| 
Class Summary | 
| FieldTypeInfo | 
Represents a type information for a field, which is made up of its 
 ID (name) and its type (a TypeID object). | 
| MapTypeID | 
Represents typeID for a Map | 
| RecordTypeInfo | 
A record's Type Information object which can read/write itself. | 
| StructTypeID | 
Represents typeID for a struct | 
| TypeID | 
Represents typeID for basic types. | 
| TypeID.RIOType | 
constants representing the IDL types we support | 
| Utils | 
Various utility functions for Hadooop record I/O platform. | 
| VectorTypeID | 
Represents typeID for vector. |