io.resys.wrench.assets.flow.api.model.FlowModel Maven / Gradle / Ivy

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package io.resys.wrench.assets.flow.api.model;

/*-
 * #%L
 * wrench-assets-flow
 * %%
 * Copyright (C) 2016 - 2018 Copyright 2016 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.Collection;
import java.util.List;
import java.util.Map;
import java.util.function.Function;

import javax.annotation.Nullable;

import org.immutables.value.Value;

import io.resys.wrench.assets.datatype.api.DataTypeRepository.DataType;

@Value.Immutable
public interface FlowModel extends Serializable {
  String getId();
  int getRev();
  @Nullable
  String getDescription();
  String getSrc();
  Collection getInputs();
  FlowTaskModel getTask();
  Collection getTasks();

  interface FlowTaskModel extends Serializable {
    FlowTaskModel get(String taskId);
    String getId();
    @Nullable
    FlowTaskValue getBody();
    FlowTaskType getType();
    FlowTaskModel getPrevious();
    List getNext();
  }

  @Value.Immutable
  interface FlowTaskValue extends Serializable {
    @Nullable
    String getRef();
    @Nullable
    FlowTaskExpression getExpression();
    
    Map getInputs();
    boolean isCollection();
  }

  interface FlowTaskExpression extends Serializable {
    String getValue();
    List getInputs();
    boolean eval(FlowTaskExpressionContext context);
  }
  
  interface FlowTaskExpressionContext extends Function {
  }


  enum FlowTaskType {
    DT, SERVICE, USER_TASK, EMPTY, DECISION, EXCLUSIVE, MERGE, END
  }
}