org.apache.hawq.pxf.service.io

Interface Writable

All Known Implementing Classes:

BufferWritable, GPDBWritable, Text

public interface Writable

A serializable object which implements a simple, efficient, serialization protocol, based on DataInput and DataOutput.

Method Summary

Modifier and Type	Method and Description
void	readFields(java.io.DataInput in) Deserialize the fields of this object from in.
void	write(java.io.DataOutput out) Serialize the fields of this object to out.

Method Detail

write

void write(java.io.DataOutput out)
    throws java.io.IOException

Serialize the fields of this object to out.

Parameters:

out - DataOutput to serialize this object into.

Throws:

java.io.IOException - if I/O error occurs

readFields

void readFields(java.io.DataInput in)
         throws java.io.IOException

Deserialize the fields of this object from in.

For efficiency, implementations should attempt to re-use storage in the existing object where possible.

Parameters:

in - DataInput to deserialize this object from.

Throws:

java.io.IOException - if I/O error occurs