private void addMappers(
Collection<ObjectMapper> objectMappers, Collection<FieldMapper> fieldMappers) {
assert mappingLock.isWriteLockedByCurrentThread();
// first ensure we don't have any incompatible new fields
mapperService.checkNewMappersCompatibility(objectMappers, fieldMappers, true);
// update mappers for this document type
MapBuilder<String, ObjectMapper> builder = MapBuilder.newMapBuilder(this.objectMappers);
for (ObjectMapper objectMapper : objectMappers) {
builder.put(objectMapper.fullPath(), objectMapper);
if (objectMapper.nested().isNested()) {
hasNestedObjects = true;
}
}
this.objectMappers = builder.immutableMap();
this.fieldMappers = this.fieldMappers.copyAndAllAll(fieldMappers);
// finally update for the entire index
mapperService.addMappers(objectMappers, fieldMappers);
}
// 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;
}
}
}