public static void buildBroadcastShardsHeader(
JsonBuilder builder, BroadcastOperationResponse response) throws IOException {
builder.startObject("_shards");
builder.field("total", response.totalShards());
builder.field("successful", response.successfulShards());
builder.field("failed", response.failedShards());
if (!response.shardFailures().isEmpty()) {
builder.startArray("failures");
for (ShardOperationFailedException shardFailure : response.shardFailures()) {
builder.startObject();
if (shardFailure.index() != null) {
builder.field("index", shardFailure.index());
}
if (shardFailure.shardId() != -1) {
builder.field("shard", shardFailure.shardId());
}
builder.field("reason", shardFailure.reason());
builder.endObject();
}
builder.endArray();
}
builder.endObject();
}
