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/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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 com.carrotsearch.hppc.cursors.ObjectObjectCursor;
import org.apache.lucene.document.Field;
import org.apache.lucene.index.IndexableField;
import org.apache.lucene.index.Term;
import org.apache.lucene.queries.TermFilter;
import org.apache.lucene.search.Filter;
import org.apache.lucene.util.BytesRef;
import org.elasticsearch.ElasticsearchIllegalStateException;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.collect.ImmutableOpenMap;
import org.elasticsearch.common.joda.FormatDateTimeFormatter;
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.ParseContext.Document;
import org.elasticsearch.index.mapper.internal.AllFieldMapper;
import org.elasticsearch.index.mapper.internal.TypeFieldMapper;
import org.elasticsearch.index.mapper.internal.UidFieldMapper;
import java.io.IOException;
import java.util.*;
import static com.google.common.collect.Lists.newArrayList;
import static org.elasticsearch.common.xcontent.support.XContentMapValues.nodeBooleanValue;
import static org.elasticsearch.index.mapper.MapperBuilders.*;
import static org.elasticsearch.index.mapper.core.TypeParsers.parsePathType;
/**
*
*/
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 root
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 extends Mapper.Builder {
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 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 mappers = new HashMap();
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 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 node, ParserContext parserContext) throws MapperParsingException {
Map objectNode = node;
ObjectMapper.Builder builder = createBuilder(name);
boolean nested = false;
boolean nestedIncludeInParent = false;
boolean nestedIncludeInRoot = false;
for (Map.Entry 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) 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 propsNode, ParserContext parserContext) {
for (Map.Entry entry : propsNode.entrySet()) {
String propName = entry.getKey();
Map propNode = (Map) 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.size() == 1 && propNode.get("enabled") != null) {
// if there is a single property with the enabled flag on it, make it an object
// (usually, setting enabled to false to not index any type, including core values, which
// non enabled object type supports).
type = ObjectMapper.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 nestedTypePathAsString;
private final BytesRef nestedTypePathAsBytes;
private final Filter nestedTypeFilter;
private volatile Dynamic dynamic;
private final ContentPath.Type pathType;
private Boolean includeInAll;
private volatile ImmutableOpenMap mappers = ImmutableOpenMap.of();
private final Object mutex = new Object();
ObjectMapper(String name, String fullPath, boolean enabled, Nested nested, Dynamic dynamic, ContentPath.Type pathType, Map mappers) {
this.name = name;
this.fullPath = fullPath;
this.enabled = enabled;
this.nested = nested;
this.dynamic = dynamic;
this.pathType = pathType;
if (mappers != null) {
this.mappers = ImmutableOpenMap.builder(this.mappers).putAll(mappers).build();
}
this.nestedTypePathAsString = "__" + fullPath;
this.nestedTypePathAsBytes = new BytesRef(nestedTypePathAsString);
this.nestedTypeFilter = new TermFilter(new Term(TypeFieldMapper.NAME, nestedTypePathAsBytes));
}
@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 (ObjectObjectCursor cursor : mappers) {
if (cursor.value instanceof AllFieldMapper.IncludeInAll) {
((AllFieldMapper.IncludeInAll) cursor.value).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 (ObjectObjectCursor cursor : mappers) {
if (cursor.value instanceof AllFieldMapper.IncludeInAll) {
((AllFieldMapper.IncludeInAll) cursor.value).includeInAllIfNotSet(includeInAll);
}
}
}
@Override
public void unsetIncludeInAll() {
