res Query response.
*/
@SuppressWarnings("unchecked")
private void processQueryResponse(UUID sndId, GridCacheQueryResponse res) {
if (log.isDebugEnabled()) log.debug("Received query response: " + res);
GridCacheQueryFutureAdapter fut = getQueryFuture(res.requestId());
if (fut != null)
if (res.fields())
((GridCacheDistributedFieldsQueryFuture) fut)
.onPage(
sndId,
res.metadata(),
(Collection<Map<String, Object>>) ((Collection) res.data()),
res.error(),
res.isFinished());
else fut.onPage(sndId, res.data(), res.error(), res.isFinished());
else if (!cancelled.contains(res.requestId()))
U.warn(
log,
"Received response for finished or unknown query [rmtNodeId="
+ sndId
+ ", res="
+ res
+ ']');
}