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/*
 * Copyright © 2015 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 io.cdap.cdap.internal.app.workflow;

import io.cdap.cdap.api.Predicate;
import io.cdap.cdap.api.workflow.Condition;
import io.cdap.cdap.api.workflow.WorkflowConditionNode;
import io.cdap.cdap.api.workflow.WorkflowContext;
import io.cdap.cdap.api.workflow.WorkflowNode;
import java.util.List;

/**
 * Defines an interface for adding {@link WorkflowConditionNode} to the Workflow.
 */
public interface WorkflowConditionAdder {

  /**
   * Adds a {@link WorkflowConditionNode} to the Workflow.
   *
   * @param predicate the predicate representing condition.
   * @param ifBranch the branch that is executed when the predicate evaluates to the true
   * @param elseBranch the branch that is executed when the predicate evaluates to the false
   */
  void addWorkflowConditionNode(Predicate predicate, List ifBranch,
      List elseBranch);

  /**
   * Adds a {@link WorkflowConditionNode} to the Workflow.
   *
   * @param condition the condition in the Workflow
   * @param ifBranch the branch that is executed when the predicate evaluates to the true
   * @param elseBranch the branch that is executed when the predicate evaluates to the false
   */
  void addWorkflowConditionNode(Condition condition, List ifBranch,
      List elseBranch);
}