com.orientechnologies.spatial.strategy.SpatialQueryBuilderAbstract Maven / Gradle / Ivy
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/**
* Copyright 2010-2016 OrientDB LTD (http://orientdb.com)
*
* Licensed 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.
*
*
For more information: http://www.orientdb.com
*/
package com.orientechnologies.spatial.strategy;
import com.orientechnologies.orient.core.index.OIndexEngineException;
import com.orientechnologies.spatial.engine.OLuceneSpatialIndexContainer;
import com.orientechnologies.spatial.query.OSpatialQueryContext;
import com.orientechnologies.spatial.shape.OShapeBuilder;
import java.util.Map;
import org.apache.lucene.spatial.SpatialStrategy;
import org.apache.lucene.spatial.bbox.BBoxStrategy;
import org.locationtech.spatial4j.shape.Shape;
/** Created by Enrico Risa on 11/08/15. */
public abstract class SpatialQueryBuilderAbstract {
public static final String GEO_FILTER = "geo_filter";
public static final String SHAPE = "shape";
public static final String SHAPE_TYPE = "type";
public static final String COORDINATES = "coordinates";
public static final String MAX_DISTANCE = "maxDistance";
protected OLuceneSpatialIndexContainer manager;
protected OShapeBuilder factory;
public SpatialQueryBuilderAbstract(OLuceneSpatialIndexContainer manager, OShapeBuilder factory) {
this.manager = manager;
this.factory = factory;
}
public abstract OSpatialQueryContext build(Map query) throws Exception;
protected Shape parseShape(Map query) {
Object geometry = query.get(SHAPE);
if (geometry == null) {
throw new OIndexEngineException("Invalid spatial query. Missing shape field " + query, null);
}
Shape parsed = factory.fromObject(geometry);
if (parsed == null) {
throw new OIndexEngineException(
"Invalid spatial query. Invalid shape field. Found: " + geometry.getClass().getName(),
null);
}
return parsed;
}
protected boolean isOnlyBB(SpatialStrategy spatialStrategy) {
return spatialStrategy instanceof BBoxStrategy;
}
public abstract String getName();
}