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 org.apache.causeway.viewer.graphql.applib.auth;
  
  import graphql.ExperimentalApi;
  import graphql.execution.ExecutionContext;
  import graphql.execution.ExecutionStrategyParameters;
  
  import org.apache.causeway.applib.services.user.UserMemento;
  
  /**
   * SPI to obtain the {@link UserMemento} (in other words the identity of the executing user) from
   * the provided GraphQL {@link ExecutionContext} and {@link ExecutionStrategyParameters}.
   *
   * <p>
   *     The framework provides a default implementation (as a fallback) that returns a statically configured user
   * </p>
   *
   * <p>
   *     <b>NOTE</b>: this API is considered experimental/beta and may change in the future.
   * </p>
   *
   * @since 2.0 {@index}
   *
   * @beta
   */
  @ExperimentalApi
  public interface UserMementoProvider {
  
      UserMemento userMemento(ExecutionContext executionContext, ExecutionStrategyParameters parameters);
  
  }
  