@Override
public Y build(BuilderContext context) {
ContentPath.Type origPathType = context.path().pathType();
context.path().pathType(pathType);
context.path().add(name);
Map<String, Mapper> mappers = new HashMap<>();
for (Mapper.Builder builder : mappersBuilders) {
Mapper mapper = builder.build(context);
mappers.put(mapper.simpleName(), mapper);
}
context.path().pathType(origPathType);
context.path().remove();
ObjectMapper objectMapper =
createMapper(
name,
context.path().fullPathAsText(name),
enabled,
nested,
dynamic,
pathType,
mappers,
context.indexSettings());
objectMapper.includeInAllIfNotSet(includeInAll);
return (Y) objectMapper;
}
private static ObjectMapper parseValue(
final ParseContext context,
ObjectMapper parentMapper,
String currentFieldName,
XContentParser.Token token)
throws IOException {
if (currentFieldName == null) {
throw new MapperParsingException(
"object mapping ["
+ parentMapper.name()
+ "] trying to serialize a value with no field associated with it, current value ["
+ context.parser().textOrNull()
+ "]");
}
Mapper mapper = parentMapper.getMapper(currentFieldName);
if (mapper != null) {
Mapper subUpdate = parseObjectOrField(context, mapper);
if (subUpdate == null) {
return null;
}
return parentMapper.mappingUpdate(subUpdate);
} else {
return parseDynamicValue(context, parentMapper, currentFieldName, token);
}
}
/** Resolves the closest inherited {@link ObjectMapper} that is nested. */
public ObjectMapper resolveClosestNestedObjectMapper(String fieldName) {
int indexOf = fieldName.lastIndexOf('.');
if (indexOf == -1) {
return null;
} else {
do {
String objectPath = fieldName.substring(0, indexOf);
ObjectMappers objectMappers = objectMapper(objectPath);
if (objectMappers == null) {
return null;
}
if (objectMappers.hasNested()) {
for (ObjectMapper objectMapper : objectMappers) {
if (objectMapper.nested().isNested()) {
return objectMapper;
}
}
}
indexOf = objectPath.lastIndexOf('.');
} while (indexOf != -1);
}
return null;
}
/** Build a mapping update with the provided sub mapping update. */
public ObjectMapper mappingUpdate(Mapper mapper) {
ObjectMapper mappingUpdate = clone();
// reset the sub mappers
mappingUpdate.mappers = new CopyOnWriteHashMap<>();
mappingUpdate.putMapper(mapper);
return mappingUpdate;
}
private void removeObjectFieldMappers(DocumentMapper docMapper) {
// we need to remove those mappers
for (FieldMapper mapper : docMapper.mappers()) {
FieldMappers mappers = nameFieldMappers.get(mapper.names().name());
if (mappers != null) {
mappers = mappers.remove(mapper);
if (mappers.isEmpty()) {
nameFieldMappers =
newMapBuilder(nameFieldMappers).remove(mapper.names().name()).immutableMap();
} else {
nameFieldMappers =
newMapBuilder(nameFieldMappers).put(mapper.names().name(), mappers).immutableMap();
}
}
mappers = indexNameFieldMappers.get(mapper.names().indexName());
if (mappers != null) {
mappers = mappers.remove(mapper);
if (mappers.isEmpty()) {
indexNameFieldMappers =
newMapBuilder(indexNameFieldMappers)
.remove(mapper.names().indexName())
.immutableMap();
} else {
indexNameFieldMappers =
newMapBuilder(indexNameFieldMappers)
.put(mapper.names().indexName(), mappers)
.immutableMap();
}
}
mappers = fullNameFieldMappers.get(mapper.names().fullName());
if (mappers != null) {
mappers = mappers.remove(mapper);
if (mappers.isEmpty()) {
fullNameFieldMappers =
newMapBuilder(fullNameFieldMappers).remove(mapper.names().fullName()).immutableMap();
} else {
fullNameFieldMappers =
newMapBuilder(fullNameFieldMappers)
.put(mapper.names().fullName(), mappers)
.immutableMap();
}
}
}
for (ObjectMapper mapper : docMapper.objectMappers().values()) {
ObjectMappers mappers = objectMappers.get(mapper.fullPath());
if (mappers != null) {
mappers = mappers.remove(mapper);
if (mappers.isEmpty()) {
objectMappers = newMapBuilder(objectMappers).remove(mapper.fullPath()).immutableMap();
} else {
objectMappers =
newMapBuilder(objectMappers).put(mapper.fullPath(), mappers).immutableMap();
}
}
}
}
private void removeObjectAndFieldMappers(DocumentMapper docMapper) {
// we need to remove those mappers
MapBuilder<String, FieldMappers> nameFieldMappers = newMapBuilder(this.nameFieldMappers);
MapBuilder<String, FieldMappers> indexNameFieldMappers =
newMapBuilder(this.indexNameFieldMappers);
MapBuilder<String, FieldMappers> fullNameFieldMappers =
newMapBuilder(this.fullNameFieldMappers);
for (FieldMapper mapper : docMapper.mappers()) {
