Examples with PostgreSQLSource com.ververica.cdc.connectors.postgres.PostgreSQLSource used on opensource projects

Example 1 with PostgreSQLSource

use of com.ververica.cdc.connectors.postgres.PostgreSQLSource in project plugins by qlangtech.

the class FlinkCDCPostgreSQLSourceFunction method start.

@Override
public JobExecutionResult start(TargetResName dataxName, IDataxReader dataSource, List<ISelectedTab> tabs, IDataxProcessor dataXProcessor) throws MQConsumeException {
    try {
        BasicDataXRdbmsReader rdbmsReader = (BasicDataXRdbmsReader) dataSource;
        final BasicDataSourceFactory dsFactory = (BasicDataSourceFactory) rdbmsReader.getDataSourceFactory();
        BasicDataSourceFactory.ISchemaSupported schemaSupported = (BasicDataSourceFactory.ISchemaSupported) dsFactory;
        if (StringUtils.isEmpty(schemaSupported.getDBSchema())) {
            throw new IllegalStateException("dsFactory:" + dsFactory.dbName + " relevant dbSchema can not be null");
        }
        SourceChannel sourceChannel = new SourceChannel(SourceChannel.getSourceFunction(dsFactory, (tab) -> schemaSupported.getDBSchema() + "." + tab.getTabName(), tabs, (dbHost, dbs, tbs, debeziumProperties) -> {
            DateTimeConverter.setDatetimeConverters(PGDateTimeConverter.class.getName(), debeziumProperties);
            return dbs.stream().map((dbname) -> {
                SourceFunction<DTO> sourceFunction = PostgreSQLSource.<DTO>builder().hostname(dbHost).port(dsFactory.port).database(// monitor postgres database
                dbname).schemaList(// monitor inventory schema
                schemaSupported.getDBSchema()).tableList(// monitor products table
                tbs.toArray(new String[tbs.size()])).username(dsFactory.userName).password(dsFactory.password).debeziumProperties(debeziumProperties).deserializer(// converts SourceRecord to JSON String
                new TISDeserializationSchema()).build();
                return new ReaderSource(dbHost + ":" + dsFactory.port + "_" + dbname, sourceFunction);
            }).collect(Collectors.toList());
        }));
        for (ISelectedTab tab : tabs) {
            sourceChannel.addFocusTab(tab.getName());
        }
        return (JobExecutionResult) getConsumerHandle().consume(dataxName, sourceChannel, dataXProcessor);
    } catch (Exception e) {
        throw new MQConsumeException(e.getMessage(), e);
    }
}