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* 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.
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package org.elasticsearch.index.mapper.geo;
import com.google.common.collect.Iterators;
import org.apache.lucene.document.Field;
import org.apache.lucene.index.IndexOptions;
import org.apache.lucene.spatial.util.GeoHashUtils;
import org.apache.lucene.util.NumericUtils;
import org.elasticsearch.Version;
import org.elasticsearch.common.Explicit;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.geo.GeoPoint;
import org.elasticsearch.common.geo.GeoUtils;
import org.elasticsearch.common.logging.DeprecationLogger;
import org.elasticsearch.common.logging.Loggers;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.common.xcontent.support.XContentMapValues;
import org.elasticsearch.index.mapper.ContentPath;
import org.elasticsearch.index.mapper.FieldMapper;
import org.elasticsearch.index.mapper.MappedFieldType;
import org.elasticsearch.index.mapper.Mapper;
import org.elasticsearch.index.mapper.MapperParsingException;
import org.elasticsearch.index.mapper.ParseContext;
import org.elasticsearch.index.mapper.core.DoubleFieldMapper;
import org.elasticsearch.index.mapper.core.NumberFieldMapper;
import org.elasticsearch.index.mapper.core.StringFieldMapper;
import org.elasticsearch.index.mapper.object.ArrayValueMapperParser;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import static org.elasticsearch.index.mapper.MapperBuilders.doubleField;
import static org.elasticsearch.index.mapper.MapperBuilders.stringField;
import static org.elasticsearch.index.mapper.core.TypeParsers.parseField;
import static org.elasticsearch.index.mapper.core.TypeParsers.parseMultiField;
/**
* GeoPointFieldMapper base class to maintain backward compatibility
*/
public abstract class BaseGeoPointFieldMapper extends FieldMapper implements ArrayValueMapperParser {
public static final String CONTENT_TYPE = "geo_point";
protected static final DeprecationLogger deprecationLogger = new DeprecationLogger(Loggers.getLogger(BaseGeoPointFieldMapper.class));
public static class Names {
public static final String LAT = "lat";
public static final String LAT_SUFFIX = "." + LAT;
public static final String LON = "lon";
public static final String LON_SUFFIX = "." + LON;
public static final String GEOHASH = "geohash";
public static final String IGNORE_MALFORMED = "ignore_malformed";
}
public static class Defaults {
public static final ContentPath.Type PATH_TYPE = ContentPath.Type.FULL;
public static final boolean ENABLE_LATLON = false;
public static final boolean ENABLE_GEOHASH = false;
public static final boolean ENABLE_GEOHASH_PREFIX = false;
public static final int GEO_HASH_PRECISION = GeoHashUtils.PRECISION;
public static final Explicit IGNORE_MALFORMED = new Explicit<>(false, false);
}
public abstract static class Builder extends FieldMapper.Builder {
protected ContentPath.Type pathType = Defaults.PATH_TYPE;
protected boolean enableLatLon = Defaults.ENABLE_LATLON;
protected Integer precisionStep;
protected boolean enableGeoHash = Defaults.ENABLE_GEOHASH;
protected boolean enableGeoHashPrefix = Defaults.ENABLE_GEOHASH_PREFIX;
protected int geoHashPrecision = Defaults.GEO_HASH_PRECISION;
protected Boolean ignoreMalformed;
public Builder(String name, GeoPointFieldType fieldType) {
super(name, fieldType, fieldType);
}
@Override
public GeoPointFieldType fieldType() {
return (GeoPointFieldType)fieldType;
}
@Override
public T multiFieldPathType(ContentPath.Type pathType) {
this.pathType = pathType;
return builder;
}
@Override
public T fieldDataSettings(Settings settings) {
this.fieldDataSettings = settings;
return builder;
}
public T enableLatLon(boolean enableLatLon) {
this.enableLatLon = enableLatLon;
return builder;
}
public T precisionStep(int precisionStep) {
this.precisionStep = precisionStep;
return builder;
}
