examples/machinedata/src/main/java/org/apache/apex/examples/machinedata/data/ResourceType.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.apex.examples.machinedata.data;

import java.util.Map;

import com.google.common.collect.Maps;

/**
 * This class captures the resources whose usage is collected for each device
 * <p>ResourceType class.</p>
 *
 * @since 0.3.5
 */
public enum ResourceType
{

  CPU("cpu"), RAM("ram"), HDD("hdd");

  private static Map<String, ResourceType> descToResource = Maps.newHashMap();

  static {
    for (ResourceType type : ResourceType.values()) {
      descToResource.put(type.desc, type);
    }
  }

  private String desc;

  private ResourceType(String desc)
  {
    this.desc = desc;
  }

  @Override
  public String toString()
  {
    return desc;
  }

  /**
   * This method returns ResourceType for the given description
   * @param desc the description
   * @return
   */
  public static ResourceType getResourceTypeOf(String desc)
  {
    return descToResource.get(desc);
  }
}