Java 如何获取代码当前运行的SwingWorker?
如何获取代码当前运行的Java 如何获取代码当前运行的SwingWorker?,java,multithreading,swing,swingworker,Java,Multithreading,Swing,Swingworker,如何获取代码当前运行的SwingWorker?您可以使用Thread.currentThread()获取Thread实例,但我需要SwingWorker实例 注释中的代码 private static void loadFeaturesForSym(final SeqSymmetry optimized_sym, final GenericFeature feature) throws OutOfMemoryE
SwingWorker
?您可以使用Thread.currentThread()
获取Thread
实例,但我需要SwingWorker
实例
注释中的代码
private static void loadFeaturesForSym(final SeqSymmetry optimized_sym,
final GenericFeature feature)
throws OutOfMemoryError {
final CThreadWorker<Boolean, Object> worker =
new CThreadWorker<Boolean, Object>("Loading feature " + feature.featureName) {
@Override
protected Boolean runInBackground() {
try {
return loadFeaturesForSym(feature, optimized_sym);
} catch (Exception ex) {
ex.printStackTrace();
}
return false;
}
};
ThreadHandler.getThreadHandler().execute(feature, worker);
}
}
private static void loadfeatures forsym(最终序列对称优化),
最终通用功能(功能)
抛出OutOfMemoryError{
最终CThreadWorker=
新的CThreadWorker(“加载特性”+特性.featureName){
@凌驾
受保护的布尔值runInBackground(){
试试{
返回载荷特征ForSym(特征,优化的_-sym);
}捕获(例外情况除外){
例如printStackTrace();
}
返回false;
}
};
getThreadHandler().execute(功能,工作程序);
}
}
我建议您创建一个模型对象,SwingWorker可以监听并通过发布和处理方法发送这些更新。您的其他对象不应该知道SwingWorker,他们应该只知道自己的进度,并将其发布给任何想要收听的人。这叫做脱钩。这里有一个想法,它使用了接近MVC的东西。我没有编译这段代码,但它有助于解释我所说的内容
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
public class ProcessStatus {
public static final String PROGRESS = "Progress";
private PropertyChangeSupport propertyChangeSupport;
private int progress = 0;
public void addPropertyChangeListener(PropertyChangeListener listener) {
propertyChangeSupport.addPropertyChangeListener(listener);
}
public void removePropertyChangeListener(PropertyChangeListener listener) {
propertyChangeSupport.removePropertyChangeListener(listener);
}
protected void firePropertyChange(String propertyName, Object oldValue, Object newValue) {
propertyChangeSupport.firePropertyChange(propertyName, oldValue, newValue);
}
public void setProgress(int progress) {
int oldProgress = progress;
this.progress = progress;
firePropertyChange(PROGRESS, oldProgress, progress);
}
public int getProgress() {
return progress;
}
}
public class SomeWorker extends SwingWorker implements PropertyChangeListener {
public void doInBackground() {
ProcessStatus status = new ProcessStatus();
status.addPropertyChangeListener(this);
ProcessorThingy processor = new ProcessorThingy(status);
processor.doStuff();
}
public void propertyChange(PropertyChangeEvent evt) {
if (evt.getPropertyName().equals(ProcessStatus.PROGRESS)) {
publish((Integer) evt.getNewValue());
}
}
}
public class ProcessorThingy {
private ProcessStatus status;
public ProcessorThingy(ProcessStatus status) {
this.status = status;
}
public void doStuff() {
//stuff part 1
status.setProgress(10);
//stuff part 2
status.setProgress(50);
//stuff part 3
status.setProgress(100);
}
}
Thread.currentThread().getName()
应该返回类似于SwingWorker-pool-2-Thread-2
?您试图实现什么?(与您已经解释过的“您正在尝试做什么?”相反)尝试实现-SwingWorker正在执行一个长时间运行的流程,我想估计已完成工作的百分比,并将其应用于SwingWorker progress()/publish(),因为代码在SwingWorker
内部运行,此
保存当前的SwingWorker实例
“由于代码在SwingWorker内部运行,因此它保存当前的SwingWorker实例”-如何从“this”获取SwingWorker实例?我现在做的是使用全局可访问的映射将线程链接到SwingWorker,因此,任何需要SwingWorker的代码都可以使用SwingWorker sw=globallyAccessibleMap.get(Thread.currentThread());我的直觉告诉我这是个坏主意,但我看不到你所有的代码,所以我可能错了。