@Override
    public boolean isRunning() {
        return taskRunning;
    }
The task to work for fetching data of Oracle table stream split.
 Copy from com.ververica:flink-connector-oracle-cdc:2.3.0
inlong-sort/sort-flink/sort-flink-v1.13/sort-connectors/oracle-cdc/src/main/java/org/apache/inlong/sort/cdc/oracle/source/reader/fetch/OracleStreamFetchTask.java