Examples with KeyInfo cbit.vcell.client.task.AsynchClientTask.KeyInfo used on opensource projects

Example 1 with KeyInfo

use of cbit.vcell.client.task.AsynchClientTask.KeyInfo in project vcell by virtualcell.

the class ClientTaskDispatcher method runTask.

/**
 * call currentTask.run(hash) with log4j logging; check for required keys
 * @param currentTask not null
 * @param hash not null
 * @param taskList current set of tasks being dispatched
 * @throws Exception
 */
private static void runTask(AsynchClientTask currentTask, Hashtable<String, Object> hash, Collection<AsynchClientTask> taskList) throws Exception {
    if (lg.isDebugEnabled()) {
        String msg = "Thread " + Thread.currentThread().getName() + " calling task " + currentTask.getTaskName();
        if (lg.isDebugEnabled()) {
            Object obj = hash.get(STACK_TRACE_ARRAY);
            StackTraceElement[] ste = BeanUtils.downcast(StackTraceElement[].class, obj);
            if (ste != null) {
                msg += '\n' + StringUtils.join(ste, '\n');
            }
            lg.debug(msg);
        } else {
            lg.debug(msg);
        }
    }
    // check required elements present
    StringBuilder sb = null;
    for (KeyInfo requiredKey : currentTask.requiredKeys()) {
        Object obj = hash.get(requiredKey.name);
        if (obj == null) {
            if (sb == null)
                sb = initStringBuilder(currentTask);
            sb.append("Missing required key  " + requiredKey.name + '\n');
            continue;
        }
        Class<?> foundClass = obj.getClass();
        if (!requiredKey.clzz.isAssignableFrom(foundClass)) {
            if (sb == null)
                sb = initStringBuilder(currentTask);
            sb.append("key " + requiredKey.name + " type " + foundClass.getName() + " not of required type " + requiredKey.clzz.getName());
            sb.append('\n');
        }
    }
    if (sb == null) {
        // no problems found
        currentTask.run(hash);
        return;
    }
    sb.append("Prior tasks\n");
    for (AsynchClientTask pt : taskList) {
        if (pt == currentTask) {
            break;
        }
        sb.append('\t' + pt.getTaskName() + '\n');
    }
    hash.put(HASH_DATA_ERROR, HASH_DATA_ERROR);
    throw new ProgrammingException(sb.toString());
}