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.jstorm.flux.model;
  
  public class PropertyDef {
      private String name;
      private Object value;
      private String ref;
  
      public String getName() {
          return name;
      }
  
      public void setName(String name) {
          this.name = name;
      }
  
      public Object getValue() {
          return value;
      }
  
      public void setValue(Object value) {
          if(this.ref != null){
              throw new IllegalStateException("A property can only have a value OR a reference, not both.");
          }
          this.value = value;
      }
  
      public String getRef() {
          return ref;
      }
  
      public void setRef(String ref) {
          if(this.value != null){
              throw new IllegalStateException("A property can only have a value OR a reference, not both.");
          }
          this.ref = ref;
      }
  
      public boolean isReference(){
          return this.ref != null;
      }
  }
  