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/*
 * Licensed to Elasticsearch under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch 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.
 */

package org.elasticsearch.index.fielddata;

import org.elasticsearch.common.geo.GeoPoint;

import java.io.IOException;

/**
 * Per-document geo-point values.
 */
public abstract class GeoPointValues {

    /**
     * Advance this instance to the given document id
     * @return true if there is a value for this document
     */
    public abstract boolean advanceExact(int doc) throws IOException;

    /**
     * Get the {@link GeoPoint} associated with the current document.
     * The returned {@link GeoPoint} might be reused across calls.
     */
    public abstract GeoPoint geoPointValue();

}