Examples with ReplicationMessage io.debezium.connector.postgresql.connection.ReplicationMessage used on opensource projects

Example 1 with ReplicationMessage

use of io.debezium.connector.postgresql.connection.ReplicationMessage in project debezium by debezium.

the class RecordsStreamProducer method process.

private void process(ReplicationMessage message, Long lsn, BlockingConsumer<ChangeEvent> consumer) throws SQLException, InterruptedException {
    if (message == null) {
        // in some cases we can get null if PG gives us back a message earlier than the latest reported flushed LSN
        return;
    }
    TableId tableId = PostgresSchema.parse(message.getTable());
    assert tableId != null;
    // update the source info with the coordinates for this message
    long commitTimeNs = message.getCommitTime();
    long txId = message.getTransactionId();
    sourceInfo.update(lsn, commitTimeNs, txId);
    if (logger.isDebugEnabled()) {
        logger.debug("received new message at position {}\n{}", ReplicationConnection.format(lsn), message);
    }
    TableSchema tableSchema = tableSchemaFor(tableId);
    if (tableSchema == null) {
        return;
    }
    if (tableSchema.keySchema() == null) {
        logger.warn("ignoring message for table '{}' because it does not have a primary key defined", tableId);
    }
    ReplicationMessage.Operation operation = message.getOperation();
    switch(operation) {
        case INSERT:
            {
                Object[] row = columnValues(message.getNewTupleList(), tableId, true, message.hasTypeMetadata());
                generateCreateRecord(tableId, row, message.isLastEventForLsn(), consumer);
                break;
            }
        case UPDATE:
            {
                Object[] newRow = columnValues(message.getNewTupleList(), tableId, true, message.hasTypeMetadata());
                Object[] oldRow = columnValues(message.getOldTupleList(), tableId, false, message.hasTypeMetadata());
                generateUpdateRecord(tableId, oldRow, newRow, message.isLastEventForLsn(), consumer);
                break;
            }
        case DELETE:
            {
                Object[] row = columnValues(message.getOldTupleList(), tableId, false, message.hasTypeMetadata());
                generateDeleteRecord(tableId, row, message.isLastEventForLsn(), consumer);
                break;
            }
        default:
            {
                logger.warn("unknown message operation: " + operation);
            }
    }
}