includeInAll = null;
// when called from outside, apply this on all the inner mappers
for (ObjectObjectCursor cursor : mappers) {
if (cursor.value instanceof AllFieldMapper.IncludeInAll) {
((AllFieldMapper.IncludeInAll) cursor.value).unsetIncludeInAll();
}
}
}
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) {
this.mappers = ImmutableOpenMap.builder(this.mappers).fPut(mapper.name(), mapper).build();
}
return this;
}
@Override
public void traverse(FieldMapperListener fieldMapperListener) {
for (ObjectObjectCursor cursor : mappers) {
cursor.value.traverse(fieldMapperListener);
}
}
@Override
public void traverse(ObjectMapperListener objectMapperListener) {
objectMapperListener.objectMapper(this);
for (ObjectObjectCursor cursor : mappers) {
cursor.value.traverse(objectMapperListener);
}
}
public String fullPath() {
return this.fullPath;
}
public BytesRef nestedTypePathAsBytes() {
return nestedTypePathAsBytes;
}
public String nestedTypePathAsString() {
return nestedTypePathAsString;
}
public final Dynamic dynamic() {
return this.dynamic == null ? Dynamic.TRUE : this.dynamic;
}
protected boolean allowValue() {
return true;
}
public void parse(ParseContext context) throws IOException {
if (!enabled) {
context.parser().skipChildren();
return;
}
XContentParser parser = context.parser();
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 (token.isValue() && !allowValue()) {
// if we are parsing an object but it is just a value, its only allowed on root level parsers with there
// is a field name with the same name as the type
throw new MapperParsingException("object mapping for [" + name + "] tried to parse as object, but found a concrete value");
}
Document restoreDoc = null;
if (nested.isNested()) {
Document nestedDoc = new Document();
// pre add the uid field if possible (id was already provided)
IndexableField uidField = context.doc().getField(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
nestedDoc.add(new Field(UidFieldMapper.NAME, uidField.stringValue(), UidFieldMapper.Defaults.NESTED_FIELD_TYPE));
}
// 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, nestedTypePathAsString, TypeFieldMapper.Defaults.FIELD_TYPE));
restoreDoc = context.switchDoc(nestedDoc);
context.addDoc(nestedDoc);
}
ContentPath.Type origPathType = context.path().pathType();
context.path().pathType(pathType);
// 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 mapping for [" + 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 (IndexableField 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 (IndexableField 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 {
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(fullPath, 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
synchronized (mutex) {
objectMapper = mappers.get(currentFieldName);
if (objectMapper == null) {
// 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).pathType(pathType);
// if this is a non root object, then explicitly set the dynamic behavior if set
if (!(this instanceof RootObjectMapper) && this.dynamic != Defaults.DYNAMIC) {
((Builder) builder).dynamic(this.dynamic);
}
}
BuilderContext builderContext = new BuilderContext(context.indexSettings(), context.path());
objectMapper = builder.build(builderContext);
// ...now re add it
context.path().add(currentFieldName);
context.setMappingsModified();
if (context.isWithinNewMapper()) {
// within a new mapper, no need to traverse, just parse
objectMapper.parse(context);
} else {
// create a context of new mapper, so we batch aggregate all the changes within
// this object mapper once, and traverse all of them to add them in a single go
context.setWithinNewMapper();
try {
objectMapper.parse(context);
FieldMapperListener.Aggregator newFields = new FieldMapperListener.Aggregator();
ObjectMapperListener.Aggregator newObjects = new ObjectMapperListener.Aggregator();
objectMapper.traverse(newFields);
objectMapper.traverse(newObjects);
// callback on adding those fields!
