private void serializeNullValue(ParseContext context, String lastFieldName) throws IOException {
// we can only handle null values if we have mappings for them
Mapper mapper = mappers.get(lastFieldName);
if (mapper != null) {
mapper.parse(context);
}
}
@Override
public void traverse(ObjectMapperListener objectMapperListener) {
objectMapperListener.objectMapper(this);
for (Mapper mapper : mappers.values()) {
mapper.traverse(objectMapperListener);
}
}
@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<String, Mapper>();
for (Mapper.Builder builder : mappersBuilders) {
Mapper mapper = builder.build(context);
mappers.put(mapper.name(), mapper);
}
context.path().pathType(origPathType);
context.path().remove();
ObjectMapper objectMapper =
createMapper(
name,
context.path().fullPathAsText(name),
enabled,
nested,
dynamic,
pathType,
mappers);
objectMapper.includeInAllIfNotSet(includeInAll);
return (Y) objectMapper;
}
public ObjectMapper putMapper(Mapper mapper) {
if (mapper instanceof AllFieldMapper.IncludeInAll) {
((AllFieldMapper.IncludeInAll) mapper).includeInAllIfNotSet(includeInAll);
}
synchronized (mutex) {
mappers = newMapBuilder(mappers).put(mapper.name(), mapper).immutableMap();
}
return this;
}
private void serializeArray(ParseContext context, String lastFieldName) throws IOException {
Mapper mapper = mappers.get(lastFieldName);
if (mapper != null && mapper instanceof ArrayValueMapperParser) {
mapper.parse(context);
} else {
XContentParser parser = context.parser();
XContentParser.Token token;
while ((token = parser.nextToken()) != XContentParser.Token.END_ARRAY) {
if (token == XContentParser.Token.START_OBJECT) {
serializeObject(context, lastFieldName);
} else if (token == XContentParser.Token.START_ARRAY) {
serializeArray(context, lastFieldName);
} else if (token == XContentParser.Token.FIELD_NAME) {
lastFieldName = parser.currentName();
} else if (token == XContentParser.Token.VALUE_NULL) {
serializeNullValue(context, lastFieldName);
} else {
serializeValue(context, lastFieldName, token);
}
}
}
}
public void toXContent(
XContentBuilder builder, Params params, ToXContent custom, Mapper... additionalMappers)
throws IOException {
builder.startObject(name);
if (nested.isNested()) {
builder.field("type", NESTED_CONTENT_TYPE);
if (nested.isIncludeInParent()) {
builder.field("include_in_parent", true);
}
if (nested.isIncludeInRoot()) {
builder.field("include_in_root", true);
}
} else if (mappers
.isEmpty()) { // only write the object content type if there are no properties, otherwise,
// it is automatically detected
builder.field("type", CONTENT_TYPE);
}
// grr, ugly! on root, dynamic defaults to TRUE, on children, it defaults to null to
// inherit the root behavior
if (this instanceof RootObjectMapper) {
if (dynamic != Dynamic.TRUE) {
builder.field("dynamic", dynamic.name().toLowerCase());
}
} else {
if (dynamic != Defaults.DYNAMIC) {
builder.field("dynamic", dynamic.name().toLowerCase());
}
}
if (enabled != Defaults.ENABLED) {
builder.field("enabled", enabled);
}
if (pathType != Defaults.PATH_TYPE) {
builder.field("path", pathType.name().toLowerCase());
}
if (includeInAll != null) {
builder.field("include_in_all", includeInAll);
}
if (custom != null) {
custom.toXContent(builder, params);
}
doXContent(builder, params);
// sort the mappers so we get consistent serialization format
TreeMap<String, Mapper> sortedMappers = new TreeMap<String, Mapper>(mappers);
// check internal mappers first (this is only relevant for root object)
for (Mapper mapper : sortedMappers.values()) {
if (mapper instanceof InternalMapper) {
mapper.toXContent(builder, params);
}
}
if (additionalMappers != null && additionalMappers.length > 0) {
