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package io.resys.hdes.client.api.programs;

/*-
 * #%L
 * hdes-client-api
 * %%
 * Copyright (C) 2020 - 2021 Copyright 2020 ReSys OÜ
 * %%
 * 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.
 * #L%
 */

import java.io.Serializable;
import java.util.Map;
import java.util.Optional;

import javax.annotation.Nullable;

import org.immutables.value.Value;

import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;

import io.resys.hdes.client.api.HdesClient.ExecutorBuilder;
import io.resys.hdes.client.api.ast.TypeDef;
import io.resys.hdes.client.api.programs.FlowProgram.FlowResultLog;

public interface Program extends Serializable {
  
  interface ProgramResult extends Serializable {
  }  
  
  interface ProgramContext extends Serializable {
    ProgramContextNamedValue getValueWithMeta(String typeDefName);
    Serializable getValue(TypeDef typeDef);
    
    Map toMap(Object input);
    // Throws exception if not found
    Serializable getValue(String typeDefName);
    Optional findValue(String typeDefName);
    
     T getBean(Class type);
    FlowProgram getFlow(String name);
    DecisionProgram getDecision(String name);
    ServiceProgram getService(String name);
    
    ExecutionLog getLog();
    ExecutorBuilder executor();
    
  }
  
  interface ExecutionLog {}
  
  @JsonSerialize(as = ImmutableFlowExecutionLog.class)
  @JsonDeserialize(as = ImmutableFlowExecutionLog.class)
  @Value.Immutable
  interface FlowExecutionLog extends ExecutionLog {
    Map getAccepts();
    Map getSteps(); 
  }
  
  @Value.Immutable
  interface ProgramContextNamedValue {
    Boolean getFound();
    @Nullable
    Serializable getValue();
  }
}