sentry-provider/sentry-provider-common/src/main/java/org/apache/sentry/provider/common/Roles.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.sentry.provider.common;

import javax.annotation.Nullable;

import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.ImmutableSetMultimap;

/**
 * Class providing storage of roles
 */
public class Roles {
  private final ImmutableSetMultimap<String, String> globalRoles;
  private final ImmutableMap<String, ImmutableSetMultimap<String, String>> perDatabaseRoles;

  public Roles() {
    this(ImmutableSetMultimap.<String, String>of(),
        ImmutableMap.<String, ImmutableSetMultimap<String, String>>of());
  }

  public Roles(ImmutableSetMultimap<String, String> globalRoles,
      ImmutableMap<String, ImmutableSetMultimap<String, String>> perDatabaseRoles) {
    this.globalRoles = globalRoles;
    this.perDatabaseRoles = perDatabaseRoles;
  }

  public ImmutableSetMultimap<String, String> getGlobalRoles() {
    return globalRoles;
  }

  public ImmutableMap<String, ImmutableSetMultimap<String, String>> getPerDatabaseRoles() {
    return perDatabaseRoles;
  }
}