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/*
 * Copyright © 2016 Cask Data, Inc.
 *
 * Licensed 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 co.cask.cdap.security.spi.authorization;

import co.cask.cdap.api.Admin;
import co.cask.cdap.api.Transactional;
import co.cask.cdap.api.data.DatasetContext;

import java.util.Properties;

/**
 * A context for {@link Authorizer} extensions to interact with CDAP. This context is available to {@link Authorizer}
 * extensions in the {@link Authorizer#initialize(AuthorizationContext)} method.
 *
 * Extensions can use this class to:
 * 
 *   Perform admin operations such as create/update/truncate/drop/exists on a dataset.
 *   Instantiate datasets and obtain objects for them.
 *   Execute operations on datasets inside transactions.
 * 
 */
public interface AuthorizationContext extends DatasetContext, Admin, Transactional {
  /**
   * Returns the properties for the authorization extension. These properties are composed of all the properties
   * defined in {@code cdap-site.xml} with the prefix {@code security.authorization.extension.config.}.
   *
   * @return the {@link Properties} for the authorization extension
   */
  Properties getExtensionProperties();
}