// used for deleteByQuery to get the list of nodes this leader should forward to
private List<Node> setupRequest() {
List<Node> nodes = null;
String shardId = cloudDesc.getShardId();
try {
ZkCoreNodeProps leaderProps =
new ZkCoreNodeProps(zkController.getZkStateReader().getLeaderProps(collection, shardId));
String leaderNodeName = leaderProps.getCoreNodeName();
String coreName = req.getCore().getName();
String coreNodeName = zkController.getNodeName() + "_" + coreName;
isLeader = coreNodeName.equals(leaderNodeName);
// TODO: what if we are no longer the leader?
forwardToLeader = false;
List<ZkCoreNodeProps> replicaProps =
zkController
.getZkStateReader()
.getReplicaProps(collection, shardId, zkController.getNodeName(), coreName);
if (replicaProps != null) {
nodes = new ArrayList<Node>(replicaProps.size());
for (ZkCoreNodeProps props : replicaProps) {
nodes.add(new StdNode(props));
}
}
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
throw new ZooKeeperException(SolrException.ErrorCode.SERVER_ERROR, "", e);
}
return nodes;
}
public DistributedUpdateProcessor(
SolrQueryRequest req, SolrQueryResponse rsp, UpdateRequestProcessor next) {
super(next);
this.rsp = rsp;
this.next = next;
this.idField = req.getSchema().getUniqueKeyField();
// version init
this.updateHandler = req.getCore().getUpdateHandler();
this.ulog = updateHandler.getUpdateLog();
this.vinfo = ulog == null ? null : ulog.getVersionInfo();
versionsStored = this.vinfo != null && this.vinfo.getVersionField() != null;
returnVersions = req.getParams().getBool(UpdateParams.VERSIONS, false);
// TODO: better way to get the response, or pass back info to it?
SolrRequestInfo reqInfo = returnVersions ? SolrRequestInfo.getRequestInfo() : null;
this.req = req;
CoreDescriptor coreDesc = req.getCore().getCoreDescriptor();
this.zkEnabled = coreDesc.getCoreContainer().isZooKeeperAware();
zkController = req.getCore().getCoreDescriptor().getCoreContainer().getZkController();
if (zkEnabled) {
numNodes = zkController.getZkStateReader().getClusterState().getLiveNodes().size();
cmdDistrib =
new SolrCmdDistributor(
numNodes, coreDesc.getCoreContainer().getZkController().getCmdDistribExecutor());
}
// this.rsp = reqInfo != null ? reqInfo.getRsp() : null;
cloudDesc = coreDesc.getCloudDescriptor();
if (cloudDesc != null) {
collection = cloudDesc.getCollectionName();
}
}
public int createSubRequests(ResponseBuilder rb) throws IOException {
SolrParams params = rb.req.getParams();
String id1[] = params.getParams("id");
String ids[] = params.getParams("ids");
if (id1 == null && ids == null) {
return ResponseBuilder.STAGE_DONE;
}
List<String> allIds = new ArrayList<String>();
if (id1 != null) {
for (String s : id1) {
allIds.add(s);
}
}
if (ids != null) {
for (String s : ids) {
allIds.addAll(StrUtils.splitSmart(s, ",", true));
}
}
// TODO: handle collection=...?
ZkController zkController =
rb.req.getCore().getCoreDescriptor().getCoreContainer().getZkController();
// if shards=... then use that
if (zkController != null && params.get("shards") == null) {
CloudDescriptor cloudDescriptor = rb.req.getCore().getCoreDescriptor().getCloudDescriptor();
String collection = cloudDescriptor.getCollectionName();
ClusterState clusterState = zkController.getClusterState();
DocCollection coll = clusterState.getCollection(collection);
Map<String, List<String>> sliceToId = new HashMap<String, List<String>>();
for (String id : allIds) {
Slice slice = coll.getRouter().getTargetSlice(id, null, params, coll);
List<String> idsForShard = sliceToId.get(slice.getName());
if (idsForShard == null) {
idsForShard = new ArrayList<String>(2);
sliceToId.put(slice.getName(), idsForShard);
}
idsForShard.add(id);
}
for (Map.Entry<String, List<String>> entry : sliceToId.entrySet()) {
String shard = entry.getKey();
String shardIdList = StrUtils.join(entry.getValue(), ',');
ShardRequest sreq = new ShardRequest();
sreq.purpose = 1;
// sreq.shards = new String[]{shard}; // TODO: would be nice if this would work...
sreq.shards = sliceToShards(rb, collection, shard);
sreq.actualShards = sreq.shards;
sreq.params = new ModifiableSolrParams();
sreq.params.set(
ShardParams.SHARDS_QT,
"/get"); // TODO: how to avoid hardcoding this and hit the same handler?
sreq.params.set("distrib", false);
sreq.params.set("ids", shardIdList);
rb.addRequest(this, sreq);
}
} else {
String shardIdList = StrUtils.join(allIds, ',');
ShardRequest sreq = new ShardRequest();
sreq.purpose = 1;
sreq.shards = null; // ALL
sreq.actualShards = sreq.shards;
sreq.params = new ModifiableSolrParams();
sreq.params.set(
ShardParams.SHARDS_QT,
"/get"); // TODO: how to avoid hardcoding this and hit the same handler?
sreq.params.set("distrib", false);
sreq.params.set("ids", shardIdList);
rb.addRequest(this, sreq);
}
return ResponseBuilder.STAGE_DONE;
}