public T enableGeoHash(boolean enableGeoHash) {
this.enableGeoHash = enableGeoHash;
return builder;
}
public T geoHashPrefix(boolean enableGeoHashPrefix) {
this.enableGeoHashPrefix = enableGeoHashPrefix;
return builder;
}
public T geoHashPrecision(int precision) {
this.geoHashPrecision = precision;
return builder;
}
public T ignoreMalformed(boolean ignoreMalformed) {
this.ignoreMalformed = ignoreMalformed;
return builder;
}
protected Explicit ignoreMalformed(BuilderContext context) {
if (ignoreMalformed != null) {
return new Explicit<>(ignoreMalformed, true);
}
if (context.indexSettings() != null) {
return new Explicit<>(context.indexSettings().getAsBoolean("index.mapping.ignore_malformed", Defaults.IGNORE_MALFORMED.value()), false);
}
return Defaults.IGNORE_MALFORMED;
}
public abstract Y build(BuilderContext context, String simpleName, MappedFieldType fieldType, MappedFieldType defaultFieldType,
Settings indexSettings, ContentPath.Type pathType, DoubleFieldMapper latMapper, DoubleFieldMapper lonMapper,
StringFieldMapper geoHashMapper, MultiFields multiFields, Explicit ignoreMalformed, CopyTo copyTo);
public Y build(Mapper.BuilderContext context) {
ContentPath.Type origPathType = context.path().pathType();
context.path().pathType(pathType);
GeoPointFieldType geoPointFieldType = (GeoPointFieldType)fieldType;
DoubleFieldMapper latMapper = null;
DoubleFieldMapper lonMapper = null;
context.path().add(name);
if (enableLatLon) {
NumberFieldMapper.Builder latMapperBuilder = doubleField(Names.LAT).includeInAll(false);
NumberFieldMapper.Builder lonMapperBuilder = doubleField(Names.LON).includeInAll(false);
if (precisionStep != null) {
latMapperBuilder.precisionStep(precisionStep);
lonMapperBuilder.precisionStep(precisionStep);
}
latMapper = (DoubleFieldMapper) latMapperBuilder.includeInAll(false).store(fieldType.stored()).docValues(false).build(context);
lonMapper = (DoubleFieldMapper) lonMapperBuilder.includeInAll(false).store(fieldType.stored()).docValues(false).build(context);
geoPointFieldType.setLatLonEnabled(latMapper.fieldType(), lonMapper.fieldType());
}
StringFieldMapper geoHashMapper = null;
if (enableGeoHash || enableGeoHashPrefix) {
// TODO: possible also implicitly enable geohash if geohash precision is set
geoHashMapper = stringField(Names.GEOHASH).index(true).tokenized(false).includeInAll(false).store(fieldType.stored())
.omitNorms(true).indexOptions(IndexOptions.DOCS).build(context);
geoPointFieldType.setGeoHashEnabled(geoHashMapper.fieldType(), geoHashPrecision, enableGeoHashPrefix);
}
context.path().remove();
context.path().pathType(origPathType);
return build(context, name, fieldType, defaultFieldType, context.indexSettings(), origPathType,
latMapper, lonMapper, geoHashMapper, multiFieldsBuilder.build(this, context), ignoreMalformed(context), copyTo);
}
}
public abstract static class TypeParser implements Mapper.TypeParser {
@Override
public Mapper.Builder parse(String name, Map node, ParserContext parserContext) throws MapperParsingException {
Builder builder;
if (parserContext.indexVersionCreated().before(Version.V_2_2_0)) {
builder = new GeoPointFieldMapperLegacy.Builder(name);
} else {
builder = new GeoPointFieldMapper.Builder(name);
}
parseField(builder, name, node, parserContext);
for (Iterator> iterator = node.entrySet().iterator(); iterator.hasNext();) {
Map.Entry entry = iterator.next();
String propName = Strings.toUnderscoreCase(entry.getKey());
Object propNode = entry.getValue();
if (propName.equals("lat_lon")) {
deprecationLogger.deprecated(CONTENT_TYPE + " lat_lon parameter is deprecated and will be removed "
+ "in the next major release");
builder.enableLatLon(XContentMapValues.nodeBooleanValue(propNode));
iterator.remove();
} else if (propName.equals("precision_step")) {
deprecationLogger.deprecated(CONTENT_TYPE + " precision_step parameter is deprecated and will be removed "
+ "in the next major release");
builder.precisionStep(XContentMapValues.nodeIntegerValue(propNode));