FieldMappers mappers = nameFieldMappers.get(mapper.names().name());
if (mappers != null) {
mappers = mappers.remove(mapper);
if (mappers.isEmpty()) {
nameFieldMappers.remove(mapper.names().name());
} else {
nameFieldMappers.put(mapper.names().name(), mappers);
}
}
mappers = indexNameFieldMappers.get(mapper.names().indexName());
if (mappers != null) {
mappers = mappers.remove(mapper);
if (mappers.isEmpty()) {
indexNameFieldMappers.remove(mapper.names().indexName());
} else {
indexNameFieldMappers.put(mapper.names().indexName(), mappers);
}
}
mappers = fullNameFieldMappers.get(mapper.names().fullName());
if (mappers != null) {
mappers = mappers.remove(mapper);
if (mappers.isEmpty()) {
fullNameFieldMappers.remove(mapper.names().fullName());
} else {
fullNameFieldMappers.put(mapper.names().fullName(), mappers);
}
}
}
this.nameFieldMappers = nameFieldMappers.map();
this.indexNameFieldMappers = indexNameFieldMappers.map();
this.fullNameFieldMappers = fullNameFieldMappers.map();
MapBuilder<String, ObjectMappers> fullPathObjectMappers =
newMapBuilder(this.fullPathObjectMappers);
for (ObjectMapper mapper : docMapper.objectMappers().values()) {
ObjectMappers mappers = fullPathObjectMappers.get(mapper.fullPath());
if (mappers != null) {
mappers = mappers.remove(mapper);
if (mappers.isEmpty()) {
fullPathObjectMappers.remove(mapper.fullPath());
} else {
fullPathObjectMappers.put(mapper.fullPath(), mappers);
}
}
}
this.fullPathObjectMappers = fullPathObjectMappers.map();
}
// TODO: We should add: ObjectMapper#getParentObjectMapper()
public ObjectMapper findParentObjectMapper(ObjectMapper objectMapper) {
int indexOfLastDot = objectMapper.fullPath().lastIndexOf('.');
if (indexOfLastDot != -1) {
String parentNestObjectPath = objectMapper.fullPath().substring(0, indexOfLastDot);
return objectMappers().get(parentNestObjectPath);
} else {
return null;
}
}
private static void parseNullValue(ParseContext context, ObjectMapper parentMapper, String lastFieldName) throws IOException {
// we can only handle null values if we have mappings for them
Mapper mapper = parentMapper.getMapper(lastFieldName);
if (mapper != null) {
// TODO: passing null to an object seems bogus?
parseObjectOrField(context, mapper);
} else if (parentMapper.dynamic() == ObjectMapper.Dynamic.STRICT) {
throw new StrictDynamicMappingException(parentMapper.fullPath(), lastFieldName);
}
}
private void setPathLevel() {
ObjectMapper objectMapper = parseContext.nestedScope().getObjectMapper();
if (objectMapper == null) {
parentFilter = parseContext.fixedBitSetFilter(NonNestedDocsFilter.INSTANCE);
} else {
parentFilter = parseContext.fixedBitSetFilter(objectMapper.nestedTypeFilter());
}
childFilter = parseContext.fixedBitSetFilter(nestedObjectMapper.nestedTypeFilter());
parentObjectMapper = parseContext.nestedScope().nextLevel(nestedObjectMapper);
}
private static ObjectMapper parseDynamicValue(final ParseContext context, ObjectMapper parentMapper, String currentFieldName, XContentParser.Token token) throws IOException {
ObjectMapper.Dynamic dynamic = parentMapper.dynamic();
if (dynamic == null) {
dynamic = dynamicOrDefault(context.root().dynamic());
}
if (dynamic == ObjectMapper.Dynamic.STRICT) {
throw new StrictDynamicMappingException(parentMapper.fullPath(), currentFieldName);
}
if (dynamic == ObjectMapper.Dynamic.FALSE) {
return null;
}
final Mapper.BuilderContext builderContext = new Mapper.BuilderContext(context.indexSettings(), context.path());
final MappedFieldType existingFieldType = context.mapperService().fullName(context.path().fullPathAsText(currentFieldName));
Mapper.Builder builder = null;
if (existingFieldType != null) {
// create a builder of the same type
builder = createBuilderFromFieldType(context, existingFieldType, currentFieldName);
if (builder != null) {
// best-effort to not introduce a conflict
if (builder instanceof StringFieldMapper.Builder) {
StringFieldMapper.Builder stringBuilder = (StringFieldMapper.Builder) builder;
stringBuilder.fieldDataSettings(existingFieldType.fieldDataType().getSettings());
stringBuilder.store(existingFieldType.stored());
stringBuilder.indexOptions(existingFieldType.indexOptions());
stringBuilder.tokenized(existingFieldType.tokenized());
stringBuilder.omitNorms(existingFieldType.omitNorms());
stringBuilder.docValues(existingFieldType.hasDocValues());
stringBuilder.indexAnalyzer(existingFieldType.indexAnalyzer());
