content: /**
   * 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 com.alibaba.jstorm.container;
  
  import java.util.Set;
  
  import com.alibaba.jstorm.container.cgroup.CgroupCommon;
  
  public class Hierarchy {
  
      private final String name;
  
      private final Set<SubSystemType> subSystems;
  
      private final String type;
  
      private final String dir;
  
      private final CgroupCommon rootCgroups;
  
      public Hierarchy(String name, Set<SubSystemType> subSystems, String dir) {
          this.name = name;
          this.subSystems = subSystems;
          this.dir = dir;
          this.rootCgroups = new CgroupCommon(this, dir);
          this.type = CgroupUtils.reAnalyse(subSystems);
      }
  
      public Set<SubSystemType> getSubSystems() {
          return subSystems;
      }
  
      public String getType() {
          return type;
      }
  
      @Override
      public int hashCode() {
          final int prime = 31;
          int result = 1;
          result = prime * result + ((dir == null) ? 0 : dir.hashCode());
          result = prime * result + ((name == null) ? 0 : name.hashCode());
          result = prime * result + ((type == null) ? 0 : type.hashCode());
          return result;
      }
  
      @Override
      public boolean equals(Object obj) {
          if (this == obj)
              return true;
          if (obj == null)
              return false;
          if (getClass() != obj.getClass())
              return false;
          Hierarchy other = (Hierarchy) obj;
          if (dir == null) {
              if (other.dir != null)
                  return false;
          } else if (!dir.equals(other.dir))
              return false;
          if (name == null) {
              if (other.name != null)
                  return false;
          } else if (!name.equals(other.name))
              return false;
          if (type == null) {
              if (other.type != null)
                  return false;
          } else if (!type.equals(other.type))
              return false;
          return true;
      }
  
      public String getDir() {
          return dir;
      }
  
      public CgroupCommon getRootCgroups() {
          return rootCgroups;
      }
  
      public String getName() {
          return name;
      }
  
      public boolean subSystemMounted(SubSystemType subsystem) {
          for (SubSystemType type : this.subSystems) {
              if (type == subsystem)
                  return true;
          }
          return false;
      }
  
  }
  