content: /*
   * Copyright 1999-2018 Alibaba Group Holding Ltd.
   *
   * 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.alibaba.nacos.api.selector;
  
  /**
   * The selector to filter resource with flexible expression.
   *
   * @author nkorange
   * @since 0.7.0
   */
  public class ExpressionSelector extends AbstractSelector {
  
      /**
       * Label expression of this selector.
       */
      private String expression;
  
      public ExpressionSelector() {
          this.setType(SelectorType.label.name());
      }
  
      public String getExpression() {
          return expression;
      }
  
      public void setExpression(String expression) {
          this.expression = expression;
      }
  }
  