package org.apache.blur.analysis.type.spatial;
/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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.
*/
import java.util.Arrays;
import java.util.Collection;
import java.util.Map;
import org.apache.hadoop.conf.Configuration;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.core.KeywordAnalyzer;
import org.apache.lucene.spatial.query.SpatialOperation;
import org.apache.lucene.spatial.vector.PointVectorStrategy;
import com.spatial4j.core.context.SpatialContext;
import com.spatial4j.core.shape.Point;
public class SpatialPointVectorStrategyFieldTypeDefinition extends BaseSpatialFieldTypeDefinition {
public static final String NAME = "geo-pointvector";
private Collection<String> _alternateFieldNames;
@Override
public String getName() {
return NAME;
}
@Override
public void configure(String fieldNameForThisInstance, Map<String, String> properties, Configuration configuration) {
_ctx = SpatialContext.GEO;
_strategy = new PointVectorStrategy(_ctx, fieldNameForThisInstance);
_shapeReadWriter = new ShapeReadWriter<SpatialContext>(_ctx);
_alternateFieldNames = Arrays.asList(fieldNameForThisInstance + PointVectorStrategy.SUFFIX_X,
fieldNameForThisInstance + PointVectorStrategy.SUFFIX_Y);
addSupportedIndexedShapes(Point.class);
addSupportedOperations(SpatialOperation.Intersects);
}
@Override
public Collection<String> getAlternateFieldNames() {
return _alternateFieldNames;
}
@Override
public Analyzer getAnalyzerForIndex(String fieldName) {
// This happens because the doubles are tokenized but the analyzer is
// fetched from the Field, but the offset is still fetched from the base
// analyzer. This seems like a bug.
return new KeywordAnalyzer();
}
}