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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.query;
import org.apache.logging.log4j.LogManager;
import org.apache.lucene.search.ConstantScoreQuery;
import org.apache.lucene.search.Query;
import org.elasticsearch.common.Nullable;
import org.elasticsearch.common.ParseField;
import org.elasticsearch.common.ParsingException;
import org.elasticsearch.common.geo.ShapeRelation;
import org.elasticsearch.common.geo.SpatialStrategy;
import org.elasticsearch.common.geo.builders.ShapeBuilder;
import org.elasticsearch.common.geo.parsers.ShapeParser;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.logging.DeprecationLogger;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.geometry.Geometry;
import org.elasticsearch.index.mapper.AbstractGeometryFieldMapper;
import org.elasticsearch.index.mapper.GeoShapeFieldMapper;
import org.elasticsearch.index.mapper.MappedFieldType;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.Objects;
import java.util.function.Supplier;
/**
* Derived {@link AbstractGeometryQueryBuilder} that builds a lat, lon GeoShape Query
*/
public class GeoShapeQueryBuilder extends AbstractGeometryQueryBuilder {
public static final String NAME = "geo_shape";
private static final DeprecationLogger deprecationLogger = new DeprecationLogger(
LogManager.getLogger(GeoShapeQueryBuilder.class));
protected static final ParseField STRATEGY_FIELD = new ParseField("strategy");
private SpatialStrategy strategy;
/**
* Creates a new GeoShapeQueryBuilder whose Query will be against the given
* field name using the given Shape
*
* @param fieldName
* Name of the field that will be queried
* @param shape
* Shape used in the Query
*/
public GeoShapeQueryBuilder(String fieldName, Geometry shape) {
super(fieldName, shape);
}
/**
* Creates a new GeoShapeQueryBuilder whose Query will be against the given
* field name using the given Shape
*
* @param fieldName
* Name of the field that will be queried
* @param shape
* Shape used in the Query
*
* @deprecated use {@link #GeoShapeQueryBuilder(String, Geometry)} instead
*/
@Deprecated
public GeoShapeQueryBuilder(String fieldName, ShapeBuilder shape) {
super(fieldName, shape);
}
public GeoShapeQueryBuilder(String fieldName, Supplier shapeSupplier, String indexedShapeId,
@Nullable String indexedShapeType) {
super(fieldName, shapeSupplier, indexedShapeId, indexedShapeType);
}
/**
* Creates a new GeoShapeQueryBuilder whose Query will be against the given
* field name and will use the Shape found with the given ID in the given
* type
*
* @param fieldName
* Name of the field that will be filtered
* @param indexedShapeId
* ID of the indexed Shape that will be used in the Query
* @param indexedShapeType
* Index type of the indexed Shapes
* @deprecated use {@link #GeoShapeQueryBuilder(String, String)} instead
*/
@Deprecated
public GeoShapeQueryBuilder(String fieldName, String indexedShapeId, String indexedShapeType) {
super(fieldName, indexedShapeId, indexedShapeType);
}
/**
* Creates a new GeoShapeQueryBuilder whose Query will be against the given
* field name and will use the Shape found with the given ID
*
* @param fieldName
* Name of the field that will be filtered
* @param indexedShapeId
* ID of the indexed Shape that will be used in the Query
*/
public GeoShapeQueryBuilder(String fieldName, String indexedShapeId) {
super(fieldName, indexedShapeId);
}
public GeoShapeQueryBuilder(StreamInput in) throws IOException {
super(in);
strategy = in.readOptionalWriteable(SpatialStrategy::readFromStream);
}
@Override
protected void doWriteTo(StreamOutput out) throws IOException {
super.doWriteTo(out);
out.writeOptionalWriteable(strategy);
}
@Override
public String getWriteableName() {
return NAME;
}
/**
* Sets the relation of query shape and indexed shape.
*
* @param relation relation of the shapes
* @return this
*/
public GeoShapeQueryBuilder relation(ShapeRelation relation) {
if (relation == null) {
throw new IllegalArgumentException("No Shape Relation defined");
}
if (SpatialStrategy.TERM.equals(strategy) && relation != ShapeRelation.INTERSECTS) {
throw new IllegalArgumentException("current strategy [" + strategy.getStrategyName() + "] only supports relation ["
+ ShapeRelation.INTERSECTS.getRelationName() + "] found relation [" + relation.getRelationName() + "]");
}
this.relation = relation;
return this;
}
/**
* Defines which spatial strategy will be used for building the geo shape
* Query. When not set, the strategy that will be used will be the one that
* is associated with the geo shape field in the mappings.