stringBuilder.searchAnalyzer(existingFieldType.searchAnalyzer());
} else if (builder instanceof NumberFieldMapper.Builder) {
NumberFieldMapper.Builder<?,?> numberBuilder = (NumberFieldMapper.Builder<?, ?>) builder;
numberBuilder.fieldDataSettings(existingFieldType.fieldDataType().getSettings());
numberBuilder.store(existingFieldType.stored());
numberBuilder.indexOptions(existingFieldType.indexOptions());
numberBuilder.tokenized(existingFieldType.tokenized());
numberBuilder.omitNorms(existingFieldType.omitNorms());
numberBuilder.docValues(existingFieldType.hasDocValues());
numberBuilder.precisionStep(existingFieldType.numericPrecisionStep());
}
}
}
if (builder == null) {
builder = createBuilderFromDynamicValue(context, token, currentFieldName);
}
Mapper mapper = builder.build(builderContext);
mapper = parseAndMergeUpdate(mapper, context);
ObjectMapper update = null;
if (mapper != null) {
update = parentMapper.mappingUpdate(mapper);
}
return update;
}
protected void addMappers(
Collection<ObjectMapper> objectMappers, Collection<FieldMapper> fieldMappers) {
assert mappingLock.isWriteLockedByCurrentThread();
ImmutableOpenMap.Builder<String, ObjectMapper> fullPathObjectMappers =
ImmutableOpenMap.builder(this.fullPathObjectMappers);
for (ObjectMapper objectMapper : objectMappers) {
fullPathObjectMappers.put(objectMapper.fullPath(), objectMapper);
if (objectMapper.nested().isNested()) {
hasNested = true;
}
}
this.fullPathObjectMappers = fullPathObjectMappers.build();
this.fieldTypes = this.fieldTypes.copyAndAddAll(fieldMappers);
}
private void checkFieldUniqueness(
String type, Collection<ObjectMapper> objectMappers, Collection<FieldMapper> fieldMappers) {
assert Thread.holdsLock(this);
// first check within mapping
final Set<String> objectFullNames = new HashSet<>();
for (ObjectMapper objectMapper : objectMappers) {
final String fullPath = objectMapper.fullPath();
if (objectFullNames.add(fullPath) == false) {
throw new IllegalArgumentException(
"Object mapper [" + fullPath + "] is defined twice in mapping for type [" + type + "]");
}
}
final Set<String> fieldNames = new HashSet<>();
for (FieldMapper fieldMapper : fieldMappers) {
final String name = fieldMapper.name();
if (objectFullNames.contains(name)) {
throw new IllegalArgumentException(
"Field [" + name + "] is defined both as an object and a field in [" + type + "]");
} else if (fieldNames.add(name) == false) {
throw new IllegalArgumentException(
"Field [" + name + "] is defined twice in [" + type + "]");
}
}
// then check other types
for (String fieldName : fieldNames) {
if (fullPathObjectMappers.containsKey(fieldName)) {
throw new IllegalArgumentException(
"["
+ fieldName
+ "] is defined as a field in mapping ["
+ type
+ "] but this name is already used for an object in other types");
}
}
for (String objectPath : objectFullNames) {
if (fieldTypes.get(objectPath) != null) {
throw new IllegalArgumentException(
"["
+ objectPath
+ "] is defined as an object in mapping ["
+ type
+ "] but this name is already used for a field in other types");
}
}
}
@Override
public void objectMapper(ObjectMapper objectMapper) {
ObjectMappers mappers = objectMappers.get(objectMapper.fullPath());
if (mappers == null) {
mappers = new ObjectMappers(objectMapper);
} else {
mappers = mappers.concat(objectMapper);
}
objectMappers =
newMapBuilder(objectMappers).put(objectMapper.fullPath(), mappers).immutableMap();
// update the hasNested flag
if (objectMapper.nested().isNested()) {
hasNested = true;
}
}
private void addObjectMappers(ObjectMapper... objectMappers) {
synchronized (mutex) {
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();
}
for (ObjectMapperListener objectMapperListener : objectMapperListeners) {
objectMapperListener.objectMappers(objectMappers);
}
}
private static ObjectMapper parseArray(
ParseContext context, ObjectMapper parentMapper, String lastFieldName) throws IOException {
String arrayFieldName = lastFieldName;
Mapper mapper = parentMapper.getMapper(lastFieldName);
if (mapper != null) {
// There is a concrete mapper for this field already. Need to check if the mapper
// expects an array, if so we pass the context straight to the mapper and if not
// we serialize the array components
if (mapper instanceof ArrayValueMapperParser) {
final Mapper subUpdate = parseObjectOrField(context, mapper);
if (subUpdate != null) {
// propagate the mapping update
