com.oceanbase.oms.logmessage

接口 FieldParseListener

public interface FieldParseListener

This interface defined a kind of listener for field parsing.

方法概要

限定符和类型	方法和说明
boolean	needSchemaInfo() Flag of whether schema info (fieldName, type, encoding, notNull) is needed.
void	parseNotify(int type, ByteString value, String encoding, boolean isPrev) Handle the filed parsing result.
void	parseNotify(String fieldName, int type, String encoding, ByteString value, boolean notNull, boolean isPrev) Handle the filed parsing result.

方法详细资料

parseNotify

void parseNotify(String fieldName,
                 int type,
                 String encoding,
                 ByteString value,
                 boolean notNull,
                 boolean isPrev)

Handle the filed parsing result.

参数:

fieldName - Field name.

type - LogMessageTypeCode.

encoding - Encoding of value.

value - Field value.

notNull - Flag of whether the field is not null (not optional).

isPrev - Flag of whether the value is the old one.

parseNotify

void parseNotify(int type,
                 ByteString value,
                 String encoding,
                 boolean isPrev)

Handle the filed parsing result. Only support value, as we already know schema info.

参数:

type - LogMessageTypeCode.

value - Field value.

encoding - Encoding of value.

isPrev - Flag of whether the value is the old one.

needSchemaInfo

boolean needSchemaInfo()

Flag of whether schema info (fieldName, type, encoding, notNull) is needed.

返回:

True for needed, otherwise false.