com.frank.search.solr.core.query.GeoHashFunction.java Source code

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Here is the source code for com.frank.search.solr.core.query.GeoHashFunction.java

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/*
 * Copyright 2012 - 2014 the original author or authors.
 *
 * 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.
 */
package com.frank.search.solr.core.query;

import org.springframework.data.geo.Point;
import org.springframework.util.Assert;

import java.util.Arrays;

/**
 * Implementation of {@code geohash(latitude, longitude)}
 * 
 * @author Christoph Strobl
 * @since 1.1
 */
public class GeoHashFunction extends AbstractFunction {

    private static final String OPERATION = "geohash";

    private GeoHashFunction(Point location) {
        super(Arrays.asList(location));
    }

    /**
     * @param location must not be null
     * @return
     */
    public static GeoHashFunction geohash(Point location) {
        Assert.notNull(location, "Location for geohash function must not be 'null'");

        return new GeoHashFunction(location);
    }

    /**
     * @param latitude
     * @param longitude
     * @return
     */
    public static GeoHashFunction geohash(double latitude, double longitude) {
        return geohash(new Point(latitude, longitude));
    }

    @Override
    public String getOperation() {
        return OPERATION;
    }

}