iterator.remove();
} else if (propName.equals("geohash")) {
deprecationLogger.deprecated(CONTENT_TYPE + " geohash parameter is deprecated and will be removed "
+ "in the next major release");
builder.enableGeoHash(XContentMapValues.nodeBooleanValue(propNode));
iterator.remove();
} else if (propName.equals("geohash_prefix")) {
deprecationLogger.deprecated(CONTENT_TYPE + " geohash_prefix parameter is deprecated and will be removed "
+ "in the next major release");
builder.geoHashPrefix(XContentMapValues.nodeBooleanValue(propNode));
if (XContentMapValues.nodeBooleanValue(propNode)) {
builder.enableGeoHash(true);
}
iterator.remove();
} else if (propName.equals("geohash_precision")) {
deprecationLogger.deprecated(CONTENT_TYPE + " geohash_precision parameter is deprecated and will be removed "
+ "in the next major release");
if (propNode instanceof Integer) {
builder.geoHashPrecision(XContentMapValues.nodeIntegerValue(propNode));
} else {
builder.geoHashPrecision(GeoUtils.geoHashLevelsForPrecision(propNode.toString()));
}
iterator.remove();
} else if (propName.equals(Names.IGNORE_MALFORMED)) {
builder.ignoreMalformed(XContentMapValues.nodeBooleanValue(propNode));
iterator.remove();
} else if (parseMultiField(builder, name, parserContext, propName, propNode)) {
iterator.remove();
}
}
if (builder instanceof GeoPointFieldMapperLegacy.Builder) {
return GeoPointFieldMapperLegacy.parse((GeoPointFieldMapperLegacy.Builder) builder, node, parserContext);
}
return (GeoPointFieldMapper.Builder) builder;
}
}
public static class GeoPointFieldType extends MappedFieldType {
protected MappedFieldType geoHashFieldType;
protected int geoHashPrecision;
protected boolean geoHashPrefixEnabled;
protected MappedFieldType latFieldType;
protected MappedFieldType lonFieldType;
GeoPointFieldType() {}
GeoPointFieldType(GeoPointFieldType ref) {
super(ref);
this.geoHashFieldType = ref.geoHashFieldType; // copying ref is ok, this can never be modified
this.geoHashPrecision = ref.geoHashPrecision;
this.geoHashPrefixEnabled = ref.geoHashPrefixEnabled;
this.latFieldType = ref.latFieldType; // copying ref is ok, this can never be modified
this.lonFieldType = ref.lonFieldType; // copying ref is ok, this can never be modified
}
@Override
public MappedFieldType clone() {
return new GeoPointFieldType(this);
}
@Override
public boolean equals(Object o) {
if (!super.equals(o)) return false;
GeoPointFieldType that = (GeoPointFieldType) o;
return geoHashPrecision == that.geoHashPrecision &&
geoHashPrefixEnabled == that.geoHashPrefixEnabled &&
java.util.Objects.equals(geoHashFieldType, that.geoHashFieldType) &&
java.util.Objects.equals(latFieldType, that.latFieldType) &&
java.util.Objects.equals(lonFieldType, that.lonFieldType);
}
@Override
public int hashCode() {
return java.util.Objects.hash(super.hashCode(), geoHashFieldType, geoHashPrecision, geoHashPrefixEnabled, latFieldType,
lonFieldType);
}
@Override
public String typeName() {
return CONTENT_TYPE;
}
@Override
public void checkCompatibility(MappedFieldType fieldType, List conflicts, boolean strict) {
super.checkCompatibility(fieldType, conflicts, strict);
GeoPointFieldType other = (GeoPointFieldType)fieldType;
if (isLatLonEnabled() != other.isLatLonEnabled()) {
conflicts.add("mapper [" + names().fullName() + "] has different [lat_lon]");
}
if (isLatLonEnabled() && other.isLatLonEnabled() &&
latFieldType().numericPrecisionStep() != other.latFieldType().numericPrecisionStep()) {
conflicts.add("mapper [" + names().fullName() + "] has different [precision_step]");
}
if (isGeoHashEnabled() != other.isGeoHashEnabled()) {
conflicts.add("mapper [" + names().fullName() + "] has different [geohash]");
}
if (geoHashPrecision() != other.geoHashPrecision()) {
conflicts.add("mapper [" + names().fullName() + "] has different [geohash_precision]");
}
if (isGeoHashPrefixEnabled() != other.isGeoHashPrefixEnabled()) {