return parentMapper.mappingUpdate(subUpdate);
} else {
return null;
}
} else {
return parseNonDynamicArray(context, parentMapper, lastFieldName, arrayFieldName);
}
} else {
ObjectMapper.Dynamic dynamic = parentMapper.dynamic();
if (dynamic == null) {
dynamic = dynamicOrDefault(context.root().dynamic());
}
if (dynamic == ObjectMapper.Dynamic.STRICT) {
throw new StrictDynamicMappingException(parentMapper.fullPath(), arrayFieldName);
} else if (dynamic == ObjectMapper.Dynamic.TRUE) {
Mapper.Builder builder =
context.root().findTemplateBuilder(context, arrayFieldName, "object");
if (builder == null) {
return parseNonDynamicArray(context, parentMapper, lastFieldName, arrayFieldName);
}
Mapper.BuilderContext builderContext =
new Mapper.BuilderContext(context.indexSettings(), context.path());
mapper = builder.build(builderContext);
if (mapper != null && mapper instanceof ArrayValueMapperParser) {
context.path().add(arrayFieldName);
mapper = parseAndMergeUpdate(mapper, context);
return parentMapper.mappingUpdate(mapper);
} else {
return parseNonDynamicArray(context, parentMapper, lastFieldName, arrayFieldName);
}
} else {
return parseNonDynamicArray(context, parentMapper, lastFieldName, arrayFieldName);
}
}
}
private void checkObjectsCompatibility(
String type,
Collection<ObjectMapper> objectMappers,
Collection<FieldMapper> fieldMappers,
boolean updateAllTypes) {
assert Thread.holdsLock(this);
for (ObjectMapper newObjectMapper : objectMappers) {
ObjectMapper existingObjectMapper = fullPathObjectMappers.get(newObjectMapper.fullPath());
if (existingObjectMapper != null) {
// simulate a merge and ignore the result, we are just interested
// in exceptions here
existingObjectMapper.merge(newObjectMapper, updateAllTypes);
}
}
}
private static ObjectMapper parseNonDynamicArray(
ParseContext context, ObjectMapper mapper, String lastFieldName, String arrayFieldName)
throws IOException {
XContentParser parser = context.parser();
XContentParser.Token token;
while ((token = parser.nextToken()) != XContentParser.Token.END_ARRAY) {
if (token == XContentParser.Token.START_OBJECT) {
return parseObject(context, mapper, lastFieldName);
} else if (token == XContentParser.Token.START_ARRAY) {
return parseArray(context, mapper, lastFieldName);
} else if (token == XContentParser.Token.FIELD_NAME) {
lastFieldName = parser.currentName();
} else if (token == XContentParser.Token.VALUE_NULL) {
parseNullValue(context, mapper, lastFieldName);
} else if (token == null) {
throw new MapperParsingException(
"object mapping for ["
+ mapper.name()
+ "] with array for ["
+ arrayFieldName
+ "] tried to parse as array, but got EOF, is there a mismatch in types for the same field?");
} else {
return parseValue(context, mapper, lastFieldName, token);
}
}
return null;
}
private void checkNestedFieldsLimit(Map<String, ObjectMapper> fullPathObjectMappers) {
long allowedNestedFields = indexSettings.getValue(INDEX_MAPPING_NESTED_FIELDS_LIMIT_SETTING);
long actualNestedFields = 0;
for (ObjectMapper objectMapper : fullPathObjectMappers.values()) {
if (objectMapper.nested().isNested()) {
actualNestedFields++;
}
}
if (actualNestedFields > allowedNestedFields) {
throw new IllegalArgumentException(
"Limit of nested fields ["
+ allowedNestedFields
+ "] in index ["
+ index().getName()
+ "] has been exceeded");
}
}
private static ObjectMapper parseObject(
final ParseContext context, ObjectMapper mapper, String currentFieldName) throws IOException {
if (currentFieldName == null) {
throw new MapperParsingException(
"object mapping ["
+ mapper.name()
+ "] trying to serialize an object with no field associated with it, current value ["
+ context.parser().textOrNull()
+ "]");
}
context.path().add(currentFieldName);
ObjectMapper update = null;
Mapper objectMapper = mapper.getMapper(currentFieldName);
if (objectMapper != null) {
final Mapper subUpdate = parseObjectOrField(context, objectMapper);
if (subUpdate != null) {
// propagate mapping update
update = mapper.mappingUpdate(subUpdate);
}
} else {
ObjectMapper.Dynamic dynamic = mapper.dynamic();
if (dynamic == null) {
dynamic = dynamicOrDefault(context.root().dynamic());
}
if (dynamic == ObjectMapper.Dynamic.STRICT) {
throw new StrictDynamicMappingException(mapper.fullPath(), currentFieldName);
} else if (dynamic == ObjectMapper.Dynamic.TRUE) {
// remove the current field name from path, since template search and the object builder add
// it as well...
