/**
     * Default constructor for the GenerateThumbnailJob.
     */
    public GenerateThumbnailJob() {
        super();
    }

    /**
     * Sets the number of threads to use for thumbnail generation.
     *
     * @param numOfThreads the number of threads
     * @return this job instance for method chaining
     */
    public GenerateThumbnailJob numOfThreads(final int numOfThreads) {

        GenerateThumbnailJob result = thumbnailJob.numOfThreads(4);

        assertSame(thumbnailJob, result);
        assertEquals(4, thumbnailJob.numOfThreads);
    }

    // Test cleanup setter
    @Test
    public void test_cleanup() {
        assertFalse(thumbnailJob.cleanup);

        GenerateThumbnailJob result = thumbnailJob.cleanup();

{"index":{"_index":"fess_config.scheduled_job","_id":"thumbnail_generate"}}
{"name":"Thumbnail Generator","target":"all","cronExpression":"* * * * *","scriptType":"groovy","scriptData":"return container.getComponent(\"generateThumbnailJob\").execute();","jobLogging":false,"crawler":false,"available":true,"sortOrder":6,"createdBy":"system","createdTime":0,"updatedBy":"system","updatedTime":0}
{"index":{"_index":"fess_config.scheduled_job","_id":"thumbnail_purger"}}