TreeMap<String, Mapper> additionalSortedMappers = new TreeMap<String, Mapper>();
for (Mapper mapper : additionalMappers) {
additionalSortedMappers.put(mapper.name(), mapper);
}
for (Mapper mapper : additionalSortedMappers.values()) {
mapper.toXContent(builder, params);
}
}
if (!mappers.isEmpty()) {
builder.startObject("properties");
for (Mapper mapper : sortedMappers.values()) {
if (!(mapper instanceof InternalMapper)) {
mapper.toXContent(builder, params);
}
}
builder.endObject();
}
builder.endObject();
}
@Override
public void close() {
for (Mapper mapper : mappers.values()) {
mapper.close();
}
}
@Override
public void merge(final Mapper mergeWith, final MergeContext mergeContext)
throws MergeMappingException {
if (!(mergeWith instanceof ObjectMapper)) {
mergeContext.addConflict(
"Can't merge a non object mapping ["
+ mergeWith.name()
+ "] with an object mapping ["
+ name()
+ "]");
return;
}
ObjectMapper mergeWithObject = (ObjectMapper) mergeWith;
doMerge(mergeWithObject, mergeContext);
List<Mapper> mappersToTraverse = new ArrayList<Mapper>();
synchronized (mutex) {
for (Mapper mergeWithMapper : mergeWithObject.mappers.values()) {
Mapper mergeIntoMapper = mappers.get(mergeWithMapper.name());
if (mergeIntoMapper == null) {
// no mapping, simply add it if not simulating
if (!mergeContext.mergeFlags().simulate()) {
putMapper(mergeWithMapper);
mappersToTraverse.add(mergeWithMapper);
}
} else {
if ((mergeWithMapper instanceof MultiFieldMapper)
&& !(mergeIntoMapper instanceof MultiFieldMapper)) {
MultiFieldMapper mergeWithMultiField = (MultiFieldMapper) mergeWithMapper;
mergeWithMultiField.merge(mergeIntoMapper, mergeContext);
if (!mergeContext.mergeFlags().simulate()) {
putMapper(mergeWithMultiField);
// now, record mappers to traverse events for all mappers
for (Mapper mapper : mergeWithMultiField.mappers().values()) {
mappersToTraverse.add(mapper);
}
}
} else {
mergeIntoMapper.merge(mergeWithMapper, mergeContext);
}
}
}
}
// call this outside of the mutex
for (Mapper mapper : mappersToTraverse) {
mapper.traverse(
new FieldMapperListener() {
@Override
public void fieldMapper(FieldMapper fieldMapper) {
mergeContext.docMapper().addFieldMapper(fieldMapper);
}
});
mapper.traverse(
new ObjectMapperListener() {
@Override
public void objectMapper(ObjectMapper objectMapper) {
mergeContext.docMapper().addObjectMapper(objectMapper);
}
});
}
}
private void serializeValue(
final ParseContext context, String currentFieldName, XContentParser.Token token)
throws IOException {
if (currentFieldName == null) {
throw new MapperParsingException(
"object mapping ["
+ name
+ "] trying to serialize a value with no field associated with it, current value ["
+ context.parser().textOrNull()
+ "]");
}
Mapper mapper = mappers.get(currentFieldName);
if (mapper != null) {
mapper.parse(context);
return;
}
Dynamic dynamic = this.dynamic;
if (dynamic == null) {
dynamic = context.root().dynamic();
}
if (dynamic == Dynamic.STRICT) {
throw new StrictDynamicMappingException(currentFieldName);
}
if (dynamic == Dynamic.FALSE) {
return;
}
// we sync here since we don't want to add this field twice to the document mapper
// its not the end of the world, since we add it to the mappers once we create it
// so next time we won't even get here for this field
boolean newMapper = false;
synchronized (mutex) {
mapper = mappers.get(currentFieldName);
if (mapper == null) {
newMapper = true;
BuilderContext builderContext = new BuilderContext(context.indexSettings(), context.path());
if (token == XContentParser.Token.VALUE_STRING) {
boolean resolved = false;
// do a quick test to see if its fits a dynamic template, if so, use it.
