content: /*
   * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
   * (the "License"). You may not use this work except in compliance with the License, which is
   * available at www.apache.org/licenses/LICENSE-2.0
   *
   * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
   * either express or implied, as more fully set forth in the License.
   *
   * See the NOTICE file distributed with this work for information regarding copyright ownership.
   */
  
  package alluxio.security;
  
  import com.google.common.base.Objects;
  
  import java.security.Principal;
  import javax.annotation.concurrent.ThreadSafe;
  
  /**
   * This class represents the current user, which represents the end user. This may differ from
   * the Alluxio login user, {@link User}.
   */
  @ThreadSafe
  public final class CurrentUser implements Principal {
    private final String mName;
    private final String mServiceName;
  
    /**
     * Constructs a new user with a name.
     *
     * @param name the name of the user
     */
    public CurrentUser(String name) {
      this(name, "");
    }
  
    /**
     * Constructs a new user with a name and a service name.
     *
     * @param name the name of the user
     * @param serviceName the name of the service
     */
    public CurrentUser(String name, String serviceName) {
      mName = name;
      mServiceName = serviceName;
    }
  
    @Override
    public String getName() {
      return mName;
    }
  
    @Override
    public String toString() {
      return mName;
    }
  
    /**
     * @return the service name
     */
    public String getServiceName() {
      return mServiceName;
    }
  
    @Override
    public int hashCode() {
      return Objects.hashCode(mName, mServiceName);
    }
  
    @Override
    public boolean equals(Object o) {
      if (this == o) {
        return true;
      }
      if (!(o instanceof CurrentUser)) {
        return false;
      }
      CurrentUser other = (CurrentUser) o;
      return Objects.equal(mName, other.mName)
          && Objects.equal(mServiceName, other.mServiceName);
    }
  }
  