io.debezium.connector.postgresql.connection

Class AbstractMessageDecoder

java.lang.Object

io.debezium.connector.postgresql.connection.AbstractMessageDecoder

All Implemented Interfaces:

MessageDecoder

Direct Known Subclasses:

NonStreamingWal2JsonMessageDecoder, PgOutputMessageDecoder, PgProtoMessageDecoder, StreamingWal2JsonMessageDecoder

public abstract class AbstractMessageDecoder
extends Object
implements MessageDecoder

Abstract implementation of MessageDecoder that all decoders should inherit from.

Author:

Chris Cranford

Field Summary

Fields

Modifier and Type	Field and Description
private static org.slf4j.Logger	LOGGER

Constructor Summary

Constructors

Constructor and Description
AbstractMessageDecoder()

Method Summary

Modifier and Type	Method and Description
boolean	shouldMessageBeSkipped(ByteBuffer buffer, Long lastReceivedLsn, Long startLsn, boolean skipFirstFlushRecord) A callback into the decoder allowing it to decide whether the supplied message should be processed by the decoder or whether it can be skipped.

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.debezium.connector.postgresql.connection.MessageDecoder

optionsWithMetadata, optionsWithoutMetadata, processMessage, setContainsMetadata

Field Detail

LOGGER

private static final org.slf4j.Logger LOGGER

Constructor Detail

AbstractMessageDecoder

public AbstractMessageDecoder()

Method Detail

shouldMessageBeSkipped

public boolean shouldMessageBeSkipped(ByteBuffer buffer,
                                      Long lastReceivedLsn,
                                      Long startLsn,
                                      boolean skipFirstFlushRecord)

Description copied from interface: MessageDecoder

A callback into the decoder allowing it to decide whether the supplied message should be processed by the decoder or whether it can be skipped.

Specified by:

shouldMessageBeSkipped in interface MessageDecoder

Parameters:

buffer - the replication stream buffer

lastReceivedLsn - the last LSN reported by the replication stream

startLsn - the starting LSN reported by the streaming producer

skipFirstFlushRecord - whether first flush record should be skipped

Returns:

true if the incoming message should be skipped, false otherwise