content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You 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.alibaba.compileflow.engine.bpmn.definition;
  
  /**
   * @author yusu
   */
  
  public enum RelationshipDirection {
  
      NONE("None"),
  
      FORWARD("Forward"),
  
      BACKWARD("Backward"),
  
      BOTH("Both");
      private final String value;
  
      RelationshipDirection(String v) {
          value = v;
      }
  
      public static RelationshipDirection fromValue(String v) {
          for (RelationshipDirection c : RelationshipDirection.values()) {
              if (c.value.equals(v)) {
                  return c;
              }
          }
          throw new IllegalArgumentException(v);
      }
  
      public String value() {
          return value;
      }
  
  }
  