context.path().remove();
Mapper.Builder builder =
context.root().findTemplateBuilder(context, currentFieldName, "object");
if (builder == null) {
builder = MapperBuilders.object(currentFieldName).enabled(true);
// if this is a non root object, then explicitly set the dynamic behavior if set
if (!(mapper instanceof RootObjectMapper)
&& mapper.dynamic() != ObjectMapper.Defaults.DYNAMIC) {
((ObjectMapper.Builder) builder).dynamic(mapper.dynamic());
}
}
Mapper.BuilderContext builderContext =
new Mapper.BuilderContext(context.indexSettings(), context.path());
objectMapper = builder.build(builderContext);
context.path().add(currentFieldName);
update = mapper.mappingUpdate(parseAndMergeUpdate(objectMapper, context));
} else {
// not dynamic, read everything up to end object
context.parser().skipChildren();
}
}
context.path().remove();
return update;
}
/** Creates an copy of the current field with given field name and boost */
private static void parseCopy(String field, ParseContext context) throws IOException {
FieldMapper fieldMapper = context.docMapper().mappers().getMapper(field);
if (fieldMapper != null) {
fieldMapper.parse(context);
} else {
// The path of the dest field might be completely different from the current one so we need to reset it
context = context.overridePath(new ContentPath(0));
ObjectMapper mapper = context.root();
String objectPath = "";
String fieldPath = field;
int posDot = field.lastIndexOf('.');
if (posDot > 0) {
objectPath = field.substring(0, posDot);
context.path().add(objectPath);
mapper = context.docMapper().objectMappers().get(objectPath);
fieldPath = field.substring(posDot + 1);
}
if (mapper == null) {
//TODO: Create an object dynamically?
throw new MapperParsingException("attempt to copy value to non-existing object [" + field + "]");
}
ObjectMapper update = parseDynamicValue(context, mapper, fieldPath, context.parser().currentToken());
assert update != null; // we are parsing a dynamic value so we necessarily created a new mapping
// propagate the update to the root
while (objectPath.length() > 0) {
String parentPath = "";
ObjectMapper parent = context.root();
posDot = objectPath.lastIndexOf('.');
if (posDot > 0) {
parentPath = objectPath.substring(0, posDot);
parent = context.docMapper().objectMappers().get(parentPath);
}
if (parent == null) {
throw new IllegalStateException("[" + objectPath + "] has no parent for path [" + parentPath + "]");
}
update = parent.mappingUpdate(update);
objectPath = parentPath;
}
context.addDynamicMappingsUpdate(update);
}
}
private void addObjectMappers(ObjectMapper[] objectMappers) {
synchronized (mutex) {
MapBuilder<String, ObjectMappers> fullPathObjectMappers =
newMapBuilder(this.fullPathObjectMappers);
for (ObjectMapper objectMapper : objectMappers) {
ObjectMappers mappers = fullPathObjectMappers.get(objectMapper.fullPath());
if (mappers == null) {
mappers = new ObjectMappers(objectMapper);
} else {
mappers = mappers.concat(objectMapper);
}
fullPathObjectMappers.put(objectMapper.fullPath(), mappers);
// update the hasNested flag
if (objectMapper.nested().isNested()) {
hasNested = true;
}
}
this.fullPathObjectMappers = fullPathObjectMappers.map();
}
}
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);
}
private void removeObjectAndFieldMappers(DocumentMapper docMapper) {
synchronized (mappersMutex) {
fieldMappers.removeMappers(docMapper.mappers());
ImmutableOpenMap.Builder<String, ObjectMappers> fullPathObjectMappers =
ImmutableOpenMap.builder(this.fullPathObjectMappers);
for (ObjectMapper mapper : docMapper.objectMappers().values()) {
ObjectMappers mappers = fullPathObjectMappers.get(mapper.fullPath());
if (mappers != null) {
mappers = mappers.remove(mapper);
if (mappers.isEmpty()) {
fullPathObjectMappers.remove(mapper.fullPath());
} else {
fullPathObjectMappers.put(mapper.fullPath(), mappers);
}
}
}
this.fullPathObjectMappers = fullPathObjectMappers.build();
}
}
