public MergeResult merge(Mapping mapping, boolean simulate, boolean updateAllTypes) {
try (ReleasableLock lock = mappingWriteLock.acquire()) {
final MergeResult mergeResult = new MergeResult(simulate, updateAllTypes);
this.mapping.merge(mapping, mergeResult);
if (simulate == false) {
addMappers(mergeResult.getNewObjectMappers(), mergeResult.getNewFieldMappers());
refreshSource();
}
return mergeResult;
}
}
public DocumentMapper merge(
String type, CompressedXContent mappingSource, boolean applyDefault, boolean updateAllTypes) {
if (DEFAULT_MAPPING.equals(type)) {
// verify we can parse it
DocumentMapper mapper = documentParser.parseCompressed(type, mappingSource);
// still add it as a document mapper so we have it registered and, for example, persisted back
// into
// the cluster meta data if needed, or checked for existence
try (ReleasableLock lock = mappingWriteLock.acquire()) {
mappers = newMapBuilder(mappers).put(type, mapper).map();
}
try {
defaultMappingSource = mappingSource.string();
} catch (IOException e) {
throw new ElasticsearchGenerationException("failed to un-compress", e);
}
return mapper;
} else {
return merge(parse(type, mappingSource, applyDefault), updateAllTypes);
}
}
public ParsedDocument parseDocument(SourceToParse source) throws MapperParsingException {
try (ReleasableLock lock = parseLock.acquire()) {
return innerParseDocument(source);
}
}
// never expose this to the outside world, we need to reparse the doc mapper so we get fresh
// instances of field mappers to properly remove existing doc mapper
private DocumentMapper merge(DocumentMapper mapper, boolean updateAllTypes) {
try (ReleasableLock lock = mappingWriteLock.acquire()) {
if (mapper.type().length() == 0) {
throw new InvalidTypeNameException("mapping type name is empty");
}
if (Version.indexCreated(indexSettings).onOrAfter(Version.V_2_0_0_beta1)
&& mapper.type().length() > 255) {
throw new InvalidTypeNameException(
"mapping type name ["
+ mapper.type()
+ "] is too long; limit is length 255 but was ["
+ mapper.type().length()
+ "]");
}
if (mapper.type().charAt(0) == '_') {
throw new InvalidTypeNameException(
"mapping type name [" + mapper.type() + "] can't start with '_'");
}
if (mapper.type().contains("#")) {
throw new InvalidTypeNameException(
"mapping type name [" + mapper.type() + "] should not include '#' in it");
}
if (mapper.type().contains(",")) {
throw new InvalidTypeNameException(
"mapping type name [" + mapper.type() + "] should not include ',' in it");
}
if (Version.indexCreated(indexSettings).onOrAfter(Version.V_2_0_0_beta1)
&& mapper.type().equals(mapper.parentFieldMapper().type())) {
throw new IllegalArgumentException(
"The [_parent.type] option can't point to the same type");
}
if (typeNameStartsWithIllegalDot(mapper)) {
if (Version.indexCreated(indexSettings).onOrAfter(Version.V_2_0_0_beta1)) {
throw new IllegalArgumentException(
"mapping type name [" + mapper.type() + "] must not start with a '.'");
} else {
logger.warn(
"Type [{}] starts with a '.', it is recommended not to start a type name with a '.'",
mapper.type());
}
}
// we can add new field/object mappers while the old ones are there
// since we get new instances of those, and when we remove, we remove
// by instance equality
DocumentMapper oldMapper = mappers.get(mapper.type());
if (oldMapper != null) {
MergeResult result = oldMapper.merge(mapper.mapping(), false, updateAllTypes);
if (result.hasConflicts()) {
// TODO: What should we do???
if (logger.isDebugEnabled()) {
logger.debug(
"merging mapping for type [{}] resulted in conflicts: [{}]",
mapper.type(),
Arrays.toString(result.buildConflicts()));
}
}
return oldMapper;
} else {
List<ObjectMapper> newObjectMappers = new ArrayList<>();
List<FieldMapper> newFieldMappers = new ArrayList<>();
for (MetadataFieldMapper metadataMapper : mapper.mapping().metadataMappers) {
newFieldMappers.add(metadataMapper);
}
MapperUtils.collect(mapper.mapping().root, newObjectMappers, newFieldMappers);
checkNewMappersCompatibility(newObjectMappers, newFieldMappers, updateAllTypes);
addMappers(newObjectMappers, newFieldMappers);
for (DocumentTypeListener typeListener : typeListeners) {
typeListener.beforeCreate(mapper);
}
mappers = newMapBuilder(mappers).put(mapper.type(), mapper).map();
if (mapper.parentFieldMapper().active()) {
ImmutableSet.Builder<String> parentTypesCopy = ImmutableSet.builder();
parentTypesCopy.addAll(parentTypes);
parentTypesCopy.add(mapper.parentFieldMapper().type());
parentTypes = parentTypesCopy.build();
}
assert assertSerialization(mapper);
return mapper;
}
}
}
