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This deals with different aspects like In memory queue, throttling, event management etc

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package org.ak.trafficController;

/**
 * This task will create unlinked task. 
 * This means when executed, this task chain will be added directly executor
 * and parent will not be waited.
 * Link with parent is just to get the start point for this task.
 * Once started, this will be a brand new task with its own chain.
 * Parent task will remain available for ease of use but won't be ever executed.
 * This task will act as a linker task. It will link and go.
 * 
 * NOTE : This is a tricky task as it is opening a new chain. You should ideally run submit or start on parent task.
 * @author Amit Khosla
 */
public class UnlinkedTask extends Task {
	
	protected Task taskToBeAsynced;
	
	/**
	 * Constructor to Create unlinked task.
	 * @param unique Unique number
	 * @param taskType Task type
	 * @param taskToBeAsynced Task which will be async i.e. will be put in executor and not waited for completion 
	 */
	public UnlinkedTask(int unique, TaskType taskType, Task taskToBeAsynced) {
		super(unique, taskType);
		this.taskToBeAsynced = taskToBeAsynced;
		taskToBeAsynced.parentTask = this;
	}
	
	/**
	 * If we want to change the task executor of the async task. This will allow this task to continue in its own task executor.
	 * @param taskExecutor Task executor to be used
	 * @return Self so as to carry on any update
	 */
	public UnlinkedTask setTaskExecutorForAsyncTask(TaskExecutor taskExecutor) {
		this.taskToBeAsynced.taskExecutor = taskExecutor;
		return this;
	}

	/* (non-Javadoc)
	 * @see org.ak.trafficController.Task#executeCurrentTask()
	 */
	@Override
	protected void executeCurrentTask() {
		if (taskToBeAsynced.taskExecutor == null) {
			taskExecutor.enque(taskToBeAsynced);
		} else {
			taskToBeAsynced.taskExecutor.enque(taskToBeAsynced);
		}
	}
}