com.ibm.as400.access

Class AS400PackedDecimal

    • Constructor Detail

      • AS400PackedDecimal

        public AS400PackedDecimal(int numDigits,
                          int numDecimalPositions)
        Constructs an AS400PackedDecimal object.
        Parameters:
        numDigits - The number of digits in the packed decimal number. It must be greater than or equal to one and less than or equal to thirty-one.
        numDecimalPositions - The number of decimal positions in the packed decimal number. It must be greater than or equal to zero and less than or equal to numDigits.

    • Method Detail

      • clone

        public Object clone()
        Creates a new AS400PackedDecimal object that is identical to the current instance.
        Specified by:
        clone in interface AS400DataType
        Overrides:
        clone in class Object
        Returns:
        The new object.
      • getByteLength

        public int getByteLength()
        Returns the byte length of the data type.
        Specified by:
        getByteLength in interface AS400DataType
        Returns:
        The number of bytes in the IBM i representation of the data type.
      • getDefaultValue

        public Object getDefaultValue()
        Returns a Java object representing the default value of the data type.
        Specified by:
        getDefaultValue in interface AS400DataType
        Returns:
        The BigDecimal object with a value of zero.
      • getJavaType

        public Class getJavaType()
        Returns the Java class that corresponds with this data type.
        Specified by:
        getJavaType in interface AS400DataType
        Returns:
        BigDecimal.class.
      • getNumberOfDigits

        public int getNumberOfDigits()
        Returns the total number of digits in the packed decimal number.
        Returns:
        The number of digits.
      • getNumberOfDecimalPositions

        public int getNumberOfDecimalPositions()
        Returns the number of decimal positions in the packed decimal number.
        Returns:
        The number of decimal positions.
      • isUseDouble

        public boolean isUseDouble()
        Indicates if a Double object or a BigDecimal object will be returned on a call to toObject().
        Returns:
        true if a Double will be returned, false if a BigDecimal will be returned. The default is false.
      • toBytes

        public byte[] toBytes(Object javaValue)
        Converts the specified Java object to IBM i format.
        Specified by:
        toBytes in interface AS400DataType
        Parameters:
        javaValue - The object corresponding to the data type. It must be an instance of BigDecimal and the BigDecimal must have a less than or equal to number of digits and a less than or equal to number of decimal places.
        Returns:
        The IBM i representation of the data type.
      • toBytes

        public int toBytes(Object javaValue,
                  byte[] as400Value)
        Converts the specified Java object into IBM i format in the specified byte array.
        Specified by:
        toBytes in interface AS400DataType
        Parameters:
        javaValue - The object corresponding to the data type. It must be an instance of BigDecimal and the BigDecimal must have a less than or equal to number of digits and a less than or equal to number of decimal places.
        as400Value - The array to receive the data type in IBM i format. There must be enough space to hold the IBM i value.
        Returns:
        The number of bytes in the IBM i representation of the data type.
      • toBytes

        public int toBytes(Object javaValue,
                  byte[] as400Value,
                  int offset)
        Converts the specified Java object into IBM i format in the specified byte array.
        Specified by:
        toBytes in interface AS400DataType
        Parameters:
        javaValue - An object corresponding to the data type. It must be an instance of BigDecimal and the BigDecimal must have a less than or equal to number of digits and a less than or equal to number of decimal places.
        as400Value - The array to receive the data type in IBM i format. There must be enough space to hold the IBM i value.
        offset - The offset into the byte array for the start of the IBM i value. It must be greater than or equal to zero.
        Returns:
        The number of bytes in the IBM i representation of the data type.
      • toBytes

        public byte[] toBytes(double doubleValue)
        Converts the specified Java object to IBM i format.
        Parameters:
        doubleValue - The value to be converted to IBM i format. If the decimal part of this value needs to be truncated, it will be rounded towards zero. If the integral part of this value needs to be truncated, an exception will be thrown.
        Returns:
        The IBM i representation of the data type.
      • toBytes

        public int toBytes(double doubleValue,
                  byte[] as400Value)
        Converts the specified Java object into IBM i format in the specified byte array.
        Parameters:
        doubleValue - The value to be converted to IBM i format. If the decimal part of this value needs to be truncated, it will be rounded towards zero. If the integral part of this value needs to be truncated, an exception will be thrown.
        as400Value - The array to receive the data type in IBM i format. There must be enough space to hold the IBM i value.
        Returns:
        The number of bytes in the IBM i representation of the data type.
      • toBytes

        public int toBytes(double doubleValue,
                  byte[] as400Value,
                  int offset)
        Converts the specified Java object into IBM i format in the specified byte array.
        Parameters:
        doubleValue - The value to be converted to IBM i format. If the decimal part of this value needs to be truncated, it will be rounded towards zero. If the integral part of this value needs to be truncated, an exception will be thrown.
        as400Value - The array to receive the data type in IBM i format. There must be enough space to hold the IBM i value.
        offset - The offset into the byte array for the start of the IBM i value. It must be greater than or equal to zero.
        Returns:
        The number of bytes in the IBM i representation of the data type.
      • toDouble

        public double toDouble(byte[] as400Value)
        Converts the specified IBM i data type to a Java double value. If the decimal part of the value needs to be truncated to be represented by a Java double value, then it is rounded towards zero. If the integral part of the value needs to be truncated to be represented by a Java double value, then it converted to either Double.POSITIVE_INFINITY or Double.NEGATIVE_INFINITY.
        Parameters:
        as400Value - The array containing the data type in IBM i format. The entire data type must be represented.
        Returns:
        The Java double value corresponding to the data type.
      • toDouble

        public double toDouble(byte[] as400Value,
                      int offset)
        Converts the specified IBM i data type to a Java double value. If the decimal part of the value needs to be truncated to be represented by a Java double value, then it is rounded towards zero. If the integral part of the value needs to be truncated to be represented by a Java double value, then it converted to either Double.POSITIVE_INFINITY or Double.NEGATIVE_INFINITY.
        Parameters:
        as400Value - The array containing the data type in IBM i format. The entire data type must be represented.
        offset - The offset into the byte array for the start of the IBM i value. It must be greater than or equal to zero.
        Returns:
        The Java double value corresponding to the data type.
      • toObject

        public Object toObject(byte[] as400Value)
        Converts the specified IBM i data type to a Java object.
        Specified by:
        toObject in interface AS400DataType
        Parameters:
        as400Value - The array containing the data type in IBM i format. The entire data type must be represented.
        Returns:
        The BigDecimal object corresponding to the data type.
      • toObject

        public Object toObject(byte[] as400Value,
                      int offset)
        Converts the specified IBM i data type to a Java object.
        Specified by:
        toObject in interface AS400DataType
        Parameters:
        as400Value - The array containing the data type in IBM i format. The entire data type must be represented and the data type must have valid packed decimal format.
        offset - The offset into the byte array for the start of the IBM i value. It must be greater than or equal to zero.
        Returns:
        The BigDecimal object corresponding to the data type.
      • toObject

        public Object toObject(byte[] as400Value,
                      int offset,
                      boolean ignoreErrors)