org.apache.nifi.cdc.mysql.event.io

Class AbstractBinlogEventWriter<T extends BinlogEventInfo>

java.lang.Object

org.apache.nifi.cdc.event.io.AbstractEventWriter<T>

org.apache.nifi.cdc.mysql.event.io.AbstractBinlogEventWriter<T>

All Implemented Interfaces:

EventWriter<T>

Direct Known Subclasses:

AbstractBinlogTableEventWriter, BeginTransactionEventWriter, CommitTransactionEventWriter

public abstract class AbstractBinlogEventWriter<T extends BinlogEventInfo>
extends AbstractEventWriter<T>

An abstract base class for writing MYSQL binlog events into flow file(s), e.g.

Field Summary

Fields inherited from class org.apache.nifi.cdc.event.io.AbstractEventWriter

jsonGenerator

Fields inherited from interface org.apache.nifi.cdc.event.io.EventWriter

APPLICATION_JSON, CDC_EVENT_TYPE_ATTRIBUTE, SEQUENCE_ID_KEY

Constructor Summary

Constructors

Constructor and Description
AbstractBinlogEventWriter()

Method Summary

Modifier and Type	Method and Description
protected Map<String,String>	getCommonAttributes(long sequenceId, BinlogEventInfo eventInfo)
long	writeEvent(ProcessSession session, String transitUri, T eventInfo, long currentSequenceId, Relationship relationship)
protected void	writeJson(T event)

Methods inherited from class org.apache.nifi.cdc.event.io.AbstractEventWriter

endJson, startJson

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AbstractBinlogEventWriter

public AbstractBinlogEventWriter()

Method Detail

writeJson

protected void writeJson(T event)
                  throws IOException

Throws:

IOException

getCommonAttributes

protected Map<String,String> getCommonAttributes(long sequenceId,
                                                 BinlogEventInfo eventInfo)

writeEvent

public long writeEvent(ProcessSession session,
                       String transitUri,
                       T eventInfo,
                       long currentSequenceId,
                       Relationship relationship)