content: /*
   * Copyright 1999-2012 Alibaba Group.
   *  
   * 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.
   */
  /**
   * (created at 2011-1-18)
   */
  package com.alibaba.cobar.parser.ast.expression;
  
  import java.util.Map;
  
  /**
   * an operator with arity of 3
   * 
   * @author <a href="mailto:shuo.qius@alibaba-inc.com">QIU Shuo</a>
   */
  public abstract class TernaryOperatorExpression extends AbstractExpression {
      private final Expression first;
      private final Expression second;
      private final Expression third;
  
      public TernaryOperatorExpression(Expression first, Expression second, Expression third) {
          this.first = first;
          this.second = second;
          this.third = third;
      }
  
      public Expression getFirst() {
          return first;
      }
  
      public Expression getSecond() {
          return second;
      }
  
      public Expression getThird() {
          return third;
      }
  
      @Override
      public Object evaluationInternal(Map<? extends Object, ? extends Object> parameters) {
          return UNEVALUATABLE;
      }
  
  }
  