content: /*
   * Copyright (C) 2016-2023 ActionTech.
   * License: http://www.gnu.org/licenses/gpl.html GPL version 2 or higher.
   */
  
  package com.actiontech.dble.plan.common.item.function.timefunc;
  
  import com.actiontech.dble.plan.common.item.FieldTypes;
  import com.actiontech.dble.plan.common.item.Item;
  import com.actiontech.dble.plan.common.time.MySQLTime;
  import com.actiontech.dble.plan.common.time.MyTime;
  
  import java.math.BigDecimal;
  import java.math.BigInteger;
  import java.util.List;
  
  
  /**
   * Abstract class for functions returning TIME values.
   *
   * @author ActionTech
   */
  public abstract class ItemTimeFunc extends ItemTemporalFunc {
  
      public ItemTimeFunc(List<Item> args, int charsetIndex) {
          super(args, charsetIndex);
      }
  
      @Override
      public FieldTypes fieldType() {
          return FieldTypes.MYSQL_TYPE_TIME;
      }
  
      @Override
      public String valStr() {
          return valStringFromTime();
      }
  
      @Override
      public BigInteger valInt() {
          return BigInteger.valueOf(valIntFromTime());
      }
  
      @Override
      public long valDateTemporal() {
          MySQLTime ltime = new MySQLTime();
          return getDate(ltime, MyTime.TIME_FUZZY_DATE) ? 0 : (MyTime.timeToLonglongTimePacked(ltime));
      }
  
      @Override
      public BigDecimal valReal() {
          return valRealFromDecimal();
      }
  
      @Override
      public void fixLengthAndDec() {
          fixLengthAndDecAndCharsetDatetime(MyTime.MAX_DATE_WIDTH, 0);
      }
  
      @Override
      public BigDecimal valDecimal() {
          return valDecimalFromTime();
      }
  
      @Override
      public boolean getDate(MySQLTime res, long fuzzyDate) {
          return getDateFromTime(res);
      }
  
      // All time functions must implement get_time()
      // to avoid use of generic Item::get_time()
      // which converts to string and then parses the string as TIME.
      public abstract boolean getTime(MySQLTime ltime);
  }
  