stack/core/src/main/java/org/apache/usergrid/corepersistence/index/IndexingStrategy.java

/*
 * 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.
 */
package org.apache.usergrid.corepersistence.index;

import java.util.Collections;
import java.util.HashMap;
import java.util.Map;

/**
 * This class describes the paths an index request can take
 * between tomcat and ES.
 *
 * Created by peterajohnson on 10/30/17.
 */
public enum IndexingStrategy {

    DIRECTONLY("directonly"),   // Index request is sent directly to ES and not to AWS
    DIRECT("direct"),   // Index request is sent directly to ES before sync ASW
    SYNC("sync"),     // Index request is sent via a sync AWS to ES
    ASYNC("async"),     // Index request is sent via an async AWS to ES
    DEFAULT("default");    // Follow the default setting

    private String name;

    private static final Map<String,IndexingStrategy> NAME_MAP;

    static {
        Map<String,IndexingStrategy> map = new HashMap<String,IndexingStrategy>();
        for (IndexingStrategy instance : IndexingStrategy.values()) {
            map.put(instance.getName(),instance);
        }
        NAME_MAP = Collections.unmodifiableMap(map);
    }

    IndexingStrategy(String name) {
        this.name = name;
    }

    public static IndexingStrategy get(String name) {
        IndexingStrategy indexingStrategy =  NAME_MAP.get(name);
        if (indexingStrategy == null) {
            return DEFAULT;
        }
        return indexingStrategy;
    }


    public String getName() {
        return this.name;
    }

}