org.apache.lens.server.api.util

Class LensUtil

java.lang.Object

org.apache.lens.server.api.util.LensUtil

public final class LensUtil
extends Object

Utility methods for Lens

Method Summary

Methods

Modifier and Type	Method and Description
static String	getCauseMessage(Throwable e) Get the message corresponding to base cause.
static <T> T	getImplementation(String factoryName, org.apache.hadoop.conf.Configuration conf)
static <T> com.google.common.collect.ImmutableSet<T>	getImplementations(String factoriesKey, org.apache.hadoop.conf.Configuration conf)

Methods inherited from class java.lang.Object

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

Method Detail

getCauseMessage

public static String getCauseMessage(Throwable e)

Get the message corresponding to base cause. If no cause is available or no message is available parent's message is returned.

Parameters:

e -

Returns:

message

getImplementations

public static <T> com.google.common.collect.ImmutableSet<T> getImplementations(String factoriesKey,
                                                               org.apache.hadoop.conf.Configuration conf)

getImplementation

public static <T> T getImplementation(String factoryName,
                      org.apache.hadoop.conf.Configuration conf)