// pre create indices here and add mappings to them so we can merge the mappings here if needed
for (String index : request.indices) {
if (indicesService.hasIndex(index)) {
continue;
}
final IndexMetaData indexMetaData = currentState.metaData().index(index);
IndexService indexService = indicesService.createIndex(indexMetaData.index(), indexMetaData.settings(), currentState.nodes().localNode().id());
indicesToClose.add(indexMetaData.index());
// only add the current relevant mapping (if exists)
if (indexMetaData.mappings().containsKey(request.mappingType)) {
indexService.mapperService().add(request.mappingType, indexMetaData.mappings().get(request.mappingType).source().string());
}
}
Map<String, DocumentMapper> newMappers = newHashMap();
Map<String, DocumentMapper> existingMappers = newHashMap();
for (String index : request.indices) {
IndexService indexService = indicesService.indexService(index);
if (indexService != null) {
// try and parse it (no need to add it here) so we can bail early in case of parsing exception
DocumentMapper newMapper = indexService.mapperService().parse(request.mappingType, request.mappingSource);
newMappers.put(index, newMapper);
DocumentMapper existingMapper = indexService.mapperService().documentMapper(request.mappingType);
if (existingMapper != null) {
// first, simulate
DocumentMapper.MergeResult mergeResult = existingMapper.merge(newMapper, mergeFlags().simulate(true));
// if we have conflicts, and we are not supposed to ignore them, throw an exception
if (!request.ignoreConflicts && mergeResult.hasConflicts()) {
throw new MergeMappingException(mergeResult.conflicts());
}
existingMappers.put(index, existingMapper);
}
} else {
throw new IndexMissingException(new Index(index));
}
}
String mappingType = request.mappingType;
if (mappingType == null) {
mappingType = newMappers.values().iterator().next().type();
} else if (!mappingType.equals(newMappers.values().iterator().next().type())) {
throw new InvalidTypeNameException("Type name provided does not match type name within mapping definition");
}
if (!MapperService.DEFAULT_MAPPING.equals(mappingType) && mappingType.charAt(0) == '_') {
throw new InvalidTypeNameException("Document mapping type name can't start with '_'");
}
final Map<String, MappingMetaData> mappings = newHashMap();
for (Map.Entry<String, DocumentMapper> entry : newMappers.entrySet()) {
String index = entry.getKey();
// do the actual merge here on the master, and update the mapping source
DocumentMapper newMapper = entry.getValue();
if (existingMappers.containsKey(entry.getKey())) {
// we have an existing mapping, do the merge here (on the master), it will automatically update the mapping source
DocumentMapper existingMapper = existingMappers.get(entry.getKey());
CompressedString existingSource = existingMapper.mappingSource();
existingMapper.merge(newMapper, mergeFlags().simulate(false));
CompressedString updatedSource = existingMapper.mappingSource();
if (existingSource.equals(updatedSource)) {
// same source, no changes, ignore it
} else {
// use the merged mapping source
mappings.put(index, new MappingMetaData(existingMapper));
if (logger.isDebugEnabled()) {
logger.debug("[{}] update_mapping [{}] with source [{}]", index, existingMapper.type(), updatedSource);
} else if (logger.isInfoEnabled()) {
logger.info("[{}] update_mapping [{}]", index, existingMapper.type());
}
}
} else {
CompressedString newSource = newMapper.mappingSource();
mappings.put(index, new MappingMetaData(newMapper));
if (logger.isDebugEnabled()) {
logger.debug("[{}] create_mapping [{}] with source [{}]", index, newMapper.type(), newSource);
} else if (logger.isInfoEnabled()) {
logger.info("[{}] create_mapping [{}]", index, newMapper.type());
}
}
}
if (mappings.isEmpty()) {
// no changes, return
listener.onResponse(new Response(true));
return currentState;
}
MetaData.Builder builder = newMetaDataBuilder().metaData(currentState.metaData());
for (String indexName : request.indices) {
IndexMetaData indexMetaData = currentState.metaData().index(indexName);
if (indexMetaData == null) {
throw new IndexMissingException(new Index(indexName));
}
MappingMetaData mappingMd = mappings.get(indexName);
if (mappingMd != null) {