// we need to do it here so we can handle things like attachment templates, where calling
// text (to see if its a date) causes the binary value to be cleared
if (!resolved) {
Mapper.Builder builder =
context.root().findTemplateBuilder(context, currentFieldName, "string", null);
if (builder != null) {
mapper = builder.build(builderContext);
resolved = true;
}
}
if (!resolved && context.parser().textLength() == 0) {
// empty string with no mapping, treat it like null value
return;
}
if (!resolved && context.root().dateDetection()) {
String text = context.parser().text();
// a safe check since "1" gets parsed as well
if (text.contains(":") || text.contains("-") || text.contains("/")) {
for (FormatDateTimeFormatter dateTimeFormatter :
context.root().dynamicDateTimeFormatters()) {
try {
dateTimeFormatter.parser().parseMillis(text);
Mapper.Builder builder =
context.root().findTemplateBuilder(context, currentFieldName, "date");
if (builder == null) {
builder = dateField(currentFieldName).dateTimeFormatter(dateTimeFormatter);
}
mapper = builder.build(builderContext);
resolved = true;
break;
} catch (Exception e) {
// failure to parse this, continue
}
}
}
}
if (!resolved && context.root().numericDetection()) {
String text = context.parser().text();
try {
Long.parseLong(text);
Mapper.Builder builder =
context.root().findTemplateBuilder(context, currentFieldName, "long");
if (builder == null) {
builder = longField(currentFieldName);
}
mapper = builder.build(builderContext);
resolved = true;
} catch (Exception e) {
// not a long number
}
if (!resolved) {
try {
Double.parseDouble(text);
Mapper.Builder builder =
context.root().findTemplateBuilder(context, currentFieldName, "double");
if (builder == null) {
builder = doubleField(currentFieldName);
}
mapper = builder.build(builderContext);
resolved = true;
} catch (Exception e) {
// not a long number
}
}
}
// DON'T do automatic ip detection logic, since it messes up with docs that have hosts and
// ips
// check if its an ip
// if (!resolved && text.indexOf('.') != -1) {
// try {
// IpFieldMapper.ipToLong(text);
// XContentMapper.Builder builder =
// context.root().findTemplateBuilder(context, currentFieldName, "ip");
// if (builder == null) {
// builder = ipField(currentFieldName);
// }
// mapper = builder.build(builderContext);
// resolved = true;
// } catch (Exception e) {
// // failure to parse, not ip...
// }
// }
if (!resolved) {
Mapper.Builder builder =
context.root().findTemplateBuilder(context, currentFieldName, "string");
if (builder == null) {
builder = stringField(currentFieldName);
}
mapper = builder.build(builderContext);
}
} else if (token == XContentParser.Token.VALUE_NUMBER) {
XContentParser.NumberType numberType = context.parser().numberType();
if (numberType == XContentParser.NumberType.INT) {
if (context.parser().estimatedNumberType()) {
Mapper.Builder builder =
context.root().findTemplateBuilder(context, currentFieldName, "long");
if (builder == null) {
builder = longField(currentFieldName);
}
mapper = builder.build(builderContext);
} else {
Mapper.Builder builder =
context.root().findTemplateBuilder(context, currentFieldName, "integer");
if (builder == null) {
builder = integerField(currentFieldName);
}
mapper = builder.build(builderContext);
}
} else if (numberType == XContentParser.NumberType.LONG) {
Mapper.Builder builder =
context.root().findTemplateBuilder(context, currentFieldName, "long");
if (builder == null) {
builder = longField(currentFieldName);
}
mapper = builder.build(builderContext);
} else if (numberType == XContentParser.NumberType.FLOAT) {
if (context.parser().estimatedNumberType()) {
Mapper.Builder builder =
context.root().findTemplateBuilder(context, currentFieldName, "double");
if (builder == null) {
builder = doubleField(currentFieldName);
}
mapper = builder.build(builderContext);
} else {
Mapper.Builder builder =
context.root().findTemplateBuilder(context, currentFieldName, "float");
if (builder == null) {
builder = floatField(currentFieldName);
}
mapper = builder.build(builderContext);
}
} else if (numberType == XContentParser.NumberType.DOUBLE) {
Mapper.Builder builder =
context.root().findTemplateBuilder(context, currentFieldName, "double");
if (builder == null) {
builder = doubleField(currentFieldName);
}
mapper = builder.build(builderContext);
}
} else if (token == XContentParser.Token.VALUE_BOOLEAN) {
Mapper.Builder builder =
context.root().findTemplateBuilder(context, currentFieldName, "boolean");
if (builder == null) {
builder = booleanField(currentFieldName);
}
mapper = builder.build(builderContext);
} else {
Mapper.Builder builder =
context.root().findTemplateBuilder(context, currentFieldName, null);
if (builder != null) {
mapper = builder.build(builderContext);
} else {
// TODO how do we identify dynamically that its a binary value?
