public void process(
MetaData metaData,
String aliasOrIndex,
@Nullable MappingMetaData mappingMd,
boolean allowIdGeneration)
throws ElasticsearchException {
// resolve the routing if needed
routing(metaData.resolveIndexRouting(routing, aliasOrIndex));
// resolve timestamp if provided externally
if (timestamp != null) {
timestamp =
MappingMetaData.Timestamp.parseStringTimestamp(
timestamp,
mappingMd != null
? mappingMd.timestamp().dateTimeFormatter()
: TimestampFieldMapper.Defaults.DATE_TIME_FORMATTER);
}
// extract values if needed
if (mappingMd != null) {
MappingMetaData.ParseContext parseContext =
mappingMd.createParseContext(id, routing, timestamp);
if (parseContext.shouldParse()) {
XContentParser parser = null;
try {
parser = XContentHelper.createParser(source);
mappingMd.parse(parser, parseContext);
if (parseContext.shouldParseId()) {
id = parseContext.id();
}
if (parseContext.shouldParseRouting()) {
routing = parseContext.routing();
}
if (parseContext.shouldParseTimestamp()) {
timestamp = parseContext.timestamp();
timestamp =
MappingMetaData.Timestamp.parseStringTimestamp(
timestamp, mappingMd.timestamp().dateTimeFormatter());
}
} catch (Exception e) {
throw new ElasticsearchParseException(
"failed to parse doc to extract routing/timestamp", e);
} finally {
if (parser != null) {
parser.close();
}
}
}
// might as well check for routing here
if (mappingMd.routing().required() && routing == null) {
throw new RoutingMissingException(index, type, id);
}
if (parent != null && !mappingMd.hasParentField()) {
throw new ElasticsearchIllegalArgumentException(
"Can't specify parent if no parent field has been configured");
}
} else {
if (parent != null) {
throw new ElasticsearchIllegalArgumentException(
"Can't specify parent if no parent field has been configured");
}
}
// generate id if not already provided and id generation is allowed
if (allowIdGeneration) {
if (id == null) {
id(Strings.randomBase64UUID());
// since we generate the id, change it to CREATE
opType(IndexRequest.OpType.CREATE);
}
}
// generate timestamp if not provided, we always have one post this stage...
if (timestamp == null) {
timestamp = Long.toString(System.currentTimeMillis());
}
}
