abstractmodule.java

j2me实现的移动机器人代码（Java实现）

package name.lxm.robot.arch;


public abstract class AbstractModule implements Runnable, Module, ValueUpdateListener
{
	protected String module_name;
	protected ModuleDoc doc;
	protected Thread t_this;
	protected boolean bRun = false;


	public String getName()
	{
		return module_name;
	}
	
	public abstract Port getPort(String name);
	
	public ModuleDoc getModuleDoc()
	{
		return doc;
	}
	
	public void init(ModuleDoc cfg) throws Exception
	{
		doc = cfg;
		module_name = doc.getName();
	}
	
	public void start() throws Exception
	{
		t_this = new Thread(this);
		bRun = true;
		t_this.start();
	}
	
	public void stop() throws Exception
	{
		bRun = false;
		int i = 0;
		while(t_this.isAlive() && i < 5)
		{
			t_this.interrupt();
			sleep(50);
			i++;
		}
		if(t_this.isAlive())
			throw new Exception("Cannot stop the module: " + module_name);
	}
	
	protected void sleep(long milli)
	{
		try{
			Thread.sleep(milli);
		}catch(InterruptedException e){}
	}
	
	public void destroy() throws Exception
	{
	}
	
	public int getLayer()
	{
		return doc.getLayer();
	}

	public abstract void run();

	public abstract void valueUpdated();
}