throw new ElasticSearchIllegalStateException(
"Can't handle serializing a dynamic type with content token ["
+ token
+ "] and field name ["
+ currentFieldName
+ "]");
}
}
putMapper(mapper);
context.addedMapper();
}
}
if (newMapper) {
mapper.traverse(
new FieldMapperListener() {
@Override
public void fieldMapper(FieldMapper fieldMapper) {
context.docMapper().addFieldMapper(fieldMapper);
}
});
}
mapper.parse(context);
}
private void serializeObject(final ParseContext context, String currentFieldName)
throws IOException {
if (currentFieldName == null) {
throw new MapperParsingException(
"object mapping ["
+ name
+ "] trying to serialize an object with no field associated with it, current value ["
+ context.parser().textOrNull()
+ "]");
}
context.path().add(currentFieldName);
Mapper objectMapper = mappers.get(currentFieldName);
if (objectMapper != null) {
objectMapper.parse(context);
} else {
Dynamic dynamic = this.dynamic;
if (dynamic == null) {
dynamic = context.root().dynamic();
}
if (dynamic == Dynamic.STRICT) {
throw new StrictDynamicMappingException(currentFieldName);
} else if (dynamic == Dynamic.TRUE) {
// we sync here just so we won't add it twice. Its not the end of the world
// to sync here since next operations will get it before
boolean newMapper = false;
synchronized (mutex) {
objectMapper = mappers.get(currentFieldName);
if (objectMapper == null) {
newMapper = true;
Mapper.Builder builder =
context.root().findTemplateBuilder(context, currentFieldName, "object");
if (builder == null) {
builder =
MapperBuilders.object(currentFieldName)
.enabled(true)
.dynamic(dynamic)
.pathType(pathType);
}
// remove the current field name from path, since the object builder adds it as well...
context.path().remove();
BuilderContext builderContext =
new BuilderContext(context.indexSettings(), context.path());
objectMapper = builder.build(builderContext);
putMapper(objectMapper);
// now re add it
context.path().add(currentFieldName);
context.addedMapper();
}
}
// traverse and parse outside of the mutex
if (newMapper) {
// we need to traverse in case we have a dynamic template and need to add field mappers
// introduced by it
objectMapper.traverse(
new FieldMapperListener() {
@Override
public void fieldMapper(FieldMapper fieldMapper) {
context.docMapper().addFieldMapper(fieldMapper);
}
});
objectMapper.traverse(
new ObjectMapperListener() {
@Override
public void objectMapper(ObjectMapper objectMapper) {
context.docMapper().addObjectMapper(objectMapper);
}
});
}
// now, parse it
objectMapper.parse(context);
} else {
// not dynamic, read everything up to end object
context.parser().skipChildren();
}
}
context.path().remove();
}
@Override
public void traverse(FieldMapperListener fieldMapperListener) {
for (Mapper mapper : mappers.values()) {
mapper.traverse(fieldMapperListener);
}
}