org.terrier.utility.io
Interfaces 
FileSystem
RandomDataInput
RandomDataOutput
Classes 
CountingInputStream
HadoopPlugin
HadoopPlugin.JobFactory
HadoopUtility
HadoopUtility.MapBase
HadoopUtility.MapReduceBase
HadoopUtility.ReduceBase
HTTPFileSystem
LocalFileSystem
LocalFileSystem.LocalRandomAccessFile
RandomDataInputMemory
Exceptions 
WrappedIOException