Java Examples for com.redhat.rhn.taskomatic.task.threaded.TaskQueue

The following java examples will help you to understand the usage of com.redhat.rhn.taskomatic.task.threaded.TaskQueue. These source code samples are taken from different open source projects.

Example 1

Project: spacewalk-master File: RhnQueueJob.java View source code

/**
     * {@inheritDoc}
     */
public void execute(JobExecutionContext ctx) throws JobExecutionException {
    TaskQueueFactory factory = TaskQueueFactory.get();
    String queueName = getQueueName();
    TaskQueue queue = factory.getQueue(queueName);
    if (queue == null) {
        try {
            queue = factory.createQueue(queueName, getDriverClass(), getLogger());
        } catch (Exception e) {
            getLogger().error(e);
            return;
        }
    }
    if (queue.changeRun(jobRun)) {
        jobRun.start();
        HibernateFactory.commitTransaction();
        HibernateFactory.closeSession();
        logToNewFile();
        getLogger().debug("Starting run " + jobRun.getId());
    } else {
        // close current run
        TaskoRun run = (TaskoRun) HibernateFactory.reload(jobRun);
        run.appendToOutputLog("Run with id " + queue.getQueueRun().getId() + " handles the whole task queue.");
        run.skipped();
        HibernateFactory.commitTransaction();
        HibernateFactory.closeSession();
    }
    int defaultItems = 3;
    if (queueName.equals("channel_repodata")) {
        defaultItems = 1;
    }
    int maxWorkItems = Config.get().getInt("taskomatic." + queueName + "_max_work_items", defaultItems);
    int queueSize = queue.getQueueSize();
    if (getLogger().isDebugEnabled()) {
        getLogger().debug("Queue size (before run): " + queueSize);
    }
    if (queueSize < maxWorkItems) {
        queue.run();
    } else {
        getLogger().warn("Maximum number of workers already put ... skipping.");
    }
}