/*
 * Copyright 2014 Effektif GmbH.
 *
 * 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 com.effektif.workflow.impl.activity.types;

import java.util.List;

import com.effektif.workflow.api.activities.EmbeddedSubprocess;
import com.effektif.workflow.impl.WorkflowParser;
import com.effektif.workflow.impl.activity.AbstractActivityType;
import com.effektif.workflow.impl.workflow.ActivityImpl;
import com.effektif.workflow.impl.workflowinstance.ActivityInstanceImpl;


/**
 * @author Tom Baeyens
 */
public class EmbeddedSubprocessImpl extends AbstractActivityType<EmbeddedSubprocess> {

  protected List<ActivityImpl> startActivities;
  
  public EmbeddedSubprocessImpl() {
    super(EmbeddedSubprocess.class);
  }

  @Override
  public void parse(ActivityImpl activityImpl, EmbeddedSubprocess embeddedSubworkflow, WorkflowParser parser) {
    super.parse(activityImpl, embeddedSubworkflow, parser);
    this.startActivities = parser.getStartActivities(activityImpl);
  }

  @Override
  public void execute(ActivityInstanceImpl activityInstance) {
    if (startActivities!=null && !startActivities.isEmpty()) {
      for (ActivityImpl startActivity: startActivities) {
        activityInstance.execute(startActivity);
      }
    } else {
      activityInstance.onwards();
    }
  }
}