org.apache.hadoop.hive.ql.hooks
Class HookUtils

java.lang.Object
  org.apache.hadoop.hive.ql.hooks.HookUtils

public class HookUtils
extends Object

Constructor Summary

HookUtils()

Method Summary

static <T extends Hook> List<T>

getHooks(HiveConf conf, HiveConf.ConfVars hookConfVar, Class<T> clazz) Returns the hooks specified in a configuration variable.

Methods inherited from class java.lang.Object

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

Constructor Detail

HookUtils

public HookUtils()

Method Detail

getHooks

public static <T extends Hook> List<T> getHooks(HiveConf conf,
                                                HiveConf.ConfVars hookConfVar,
                                                Class<T> clazz)
                                     throws InstantiationException,
                                            IllegalAccessException,
                                            ClassNotFoundException

Returns the hooks specified in a configuration variable. The hooks are returned in a list in the order they were specified in the configuration variable.

Parameters:

conf - Configuration object

hookConfVar - The configuration variable specifying a comma separated list of the hook class names.

clazz - The super type of the hooks.

Returns:

A list of the hooks cast as the type specified in clazz, in the order they are listed in the value of hookConfVar

Throws:

ClassNotFoundException

IllegalAccessException

InstantiationException