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* Licensed to the Apache Software Foundation (ASF) under one
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* 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,
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* See the License for the specific language governing permissions and
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package com.datastax.dse.driver.api.core.graph.predicates;
import com.datastax.dse.driver.api.core.data.geometry.LineString;
import com.datastax.dse.driver.api.core.data.geometry.Point;
import com.datastax.dse.driver.api.core.data.geometry.Polygon;
import com.datastax.dse.driver.internal.core.data.geometry.Distance;
import com.datastax.dse.driver.internal.core.graph.GeoPredicate;
import com.datastax.dse.driver.internal.core.graph.GeoUtils;
import edu.umd.cs.findbugs.annotations.NonNull;
import org.apache.tinkerpop.gremlin.process.traversal.P;
import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversal;
public interface Geo {
enum Unit {
MILES(GeoUtils.MILES_TO_KM * GeoUtils.KM_TO_DEG),
KILOMETERS(GeoUtils.KM_TO_DEG),
METERS(GeoUtils.KM_TO_DEG / 1000.0),
DEGREES(1);
private final double multiplier;
Unit(double multiplier) {
this.multiplier = multiplier;
}
/** Convert distance to degrees (used internally only). */
public double toDegrees(double distance) {
return distance * multiplier;
}
}
/**
* Finds whether an entity is inside the given circular area using a geo coordinate system.
*
* @return a predicate to apply in a {@link GraphTraversal}.
*/
static P