org.apache.flink.util

Class FlinkUserCodeClassLoaders

java.lang.Object

org.apache.flink.util.FlinkUserCodeClassLoaders

@Internal
public class FlinkUserCodeClassLoaders
extends Object

Gives the URLClassLoader a nicer name for debugging purposes.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	FlinkUserCodeClassLoaders.ParentFirstClassLoader Regular URLClassLoader that first loads from the parent and only after that from the URLs.
static class	FlinkUserCodeClassLoaders.ResolveOrder Class resolution order for Flink URL ClassLoader.
static class	FlinkUserCodeClassLoaders.SafetyNetWrapperClassLoader Ensures that holding a reference on the context class loader outliving the scope of user code does not prevent the user classloader to be garbage collected (FLINK-16245).

Method Summary

Modifier and Type	Method and Description
static MutableURLClassLoader	childFirst(URL[] urls, ClassLoader parent, String[] alwaysParentFirstPatterns, Consumer<Throwable> classLoadingExceptionHandler, boolean checkClassLoaderLeak)
static MutableURLClassLoader	create(FlinkUserCodeClassLoaders.ResolveOrder resolveOrder, URL[] urls, ClassLoader parent, String[] alwaysParentFirstPatterns, Consumer<Throwable> classLoadingExceptionHandler, boolean checkClassLoaderLeak)
static MutableURLClassLoader	create(URL[] urls, ClassLoader parent, ReadableConfig config)
static MutableURLClassLoader	parentFirst(URL[] urls, ClassLoader parent, Consumer<Throwable> classLoadingExceptionHandler, boolean checkClassLoaderLeak)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

parentFirst

public static MutableURLClassLoader parentFirst(URL[] urls,
                                                ClassLoader parent,
                                                Consumer<Throwable> classLoadingExceptionHandler,
                                                boolean checkClassLoaderLeak)

childFirst

public static MutableURLClassLoader childFirst(URL[] urls,
                                               ClassLoader parent,
                                               String[] alwaysParentFirstPatterns,
                                               Consumer<Throwable> classLoadingExceptionHandler,
                                               boolean checkClassLoaderLeak)

create

public static MutableURLClassLoader create(URL[] urls,
                                           ClassLoader parent,
                                           ReadableConfig config)

create

public static MutableURLClassLoader create(FlinkUserCodeClassLoaders.ResolveOrder resolveOrder,
                                           URL[] urls,
                                           ClassLoader parent,
                                           String[] alwaysParentFirstPatterns,
                                           Consumer<Throwable> classLoadingExceptionHandler,
                                           boolean checkClassLoaderLeak)