protected void checkNewMappersCompatibility(
Collection<ObjectMapper> newObjectMappers,
Collection<FieldMapper> newFieldMappers,
boolean updateAllTypes) {
assert mappingLock.isWriteLockedByCurrentThread();
for (ObjectMapper newObjectMapper : newObjectMappers) {
ObjectMapper existingObjectMapper = fullPathObjectMappers.get(newObjectMapper.fullPath());
if (existingObjectMapper != null) {
MergeResult result = new MergeResult(true, updateAllTypes);
existingObjectMapper.merge(newObjectMapper, result);
if (result.hasConflicts()) {
throw new IllegalArgumentException(
"Mapper for ["
+ newObjectMapper.fullPath()
+ "] conflicts with existing mapping in other types"
+ Arrays.toString(result.buildConflicts()));
}
}
}
fieldTypes.checkCompatibility(newFieldMappers, updateAllTypes);
}
/**
* Returns the best nested {@link ObjectMapper} instances that is in the scope of the specified
* nested docId.
*/
public ObjectMapper findNestedObjectMapper(
int nestedDocId, SearchContext sc, LeafReaderContext context) throws IOException {
ObjectMapper nestedObjectMapper = null;
for (ObjectMapper objectMapper : objectMappers().values()) {
if (!objectMapper.nested().isNested()) {
continue;
}
Filter filter = objectMapper.nestedTypeFilter();
if (filter == null) {
continue;
}
// We can pass down 'null' as acceptedDocs, because nestedDocId is a doc to be fetched and
// therefor is guaranteed to be a live doc.
DocIdSet nestedTypeSet = filter.getDocIdSet(context, null);
if (nestedTypeSet == null) {
continue;
}
DocIdSetIterator iterator = nestedTypeSet.iterator();
if (iterator == null) {
continue;
}
if (iterator.advance(nestedDocId) == nestedDocId) {
if (nestedObjectMapper == null) {
nestedObjectMapper = objectMapper;
} else {
if (nestedObjectMapper.fullPath().length() < objectMapper.fullPath().length()) {
nestedObjectMapper = objectMapper;
}
}
}
}
return nestedObjectMapper;
}
@Override
public TopDocs topDocs(SearchContext context, FetchSubPhase.HitContext hitContext)
throws IOException {
Filter rawParentFilter;
if (parentObjectMapper == null) {
rawParentFilter = NonNestedDocsFilter.INSTANCE;
} else {
rawParentFilter = parentObjectMapper.nestedTypeFilter();
}
FixedBitSetFilter parentFilter =
context.fixedBitSetFilterCache().getFixedBitSetFilter(rawParentFilter);
Filter childFilter = context.filterCache().cache(childObjectMapper.nestedTypeFilter());
Query q =
new XFilteredQuery(
query, new NestedChildrenFilter(parentFilter, childFilter, hitContext));
if (size() == 0) {
TotalHitCountCollector collector = new TotalHitCountCollector();
context.searcher().search(q, collector);
return new TopDocs(collector.getTotalHits(), Lucene.EMPTY_SCORE_DOCS, 0);
} else {
int topN = from() + size();
TopDocsCollector topDocsCollector;
if (sort() != null) {
try {
topDocsCollector =
TopFieldCollector.create(sort(), topN, true, trackScores(), trackScores(), true);
} catch (IOException e) {
throw ExceptionsHelper.convertToElastic(e);
}
} else {
topDocsCollector = TopScoreDocCollector.create(topN, true);
}
context.searcher().search(q, topDocsCollector);
return topDocsCollector.topDocs(from(), size());
}
}
public void setPath(String path) {
this.path = path;
MapperService.SmartNameObjectMapper smart = parseContext.smartObjectMapper(path);
if (smart == null) {
throw new QueryParsingException(
parseContext.index(), "[nested] failed to find nested object under path [" + path + "]");
}
childDocumentMapper = smart.docMapper();
nestedObjectMapper = smart.mapper();
if (nestedObjectMapper == null) {
throw new QueryParsingException(
parseContext.index(), "[nested] failed to find nested object under path [" + path + "]");
}
if (!nestedObjectMapper.nested().isNested()) {
throw new QueryParsingException(
parseContext.index(),
"[nested] nested object under path [" + path + "] is not of nested type");
}
}
private InternalSearchHit.InternalNestedIdentity getInternalNestedIdentity(
SearchContext context,
int nestedSubDocId,
