protected AsyncAction(Request request, ActionListener<Response> listener) {
this.request = request;
this.listener = listener;
clusterState = clusterService.state();
nodes = clusterState.nodes();
ClusterBlockException globalBlockException = checkGlobalBlock(clusterState, request);
if (globalBlockException != null) {
throw globalBlockException;
}
String[] concreteIndices = indexNameExpressionResolver.concreteIndices(clusterState, request);
ClusterBlockException requestBlockException =
checkRequestBlock(clusterState, request, concreteIndices);
if (requestBlockException != null) {
throw requestBlockException;
}
logger.trace(
"resolving shards for [{}] based on cluster state version [{}]",
actionName,
clusterState.version());
ShardsIterator shardIt = shards(clusterState, request, concreteIndices);
nodeIds = new HashMap<>();
for (ShardRouting shard : shardIt.asUnordered()) {
if (shard.assignedToNode()) {
String nodeId = shard.currentNodeId();
if (!nodeIds.containsKey(nodeId)) {
nodeIds.put(nodeId, new ArrayList<>());
}
nodeIds.get(nodeId).add(shard);
} else {
unavailableShardExceptions.add(
new NoShardAvailableActionException(
shard.shardId(),
" no shards available for shard "
+ shard.toString()
+ " while executing "
+ actionName));
}
}
responses = new AtomicReferenceArray<>(nodeIds.size());
}
