75 lines
2.8 KiB
Plaintext
75 lines
2.8 KiB
Plaintext
[[java-query-dsl-geo-shape-query]]
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==== GeoShape Query
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See {ref}/query-dsl-geo-shape-query.html[Geo Shape Query]
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Note: the `geo_shape` type uses `Spatial4J` and `JTS`, both of which are
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optional dependencies. Consequently you must add `Spatial4J` and `JTS`
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to your classpath in order to use this type:
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[source,xml]
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-----------------------------------------------
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<dependency>
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<groupId>org.locationtech.spatial4j</groupId>
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<artifactId>spatial4j</artifactId>
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<version>0.6</version> <1>
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</dependency>
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<dependency>
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<groupId>com.vividsolutions</groupId>
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<artifactId>jts</artifactId>
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<version>1.13</version> <2>
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<exclusions>
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<exclusion>
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<groupId>xerces</groupId>
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<artifactId>xercesImpl</artifactId>
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</exclusion>
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</exclusions>
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</dependency>
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-----------------------------------------------
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<1> check for updates in http://search.maven.org/#search%7Cga%7C1%7Cg%3A%22org.locationtech.spatial4j%22%20AND%20a%3A%22spatial4j%22[Maven Central]
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<2> check for updates in http://search.maven.org/#search%7Cga%7C1%7Cg%3A%22com.vividsolutions%22%20AND%20a%3A%22jts%22[Maven Central]
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[source,java]
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--------------------------------------------------
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// Import ShapeRelation and ShapeBuilder
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import org.elasticsearch.common.geo.ShapeRelation;
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import org.elasticsearch.common.geo.builders.ShapeBuilder;
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--------------------------------------------------
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[source,java]
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--------------------------------------------------
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List<Coordinate> points = new ArrayList<>();
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points.add(new Coordinate(0, 0));
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points.add(new Coordinate(0, 10));
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points.add(new Coordinate(10, 10));
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points.add(new Coordinate(10, 0));
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points.add(new Coordinate(0, 0));
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QueryBuilder qb = geoShapeQuery(
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"pin.location", <1>
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ShapeBuilders.newMultiPoint(points) <2>
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.relation(ShapeRelation.WITHIN); <3>
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--------------------------------------------------
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<1> field
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<2> shape
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<3> relation can be `ShapeRelation.CONTAINS`, `ShapeRelation.WITHIN`, `ShapeRelation.INTERSECTS` or `ShapeRelation.DISJOINT`
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[source,java]
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--------------------------------------------------
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// Using pre-indexed shapes
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QueryBuilder qb = geoShapeQuery(
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"pin.location", <1>
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"DEU", <2>
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"countries") <3>
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.relation(ShapeRelation.WITHIN)) <4>
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.indexedShapeIndex("shapes") <5>
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.indexedShapePath("location"); <6>
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--------------------------------------------------
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<1> field
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<2> The ID of the document that containing the pre-indexed shape.
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<3> Index type where the pre-indexed shape is.
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<4> relation
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<5> Name of the index where the pre-indexed shape is. Defaults to 'shapes'.
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<6> The field specified as path containing the pre-indexed shape. Defaults to 'shape'.
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