Package org.apache.hadoop.util.dynamic

Class DynMethods

java.lang.Object

org.apache.hadoop.util.dynamic.DynMethods

@LimitedPrivate("testing")
@Unstable
public final class DynMethods
extends java.lang.Object

Dynamic method invocation. Taken from org.apache.parquet.util.DynMethods.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	DynMethods.BoundMethod
static class	DynMethods.Builder
static class	DynMethods.StaticMethod
static class	DynMethods.UnboundMethod	Convenience wrapper class around Method.

Method Summary

Modifier and Type	Method	Description
static <E extends java.lang.Exception> void	throwIfInstance(java.lang.Throwable t, java.lang.Class<E> excClass)	If the given throwable is an instance of E, throw it as an E.

Methods inherited from class java.lang.Object

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

Method Detail

throwIfInstance

public static <E extends java.lang.Exception> void throwIfInstance(java.lang.Throwable t,
                                                                   java.lang.Class<E> excClass)
                                                            throws E extends java.lang.Exception

If the given throwable is an instance of E, throw it as an E.

Type Parameters:

E - the type of exception that will be thrown if throwable is an instance

Parameters:

t - an exception instance

excClass - an exception class t may be an instance of

Throws:

E - if t is an instance of E

E extends java.lang.Exception