/*
 * Copyright 2017 Graz University of Technology EAAF-Core Components has been developed in a
 * cooperation between EGIZ, A-SIT Plus, A-SIT, and Graz University of Technology.
 *
 * Licensed under the EUPL, Version 1.2 or - as soon they will be approved by the European
 * Commission - subsequent versions of the EUPL (the "Licence"); You may not use this work except in
 * compliance with the Licence. You may obtain a copy of the Licence at:
 * https://joinup.ec.europa.eu/news/understanding-eupl-v12
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the Licence
 * is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the Licence for the specific language governing permissions and limitations under
 * the Licence.
 *
 * This product combines work with different licenses. See the "NOTICE" text file for details on the
 * various modules and licenses. The "NOTICE" text file is part of the distribution. Any derivative
 * works that you distribute must include a readable copy of the "NOTICE" text file.
*/

package at.gv.egiz.eaaf.core.impl.idp.process.model;

import java.io.Serializable;

import org.apache.commons.collections4.CollectionUtils;

/**
 * Represents a start event. Each process description contains a single start
 * event. Process execution starts with a start event.
 *
 * @author tknall
 *
 */
public class StartEvent extends ProcessNode implements Serializable {

  private static final long serialVersionUID = 1L;

  @Override
  public String toString() {
    final StringBuilder builder = new StringBuilder();
    builder.append("StartEvent [");
    if (getId() != null) {
      builder.append("id=");
      builder.append(getId());
    }
    if (CollectionUtils.isNotEmpty(getIncomingTransitions())) {
      if (builder.length() > 0) {
        builder.append(", ");
      }
      builder.append("incomingTransitions=");
      builder.append(getIncomingTransitions());
    }
    if (CollectionUtils.isNotEmpty(getOutgoingTransitions())) {
      if (builder.length() > 0) {
        builder.append(", ");
      }
      builder.append("outgoingTransitions=");

      builder.append(getOutgoingTransitions());
    }
    builder.append("]");
    return builder.toString();
  }

}