org.codelibs.elasticsearch.common.geo.SpatialStrategy Maven / Gradle / Ivy

Go to download
/*
 * 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.codelibs.elasticsearch.common.geo;

import org.codelibs.elasticsearch.common.io.stream.StreamInput;
import org.codelibs.elasticsearch.common.io.stream.StreamOutput;
import org.codelibs.elasticsearch.common.io.stream.Writeable;

import java.io.IOException;

/**
 *
 */
public enum SpatialStrategy implements Writeable {

    TERM("term"),
    RECURSIVE("recursive");

    private final String strategyName;

    private SpatialStrategy(String strategyName) {
        this.strategyName = strategyName;
    }

    public String getStrategyName() {
        return strategyName;
    }

    public static SpatialStrategy readFromStream(StreamInput in) throws IOException {
        int ordinal = in.readVInt();
        if (ordinal < 0 || ordinal >= values().length) {
            throw new IOException("Unknown SpatialStrategy ordinal [" + ordinal + "]");
        }
        return values()[ordinal];
    }

    @Override
    public void writeTo(StreamOutput out) throws IOException {
        out.writeVInt(ordinal());
    }

    public static SpatialStrategy fromString(String strategyName) {
        for (SpatialStrategy strategy : values()) {
            if (strategy.strategyName.equals(strategyName)) {
                return strategy;
            }
        }
        return null;
    }
}