geode-redis/src/main/java/org/apache/geode/redis/internal/RedisDataType.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.geode.redis.internal;

import org.apache.geode.cache.Region;
import org.apache.geode.redis.GeodeRedisServer;

/**
 * The RedisDataType enum contains the choices to which every {@link Region} on the server must be.
 * There is only one instance of {@link #REDIS_STRING} and {@link #REDIS_PROTECTED} defined by
 * {@link GeodeRedisServer#STRING_REGION} and {@link GeodeRedisServer#REDIS_META_DATA_REGION}
 * respectively.
 * <p>
 * The data types are:
 * <li>{@link RedisDataType#REDIS_STRING}</li>
 * <li>{@link RedisDataType#REDIS_HASH}</li>
 * <li>{@link RedisDataType#REDIS_LIST}</li>
 * <li>{@link RedisDataType#REDIS_SET}</li>
 * <li>{@link RedisDataType#REDIS_SORTEDSET}</li>
 * <li>{@link RedisDataType#REDIS_PROTECTED}</li>
 *
 */
public enum RedisDataType {
  /**
   * Strings Regions
   */
  REDIS_STRING {
    @Override
    public String toString() {
      return "string";
    }
  },

  /**
   * Hashes Regions
   */
  REDIS_HASH {
    @Override
    public String toString() {
      return "hash";
    }
  },

  /**
   * Lists Regions
   */
  REDIS_LIST {
    @Override
    public String toString() {
      return "list";
    }
  },

  /**
   * Sets Regions
   */
  REDIS_SET {
    @Override
    public String toString() {
      return "set";
    }
  },

  /**
   * SortedSets Regions
   */
  REDIS_SORTEDSET {
    @Override
    public String toString() {
      return "zset";
    }
  },

  /**
   * HyperLogLog Regions
   */
  REDIS_HLL {
    @Override
    public String toString() {
      return "hyperloglog";
    }
  },

  /**
   * Regions protected from overwrite or deletion
   */
  REDIS_PROTECTED {
    @Override
    public String toString() {
      return "protected";
    }
  },

  /**
   * None
   */
  NONE {
    @Override
    public String toString() {
      return "none";
    }
  };

};