LeafReaderContext subReaderContext,
DocumentMapper documentMapper,
ObjectMapper nestedObjectMapper)
throws IOException {
int currentParent = nestedSubDocId;
ObjectMapper nestedParentObjectMapper;
StringBuilder field = new StringBuilder();
ObjectMapper current = nestedObjectMapper;
InternalSearchHit.InternalNestedIdentity nestedIdentity = null;
do {
Filter parentFilter;
nestedParentObjectMapper = documentMapper.findParentObjectMapper(current);
if (field.length() != 0) {
field.insert(0, '.');
}
field.insert(0, current.name());
if (nestedParentObjectMapper != null) {
if (nestedParentObjectMapper.nested().isNested() == false) {
current = nestedParentObjectMapper;
continue;
}
parentFilter = nestedParentObjectMapper.nestedTypeFilter();
} else {
parentFilter = Queries.newNonNestedFilter();
}
Filter childFilter = nestedObjectMapper.nestedTypeFilter();
if (childFilter == null) {
current = nestedParentObjectMapper;
continue;
}
// We can pass down 'null' as acceptedDocs, because we're fetching matched docId that matched
// in the query phase.
DocIdSet childDocSet = childFilter.getDocIdSet(subReaderContext, null);
if (childDocSet == null) {
current = nestedParentObjectMapper;
continue;
}
DocIdSetIterator childIter = childDocSet.iterator();
if (childIter == null) {
current = nestedParentObjectMapper;
continue;
}
BitDocIdSet parentBitSet =
context
.bitsetFilterCache()
.getBitDocIdSetFilter(parentFilter)
.getDocIdSet(subReaderContext);
BitSet parentBits = parentBitSet.bits();
int offset = 0;
int nextParent = parentBits.nextSetBit(currentParent);
for (int docId = childIter.advance(currentParent + 1);
docId < nextParent && docId != DocIdSetIterator.NO_MORE_DOCS;
docId = childIter.nextDoc()) {
offset++;
}
currentParent = nextParent;
current = nestedObjectMapper = nestedParentObjectMapper;
nestedIdentity =
new InternalSearchHit.InternalNestedIdentity(field.toString(), offset, nestedIdentity);
field = new StringBuilder();
} while (current != null);
return nestedIdentity;
}
public DocumentMapper(
String index,
@Nullable Settings indexSettings,
DocumentMapperParser docMapperParser,
RootObjectMapper rootObjectMapper,
ImmutableMap<String, Object> meta,
NamedAnalyzer indexAnalyzer,
NamedAnalyzer searchAnalyzer,
NamedAnalyzer searchQuoteAnalyzer,
Map<Class<? extends RootMapper>, RootMapper> rootMappers) {
this.index = index;
this.indexSettings = indexSettings;
this.type = rootObjectMapper.name();
this.docMapperParser = docMapperParser;
this.meta = meta;
this.rootObjectMapper = rootObjectMapper;
this.rootMappers = ImmutableMap.copyOf(rootMappers);
this.rootMappersOrdered =
rootMappers.values().toArray(new RootMapper[rootMappers.values().size()]);
List<RootMapper> rootMappersNotIncludedInObjectLst = newArrayList();
for (RootMapper rootMapper : rootMappersOrdered) {
if (!rootMapper.includeInObject()) {
rootMappersNotIncludedInObjectLst.add(rootMapper);
}
}
this.rootMappersNotIncludedInObject =
rootMappersNotIncludedInObjectLst.toArray(
new RootMapper[rootMappersNotIncludedInObjectLst.size()]);
this.indexAnalyzer = indexAnalyzer;
this.searchAnalyzer = searchAnalyzer;
this.searchQuoteAnalyzer = searchQuoteAnalyzer != null ? searchQuoteAnalyzer : searchAnalyzer;
this.typeFilter = typeMapper().termFilter(type, null);
if (rootMapper(ParentFieldMapper.class) != null) {
// mark the routing field mapper as required
rootMapper(RoutingFieldMapper.class).markAsRequired();
}
FieldMapperListener.Aggregator fieldMappersAgg = new FieldMapperListener.Aggregator();
for (RootMapper rootMapper : rootMappersOrdered) {
if (rootMapper.includeInObject()) {
rootObjectMapper.putMapper(rootMapper);
} else {
if (rootMapper instanceof FieldMapper) {
fieldMappersAgg.mappers.add((FieldMapper) rootMapper);
}
}
}
// now traverse and get all the statically defined ones
rootObjectMapper.traverse(fieldMappersAgg);
this.fieldMappers = new DocumentFieldMappers(this, fieldMappersAgg.mappers);
