Package io.cdap.common.internal.io

Common IO classes.

See: Description

Interface Summary

Interface	Description
DatumReader<T>	Represents reader for decoding object.
DatumReaderFactory	Factory for creating instance of DatumReader.
DatumWriter<T>	Represents writer for encoding object.
DatumWriterFactory	Factory for creating DatumWriter.
FieldAccessor
FieldAccessorFactory
SchemaGenerator	Interface for generating data Schema.

Class Summary

Class	Description
AbstractFieldAccessor	A base implementation of FieldAccessor that throws UnsupportedOperationException for all getter/setter methods, which are meant to be overridden by children class.
AbstractSchemaGenerator	An abstract base class for generating schema.
ASMDatumWriterFactory	A factory class for creating DatumWriter instance for different data type and schema.
ASMFieldAccessorFactory	A FieldAccessorFactory that uses ASM to generate a specific FieldAccessor class for each field.
ReflectionDatumReader<T>	Reflection based Datnum Reader.
ReflectionDatumReaderFactory	A DatumReaderFactory that creates ReflectionDatumReader.
ReflectionDatumWriter<T>	A DatumWriter that uses java reflection to encode data.
ReflectionFieldAccessorFactory
ReflectionSchemaGenerator	This class uses Java Reflection to inspect fields in any Java class to generate RECORD schema.
Schema	This class represents schema of data types.
Schema.Field	Represents a field inside a Schema.Type.RECORD schema.
SchemaHash
SchemaTypeAdapter	Class for serialize/deserialize Schema object to/from json through Gson.
TypeRepresentation	Helper class to represent a type parameter in a serializable form.

Enum Summary

Enum	Description
Schema.Type	Types known to Schema.

Exception Summary

Exception	Description
UnsupportedTypeException	Exception to indicate a given type is not supported.

Package io.cdap.common.internal.io Description

Common IO classes.