context.docMapper().addFieldMappers(newFields.mappers);
context.docMapper().addObjectMappers(newObjects.mappers);
} finally {
context.clearWithinNewMapper();
}
}
// only put after we traversed and did the callbacks, so other parsing won't see it only after we
// properly traversed it and adding the mappers
putMapper(objectMapper);
} else {
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 {
String arrayFieldName = lastFieldName;
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 if (token == null) {
throw new MapperParsingException("object mapping for [" + name + "] with array for [" + arrayFieldName + "] tried to parse as array, but got EOF, is there a mismatch in types for the same field?");
} else {
serializeValue(context, lastFieldName, token);
}
}
}
}
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(fullPath, 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
synchronized (mutex) {
mapper = mappers.get(currentFieldName);
if (mapper == null) {
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 (Strings.countOccurrencesOf(text, ":") > 1 || Strings.countOccurrencesOf(text, "-") > 1 || Strings.countOccurrencesOf(text, "/") > 1) {
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 if (token == XContentParser.Token.VALUE_EMBEDDED_OBJECT) {
Mapper.Builder builder = context.root().findTemplateBuilder(context, currentFieldName, "binary");
if (builder == null) {
builder = binaryField(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 + "]");
}
}
if (context.isWithinNewMapper()) {
mapper.parse(context);
} else {
context.setWithinNewMapper();
try {
mapper.parse(context);
FieldMapperListener.Aggregator newFields = new FieldMapperListener.Aggregator();
mapper.traverse(newFields);
context.docMapper().addFieldMappers(newFields.mappers);
} finally {
context.clearWithinNewMapper();
}
}
// only put after we traversed and did the callbacks, so other parsing won't see it only after we
// properly traversed it and adding the mappers
putMapper(mapper);
context.setMappingsModified();
} else {
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;
if (nested().isNested()) {
if (!mergeWithObject.nested().isNested()) {
mergeContext.addConflict("object mapping [" + name() + "] can't be changed from nested to non-nested");
return;
}
} else {
if (mergeWithObject.nested().isNested()) {
mergeContext.addConflict("object mapping [" + name() + "] can't be changed from non-nested to nested");
return;
}
}
if (!mergeContext.mergeFlags().simulate()) {
if (mergeWithObject.dynamic != null) {
this.dynamic = mergeWithObject.dynamic;
}
}
doMerge(mergeWithObject, mergeContext);
List mappersToPut = new ArrayList();
FieldMapperListener.Aggregator newFieldMappers = new FieldMapperListener.Aggregator();
ObjectMapperListener.Aggregator newObjectMappers = new ObjectMapperListener.Aggregator();
synchronized (mutex) {
for (ObjectObjectCursor cursor : mergeWithObject.mappers) {
Mapper mergeWithMapper = cursor.value;
Mapper mergeIntoMapper = mappers.get(mergeWithMapper.name());
if (mergeIntoMapper == null) {
// no mapping, simply add it if not simulating
if (!mergeContext.mergeFlags().simulate()) {
mappersToPut.add(mergeWithMapper);
mergeWithMapper.traverse(newFieldMappers);
mergeWithMapper.traverse(newObjectMappers);
}
} else {
mergeIntoMapper.merge(mergeWithMapper, mergeContext);
}
}
if (!newFieldMappers.mappers.isEmpty()) {
mergeContext.docMapper().addFieldMappers(newFieldMappers.mappers);
}
if (!newObjectMappers.mappers.isEmpty()) {
mergeContext.docMapper().addObjectMappers(newObjectMappers.mappers);
}
// and the mappers only after the administration have been done, so it will not be visible to parser (which first try to read with no lock)
for (Mapper mapper : mappersToPut) {
putMapper(mapper);
}
}
}
protected void doMerge(ObjectMapper mergeWith, MergeContext mergeContext) {
}
@Override
public void close() {
for (ObjectObjectCursor cursor : mappers) {
cursor.value.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);
}
if (dynamic != null) {
builder.field("dynamic", dynamic.name().toLowerCase(Locale.ROOT));
}
if (enabled != Defaults.ENABLED) {
builder.field("enabled", enabled);
}
if (pathType != Defaults.PATH_TYPE) {
builder.field("path", pathType.name().toLowerCase(Locale.ROOT));
}
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 sortedMappers = new TreeMap();
for (ObjectObjectCursor cursor : mappers) {
sortedMappers.put(cursor.key, cursor.value);
}
// 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 additionalSortedMappers = new TreeMap();
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();
}
protected void doXContent(XContentBuilder builder, Params params) throws IOException {
}
}
