private Map<String, TableDescriptor> getReachableTables(Collection<OperatorSpec> reachableOperators, JobNode jobNode) {
    // TODO: Fix this in SAMZA-1893. For now, returning all tables for single-job execution plan
    return jobNode.getTables();
  }
This class provides methods to generate configuration for a {@link JobNode}
samza-core/src/main/java/org/apache/samza/execution/JobNodeConfigurationGenerator.java