com.cloudera.crunch.type.avro
Class AvroType<T>

java.lang.Object
  com.cloudera.crunch.type.avro.AvroType<T>

All Implemented Interfaces:

PType<T>

Direct Known Subclasses:

AvroTableType

public class AvroType<T>
extends Object
implements PType<T>

The implementation of the PType interface for Avro-based serialization.

Constructor Summary

AvroType(Class<T> typeClass, org.apache.avro.Schema schema, MapFn inputMapFn, MapFn outputMapFn, PType... ptypes)

AvroType(Class<T> typeClass, org.apache.avro.Schema schema, PType... ptypes)

Method Summary

boolean	equals(Object other)
Converter	getConverter()
SourceTarget<T>	getDefaultFileSource(org.apache.hadoop.fs.Path path) Returns a SourceTarget that is able to read/write data using the serialization format specified by this PType.
PTypeFamily	getFamily() Returns the PTypeFamily that this PType belongs to.
MapFn<Object,T>	getInputMapFn()
MapFn<T,Object>	getOutputMapFn()
org.apache.avro.Schema	getSchema()
List<PType>	getSubTypes() Returns the sub-types that make up this PType if it is a composite instance, such as a tuple.
Class<T>	getTypeClass() Returns the Java type represented by this PType.
int	hashCode()
boolean	isSpecific() Determine if the wrapped type is a specific or generic avro type.

Methods inherited from class java.lang.Object

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

Constructor Detail

AvroType

public AvroType(Class<T> typeClass,
                org.apache.avro.Schema schema,
                PType... ptypes)

AvroType

public AvroType(Class<T> typeClass,
                org.apache.avro.Schema schema,
                MapFn inputMapFn,
                MapFn outputMapFn,
                PType... ptypes)

Method Detail

getTypeClass

public Class<T> getTypeClass()

Description copied from interface: PType

Returns the Java type represented by this PType.

Specified by:

getTypeClass in interface PType<T>

getFamily

public PTypeFamily getFamily()

Description copied from interface: PType

Returns the PTypeFamily that this PType belongs to.

Specified by:

getFamily in interface PType<T>

getSubTypes

public List<PType> getSubTypes()

Description copied from interface: PType

Returns the sub-types that make up this PType if it is a composite instance, such as a tuple.

Specified by:

getSubTypes in interface PType<T>

getSchema

public org.apache.avro.Schema getSchema()

isSpecific

public boolean isSpecific()

Determine if the wrapped type is a specific or generic avro type.

Returns:

true if the wrapped type is a specific data type

getInputMapFn

public MapFn<Object,T> getInputMapFn()

Specified by:

getInputMapFn in interface PType<T>

getOutputMapFn

public MapFn<T,Object> getOutputMapFn()

Specified by:

getOutputMapFn in interface PType<T>

getConverter

public Converter getConverter()

Specified by:

getConverter in interface PType<T>

getDefaultFileSource

public SourceTarget<T> getDefaultFileSource(org.apache.hadoop.fs.Path path)

Description copied from interface: PType

Returns a SourceTarget that is able to read/write data using the serialization format specified by this PType.

Specified by:

getDefaultFileSource in interface PType<T>

equals

public boolean equals(Object other)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object