程序包 com.mysql.cj.protocol

接口 ValueDecoder

所有已知实现类:

MysqlBinaryValueDecoder, MysqlTextValueDecoder, XProtocolDecoder

public interface ValueDecoder

A value decoder is responsible for interpreting a byte array as a value. The type of the value is encoded in the method call. After decoding, the value decoder passes an intermediate representation of the value to a ValueFactory for result value creation.

从以下版本开始:

6.0

方法概要

修饰符和类型	方法	说明
<T> T	decodeBit(byte[] bytes, int offset, int length, ValueFactory<T> vf)
<T> T	decodeByteArray(byte[] bytes, int offset, int length, Field f, ValueFactory<T> vf)
<T> T	decodeDate(byte[] bytes, int offset, int length, ValueFactory<T> vf)
<T> T	decodeDatetime(byte[] bytes, int offset, int length, int scale, ValueFactory<T> vf)
<T> T	decodeDecimal(byte[] bytes, int offset, int length, ValueFactory<T> vf)
<T> T	decodeDouble(byte[] bytes, int offset, int length, ValueFactory<T> vf)
<T> T	decodeFloat(byte[] bytes, int offset, int length, ValueFactory<T> vf)
<T> T	decodeInt1(byte[] bytes, int offset, int length, ValueFactory<T> vf)
<T> T	decodeInt2(byte[] bytes, int offset, int length, ValueFactory<T> vf)
<T> T	decodeInt4(byte[] bytes, int offset, int length, ValueFactory<T> vf)
<T> T	decodeInt8(byte[] bytes, int offset, int length, ValueFactory<T> vf)
<T> T	decodeSet(byte[] bytes, int offset, int length, Field f, ValueFactory<T> vf)
<T> T	decodeTime(byte[] bytes, int offset, int length, int scale, ValueFactory<T> vf)
<T> T	decodeTimestamp(byte[] bytes, int offset, int length, int scale, ValueFactory<T> vf)
<T> T	decodeUInt1(byte[] bytes, int offset, int length, ValueFactory<T> vf)
<T> T	decodeUInt2(byte[] bytes, int offset, int length, ValueFactory<T> vf)
<T> T	decodeUInt4(byte[] bytes, int offset, int length, ValueFactory<T> vf)
<T> T	decodeUInt8(byte[] bytes, int offset, int length, ValueFactory<T> vf)
<T> T	decodeYear(byte[] bytes, int offset, int length, ValueFactory<T> vf)

方法详细资料

decodeDate

<T> T decodeDate(byte[] bytes,
                 int offset,
                 int length,
                 ValueFactory<T> vf)

decodeTime

<T> T decodeTime(byte[] bytes,
                 int offset,
                 int length,
                 int scale,
                 ValueFactory<T> vf)

decodeTimestamp

<T> T decodeTimestamp(byte[] bytes,
                      int offset,
                      int length,
                      int scale,
                      ValueFactory<T> vf)

decodeDatetime

<T> T decodeDatetime(byte[] bytes,
                     int offset,
                     int length,
                     int scale,
                     ValueFactory<T> vf)

decodeInt1

<T> T decodeInt1(byte[] bytes,
                 int offset,
                 int length,
                 ValueFactory<T> vf)

decodeUInt1

<T> T decodeUInt1(byte[] bytes,
                  int offset,
                  int length,
                  ValueFactory<T> vf)

decodeInt2

<T> T decodeInt2(byte[] bytes,
                 int offset,
                 int length,
                 ValueFactory<T> vf)

decodeUInt2

<T> T decodeUInt2(byte[] bytes,
                  int offset,
                  int length,
                  ValueFactory<T> vf)

decodeInt4

<T> T decodeInt4(byte[] bytes,
                 int offset,
                 int length,
                 ValueFactory<T> vf)

decodeUInt4

<T> T decodeUInt4(byte[] bytes,
                  int offset,
                  int length,
                  ValueFactory<T> vf)

decodeInt8

<T> T decodeInt8(byte[] bytes,
                 int offset,
                 int length,
                 ValueFactory<T> vf)

decodeUInt8

<T> T decodeUInt8(byte[] bytes,
                  int offset,
                  int length,
                  ValueFactory<T> vf)

decodeFloat

<T> T decodeFloat(byte[] bytes,
                  int offset,
                  int length,
                  ValueFactory<T> vf)

decodeDouble

<T> T decodeDouble(byte[] bytes,
                   int offset,
                   int length,
                   ValueFactory<T> vf)

decodeDecimal

<T> T decodeDecimal(byte[] bytes,
                    int offset,
                    int length,
                    ValueFactory<T> vf)

decodeByteArray

<T> T decodeByteArray(byte[] bytes,
                      int offset,
                      int length,
                      Field f,
                      ValueFactory<T> vf)

decodeBit

<T> T decodeBit(byte[] bytes,
                int offset,
                int length,
                ValueFactory<T> vf)

decodeSet

<T> T decodeSet(byte[] bytes,
                int offset,
                int length,
                Field f,
                ValueFactory<T> vf)

decodeYear

<T> T decodeYear(byte[] bytes,
                 int offset,
                 int length,
                 ValueFactory<T> vf)