《osgi与equinox创建高度模块化的java系统》第五章源码

package org.equinoxosgi.toast.internal.airbag.fake; import java.util.ArrayList; import java.util.Iterator; import java.util.List; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.Status; import org.eclipse.core.runtime.jobs.Job; import org.equinoxosgi.toast.airbag.IAirbag; import org.equinoxosgi.toast.airbag.IAirbagListener; public class FakeAirbag implements IAirbag { private List listeners; private Job job; private boolean isRunning; public FakeAirbag(){ super(); listeners=new ArrayList(); } @Override public synchronized void addListeners(IAirbagListener listener){ listeners.add(listener); } @Override public synchronized void deploy(){ for(Iterator<IAirbagListener> i=listeners.iterator();i.hasNext();){ i.next().deployed(); } } @Override public synchronized void removeListener(IAirbagListener listener){ listeners.remove(listener); } public synchronized void shutdown(){ isRunning=false; job.cancel(); try{ job.join(); }catch(InterruptedException e){ System.out.println(e.getMessage()); } } public synchronized void startup(){ isRunning=true; job=new Job("FakeAirbag"){ @Override protected IStatus run(IProgressMonitor monitor) { deploy(); if(isRunning){ schedule(5000); } return Status.OK_STATUS; } }; job.schedule(5000); } }