content: /*
   * Copyright 1999-2017 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.druid.sql.ast.expr;
  
  import com.alibaba.druid.DbType;
  import com.alibaba.druid.sql.SQLUtils;
  import com.alibaba.druid.sql.ast.SQLDataType;
  import com.alibaba.druid.sql.ast.SQLDataTypeImpl;
  import com.alibaba.druid.sql.visitor.SQLASTVisitor;
  
  public class SQLJSONExpr extends SQLTypeExpr {
      public SQLJSONExpr() {
          super(new SQLDataTypeImpl(SQLDataType.Constants.JSON));
      }
  
      public SQLJSONExpr(String value) {
          this();
          this.value = value;
      }
  
      public SQLJSONExpr clone() {
          SQLJSONExpr x = new SQLJSONExpr(getValue());
          return x;
      }
  
      public String getValue() {
          return (String) value;
      }
  
      public void setValue(String literal) {
          this.value = literal;
      }
  
      @Override
      public boolean equals(Object o) {
          if (this == o) {
              return true;
          }
          if (o == null || getClass() != o.getClass()) {
              return false;
          }
  
          SQLJSONExpr that = (SQLJSONExpr) o;
  
          return value != null ? value.equals(that.value) : that.value == null;
      }
  
      @Override
      public int hashCode() {
          return value != null ? value.hashCode() : 0;
      }
  
      @Override
      protected void accept0(SQLASTVisitor visitor) {
          visitor.visit(this);
  
          visitor.endVisit(this);
      }
  
      public String toString() {
          return SQLUtils.toSQLString(this, (DbType) null);
      }
  }
  