Package org.apache.hadoop.io.wrappedio

@Public @Evolving package org.apache.hadoop.io.wrappedio

Support for dynamic access to filesystem operations which are not available in older hadoop releases.

Classes in this package tagged as @InterfaceAudience#Public export methods to be loaded by reflection by other applications/libraries. Tests against these SHOULD use reflection themselves so as to guarantee stability of reflection-based access.

Classes tagged as private/limited private are for support and testing.

Related Packages

Package	Description
org.apache.hadoop.io	Generic i/o code for use when reading and writing data to the network, to databases, and to files.
org.apache.hadoop.io.compress
org.apache.hadoop.io.erasurecode
org.apache.hadoop.io.serializer	This package provides a mechanism for using different serialization frameworks in Hadoop.

Classes

Class	Description
WrappedIO	Reflection-friendly access to APIs which are not available in some of the older Hadoop versions which libraries still compile against.
WrappedStatistics	Reflection-friendly access to IOStatistics APIs.