/*
* Licensed to Elastic Search and Shay Banon under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Elastic Search licenses this
* file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.elasticsearch.index.mapper.object;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.document.Fieldable;
import org.apache.lucene.search.Filter;
import org.elasticsearch.ElasticSearchIllegalStateException;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.collect.ImmutableMap;
import org.elasticsearch.common.joda.FormatDateTimeFormatter;
import org.elasticsearch.common.lucene.search.TermFilter;
import org.elasticsearch.common.lucene.uid.UidField;
import org.elasticsearch.common.util.concurrent.ThreadSafe;
import org.elasticsearch.common.xcontent.ToXContent;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.index.mapper.*;
import org.elasticsearch.index.mapper.internal.AllFieldMapper;
import org.elasticsearch.index.mapper.internal.TypeFieldMapper;
import org.elasticsearch.index.mapper.internal.UidFieldMapper;
import org.elasticsearch.index.mapper.multifield.MultiFieldMapper;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;
import static org.elasticsearch.common.collect.ImmutableMap.*;
import static org.elasticsearch.common.collect.Lists.*;
import static org.elasticsearch.common.collect.MapBuilder.*;
import static org.elasticsearch.common.xcontent.support.XContentMapValues.*;
import static org.elasticsearch.index.mapper.MapperBuilders.*;
import static org.elasticsearch.index.mapper.core.TypeParsers.*;
/**
* @author kimchy (shay.banon)
*/
@ThreadSafe
public class ObjectMapper implements Mapper, AllFieldMapper.IncludeInAll {
public static final String CONTENT_TYPE = "object";
public static final String NESTED_CONTENT_TYPE = "nested";
public static class Defaults {
public static final boolean ENABLED = true;
public static final Nested NESTED = Nested.NO;
public static final Dynamic DYNAMIC = null; // not set, inherited from father
public static final ContentPath.Type PATH_TYPE = ContentPath.Type.FULL;
}
public static enum Dynamic {
TRUE,
FALSE,
STRICT
}
public static class Nested {
public static final Nested NO = new Nested(false, false, false);
public static Nested newNested(boolean includeInParent, boolean includeInRoot) {
return new Nested(true, includeInParent, includeInRoot);
}
private final boolean nested;
private final boolean includeInParent;
private final boolean includeInRoot;
private Nested(boolean nested, boolean includeInParent, boolean includeInRoot) {
this.nested = nested;
this.includeInParent = includeInParent;
this.includeInRoot = includeInRoot;
}
public boolean isNested() {
return nested;
}
public boolean isIncludeInParent() {
return includeInParent;
}
public boolean isIncludeInRoot() {
return includeInRoot;
}
}
public static class Builder<T extends Builder, Y extends ObjectMapper> extends Mapper.Builder<T, Y> {
protected boolean enabled = Defaults.ENABLED;
protected Nested nested = Defaults.NESTED;
protected Dynamic dynamic = Defaults.DYNAMIC;
protected ContentPath.Type pathType = Defaults.PATH_TYPE;
protected Boolean includeInAll;
protected final List<Mapper.Builder> mappersBuilders = newArrayList();
public Builder(String name) {
super(name);
this.builder = (T) this;
}
public T enabled(boolean enabled) {
this.enabled = enabled;
return builder;
}
public T dynamic(Dynamic dynamic) {
this.dynamic = dynamic;
return builder;
}
public T nested(Nested nested) {
this.nested = nested;
return builder;
}
public T pathType(ContentPath.Type pathType) {
this.pathType = pathType;
return builder;
}
public T includeInAll(boolean includeInAll) {
this.includeInAll = includeInAll;
return builder;
}
public T add(Mapper.Builder builder) {
mappersBuilders.add(builder);
return this.builder;
}
@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;
}
protected ObjectMapper createMapper(String name, String fullPath, boolean enabled, Nested nested, Dynamic dynamic, ContentPath.Type pathType, Map<String, Mapper> mappers) {
return new ObjectMapper(name, fullPath, enabled, nested, dynamic, pathType, mappers);
}
}
public static class TypeParser implements Mapper.TypeParser {
@Override public Mapper.Builder parse(String name, Map<String, Object> node, ParserContext parserContext) throws MapperParsingException {
Map<String, Object> objectNode = node;
ObjectMapper.Builder builder = createBuilder(name);
boolean nested = false;
boolean nestedIncludeInParent = false;
boolean nestedIncludeInRoot = false;
for (Map.Entry<String, Object> entry : objectNode.entrySet()) {
String fieldName = Strings.toUnderscoreCase(entry.getKey());
Object fieldNode = entry.getValue();
if (fieldName.equals("dynamic")) {
String value = fieldNode.toString();
if (value.equalsIgnoreCase("strict")) {
builder.dynamic(Dynamic.STRICT);
} else {
