org.apache.hadoop.hive.ql.hooks

Class HookUtils

java.lang.Object

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

public class HookUtils
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
HookUtils()

Method Summary

Modifier and Type	Method and Description
static <T extends Hook> java.util.List<T>	getHooks(HiveConf conf, HiveConf.ConfVars hookConfVar, java.lang.Class<T> clazz) Returns the hooks specified in a configuration variable.

Methods inherited from class java.lang.Object

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

Constructor Detail

HookUtils

public HookUtils()

Method Detail

getHooks

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

java.lang.ClassNotFoundException

java.lang.IllegalAccessException

java.lang.InstantiationException