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.dolphinscheduler.api.executor;
  
  import static com.google.common.base.Preconditions.checkNotNull;
  
  import org.apache.dolphinscheduler.api.enums.ExecuteType;
  
  import java.util.List;
  import java.util.Map;
  import java.util.function.Function;
  import java.util.stream.Collectors;
  
  import org.springframework.stereotype.Component;
  
  /**
   * This is the main class for executing workflow/workflowInstance/tasks.
   * <pre>
   *     ExecuteContext executeContext = ExecuteContext.builder()
   *         .processInstance(processInstance)
   *         .executeType(...)
   *         .build();
   *     executeClient.execute(executeContext);
   * </pre>
   */
  @Component
  @SuppressWarnings("unchecked")
  public class ExecuteClient {
  
      private final Map<ExecuteType, ExecuteFunctionBuilder> executorFunctionBuilderMap;
  
      public ExecuteClient(List<ExecuteFunctionBuilder> executeFunctionBuilders) {
          executorFunctionBuilderMap = executeFunctionBuilders.stream()
                  .collect(Collectors.toMap(ExecuteFunctionBuilder::getExecuteType, Function.identity()));
      }
  
      public ExecuteResult executeWorkflowInstance(ExecuteContext executeContext) throws ExecuteRuntimeException {
          ExecuteFunctionBuilder<ExecuteRequest, ExecuteResult> executeFunctionBuilder = checkNotNull(
                  executorFunctionBuilderMap.get(executeContext.getExecuteType()),
                  String.format("The executeType: %s is not supported", executeContext.getExecuteType()));
  
          return executeFunctionBuilder.createWorkflowInstanceExecuteFunction(executeContext)
                  .thenCombine(executeFunctionBuilder.createWorkflowInstanceExecuteRequest(executeContext),
                          ExecuteFunction::execute)
                  .join();
      }
  }
  