org.apache.hadoop.hive.metastore.ldap

Class ChainFilterFactory

java.lang.Object

org.apache.hadoop.hive.metastore.ldap.ChainFilterFactory

All Implemented Interfaces:

FilterFactory

public class ChainFilterFactory
extends Object
implements FilterFactory

A factory that produces a Filter that is implemented as a chain of other filters. The chain of filters are created as a result of getInstance(org.apache.hadoop.conf.Configuration) method call. The resulting object filters out all users that don't pass all chained filters. The filters will be applied in the order they are mentioned in the factory constructor.

Constructor Summary

Constructors

Constructor and Description
ChainFilterFactory(FilterFactory... factories) Constructs a factory for a chain of filters.

Method Summary

Modifier and Type	Method and Description
Filter	getInstance(org.apache.hadoop.conf.Configuration conf) Returns an instance of the corresponding filter.

Methods inherited from class java.lang.Object

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

Constructor Detail

ChainFilterFactory

public ChainFilterFactory(FilterFactory... factories)

Constructs a factory for a chain of filters.

Parameters:

factories - The array of factories that will be used to construct a chain of filters.

Method Detail

getInstance

public Filter getInstance(org.apache.hadoop.conf.Configuration conf)

Returns an instance of the corresponding filter.

Specified by:

getInstance in interface FilterFactory

Parameters:

conf - Hive properties used to configure the filter.

Returns:

the filter or null if this filter doesn't support provided set of properties