builder.dynamic(nodeBooleanValue(fieldNode) ? Dynamic.TRUE : Dynamic.FALSE);
}
} else if (fieldName.equals("type")) {
String type = fieldNode.toString();
if (type.equals(CONTENT_TYPE)) {
builder.nested = Nested.NO;
} else if (type.equals(NESTED_CONTENT_TYPE)) {
nested = true;
} else {
throw new MapperParsingException("Trying to parse an object but has a different type [" + type + "] for [" + name + "]");
}
} else if (fieldName.equals("include_in_parent")) {
nestedIncludeInParent = nodeBooleanValue(fieldNode);
} else if (fieldName.equals("include_in_root")) {
nestedIncludeInRoot = nodeBooleanValue(fieldNode);
} else if (fieldName.equals("enabled")) {
builder.enabled(nodeBooleanValue(fieldNode));
} else if (fieldName.equals("path")) {
builder.pathType(parsePathType(name, fieldNode.toString()));
} else if (fieldName.equals("properties")) {
parseProperties(builder, (Map<String, Object>) fieldNode, parserContext);
} else if (fieldName.equals("include_in_all")) {
builder.includeInAll(nodeBooleanValue(fieldNode));
} else {
processField(builder, fieldName, fieldNode);
}
}
if (nested) {
builder.nested = Nested.newNested(nestedIncludeInParent, nestedIncludeInRoot);
}
return builder;
}
private void parseProperties(ObjectMapper.Builder objBuilder, Map<String, Object> propsNode, ParserContext parserContext) {
for (Map.Entry<String, Object> entry : propsNode.entrySet()) {
String propName = entry.getKey();
Map<String, Object> propNode = (Map<String, Object>) entry.getValue();
String type;
Object typeNode = propNode.get("type");
if (typeNode != null) {
type = typeNode.toString();
} else {
// lets see if we can derive this...
if (propNode.get("properties") != null) {
type = ObjectMapper.CONTENT_TYPE;
} else if (propNode.get("fields") != null) {
type = MultiFieldMapper.CONTENT_TYPE;
} else {
throw new MapperParsingException("No type specified for property [" + propName + "]");
}
}
Mapper.TypeParser typeParser = parserContext.typeParser(type);
if (typeParser == null) {
throw new MapperParsingException("No handler for type [" + type + "] declared on field [" + propName + "]");
}
objBuilder.add(typeParser.parse(propName, propNode, parserContext));
}
}
protected Builder createBuilder(String name) {
return object(name);
}
protected void processField(Builder builder, String fieldName, Object fieldNode) {
}
}
private final String name;
private final String fullPath;
private final boolean enabled;
private final Nested nested;
private final String nestedTypePath;
private final Filter nestedTypeFilter;
private final Dynamic dynamic;
private final ContentPath.Type pathType;
private Boolean includeInAll;
private volatile ImmutableMap<String, Mapper> mappers = ImmutableMap.of();
private final Object mutex = new Object();
ObjectMapper(String name, String fullPath, boolean enabled, Nested nested, Dynamic dynamic, ContentPath.Type pathType, Map<String, Mapper> mappers) {
this.name = name;
this.fullPath = fullPath;
this.enabled = enabled;
this.nested = nested;
this.dynamic = dynamic;
this.pathType = pathType;
if (mappers != null) {
this.mappers = copyOf(mappers);
}
this.nestedTypePath = "__" + fullPath;
this.nestedTypeFilter = new TermFilter(TypeFieldMapper.TERM_FACTORY.createTerm(nestedTypePath));
}
@Override public String name() {
return this.name;
}
@Override public void includeInAll(Boolean includeInAll) {
if (includeInAll == null) {
return;
}
this.includeInAll = includeInAll;
// when called from outside, apply this on all the inner mappers
for (Mapper mapper : mappers.values()) {
if (mapper instanceof AllFieldMapper.IncludeInAll) {
((AllFieldMapper.IncludeInAll) mapper).includeInAll(includeInAll);
}
}
}
@Override public void includeInAllIfNotSet(Boolean includeInAll) {
if (this.includeInAll == null) {
this.includeInAll = includeInAll;
}
// when called from outside, apply this on all the inner mappers
for (Mapper mapper : mappers.values()) {
if (mapper instanceof AllFieldMapper.IncludeInAll) {
((AllFieldMapper.IncludeInAll) mapper).includeInAllIfNotSet(includeInAll);
}
}
}
public Nested nested() {
return this.nested;
}
public Filter nestedTypeFilter() {
return this.nestedTypeFilter;
}
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;
}
@Override public void traverse(FieldMapperListener fieldMapperListener) {
for (Mapper mapper : mappers.values()) {
mapper.traverse(fieldMapperListener);
}
}
@Override public void traverse(ObjectMapperListener objectMapperListener) {
objectMapperListener.objectMapper(this);
for (Mapper mapper : mappers.values()) {
mapper.traverse(objectMapperListener);
}
}
public String fullPath() {
return this.fullPath;
}
public String nestedTypePath() {
return nestedTypePath;
}
public final Dynamic dynamic() {
return this.dynamic;
}
public void parse(ParseContext context) throws IOException {
if (!enabled) {
context.parser().skipChildren();
return;
}
