Package org.powermock.classloading
Interface ClassloaderExecutor
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- All Known Implementing Classes:
AbstractClassloaderExecutor
,SingleClassloaderExecutor
public interface ClassloaderExecutor
A ClassLoaderExecutor can run any code in any classloader. E.g. assume you have a classloader called myClassloader and you want to execute a (void) method called myMethod in myObject using this CL:SingleClassloaderExecutor cle = new SingleClassloaderExecutor(myClassloader); cle.execute(new Runnable() { public void run() { myObject.myMethod(); } });
What happens is that the entire object graph of myObject is deep-cloned into themyClassloader
classloader and then themyObject.myMethod()
is executed.You can also execute methods that return something:
SingleClassloaderExecutor cle = new SingleClassloaderExecutor(myClassloader); MyResult result = cle.execute(new Callable
Here we imagine that() { public MyResult call() throws Exception { return myObject.myMethod(); } }); myObject.myMethod()
returns an object of typeMyResult
. Again the entire state will be deep-cloned tomyClassloader
and then themyObject.myMethod()
is executed. The result of the method call is deep-cloned back into the original classloader (the one that made the call tocle.execute(..)
) and is ready for use.Note that the SingleClassloaderExecutor requires a deep cloner implementing the
DeepClonerSPI
present in the class-path.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description void
execute(java.lang.Runnable runnable)
<T> T
execute(java.util.concurrent.Callable<T> callable)
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