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 org.apache.spark.sql.catalyst.expressions;
  
  /**
   * Expression information, will be used to describe a expression.
   */
  public class ExpressionInfo {
      private String className;
      private String usage;
      private String name;
      private String extended;
  
      public String getClassName() {
          return className;
      }
  
      public String getUsage() {
          return usage;
      }
  
      public String getName() {
          return name;
      }
  
      public String getExtended() {
          return extended;
      }
  
      public ExpressionInfo(String className, String name, String usage, String extended) {
          this.className = className;
          this.name = name;
          this.usage = usage;
          this.extended = extended;
      }
  
      public ExpressionInfo(String className, String name) {
          this(className, name, null, null);
      }
  }
  