content: package com.alibaba.qlexpress4.runtime;
  
  import com.alibaba.qlexpress4.exception.ErrorReporter;
  import com.alibaba.qlexpress4.exception.QLErrorCodes;
  import com.alibaba.qlexpress4.runtime.data.convert.ObjTypeConvertor;
  
  /**
   * assignable value
   * <p>
   * Author: DQinYuan
   */
  public interface LeftValue extends Value {
      
      Class<?> getDefinedType();
      
      @Override
      default Class<?> getType() {
          Class<?> definedType = getDefinedType();
          return definedType == null ? Value.super.getType() : definedType;
      }
      
      default void set(Object newValue, ErrorReporter errorReporter) {
          Class<?> defineType = getDefinedType();
          ObjTypeConvertor.QConverted result = ObjTypeConvertor.cast(newValue, defineType);
          if (!result.isConvertible()) {
              throw errorReporter.reportFormat(QLErrorCodes.INCOMPATIBLE_ASSIGNMENT_TYPE.name(),
                  QLErrorCodes.INCOMPATIBLE_ASSIGNMENT_TYPE.getErrorMsg(),
                  newValue == null ? "null" : newValue.getClass().getName(),
                  defineType.getName());
          }
          setInner(result.getConverted());
      }
      
      void setInner(Object newValue);
      
      /**
       * @return Nullable
       */
      String getSymbolName();
  }
  