XContentParser parser = context.parser();
Document restoreDoc = null;
if (nested.isNested()) {
Document nestedDoc = new Document();
// pre add the uid field if possible (id was already provided)
Fieldable uidField = (Fieldable) context.doc().getFieldable(UidFieldMapper.NAME);
if (uidField != null) {
// we don't need to add it as a full uid field in nested docs, since we don't need versioning
// we also rely on this for UidField#loadVersion
// this is a deeply nested field
if (uidField.stringValue() != null) {
nestedDoc.add(new Field(UidFieldMapper.NAME, uidField.stringValue(), Field.Store.NO, Field.Index.NOT_ANALYZED));
} else {
nestedDoc.add(new Field(UidFieldMapper.NAME, ((UidField) uidField).uid(), Field.Store.NO, Field.Index.NOT_ANALYZED));
}
}
// the type of the nested doc starts with __, so we can identify that its a nested one in filters
// note, we don't prefix it with the type of the doc since it allows us to execute a nested query
// across types (for example, with similar nested objects)
nestedDoc.add(new Field(TypeFieldMapper.NAME, nestedTypePath, Field.Store.NO, Field.Index.NOT_ANALYZED));
restoreDoc = context.switchDoc(nestedDoc);
context.addDoc(nestedDoc);
}
ContentPath.Type origPathType = context.path().pathType();
context.path().pathType(pathType);
String currentFieldName = parser.currentName();
XContentParser.Token token = parser.currentToken();
if (token == XContentParser.Token.VALUE_NULL) {
// the object is null ("obj1" : null), simply bail
return;
}
// if we are at the end of the previous object, advance
if (token == XContentParser.Token.END_OBJECT) {
token = parser.nextToken();
}
if (token == XContentParser.Token.START_OBJECT) {
// if we are just starting an OBJECT, advance, this is the object we are parsing, we need the name first
token = parser.nextToken();
}
while (token != XContentParser.Token.END_OBJECT) {
if (token == XContentParser.Token.START_OBJECT) {
serializeObject(context, currentFieldName);
} else if (token == XContentParser.Token.START_ARRAY) {
serializeArray(context, currentFieldName);
} else if (token == XContentParser.Token.FIELD_NAME) {
currentFieldName = parser.currentName();
} else if (token == XContentParser.Token.VALUE_NULL) {
serializeNullValue(context, currentFieldName);
} else if (token == null) {
throw new MapperParsingException("object_mapper [" + name + "] tried to parse as object, but got EOF, has a concrete value been provided to it?");
} else if (token.isValue()) {
serializeValue(context, currentFieldName, token);
}
token = parser.nextToken();
}
// restore the enable path flag
context.path().pathType(origPathType);
if (nested.isNested()) {
Document nestedDoc = context.switchDoc(restoreDoc);
if (nested.isIncludeInParent()) {
for (Fieldable field : nestedDoc.getFields()) {
if (field.name().equals(UidFieldMapper.NAME) || field.name().equals(TypeFieldMapper.NAME)) {
continue;
} else {
context.doc().add(field);
}
}
}
if (nested.isIncludeInRoot()) {
// don't add it twice, if its included in parent, and we are handling the master doc...
if (!(nested.isIncludeInParent() && context.doc() == context.rootDoc())) {
for (Fieldable field : nestedDoc.getFields()) {
if (field.name().equals(UidFieldMapper.NAME) || field.name().equals(TypeFieldMapper.NAME)) {
continue;
} else {
context.rootDoc().add(field);
}
}
}
}
}
}
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);
}
}
private void serializeObject(final ParseContext context, String currentFieldName) throws IOException {
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.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();
}
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);
}
}
}
}
private void serializeValue(final ParseContext context, String currentFieldName, XContentParser.Token token) throws IOException {
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.path());
if (token == XContentParser.Token.VALUE_STRING) {
String text = context.parser().text();
// check if it fits one of the date formats
boolean resolved = false;
// a safe check since "1" gets parsed as well
if (context.root().dateDetection()) {
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()) {
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);
}
@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);
}
});
}
}
protected void doMerge(ObjectMapper mergeWith, MergeContext mergeContext) {
}
@Override public void close() {
for (Mapper mapper : mappers.values()) {
mapper.close();
}
}
@Override public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
toXContent(builder, params, null, Mapper.EMPTY_ARRAY);
return builder;
}
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) {
for (Mapper mapper : additionalMappers) {
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();
}
protected void doXContent(XContentBuilder builder, Params params) throws IOException {
}
}