com.facebook.drift.codec.internal

Class EnumThriftCodec<T extends Enum<T>>

java.lang.Object

com.facebook.drift.codec.internal.EnumThriftCodec<T>

All Implemented Interfaces:

ThriftCodec<T>

@Immutable
public class EnumThriftCodec<T extends Enum<T>>
extends Object
implements ThriftCodec<T>

EnumThriftCodec is a codec for Java enum types. An enum is encoded as an I32 in Thrift, and this class handles converting this vale to a Java enum constant.

Constructor Summary

Constructors

Constructor and Description
EnumThriftCodec(ThriftType type)

Method Summary

Modifier and Type	Method and Description
ThriftType	getType() The Thrift type this codec supports.
T	read(TProtocolReader protocol) Reads a value from supplied Thrift protocol reader.
void	write(T enumConstant, TProtocolWriter protocol) Writes a value to the supplied Thrift protocol writer.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.facebook.drift.codec.ThriftCodec

isNull

Constructor Detail

EnumThriftCodec

public EnumThriftCodec(ThriftType type)

Method Detail

getType

public ThriftType getType()

Description copied from interface: ThriftCodec

The Thrift type this codec supports. The Thrift type contains the Java generic Type of the codec.

Specified by:

getType in interface ThriftCodec<T extends Enum<T>>

read

public T read(TProtocolReader protocol)
       throws Exception

Description copied from interface: ThriftCodec

Reads a value from supplied Thrift protocol reader.

Specified by:

read in interface ThriftCodec<T extends Enum<T>>

Parameters:

protocol - the protocol to read from

Returns:

the value; not null

Throws:

Exception - if any problems occurred when reading or coercing the value

write

public void write(T enumConstant,
                  TProtocolWriter protocol)
           throws Exception

Description copied from interface: ThriftCodec

Writes a value to the supplied Thrift protocol writer.

Specified by:

write in interface ThriftCodec<T extends Enum<T>>

Parameters:

enumConstant - the value to write; not null

protocol - the protocol to write to

Throws:

Exception - if any problems occurred when writing or coercing the value