*
* @param strategy
* The spatial strategy to use for building the geo shape Query
* @return this
*/
public GeoShapeQueryBuilder strategy(SpatialStrategy strategy) {
if (strategy != null && strategy == SpatialStrategy.TERM && relation != ShapeRelation.INTERSECTS) {
throw new IllegalArgumentException("strategy [" + strategy.getStrategyName() + "] only supports relation ["
+ ShapeRelation.INTERSECTS.getRelationName() + "] found relation [" + relation.getRelationName() + "]");
}
this.strategy = strategy;
return this;
}
/**
* @return The spatial strategy to use for building the geo shape Query
*/
public SpatialStrategy strategy() {
return strategy;
}
@Override
protected List validContentTypes() {
return Arrays.asList(GeoShapeFieldMapper.CONTENT_TYPE);
}
@Override
public String queryFieldType() {
return GeoShapeFieldMapper.CONTENT_TYPE;
}
@Override
public void doShapeQueryXContent(XContentBuilder builder, Params params) throws IOException {
if (strategy != null) {
builder.field(STRATEGY_FIELD.getPreferredName(), strategy.getStrategyName());
}
}
@Override
protected GeoShapeQueryBuilder newShapeQueryBuilder(String fieldName, Geometry shape) {
return new GeoShapeQueryBuilder(fieldName, shape);
}
@Override
protected GeoShapeQueryBuilder newShapeQueryBuilder(String fieldName, Supplier shapeSupplier,
String indexedShapeId, String indexedShapeType) {
return new GeoShapeQueryBuilder(fieldName, shapeSupplier, indexedShapeId, indexedShapeType);
}
@Override
public Query buildShapeQuery(QueryShardContext context, MappedFieldType fieldType) {
if (fieldType.typeName().equals(GeoShapeFieldMapper.CONTENT_TYPE) == false) {
throw new QueryShardException(context,
"Field [" + fieldName + "] is not of type [" + queryFieldType() + "] but of type [" + fieldType.typeName() + "]");
}
final AbstractGeometryFieldMapper.AbstractGeometryFieldType ft = (AbstractGeometryFieldMapper.AbstractGeometryFieldType) fieldType;
return new ConstantScoreQuery(ft.geometryQueryBuilder().process(shape, fieldName, strategy, relation, context));
}
@Override
protected boolean doEquals(GeoShapeQueryBuilder other) {
return super.doEquals((AbstractGeometryQueryBuilder)other)
&& Objects.equals(strategy, other.strategy);
}
@Override
protected int doHashCode() {
return Objects.hash(super.doHashCode(), strategy);
}
@Override
protected GeoShapeQueryBuilder doRewrite(QueryRewriteContext queryRewriteContext) throws IOException {
GeoShapeQueryBuilder builder = (GeoShapeQueryBuilder)super.doRewrite(queryRewriteContext);
builder.strategy(strategy);
return builder;
}
private static class ParsedGeoShapeQueryParams extends ParsedGeometryQueryParams {
SpatialStrategy strategy;
@Override
protected boolean parseXContentField(XContentParser parser) throws IOException {
SpatialStrategy strategy;
if (SHAPE_FIELD.match(parser.currentName(), parser.getDeprecationHandler())) {
this.shape = ShapeParser.parse(parser);
return true;
} else if (STRATEGY_FIELD.match(parser.currentName(), parser.getDeprecationHandler())) {
String strategyName = parser.text();
strategy = SpatialStrategy.fromString(strategyName);
if (strategy == null) {
throw new ParsingException(parser.getTokenLocation(), "Unknown strategy [" + strategyName + " ]");
} else {
this.strategy = strategy;
}
return true;
}
return false;
}
}
public static GeoShapeQueryBuilder fromXContent(XContentParser parser) throws IOException {
ParsedGeoShapeQueryParams pgsqp =
(ParsedGeoShapeQueryParams) AbstractGeometryQueryBuilder.parsedParamsFromXContent(parser, new ParsedGeoShapeQueryParams());
GeoShapeQueryBuilder builder;
if (pgsqp.type != null) {
deprecationLogger.deprecatedAndMaybeLog("geo_share_query_with_types", TYPES_DEPRECATION_MESSAGE);
}
if (pgsqp.shape != null) {
builder = new GeoShapeQueryBuilder(pgsqp.fieldName, pgsqp.shape);
} else {
builder = new GeoShapeQueryBuilder(pgsqp.fieldName, pgsqp.id, pgsqp.type);
}
if (pgsqp.index != null) {
builder.indexedShapeIndex(pgsqp.index);
}
if (pgsqp.shapePath != null) {
builder.indexedShapePath(pgsqp.shapePath);
}
if (pgsqp.shapeRouting != null) {
builder.indexedShapeRouting(pgsqp.shapeRouting);
}
if (pgsqp.relation != null) {
builder.relation(pgsqp.relation);
}
if (pgsqp.strategy != null) {
builder.strategy(pgsqp.strategy);
}
if (pgsqp.queryName != null) {
builder.queryName(pgsqp.queryName);
}
builder.boost(pgsqp.boost);
builder.ignoreUnmapped(pgsqp.ignoreUnmapped);
return builder;
}
}