conflicts.add("mapper [" + names().fullName() + "] has different [geohash_prefix]");
}
}
public boolean isGeoHashEnabled() {
return geoHashFieldType != null;
}
public MappedFieldType geoHashFieldType() {
return geoHashFieldType;
}
public int geoHashPrecision() {
return geoHashPrecision;
}
public boolean isGeoHashPrefixEnabled() {
return geoHashPrefixEnabled;
}
public void setGeoHashEnabled(MappedFieldType geoHashFieldType, int geoHashPrecision, boolean geoHashPrefixEnabled) {
checkIfFrozen();
this.geoHashFieldType = geoHashFieldType;
this.geoHashPrecision = geoHashPrecision;
this.geoHashPrefixEnabled = geoHashPrefixEnabled;
}
public boolean isLatLonEnabled() {
return latFieldType != null;
}
public MappedFieldType latFieldType() {
return latFieldType;
}
public MappedFieldType lonFieldType() {
return lonFieldType;
}
public void setLatLonEnabled(MappedFieldType latFieldType, MappedFieldType lonFieldType) {
checkIfFrozen();
this.latFieldType = latFieldType;
this.lonFieldType = lonFieldType;
}
}
protected DoubleFieldMapper latMapper;
protected DoubleFieldMapper lonMapper;
protected final ContentPath.Type pathType;
protected StringFieldMapper geoHashMapper;
protected Explicit ignoreMalformed;
protected BaseGeoPointFieldMapper(String simpleName, MappedFieldType fieldType, MappedFieldType defaultFieldType, Settings indexSettings,
ContentPath.Type pathType, DoubleFieldMapper latMapper, DoubleFieldMapper lonMapper, StringFieldMapper geoHashMapper,
MultiFields multiFields, Explicit ignoreMalformed, CopyTo copyTo) {
super(simpleName, fieldType, defaultFieldType, indexSettings, multiFields, copyTo);
this.pathType = pathType;
this.latMapper = latMapper;
this.lonMapper = lonMapper;
this.geoHashMapper = geoHashMapper;
this.ignoreMalformed = ignoreMalformed;
}
@Override
public GeoPointFieldType fieldType() {
return (GeoPointFieldType) super.fieldType();
}
@Override
protected void doMerge(Mapper mergeWith, boolean updateAllTypes) {
super.doMerge(mergeWith, updateAllTypes);
BaseGeoPointFieldMapper gpfmMergeWith = (BaseGeoPointFieldMapper) mergeWith;
if (gpfmMergeWith.ignoreMalformed.explicit()) {
this.ignoreMalformed = gpfmMergeWith.ignoreMalformed;
}
}
@Override
public Iterator iterator() {
List extras = new ArrayList<>();
if (fieldType().isGeoHashEnabled()) {
extras.add(geoHashMapper);
}
if (fieldType().isLatLonEnabled()) {
extras.add(latMapper);
extras.add(lonMapper);
}
return Iterators.concat(super.iterator(), extras.iterator());
}
@Override
protected String contentType() {
return CONTENT_TYPE;
}
@Override
protected void parseCreateField(ParseContext context, List fields) throws IOException {
throw new UnsupportedOperationException("Parsing is implemented in parse(), this method should NEVER be called");
}
protected void parse(ParseContext context, GeoPoint point, String geoHash) throws IOException {
if (fieldType().isGeoHashEnabled()) {
if (geoHash == null) {
geoHash = GeoHashUtils.stringEncode(point.lon(), point.lat());
}
addGeoHashField(context, geoHash);
}
if (fieldType().isLatLonEnabled()) {
latMapper.parse(context.createExternalValueContext(point.lat()));
lonMapper.parse(context.createExternalValueContext(point.lon()));
}
multiFields.parse(this, context.createExternalValueContext(point));
}
@Override
public Mapper parse(ParseContext context) throws IOException {
ContentPath.Type origPathType = context.path().pathType();
context.path().pathType(pathType);
context.path().add(simpleName());
GeoPoint sparse = context.parseExternalValue(GeoPoint.class);
if (sparse != null) {
parse(context, sparse, null);
} else {
sparse = new GeoPoint();
XContentParser.Token token = context.parser().currentToken();
if (token == XContentParser.Token.START_ARRAY) {
token = context.parser().nextToken();
if (token == XContentParser.Token.START_ARRAY) {
// its an array of array of lon/lat [ [1.2, 1.3], [1.4, 1.5] ]
while (token != XContentParser.Token.END_ARRAY) {