final Map<String, ObjectMapper> objectMappers = Maps.newHashMap();
rootObjectMapper.traverse(
new ObjectMapperListener() {
@Override
public void objectMapper(ObjectMapper objectMapper) {
objectMappers.put(objectMapper.fullPath(), objectMapper);
}
});
this.objectMappers = ImmutableMap.copyOf(objectMappers);
for (ObjectMapper objectMapper : objectMappers.values()) {
if (objectMapper.nested().isNested()) {
hasNestedObjects = true;
}
}
refreshSource();
}
private synchronized DocumentMapper merge(
DocumentMapper mapper, MergeReason reason, boolean updateAllTypes) {
if (mapper.type().length() == 0) {
throw new InvalidTypeNameException("mapping type name is empty");
}
if (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 (mapper.type().equals(mapper.parentFieldMapper().type())) {
throw new IllegalArgumentException("The [_parent.type] option can't point to the same type");
}
if (typeNameStartsWithIllegalDot(mapper)) {
throw new IllegalArgumentException(
"mapping type name [" + mapper.type() + "] must not start with a '.'");
}
// 1. compute the merged DocumentMapper
DocumentMapper oldMapper = mappers.get(mapper.type());
DocumentMapper newMapper;
if (oldMapper != null) {
newMapper = oldMapper.merge(mapper.mapping(), updateAllTypes);
} else {
newMapper = mapper;
}
// 2. check basic sanity of the new mapping
List<ObjectMapper> objectMappers = new ArrayList<>();
List<FieldMapper> fieldMappers = new ArrayList<>();
Collections.addAll(fieldMappers, newMapper.mapping().metadataMappers);
MapperUtils.collect(newMapper.mapping().root(), objectMappers, fieldMappers);
checkFieldUniqueness(newMapper.type(), objectMappers, fieldMappers);
checkObjectsCompatibility(newMapper.type(), objectMappers, fieldMappers, updateAllTypes);
// 3. update lookup data-structures
// this will in particular make sure that the merged fields are compatible with other types
FieldTypeLookup fieldTypes =
this.fieldTypes.copyAndAddAll(newMapper.type(), fieldMappers, updateAllTypes);
boolean hasNested = this.hasNested;
Map<String, ObjectMapper> fullPathObjectMappers = new HashMap<>(this.fullPathObjectMappers);
for (ObjectMapper objectMapper : objectMappers) {
fullPathObjectMappers.put(objectMapper.fullPath(), objectMapper);
if (objectMapper.nested().isNested()) {
hasNested = true;
}
}
fullPathObjectMappers = Collections.unmodifiableMap(fullPathObjectMappers);
if (reason == MergeReason.MAPPING_UPDATE) {
// this check will only be performed on the master node when there is
// a call to the update mapping API. For all other cases like
// the master node restoring mappings from disk or data nodes
// deserializing cluster state that was sent by the master node,
// this check will be skipped.
checkNestedFieldsLimit(fullPathObjectMappers);
checkTotalFieldsLimit(objectMappers.size() + fieldMappers.size());
checkDepthLimit(fullPathObjectMappers.keySet());
checkPercolatorFieldLimit(fieldTypes);
}
Set<String> parentTypes = this.parentTypes;
if (oldMapper == null && newMapper.parentFieldMapper().active()) {
parentTypes = new HashSet<>(parentTypes.size() + 1);
parentTypes.addAll(this.parentTypes);
parentTypes.add(mapper.parentFieldMapper().type());
parentTypes = Collections.unmodifiableSet(parentTypes);
}
Map<String, DocumentMapper> mappers = new HashMap<>(this.mappers);
mappers.put(newMapper.type(), newMapper);
for (Map.Entry<String, DocumentMapper> entry : mappers.entrySet()) {
if (entry.getKey().equals(DEFAULT_MAPPING)) {
continue;
}
DocumentMapper m = entry.getValue();
// apply changes to the field types back
m = m.updateFieldType(fieldTypes.fullNameToFieldType);
entry.setValue(m);
}
mappers = Collections.unmodifiableMap(mappers);
// 4. commit the change
this.mappers = mappers;
this.fieldTypes = fieldTypes;
this.hasNested = hasNested;
this.fullPathObjectMappers = fullPathObjectMappers;
this.parentTypes = parentTypes;
assert assertSerialization(newMapper);
assert assertMappersShareSameFieldType();
return newMapper;
}
