// Licensed to the Software Freedom Conservancy (SFC) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The SFC 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.openqa.selenium.grid.config;

import java.util.Objects;
import org.openqa.selenium.internal.Require;

public class Role implements Comparable<Role> {

  private final String roleName;

  public Role(String roleName) {
    this.roleName = Require.nonNull("Role name", roleName);
  }

  public static Role of(String name) {
    return new Role(Require.nonNull("Role name", name));
  }

  public String getRoleName() {
    return roleName;
  }

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

  @Override
  public boolean equals(Object o) {
    if (!(o instanceof Role)) {
      return false;
    }

    Role that = (Role) o;
    return Objects.equals(this.roleName, that.roleName);
  }

  @Override
  public int hashCode() {
    return Objects.hash(roleName);
  }

  @Override
  public int compareTo(Role o) {
    return getRoleName().compareTo(o.getRoleName());
  }
}