parse(context, GeoUtils.parseGeoPoint(context.parser(), sparse), null);
token = context.parser().nextToken();
}
} else {
// its an array of other possible values
if (token == XContentParser.Token.VALUE_NUMBER) {
double lon = context.parser().doubleValue();
token = context.parser().nextToken();
double lat = context.parser().doubleValue();
while ((token = context.parser().nextToken()) != XContentParser.Token.END_ARRAY);
parse(context, sparse.reset(lat, lon), null);
} else {
while (token != XContentParser.Token.END_ARRAY) {
if (token == XContentParser.Token.VALUE_STRING) {
parsePointFromString(context, sparse, context.parser().text());
} else {
parse(context, GeoUtils.parseGeoPoint(context.parser(), sparse), null);
}
token = context.parser().nextToken();
}
}
}
} else if (token == XContentParser.Token.VALUE_STRING) {
parsePointFromString(context, sparse, context.parser().text());
} else if (token != XContentParser.Token.VALUE_NULL) {
parse(context, GeoUtils.parseGeoPoint(context.parser(), sparse), null);
}
}
context.path().remove();
context.path().pathType(origPathType);
return null;
}
private void addGeoHashField(ParseContext context, String geoHash) throws IOException {
int len = Math.min(fieldType().geoHashPrecision(), geoHash.length());
int min = fieldType().isGeoHashPrefixEnabled() ? 1 : len;
for (int i = len; i >= min; i--) {
// side effect of this call is adding the field
geoHashMapper.parse(context.createExternalValueContext(geoHash.substring(0, i)));
}
}
private void parsePointFromString(ParseContext context, GeoPoint sparse, String point) throws IOException {
if (point.indexOf(',') < 0) {
parse(context, sparse.resetFromGeoHash(point), point);
} else {
parse(context, sparse.resetFromString(point), null);
}
}
@Override
protected void doXContentBody(XContentBuilder builder, boolean includeDefaults, Params params) throws IOException {
super.doXContentBody(builder, includeDefaults, params);
if (includeDefaults || pathType != Defaults.PATH_TYPE) {
builder.field("path", pathType.name().toLowerCase(Locale.ROOT));
}
if (includeDefaults || fieldType().isLatLonEnabled() != GeoPointFieldMapper.Defaults.ENABLE_LATLON) {
builder.field("lat_lon", fieldType().isLatLonEnabled());
}
if (fieldType().isLatLonEnabled() && (includeDefaults || fieldType().latFieldType().numericPrecisionStep() != NumericUtils.PRECISION_STEP_DEFAULT)) {
builder.field("precision_step", fieldType().latFieldType().numericPrecisionStep());
}
if (includeDefaults || fieldType().isGeoHashEnabled() != Defaults.ENABLE_GEOHASH) {
builder.field("geohash", fieldType().isGeoHashEnabled());
}
if (includeDefaults || fieldType().isGeoHashPrefixEnabled() != Defaults.ENABLE_GEOHASH_PREFIX) {
builder.field("geohash_prefix", fieldType().isGeoHashPrefixEnabled());
}
if (fieldType().isGeoHashEnabled() && (includeDefaults || fieldType().geoHashPrecision() != Defaults.GEO_HASH_PRECISION)) {
builder.field("geohash_precision", fieldType().geoHashPrecision());
}
if (includeDefaults || ignoreMalformed.explicit()) {
builder.field(Names.IGNORE_MALFORMED, ignoreMalformed.value());
}
}
@Override
public FieldMapper updateFieldType(Map fullNameToFieldType) {
BaseGeoPointFieldMapper updated = (BaseGeoPointFieldMapper) super.updateFieldType(fullNameToFieldType);
StringFieldMapper geoUpdated = geoHashMapper == null ? null : (StringFieldMapper) geoHashMapper.updateFieldType(fullNameToFieldType);
DoubleFieldMapper latUpdated = latMapper == null ? null : (DoubleFieldMapper) latMapper.updateFieldType(fullNameToFieldType);
DoubleFieldMapper lonUpdated = lonMapper == null ? null : (DoubleFieldMapper) lonMapper.updateFieldType(fullNameToFieldType);
if (updated == this
&& geoUpdated == geoHashMapper
&& latUpdated == latMapper
&& lonUpdated == lonMapper) {
return this;
}
if (updated == this) {
updated = (BaseGeoPointFieldMapper) updated.clone();
}
updated.geoHashMapper = geoUpdated;
updated.latMapper = latUpdated;
updated.lonMapper = lonUpdated;
return updated;
}
}