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.mathsfunc;
  
  import com.actiontech.dble.plan.common.item.Item;
  import com.actiontech.dble.plan.common.item.function.ItemFunc;
  import com.actiontech.dble.plan.common.item.function.primary.ItemFuncNum1;
  
  import java.math.BigDecimal;
  import java.math.BigInteger;
  import java.util.List;
  
  public class ItemFuncAbs extends ItemFuncNum1 {
  
      public ItemFuncAbs(List<Item> args, int charsetIndex) {
          super(args, charsetIndex);
      }
  
      @Override
      public final String funcName() {
          return "abs";
      }
  
      public BigDecimal realOp() {
          BigDecimal bd = args.get(0).valReal();
          nullValue = args.get(0).isNull();
          return bd.abs();
      }
  
      @Override
      public BigInteger intOp() {
          BigInteger bi = args.get(0).valInt();
          if (!(nullValue = args.get(0).isNull()))
              return bi.abs();
          return BigInteger.ZERO;
      }
  
      @Override
      public BigDecimal decimalOp() {
          BigDecimal bd = args.get(0).valDecimal();
          if (!(nullValue = args.get(0).isNull()))
              return bd.abs();
          return BigDecimal.ZERO;
      }
  
      @Override
      public ItemFunc nativeConstruct(List<Item> realArgs) {
          return new ItemFuncAbs(realArgs, charsetIndex);
      }
  }
  